diff options
58 files changed, 1356 insertions, 248 deletions
diff --git a/Documentation/devicetree/bindings/clock/amlogic,gxbb-clkc.txt b/Documentation/devicetree/bindings/clock/amlogic,gxbb-clkc.txt index 924040769186..e2b377ed6f91 100644 --- a/Documentation/devicetree/bindings/clock/amlogic,gxbb-clkc.txt +++ b/Documentation/devicetree/bindings/clock/amlogic,gxbb-clkc.txt @@ -5,8 +5,11 @@ controllers within the SoC. Required Properties: -- compatible: should be "amlogic,gxbb-clkc" for GXBB SoC, - or "amlogic,gxl-clkc" for GXL and GXM SoC. +- compatible: should be: + "amlogic,gxbb-clkc" for GXBB SoC, + "amlogic,gxl-clkc" for GXL and GXM SoC, + "amlogic,axg-clkc" for AXG SoC. + - reg: physical base address of the clock controller and length of memory mapped region. diff --git a/arch/alpha/include/asm/Kbuild b/arch/alpha/include/asm/Kbuild index 47f3fba3e41f..9b68790013e2 100644 --- a/arch/alpha/include/asm/Kbuild +++ b/arch/alpha/include/asm/Kbuild @@ -1,7 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 -generic-y += clkdev.h generic-y += exec.h generic-y += export.h generic-y += fb.h diff --git a/arch/arc/include/asm/Kbuild b/arch/arc/include/asm/Kbuild index cd8398daccee..4bd5d4369e05 100644 --- a/arch/arc/include/asm/Kbuild +++ b/arch/arc/include/asm/Kbuild @@ -1,6 +1,5 @@ # SPDX-License-Identifier: GPL-2.0 generic-y += bugs.h -generic-y += clkdev.h generic-y += device.h generic-y += div64.h generic-y += emergency-restart.h diff --git a/arch/arm/include/asm/Kbuild b/arch/arm/include/asm/Kbuild index 0f2c8a2a8131..873e3c189279 100644 --- a/arch/arm/include/asm/Kbuild +++ b/arch/arm/include/asm/Kbuild @@ -1,4 +1,3 @@ -generic-y += clkdev.h generic-y += current.h generic-y += early_ioremap.h generic-y += emergency-restart.h diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms index 2401373565ff..fbedbd8f619a 100644 --- a/arch/arm64/Kconfig.platforms +++ b/arch/arm64/Kconfig.platforms @@ -105,6 +105,7 @@ config ARCH_MESON select PINCTRL_MESON select COMMON_CLK_AMLOGIC select COMMON_CLK_GXBB + select COMMON_CLK_AXG select MESON_IRQ_GPIO help This enables support for the Amlogic S905 SoCs. diff --git a/arch/arm64/include/asm/Kbuild b/arch/arm64/include/asm/Kbuild index e63d0a8312de..3a9b84d39d71 100644 --- a/arch/arm64/include/asm/Kbuild +++ b/arch/arm64/include/asm/Kbuild @@ -1,5 +1,4 @@ generic-y += bugs.h -generic-y += clkdev.h generic-y += delay.h generic-y += div64.h generic-y += dma.h diff --git a/arch/blackfin/include/asm/clkdev.h b/arch/blackfin/include/asm/clkdev.h deleted file mode 100644 index ded0209348c7..000000000000 --- a/arch/blackfin/include/asm/clkdev.h +++ /dev/null @@ -1,17 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef __ASM_CLKDEV__H_ -#define __ASM_CLKDEV__H_ - -#include <linux/slab.h> - -static inline struct clk_lookup_alloc *__clkdev_alloc(size_t size) -{ - return kzalloc(size, GFP_KERNEL); -} - -#ifndef CONFIG_COMMON_CLK -#define __clk_put(clk) -#define __clk_get(clk) ({ 1; }) -#endif - -#endif diff --git a/arch/c6x/include/asm/Kbuild b/arch/c6x/include/asm/Kbuild index d717329c8cf9..fd4c840de837 100644 --- a/arch/c6x/include/asm/Kbuild +++ b/arch/c6x/include/asm/Kbuild @@ -1,7 +1,6 @@ generic-y += atomic.h generic-y += barrier.h generic-y += bugs.h -generic-y += clkdev.h generic-y += current.h generic-y += device.h generic-y += div64.h diff --git a/arch/cris/include/asm/Kbuild b/arch/cris/include/asm/Kbuild index 460349cb147f..6c14021d0f89 100644 --- a/arch/cris/include/asm/Kbuild +++ b/arch/cris/include/asm/Kbuild @@ -1,6 +1,5 @@ generic-y += atomic.h generic-y += barrier.h -generic-y += clkdev.h generic-y += cmpxchg.h generic-y += current.h generic-y += device.h diff --git a/arch/frv/include/asm/Kbuild b/arch/frv/include/asm/Kbuild index 2cf7648787b2..b16b9c48ea09 100644 --- a/arch/frv/include/asm/Kbuild +++ b/arch/frv/include/asm/Kbuild @@ -1,5 +1,4 @@ -generic-y += clkdev.h generic-y += device.h generic-y += exec.h generic-y += extable.h diff --git a/arch/h8300/include/asm/Kbuild b/arch/h8300/include/asm/Kbuild index bc077491d299..bdd7776c8d91 100644 --- a/arch/h8300/include/asm/Kbuild +++ b/arch/h8300/include/asm/Kbuild @@ -3,7 +3,6 @@ generic-y += barrier.h generic-y += bugs.h generic-y += cacheflush.h generic-y += checksum.h -generic-y += clkdev.h generic-y += current.h generic-y += delay.h generic-y += device.h diff --git a/arch/hexagon/include/asm/Kbuild b/arch/hexagon/include/asm/Kbuild index 4a23e527d651..e9743f689fb8 100644 --- a/arch/hexagon/include/asm/Kbuild +++ b/arch/hexagon/include/asm/Kbuild @@ -2,7 +2,6 @@ generic-y += barrier.h generic-y += bug.h generic-y += bugs.h -generic-y += clkdev.h generic-y += current.h generic-y += device.h generic-y += div64.h diff --git a/arch/ia64/include/asm/Kbuild b/arch/ia64/include/asm/Kbuild index 1d7641f891e1..6dd867873364 100644 --- a/arch/ia64/include/asm/Kbuild +++ b/arch/ia64/include/asm/Kbuild @@ -1,4 +1,3 @@ -generic-y += clkdev.h generic-y += exec.h generic-y += irq_work.h generic-y += mcs_spinlock.h diff --git a/arch/m32r/include/asm/Kbuild b/arch/m32r/include/asm/Kbuild index 7e11b125c35e..f1b50129150b 100644 --- a/arch/m32r/include/asm/Kbuild +++ b/arch/m32r/include/asm/Kbuild @@ -1,4 +1,3 @@ -generic-y += clkdev.h generic-y += current.h generic-y += exec.h generic-y += extable.h diff --git a/arch/m68k/include/asm/Kbuild b/arch/m68k/include/asm/Kbuild index 59d6d0d38f67..88a9d27df1ac 100644 --- a/arch/m68k/include/asm/Kbuild +++ b/arch/m68k/include/asm/Kbuild @@ -1,5 +1,4 @@ generic-y += barrier.h -generic-y += clkdev.h generic-y += device.h generic-y += emergency-restart.h generic-y += exec.h diff --git a/arch/metag/include/asm/Kbuild b/arch/metag/include/asm/Kbuild index 3fba97ed9bb2..913c779979df 100644 --- a/arch/metag/include/asm/Kbuild +++ b/arch/metag/include/asm/Kbuild @@ -1,5 +1,4 @@ generic-y += bugs.h -generic-y += clkdev.h generic-y += current.h generic-y += device.h generic-y += dma.h diff --git a/arch/microblaze/include/asm/Kbuild b/arch/microblaze/include/asm/Kbuild index 9d66f7793841..3c80a5a308ed 100644 --- a/arch/microblaze/include/asm/Kbuild +++ b/arch/microblaze/include/asm/Kbuild @@ -2,7 +2,6 @@ generic-y += barrier.h generic-y += bitops.h generic-y += bug.h generic-y += bugs.h -generic-y += clkdev.h generic-y += device.h generic-y += div64.h generic-y += emergency-restart.h diff --git a/arch/mips/include/asm/Kbuild b/arch/mips/include/asm/Kbuild index 7c8aab23bce8..2f9e2b53a085 100644 --- a/arch/mips/include/asm/Kbuild +++ b/arch/mips/include/asm/Kbuild @@ -1,6 +1,5 @@ # MIPS headers generic-(CONFIG_GENERIC_CSUM) += checksum.h -generic-y += clkdev.h generic-y += current.h generic-y += dma-contiguous.h generic-y += emergency-restart.h diff --git a/arch/mn10300/include/asm/Kbuild b/arch/mn10300/include/asm/Kbuild index db5b57829a81..509c45a75d1f 100644 --- a/arch/mn10300/include/asm/Kbuild +++ b/arch/mn10300/include/asm/Kbuild @@ -1,6 +1,5 @@ generic-y += barrier.h -generic-y += clkdev.h generic-y += device.h generic-y += exec.h generic-y += extable.h diff --git a/arch/nios2/include/asm/Kbuild b/arch/nios2/include/asm/Kbuild index 896c26ae0da9..d232da2cbb38 100644 --- a/arch/nios2/include/asm/Kbuild +++ b/arch/nios2/include/asm/Kbuild @@ -3,7 +3,6 @@ generic-y += barrier.h generic-y += bitops.h generic-y += bug.h generic-y += bugs.h -generic-y += clkdev.h generic-y += cmpxchg.h generic-y += current.h generic-y += device.h diff --git a/arch/openrisc/include/asm/Kbuild b/arch/openrisc/include/asm/Kbuild index 6eb16719549e..f05c722a21f8 100644 --- a/arch/openrisc/include/asm/Kbuild +++ b/arch/openrisc/include/asm/Kbuild @@ -2,7 +2,6 @@ generic-y += barrier.h generic-y += bug.h generic-y += bugs.h generic-y += checksum.h -generic-y += clkdev.h generic-y += current.h generic-y += device.h generic-y += div64.h diff --git a/arch/parisc/include/asm/Kbuild b/arch/parisc/include/asm/Kbuild index a41139575ab4..2013d639e735 100644 --- a/arch/parisc/include/asm/Kbuild +++ b/arch/parisc/include/asm/Kbuild @@ -1,5 +1,4 @@ generic-y += barrier.h -generic-y += clkdev.h generic-y += current.h generic-y += device.h generic-y += div64.h diff --git a/arch/powerpc/include/asm/Kbuild b/arch/powerpc/include/asm/Kbuild index 2542ea15d338..3196d227e351 100644 --- a/arch/powerpc/include/asm/Kbuild +++ b/arch/powerpc/include/asm/Kbuild @@ -1,4 +1,3 @@ -generic-y += clkdev.h generic-y += div64.h generic-y += export.h generic-y += irq_regs.h diff --git a/arch/riscv/include/asm/Kbuild b/arch/riscv/include/asm/Kbuild index 18158be62a2b..04846be29947 100644 --- a/arch/riscv/include/asm/Kbuild +++ b/arch/riscv/include/asm/Kbuild @@ -1,7 +1,6 @@ generic-y += bugs.h generic-y += cacheflush.h generic-y += checksum.h -generic-y += clkdev.h generic-y += cputime.h generic-y += device.h generic-y += div64.h diff --git a/arch/s390/include/asm/Kbuild b/arch/s390/include/asm/Kbuild index 41c211a4d8b1..d0abf0bac21b 100644 --- a/arch/s390/include/asm/Kbuild +++ b/arch/s390/include/asm/Kbuild @@ -1,6 +1,5 @@ generic-y += asm-offsets.h generic-y += cacheflush.h -generic-y += clkdev.h generic-y += device.h generic-y += dma-contiguous.h generic-y += div64.h diff --git a/arch/score/include/asm/Kbuild b/arch/score/include/asm/Kbuild index 54b3b2039af1..1a0ee72f6a7c 100644 --- a/arch/score/include/asm/Kbuild +++ b/arch/score/include/asm/Kbuild @@ -1,5 +1,4 @@ generic-y += barrier.h -generic-y += clkdev.h generic-y += current.h generic-y += extable.h generic-y += irq_work.h diff --git a/arch/sh/include/asm/Kbuild b/arch/sh/include/asm/Kbuild index 1a6f9c39feef..1efcce74997b 100644 --- a/arch/sh/include/asm/Kbuild +++ b/arch/sh/include/asm/Kbuild @@ -1,4 +1,3 @@ -generic-y += clkdev.h generic-y += current.h generic-y += delay.h generic-y += div64.h diff --git a/arch/sparc/include/asm/Kbuild b/arch/sparc/include/asm/Kbuild index 80ddc01f57ac..ac67828da201 100644 --- a/arch/sparc/include/asm/Kbuild +++ b/arch/sparc/include/asm/Kbuild @@ -1,7 +1,6 @@ # User exported sparc header files -generic-y += clkdev.h generic-y += div64.h generic-y += emergency-restart.h generic-y += exec.h diff --git a/arch/tile/include/asm/Kbuild b/arch/tile/include/asm/Kbuild index d28d2b8932c7..414dfc3a1808 100644 --- a/arch/tile/include/asm/Kbuild +++ b/arch/tile/include/asm/Kbuild @@ -1,6 +1,5 @@ generic-y += bug.h generic-y += bugs.h -generic-y += clkdev.h generic-y += emergency-restart.h generic-y += exec.h generic-y += extable.h diff --git a/arch/um/include/asm/Kbuild b/arch/um/include/asm/Kbuild index 50a32c33d729..ca536a38486f 100644 --- a/arch/um/include/asm/Kbuild +++ b/arch/um/include/asm/Kbuild @@ -1,6 +1,5 @@ generic-y += barrier.h generic-y += bug.h -generic-y += clkdev.h generic-y += current.h generic-y += delay.h generic-y += device.h diff --git a/arch/unicore32/include/asm/Kbuild b/arch/unicore32/include/asm/Kbuild index fda7e2153086..6f70c76c81fc 100644 --- a/arch/unicore32/include/asm/Kbuild +++ b/arch/unicore32/include/asm/Kbuild @@ -1,6 +1,5 @@ generic-y += atomic.h generic-y += bugs.h -generic-y += clkdev.h generic-y += current.h generic-y += device.h generic-y += div64.h diff --git a/arch/x86/include/asm/Kbuild b/arch/x86/include/asm/Kbuild index 5d6a53fd7521..de690c2d2e33 100644 --- a/arch/x86/include/asm/Kbuild +++ b/arch/x86/include/asm/Kbuild @@ -6,7 +6,6 @@ generated-y += unistd_32_ia32.h generated-y += unistd_64_x32.h generated-y += xen-hypercalls.h -generic-y += clkdev.h generic-y += dma-contiguous.h generic-y += early_ioremap.h generic-y += mcs_spinlock.h diff --git a/arch/xtensa/include/asm/Kbuild b/arch/xtensa/include/asm/Kbuild index dff7cc39437c..436b20337168 100644 --- a/arch/xtensa/include/asm/Kbuild +++ b/arch/xtensa/include/asm/Kbuild @@ -1,5 +1,4 @@ generic-y += bug.h -generic-y += clkdev.h generic-y += device.h generic-y += div64.h generic-y += dma-contiguous.h diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index 5ec580914089..32867dda6c1c 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -24,6 +24,7 @@ #include <linux/pm_runtime.h> #include <linux/sched.h> #include <linux/clkdev.h> +#include <linux/stringify.h> #include "clk.h" @@ -2559,6 +2560,58 @@ static const struct file_operations clk_dump_fops = { .release = single_release, }; +static const struct { + unsigned long flag; + const char *name; +} clk_flags[] = { +#define ENTRY(f) { f, __stringify(f) } + ENTRY(CLK_SET_RATE_GATE), + ENTRY(CLK_SET_PARENT_GATE), + ENTRY(CLK_SET_RATE_PARENT), + ENTRY(CLK_IGNORE_UNUSED), + ENTRY(CLK_IS_BASIC), + ENTRY(CLK_GET_RATE_NOCACHE), + ENTRY(CLK_SET_RATE_NO_REPARENT), + ENTRY(CLK_GET_ACCURACY_NOCACHE), + ENTRY(CLK_RECALC_NEW_RATES), + ENTRY(CLK_SET_RATE_UNGATE), + ENTRY(CLK_IS_CRITICAL), + ENTRY(CLK_OPS_PARENT_ENABLE), +#undef ENTRY +}; + +static int clk_flags_dump(struct seq_file *s, void *data) +{ + struct clk_core *core = s->private; + unsigned long flags = core->flags; + unsigned int i; + + for (i = 0; flags && i < ARRAY_SIZE(clk_flags); i++) { + if (flags & clk_flags[i].flag) { + seq_printf(s, "%s\n", clk_flags[i].name); + flags &= ~clk_flags[i].flag; + } + } + if (flags) { + /* Unknown flags */ + seq_printf(s, "0x%lx\n", flags); + } + + return 0; +} + +static int clk_flags_open(struct inode *inode, struct file *file) +{ + return single_open(file, clk_flags_dump, inode->i_private); +} + +static const struct file_operations clk_flags_fops = { + .open = clk_flags_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + static int possible_parents_dump(struct seq_file *s, void *data) { struct clk_core *core = s->private; @@ -2600,48 +2653,46 @@ static int clk_debug_create_one(struct clk_core *core, struct dentry *pdentry) core->dentry = d; - d = debugfs_create_u32("clk_rate", S_IRUGO, core->dentry, - (u32 *)&core->rate); + d = debugfs_create_ulong("clk_rate", 0444, core->dentry, &core->rate); if (!d) goto err_out; - d = debugfs_create_u32("clk_accuracy", S_IRUGO, core->dentry, - (u32 *)&core->accuracy); + d = debugfs_create_ulong("clk_accuracy", 0444, core->dentry, + &core->accuracy); if (!d) goto err_out; - d = debugfs_create_u32("clk_phase", S_IRUGO, core->dentry, - (u32 *)&core->phase); + d = debugfs_create_u32("clk_phase", 0444, core->dentry, &core->phase); if (!d) goto err_out; - d = debugfs_create_x32("clk_flags", S_IRUGO, core->dentry, - (u32 *)&core->flags); + d = debugfs_create_file("clk_flags", 0444, core->dentry, core, + &clk_flags_fops); if (!d) goto err_out; - d = debugfs_create_u32("clk_prepare_count", S_IRUGO, core->dentry, - (u32 *)&core->prepare_count); + d = debugfs_create_u32("clk_prepare_count", 0444, core->dentry, + &core->prepare_count); if (!d) goto err_out; - d = debugfs_create_u32("clk_enable_count", S_IRUGO, core->dentry, - (u32 *)&core->enable_count); + d = debugfs_create_u32("clk_enable_count", 0444, core->dentry, + &core->enable_count); if (!d) goto err_out; - d = debugfs_create_u32("clk_protect_count", S_IRUGO, core->dentry, - (u32 *)&core->protect_count); + d = debugfs_create_u32("clk_protect_count", 0444, core->dentry, + &core->protect_count); if (!d) goto err_out; - d = debugfs_create_u32("clk_notifier_count", S_IRUGO, core->dentry, - (u32 *)&core->notifier_count); + d = debugfs_create_u32("clk_notifier_count", 0444, core->dentry, + &core->notifier_count); if (!d) goto err_out; if (core->num_parents > 1) { - d = debugfs_create_file("clk_possible_parents", S_IRUGO, + d = debugfs_create_file("clk_possible_parents", 0444, core->dentry, core, &possible_parents_fops); if (!d) goto err_out; @@ -2677,12 +2728,8 @@ static int clk_debug_register(struct clk_core *core) mutex_lock(&clk_debug_lock); hlist_add_head(&core->debug_node, &clk_debug_list); - - if (!inited) - goto unlock; - - ret = clk_debug_create_one(core, rootdir); -unlock: + if (inited) + ret = clk_debug_create_one(core, rootdir); mutex_unlock(&clk_debug_lock); return ret; @@ -2737,22 +2784,22 @@ static int __init clk_debug_init(void) if (!rootdir) return -ENOMEM; - d = debugfs_create_file("clk_summary", S_IRUGO, rootdir, &all_lists, + d = debugfs_create_file("clk_summary", 0444, rootdir, &all_lists, &clk_summary_fops); if (!d) return -ENOMEM; - d = debugfs_create_file("clk_dump", S_IRUGO, rootdir, &all_lists, + d = debugfs_create_file("clk_dump", 0444, rootdir, &all_lists, &clk_dump_fops); if (!d) return -ENOMEM; - d = debugfs_create_file("clk_orphan_summary", S_IRUGO, rootdir, + d = debugfs_create_file("clk_orphan_summary", 0444, rootdir, &orphan_list, &clk_summary_fops); if (!d) return -ENOMEM; - d = debugfs_create_file("clk_orphan_dump", S_IRUGO, rootdir, + d = debugfs_create_file("clk_orphan_dump", 0444, rootdir, &orphan_list, &clk_dump_fops); if (!d) return -ENOMEM; @@ -3927,7 +3974,7 @@ static int parent_ready(struct device_node *np) * of_clk_detect_critical() - set CLK_IS_CRITICAL flag from Device Tree * @np: Device node pointer associated with clock provider * @index: clock index - * @flags: pointer to clk_core->flags + * @flags: pointer to top-level framework flags * * Detects if the clock-critical property exists and, if so, sets the * corresponding CLK_IS_CRITICAL flag. diff --git a/drivers/clk/clk.h b/drivers/clk/clk.h index 00b35a13cdf3..70c0ba6336c1 100644 --- a/drivers/clk/clk.h +++ b/drivers/clk/clk.h @@ -20,6 +20,8 @@ struct clk *__of_clk_get_from_provider(struct of_phandle_args *clkspec, struct clk *__clk_create_clk(struct clk_hw *hw, const char *dev_id, const char *con_id); void __clk_free_clk(struct clk *clk); +int __clk_get(struct clk *clk); +void __clk_put(struct clk *clk); #else /* All these casts to avoid ifdefs in clkdev... */ static inline struct clk * @@ -32,5 +34,7 @@ static struct clk_hw *__clk_get_hw(struct clk *clk) { return (struct clk_hw *)clk; } +static inline int __clk_get(struct clk *clk) { return 1; } +static inline void __clk_put(struct clk *clk) { } #endif diff --git a/drivers/clk/clkdev.c b/drivers/clk/clkdev.c index 6b2f29df3f70..7513411140b6 100644 --- a/drivers/clk/clkdev.c +++ b/drivers/clk/clkdev.c @@ -256,7 +256,7 @@ vclkdev_alloc(struct clk_hw *hw, const char *con_id, const char *dev_fmt, { struct clk_lookup_alloc *cla; - cla = __clkdev_alloc(sizeof(*cla)); + cla = kzalloc(sizeof(*cla), GFP_KERNEL); if (!cla) return NULL; diff --git a/drivers/clk/meson/Kconfig b/drivers/clk/meson/Kconfig index d2d0174a6eca..7694302c70a4 100644 --- a/drivers/clk/meson/Kconfig +++ b/drivers/clk/meson/Kconfig @@ -19,3 +19,11 @@ config COMMON_CLK_GXBB help Support for the clock controller on AmLogic S905 devices, aka gxbb. Say Y if you want peripherals and CPU frequency scaling to work. + +config COMMON_CLK_AXG + bool + depends on COMMON_CLK_AMLOGIC + select RESET_CONTROLLER + help + Support for the clock controller on AmLogic A113D devices, aka axg. + Say Y if you want peripherals and CPU frequency scaling to work. diff --git a/drivers/clk/meson/Makefile b/drivers/clk/meson/Makefile index b139d41b25da..3c03ce583798 100644 --- a/drivers/clk/meson/Makefile +++ b/drivers/clk/meson/Makefile @@ -5,3 +5,4 @@ obj-$(CONFIG_COMMON_CLK_AMLOGIC) += clk-pll.o clk-cpu.o clk-mpll.o clk-audio-divider.o obj-$(CONFIG_COMMON_CLK_MESON8B) += meson8b.o obj-$(CONFIG_COMMON_CLK_GXBB) += gxbb.o gxbb-aoclk.o gxbb-aoclk-regmap.o gxbb-aoclk-32k.o +obj-$(CONFIG_COMMON_CLK_AXG) += axg.o diff --git a/drivers/clk/meson/axg.c b/drivers/clk/meson/axg.c new file mode 100644 index 000000000000..1294f3ad7cd5 --- /dev/null +++ b/drivers/clk/meson/axg.c @@ -0,0 +1,938 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * AmLogic Meson-AXG Clock Controller Driver + * + * Copyright (c) 2016 Baylibre SAS. + * Author: Michael Turquette <mturquette@baylibre.com> + * + * Copyright (c) 2017 Amlogic, inc. + * Author: Qiufang Dai <qiufang.dai@amlogic.com> + */ + +#include <linux/clk.h> +#include <linux/clk-provider.h> +#include <linux/of_address.h> +#include <linux/of_device.h> +#include <linux/platform_device.h> +#include <linux/init.h> + +#include "clkc.h" +#include "axg.h" + +static DEFINE_SPINLOCK(meson_clk_lock); + +static const struct pll_rate_table sys_pll_rate_table[] = { + PLL_RATE(24000000, 56, 1, 2), + PLL_RATE(48000000, 64, 1, 2), + PLL_RATE(72000000, 72, 1, 2), + PLL_RATE(96000000, 64, 1, 2), + PLL_RATE(120000000, 80, 1, 2), + PLL_RATE(144000000, 96, 1, 2), + PLL_RATE(168000000, 56, 1, 1), + PLL_RATE(192000000, 64, 1, 1), + PLL_RATE(216000000, 72, 1, 1), + PLL_RATE(240000000, 80, 1, 1), + PLL_RATE(264000000, 88, 1, 1), + PLL_RATE(288000000, 96, 1, 1), + PLL_RATE(312000000, 52, 1, 2), + PLL_RATE(336000000, 56, 1, 2), + PLL_RATE(360000000, 60, 1, 2), + PLL_RATE(384000000, 64, 1, 2), + PLL_RATE(408000000, 68, 1, 2), + PLL_RATE(432000000, 72, 1, 2), + PLL_RATE(456000000, 76, 1, 2), + PLL_RATE(480000000, 80, 1, 2), + PLL_RATE(504000000, 84, 1, 2), + PLL_RATE(528000000, 88, 1, 2), + PLL_RATE(552000000, 92, 1, 2), + PLL_RATE(576000000, 96, 1, 2), + PLL_RATE(600000000, 50, 1, 1), + PLL_RATE(624000000, 52, 1, 1), + PLL_RATE(648000000, 54, 1, 1), + PLL_RATE(672000000, 56, 1, 1), + PLL_RATE(696000000, 58, 1, 1), + PLL_RATE(720000000, 60, 1, 1), + PLL_RATE(744000000, 62, 1, 1), + PLL_RATE(768000000, 64, 1, 1), + PLL_RATE(792000000, 66, 1, 1), + PLL_RATE(816000000, 68, 1, 1), + PLL_RATE(840000000, 70, 1, 1), + PLL_RATE(864000000, 72, 1, 1), + PLL_RATE(888000000, 74, 1, 1), + PLL_RATE(912000000, 76, 1, 1), + PLL_RATE(936000000, 78, 1, 1), + PLL_RATE(960000000, 80, 1, 1), + PLL_RATE(984000000, 82, 1, 1), + PLL_RATE(1008000000, 84, 1, 1), + PLL_RATE(1032000000, 86, 1, 1), + PLL_RATE(1056000000, 88, 1, 1), + PLL_RATE(1080000000, 90, 1, 1), + PLL_RATE(1104000000, 92, 1, 1), + PLL_RATE(1128000000, 94, 1, 1), + PLL_RATE(1152000000, 96, 1, 1), + PLL_RATE(1176000000, 98, 1, 1), + PLL_RATE(1200000000, 50, 1, 0), + PLL_RATE(1224000000, 51, 1, 0), + PLL_RATE(1248000000, 52, 1, 0), + PLL_RATE(1272000000, 53, 1, 0), + PLL_RATE(1296000000, 54, 1, 0), + PLL_RATE(1320000000, 55, 1, 0), + PLL_RATE(1344000000, 56, 1, 0), + PLL_RATE(1368000000, 57, 1, 0), + PLL_RATE(1392000000, 58, 1, 0), + PLL_RATE(1416000000, 59, 1, 0), + PLL_RATE(1440000000, 60, 1, 0), + PLL_RATE(1464000000, 61, 1, 0), + PLL_RATE(1488000000, 62, 1, 0), + PLL_RATE(1512000000, 63, 1, 0), + PLL_RATE(1536000000, 64, 1, 0), + PLL_RATE(1560000000, 65, 1, 0), + PLL_RATE(1584000000, 66, 1, 0), + PLL_RATE(1608000000, 67, 1, 0), + PLL_RATE(1632000000, 68, 1, 0), + PLL_RATE(1656000000, 68, 1, 0), + PLL_RATE(1680000000, 68, 1, 0), + PLL_RATE(1704000000, 68, 1, 0), + PLL_RATE(1728000000, 69, 1, 0), + PLL_RATE(1752000000, 69, 1, 0), + PLL_RATE(1776000000, 69, 1, 0), + PLL_RATE(1800000000, 69, 1, 0), + PLL_RATE(1824000000, 70, 1, 0), + PLL_RATE(1848000000, 70, 1, 0), + PLL_RATE(1872000000, 70, 1, 0), + PLL_RATE(1896000000, 70, 1, 0), + PLL_RATE(1920000000, 71, 1, 0), + PLL_RATE(1944000000, 71, 1, 0), + PLL_RATE(1968000000, 71, 1, 0), + PLL_RATE(1992000000, 71, 1, 0), + PLL_RATE(2016000000, 72, 1, 0), + PLL_RATE(2040000000, 72, 1, 0), + PLL_RATE(2064000000, 72, 1, 0), + PLL_RATE(2088000000, 72, 1, 0), + PLL_RATE(2112000000, 73, 1, 0), + { /* sentinel */ }, +}; + +static struct meson_clk_pll axg_fixed_pll = { + .m = { + .reg_off = HHI_MPLL_CNTL, + .shift = 0, + .width = 9, + }, + .n = { + .reg_off = HHI_MPLL_CNTL, + .shift = 9, + .width = 5, + }, + .od = { + .reg_off = HHI_MPLL_CNTL, + .shift = 16, + .width = 2, + }, + .lock = &meson_clk_lock, + .hw.init = &(struct clk_init_data){ + .name = "fixed_pll", + .ops = &meson_clk_pll_ro_ops, + .parent_names = (const char *[]){ "xtal" }, + .num_parents = 1, + }, +}; + +static struct meson_clk_pll axg_sys_pll = { + .m = { + .reg_off = HHI_SYS_PLL_CNTL, + .shift = 0, + .width = 9, + }, + .n = { + .reg_off = HHI_SYS_PLL_CNTL, + .shift = 9, + .width = 5, + }, + .od = { + .reg_off = HHI_SYS_PLL_CNTL, + .shift = 10, + .width = 2, + }, + .rate_table = sys_pll_rate_table, + .rate_count = ARRAY_SIZE(sys_pll_rate_table), + .lock = &meson_clk_lock, + .hw.init = &(struct clk_init_data){ + .name = "sys_pll", + .ops = &meson_clk_pll_ro_ops, + .parent_names = (const char *[]){ "xtal" }, + .num_parents = 1, + .flags = CLK_GET_RATE_NOCACHE, + }, +}; + +static const struct pll_rate_table axg_gp0_pll_rate_table[] = { + PLL_RATE(240000000, 40, 1, 2), + PLL_RATE(246000000, 41, 1, 2), + PLL_RATE(252000000, 42, 1, 2), + PLL_RATE(258000000, 43, 1, 2), + PLL_RATE(264000000, 44, 1, 2), + PLL_RATE(270000000, 45, 1, 2), + PLL_RATE(276000000, 46, 1, 2), + PLL_RATE(282000000, 47, 1, 2), + PLL_RATE(288000000, 48, 1, 2), + PLL_RATE(294000000, 49, 1, 2), + PLL_RATE(300000000, 50, 1, 2), + PLL_RATE(306000000, 51, 1, 2), + PLL_RATE(312000000, 52, 1, 2), + PLL_RATE(318000000, 53, 1, 2), + PLL_RATE(324000000, 54, 1, 2), + PLL_RATE(330000000, 55, 1, 2), + PLL_RATE(336000000, 56, 1, 2), + PLL_RATE(342000000, 57, 1, 2), + PLL_RATE(348000000, 58, 1, 2), + PLL_RATE(354000000, 59, 1, 2), + PLL_RATE(360000000, 60, 1, 2), + PLL_RATE(366000000, 61, 1, 2), + PLL_RATE(372000000, 62, 1, 2), + PLL_RATE(378000000, 63, 1, 2), + PLL_RATE(384000000, 64, 1, 2), + PLL_RATE(390000000, 65, 1, 3), + PLL_RATE(396000000, 66, 1, 3), + PLL_RATE(402000000, 67, 1, 3), + PLL_RATE(408000000, 68, 1, 3), + PLL_RATE(480000000, 40, 1, 1), + PLL_RATE(492000000, 41, 1, 1), + PLL_RATE(504000000, 42, 1, 1), + PLL_RATE(516000000, 43, 1, 1), + PLL_RATE(528000000, 44, 1, 1), + PLL_RATE(540000000, 45, 1, 1), + PLL_RATE(552000000, 46, 1, 1), + PLL_RATE(564000000, 47, 1, 1), + PLL_RATE(576000000, 48, 1, 1), + PLL_RATE(588000000, 49, 1, 1), + PLL_RATE(600000000, 50, 1, 1), + PLL_RATE(612000000, 51, 1, 1), + PLL_RATE(624000000, 52, 1, 1), + PLL_RATE(636000000, 53, 1, 1), + PLL_RATE(648000000, 54, 1, 1), + PLL_RATE(660000000, 55, 1, 1), + PLL_RATE(672000000, 56, 1, 1), + PLL_RATE(684000000, 57, 1, 1), + PLL_RATE(696000000, 58, 1, 1), + PLL_RATE(708000000, 59, 1, 1), + PLL_RATE(720000000, 60, 1, 1), + PLL_RATE(732000000, 61, 1, 1), + PLL_RATE(744000000, 62, 1, 1), + PLL_RATE(756000000, 63, 1, 1), + PLL_RATE(768000000, 64, 1, 1), + PLL_RATE(780000000, 65, 1, 1), + PLL_RATE(792000000, 66, 1, 1), + PLL_RATE(804000000, 67, 1, 1), + PLL_RATE(816000000, 68, 1, 1), + PLL_RATE(960000000, 40, 1, 0), + PLL_RATE(984000000, 41, 1, 0), + PLL_RATE(1008000000, 42, 1, 0), + PLL_RATE(1032000000, 43, 1, 0), + PLL_RATE(1056000000, 44, 1, 0), + PLL_RATE(1080000000, 45, 1, 0), + PLL_RATE(1104000000, 46, 1, 0), + PLL_RATE(1128000000, 47, 1, 0), + PLL_RATE(1152000000, 48, 1, 0), + PLL_RATE(1176000000, 49, 1, 0), + PLL_RATE(1200000000, 50, 1, 0), + PLL_RATE(1224000000, 51, 1, 0), + PLL_RATE(1248000000, 52, 1, 0), + PLL_RATE(1272000000, 53, 1, 0), + PLL_RATE(1296000000, 54, 1, 0), + PLL_RATE(1320000000, 55, 1, 0), + PLL_RATE(1344000000, 56, 1, 0), + PLL_RATE(1368000000, 57, 1, 0), + PLL_RATE(1392000000, 58, 1, 0), + PLL_RATE(1416000000, 59, 1, 0), + PLL_RATE(1440000000, 60, 1, 0), + PLL_RATE(1464000000, 61, 1, 0), + PLL_RATE(1488000000, 62, 1, 0), + PLL_RATE(1512000000, 63, 1, 0), + PLL_RATE(1536000000, 64, 1, 0), + PLL_RATE(1560000000, 65, 1, 0), + PLL_RATE(1584000000, 66, 1, 0), + PLL_RATE(1608000000, 67, 1, 0), + PLL_RATE(1632000000, 68, 1, 0), + { /* sentinel */ }, +}; + +static struct pll_params_table axg_gp0_params_table[] = { + PLL_PARAM(HHI_GP0_PLL_CNTL, 0x40010250), + PLL_PARAM(HHI_GP0_PLL_CNTL1, 0xc084a000), + PLL_PARAM(HHI_GP0_PLL_CNTL2, 0xb75020be), + PLL_PARAM(HHI_GP0_PLL_CNTL3, 0x0a59a288), + PLL_PARAM(HHI_GP0_PLL_CNTL4, 0xc000004d), + PLL_PARAM(HHI_GP0_PLL_CNTL5, 0x00078000), +}; + +static struct meson_clk_pll axg_gp0_pll = { + .m = { + .reg_off = HHI_GP0_PLL_CNTL, + .shift = 0, + .width = 9, + }, + .n = { + .reg_off = HHI_GP0_PLL_CNTL, + .shift = 9, + .width = 5, + }, + .od = { + .reg_off = HHI_GP0_PLL_CNTL, + .shift = 16, + .width = 2, + }, + .params = { + .params_table = axg_gp0_params_table, + .params_count = ARRAY_SIZE(axg_gp0_params_table), + .no_init_reset = true, + .reset_lock_loop = true, + }, + .rate_table = axg_gp0_pll_rate_table, + .rate_count = ARRAY_SIZE(axg_gp0_pll_rate_table), + .lock = &meson_clk_lock, + .hw.init = &(struct clk_init_data){ + .name = "gp0_pll", + .ops = &meson_clk_pll_ops, + .parent_names = (const char *[]){ "xtal" }, + .num_parents = 1, + }, +}; + + +static struct clk_fixed_factor axg_fclk_div2 = { + .mult = 1, + .div = 2, + .hw.init = &(struct clk_init_data){ + .name = "fclk_div2", + .ops = &clk_fixed_factor_ops, + .parent_names = (const char *[]){ "fixed_pll" }, + .num_parents = 1, + }, +}; + +static struct clk_fixed_factor axg_fclk_div3 = { + .mult = 1, + .div = 3, + .hw.init = &(struct clk_init_data){ + .name = "fclk_div3", + .ops = &clk_fixed_factor_ops, + .parent_names = (const char *[]){ "fixed_pll" }, + .num_parents = 1, + }, +}; + +static struct clk_fixed_factor axg_fclk_div4 = { + .mult = 1, + .div = 4, + .hw.init = &(struct clk_init_data){ + .name = "fclk_div4", + .ops = &clk_fixed_factor_ops, + .parent_names = (const char *[]){ "fixed_pll" }, + .num_parents = 1, + }, +}; + +static struct clk_fixed_factor axg_fclk_div5 = { + .mult = 1, + .div = 5, + .hw.init = &(struct clk_init_data){ + .name = "fclk_div5", + .ops = &clk_fixed_factor_ops, + .parent_names = (const char *[]){ "fixed_pll" }, + .num_parents = 1, + }, +}; + +static struct clk_fixed_factor axg_fclk_div7 = { + .mult = 1, + .div = 7, + .hw.init = &(struct clk_init_data){ + .name = "fclk_div7", + .ops = &clk_fixed_factor_ops, + .parent_names = (const char *[]){ "fixed_pll" }, + .num_parents = 1, + }, +}; + +static struct meson_clk_mpll axg_mpll0 = { + .sdm = { + .reg_off = HHI_MPLL_CNTL7, + .shift = 0, + .width = 14, + }, + .sdm_en = { + .reg_off = HHI_MPLL_CNTL7, + .shift = 15, + .width = 1, + }, + .n2 = { + .reg_off = HHI_MPLL_CNTL7, + .shift = 16, + .width = 9, + }, + .en = { + .reg_off = HHI_MPLL_CNTL7, + .shift = 14, + .width = 1, + }, + .ssen = { + .reg_off = HHI_MPLL_CNTL, + .shift = 25, + .width = 1, + }, + .lock = &meson_clk_lock, + .hw.init = &(struct clk_init_data){ + .name = "mpll0", + .ops = &meson_clk_mpll_ops, + .parent_names = (const char *[]){ "fixed_pll" }, + .num_parents = 1, + }, +}; + +static struct meson_clk_mpll axg_mpll1 = { + .sdm = { + .reg_off = HHI_MPLL_CNTL8, + .shift = 0, + .width = 14, + }, + .sdm_en = { + .reg_off = HHI_MPLL_CNTL8, + .shift = 15, + .width = 1, + }, + .n2 = { + .reg_off = HHI_MPLL_CNTL8, + .shift = 16, + .width = 9, + }, + .en = { + .reg_off = HHI_MPLL_CNTL8, + .shift = 14, + .width = 1, + }, + .lock = &meson_clk_lock, + .hw.init = &(struct clk_init_data){ + .name = "mpll1", + .ops = &meson_clk_mpll_ops, + .parent_names = (const char *[]){ "fixed_pll" }, + .num_parents = 1, + }, +}; + +static struct meson_clk_mpll axg_mpll2 = { + .sdm = { + .reg_off = HHI_MPLL_CNTL9, + .shift = 0, + .width = 14, + }, + .sdm_en = { + .reg_off = HHI_MPLL_CNTL9, + .shift = 15, + .width = 1, + }, + .n2 = { + .reg_off = HHI_MPLL_CNTL9, + .shift = 16, + .width = 9, + }, + .en = { + .reg_off = HHI_MPLL_CNTL9, + .shift = 14, + .width = 1, + }, + .lock = &meson_clk_lock, + .hw.init = &(struct clk_init_data){ + .name = "mpll2", + .ops = &meson_clk_mpll_ops, + .parent_names = (const char *[]){ "fixed_pll" }, + .num_parents = 1, + }, +}; + +static struct meson_clk_mpll axg_mpll3 = { + .sdm = { + .reg_off = HHI_MPLL3_CNTL0, + .shift = 12, + .width = 14, + }, + .sdm_en = { + .reg_off = HHI_MPLL3_CNTL0, + .shift = 11, + .width = 1, + }, + .n2 = { + .reg_off = HHI_MPLL3_CNTL0, + .shift = 2, + .width = 9, + }, + .en = { + .reg_off = HHI_MPLL3_CNTL0, + .shift = 0, + .width = 1, + }, + .lock = &meson_clk_lock, + .hw.init = &(struct clk_init_data){ + .name = "mpll3", + .ops = &meson_clk_mpll_ops, + .parent_names = (const char *[]){ "fixed_pll" }, + .num_parents = 1, + }, +}; + +/* + * FIXME The legacy composite clocks (e.g. clk81) are both PLL post-dividers + * and should be modeled with their respective PLLs via the forthcoming + * coordinated clock rates feature + */ +static u32 mux_table_clk81[] = { 0, 2, 3, 4, 5, 6, 7 }; +static const char * const clk81_parent_names[] = { + "xtal", "fclk_div7", "mpll1", "mpll2", "fclk_div4", + "fclk_div3", "fclk_div5" +}; + +static struct clk_mux axg_mpeg_clk_sel = { + .reg = (void *)HHI_MPEG_CLK_CNTL, + .mask = 0x7, + .shift = 12, + .flags = CLK_MUX_READ_ONLY, + .table = mux_table_clk81, + .lock = &meson_clk_lock, + .hw.init = &(struct clk_init_data){ + .name = "mpeg_clk_sel", + .ops = &clk_mux_ro_ops, + .parent_names = clk81_parent_names, + .num_parents = ARRAY_SIZE(clk81_parent_names), + }, +}; + +static struct clk_divider axg_mpeg_clk_div = { + .reg = (void *)HHI_MPEG_CLK_CNTL, + .shift = 0, + .width = 7, + .lock = &meson_clk_lock, + .hw.init = &(struct clk_init_data){ + .name = "mpeg_clk_div", + .ops = &clk_divider_ops, + .parent_names = (const char *[]){ "mpeg_clk_sel" }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + }, +}; + +static struct clk_gate axg_clk81 = { + .reg = (void *)HHI_MPEG_CLK_CNTL, + .bit_idx = 7, + .lock = &meson_clk_lock, + .hw.init = &(struct clk_init_data){ + .name = "clk81", + .ops = &clk_gate_ops, + .parent_names = (const char *[]){ "mpeg_clk_div" }, + .num_parents = 1, + .flags = (CLK_SET_RATE_PARENT | CLK_IS_CRITICAL), + }, +}; + +static const char * const axg_sd_emmc_clk0_parent_names[] = { + "xtal", "fclk_div2", "fclk_div3", "fclk_div5", "fclk_div7", + + /* + * Following these parent clocks, we should also have had mpll2, mpll3 + * and gp0_pll but these clocks are too precious to be used here. All + * the necessary rates for MMC and NAND operation can be acheived using + * xtal or fclk_div clocks + */ +}; + +/* SDcard clock */ +static struct clk_mux axg_sd_emmc_b_clk0_sel = { + .reg = (void *)HHI_SD_EMMC_CLK_CNTL, + .mask = 0x7, + .shift = 25, + .lock = &meson_clk_lock, + .hw.init = &(struct clk_init_data) { + .name = "sd_emmc_b_clk0_sel", + .ops = &clk_mux_ops, + .parent_names = axg_sd_emmc_clk0_parent_names, + .num_parents = ARRAY_SIZE(axg_sd_emmc_clk0_parent_names), + .flags = CLK_SET_RATE_PARENT, + }, +}; + +static struct clk_divider axg_sd_emmc_b_clk0_div = { + .reg = (void *)HHI_SD_EMMC_CLK_CNTL, + .shift = 16, + .width = 7, + .lock = &meson_clk_lock, + .flags = CLK_DIVIDER_ROUND_CLOSEST, + .hw.init = &(struct clk_init_data) { + .name = "sd_emmc_b_clk0_div", + .ops = &clk_divider_ops, + .parent_names = (const char *[]){ "sd_emmc_b_clk0_sel" }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + }, +}; + +static struct clk_gate axg_sd_emmc_b_clk0 = { + .reg = (void *)HHI_SD_EMMC_CLK_CNTL, + .bit_idx = 23, + .lock = &meson_clk_lock, + .hw.init = &(struct clk_init_data){ + .name = "sd_emmc_b_clk0", + .ops = &clk_gate_ops, + .parent_names = (const char *[]){ "sd_emmc_b_clk0_div" }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + }, +}; + +/* EMMC/NAND clock */ +static struct clk_mux axg_sd_emmc_c_clk0_sel = { + .reg = (void *)HHI_NAND_CLK_CNTL, + .mask = 0x7, + .shift = 9, + .lock = &meson_clk_lock, + .hw.init = &(struct clk_init_data) { + .name = "sd_emmc_c_clk0_sel", + .ops = &clk_mux_ops, + .parent_names = axg_sd_emmc_clk0_parent_names, + .num_parents = ARRAY_SIZE(axg_sd_emmc_clk0_parent_names), + .flags = CLK_SET_RATE_PARENT, + }, +}; + +static struct clk_divider axg_sd_emmc_c_clk0_div = { + .reg = (void *)HHI_NAND_CLK_CNTL, + .shift = 0, + .width = 7, + .lock = &meson_clk_lock, + .flags = CLK_DIVIDER_ROUND_CLOSEST, + .hw.init = &(struct clk_init_data) { + .name = "sd_emmc_c_clk0_div", + .ops = &clk_divider_ops, + .parent_names = (const char *[]){ "sd_emmc_c_clk0_sel" }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + }, +}; + +static struct clk_gate axg_sd_emmc_c_clk0 = { + .reg = (void *)HHI_NAND_CLK_CNTL, + .bit_idx = 7, + .lock = &meson_clk_lock, + .hw.init = &(struct clk_init_data){ + .name = "sd_emmc_c_clk0", + .ops = &clk_gate_ops, + .parent_names = (const char *[]){ "sd_emmc_c_clk0_div" }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + }, +}; + +/* Everything Else (EE) domain gates */ +static MESON_GATE(axg_ddr, HHI_GCLK_MPEG0, 0); +static MESON_GATE(axg_audio_locker, HHI_GCLK_MPEG0, 2); +static MESON_GATE(axg_mipi_dsi_host, HHI_GCLK_MPEG0, 3); +static MESON_GATE(axg_isa, HHI_GCLK_MPEG0, 5); +static MESON_GATE(axg_pl301, HHI_GCLK_MPEG0, 6); +static MESON_GATE(axg_periphs, HHI_GCLK_MPEG0, 7); +static MESON_GATE(axg_spicc_0, HHI_GCLK_MPEG0, 8); +static MESON_GATE(axg_i2c, HHI_GCLK_MPEG0, 9); +static MESON_GATE(axg_rng0, HHI_GCLK_MPEG0, 12); +static MESON_GATE(axg_uart0, HHI_GCLK_MPEG0, 13); +static MESON_GATE(axg_mipi_dsi_phy, HHI_GCLK_MPEG0, 14); +static MESON_GATE(axg_spicc_1, HHI_GCLK_MPEG0, 15); +static MESON_GATE(axg_pcie_a, HHI_GCLK_MPEG0, 16); +static MESON_GATE(axg_pcie_b, HHI_GCLK_MPEG0, 17); +static MESON_GATE(axg_hiu_reg, HHI_GCLK_MPEG0, 19); +static MESON_GATE(axg_assist_misc, HHI_GCLK_MPEG0, 23); +static MESON_GATE(axg_emmc_b, HHI_GCLK_MPEG0, 25); +static MESON_GATE(axg_emmc_c, HHI_GCLK_MPEG0, 26); +static MESON_GATE(axg_dma, HHI_GCLK_MPEG0, 27); +static MESON_GATE(axg_spi, HHI_GCLK_MPEG0, 30); + +static MESON_GATE(axg_audio, HHI_GCLK_MPEG1, 0); +static MESON_GATE(axg_eth_core, HHI_GCLK_MPEG1, 3); +static MESON_GATE(axg_uart1, HHI_GCLK_MPEG1, 16); +static MESON_GATE(axg_g2d, HHI_GCLK_MPEG1, 20); +static MESON_GATE(axg_usb0, HHI_GCLK_MPEG1, 21); +static MESON_GATE(axg_usb1, HHI_GCLK_MPEG1, 22); +static MESON_GATE(axg_reset, HHI_GCLK_MPEG1, 23); +static MESON_GATE(axg_usb_general, HHI_GCLK_MPEG1, 26); +static MESON_GATE(axg_ahb_arb0, HHI_GCLK_MPEG1, 29); +static MESON_GATE(axg_efuse, HHI_GCLK_MPEG1, 30); +static MESON_GATE(axg_boot_rom, HHI_GCLK_MPEG1, 31); + +static MESON_GATE(axg_ahb_data_bus, HHI_GCLK_MPEG2, 1); +static MESON_GATE(axg_ahb_ctrl_bus, HHI_GCLK_MPEG2, 2); +static MESON_GATE(axg_usb1_to_ddr, HHI_GCLK_MPEG2, 8); +static MESON_GATE(axg_usb0_to_ddr, HHI_GCLK_MPEG2, 9); +static MESON_GATE(axg_mmc_pclk, HHI_GCLK_MPEG2, 11); +static MESON_GATE(axg_vpu_intr, HHI_GCLK_MPEG2, 25); +static MESON_GATE(axg_sec_ahb_ahb3_bridge, HHI_GCLK_MPEG2, 26); +static MESON_GATE(axg_gic, HHI_GCLK_MPEG2, 30); + +/* Always On (AO) domain gates */ + +static MESON_GATE(axg_ao_media_cpu, HHI_GCLK_AO, 0); +static MESON_GATE(axg_ao_ahb_sram, HHI_GCLK_AO, 1); +static MESON_GATE(axg_ao_ahb_bus, HHI_GCLK_AO, 2); +static MESON_GATE(axg_ao_iface, HHI_GCLK_AO, 3); +static MESON_GATE(axg_ao_i2c, HHI_GCLK_AO, 4); + +/* Array of all clocks provided by this provider */ + +static struct clk_hw_onecell_data axg_hw_onecell_data = { + .hws = { + [CLKID_SYS_PLL] = &axg_sys_pll.hw, + [CLKID_FIXED_PLL] = &axg_fixed_pll.hw, + [CLKID_FCLK_DIV2] = &axg_fclk_div2.hw, + [CLKID_FCLK_DIV3] = &axg_fclk_div3.hw, + [CLKID_FCLK_DIV4] = &axg_fclk_div4.hw, + [CLKID_FCLK_DIV5] = &axg_fclk_div5.hw, + [CLKID_FCLK_DIV7] = &axg_fclk_div7.hw, + [CLKID_GP0_PLL] = &axg_gp0_pll.hw, + [CLKID_MPEG_SEL] = &axg_mpeg_clk_sel.hw, + [CLKID_MPEG_DIV] = &axg_mpeg_clk_div.hw, + [CLKID_CLK81] = &axg_clk81.hw, + [CLKID_MPLL0] = &axg_mpll0.hw, + [CLKID_MPLL1] = &axg_mpll1.hw, + [CLKID_MPLL2] = &axg_mpll2.hw, + [CLKID_MPLL3] = &axg_mpll3.hw, + [CLKID_DDR] = &axg_ddr.hw, + [CLKID_AUDIO_LOCKER] = &axg_audio_locker.hw, + [CLKID_MIPI_DSI_HOST] = &axg_mipi_dsi_host.hw, + [CLKID_ISA] = &axg_isa.hw, + [CLKID_PL301] = &axg_pl301.hw, + [CLKID_PERIPHS] = &axg_periphs.hw, + [CLKID_SPICC0] = &axg_spicc_0.hw, + [CLKID_I2C] = &axg_i2c.hw, + [CLKID_RNG0] = &axg_rng0.hw, + [CLKID_UART0] = &axg_uart0.hw, + [CLKID_MIPI_DSI_PHY] = &axg_mipi_dsi_phy.hw, + [CLKID_SPICC1] = &axg_spicc_1.hw, + [CLKID_PCIE_A] = &axg_pcie_a.hw, + [CLKID_PCIE_B] = &axg_pcie_b.hw, + [CLKID_HIU_IFACE] = &axg_hiu_reg.hw, + [CLKID_ASSIST_MISC] = &axg_assist_misc.hw, + [CLKID_SD_EMMC_B] = &axg_emmc_b.hw, + [CLKID_SD_EMMC_C] = &axg_emmc_c.hw, + [CLKID_DMA] = &axg_dma.hw, + [CLKID_SPI] = &axg_spi.hw, + [CLKID_AUDIO] = &axg_audio.hw, + [CLKID_ETH] = &axg_eth_core.hw, + [CLKID_UART1] = &axg_uart1.hw, + [CLKID_G2D] = &axg_g2d.hw, + [CLKID_USB0] = &axg_usb0.hw, + [CLKID_USB1] = &axg_usb1.hw, + [CLKID_RESET] = &axg_reset.hw, + [CLKID_USB] = &axg_usb_general.hw, + [CLKID_AHB_ARB0] = &axg_ahb_arb0.hw, + [CLKID_EFUSE] = &axg_efuse.hw, + [CLKID_BOOT_ROM] = &axg_boot_rom.hw, + [CLKID_AHB_DATA_BUS] = &axg_ahb_data_bus.hw, + [CLKID_AHB_CTRL_BUS] = &axg_ahb_ctrl_bus.hw, + [CLKID_USB1_DDR_BRIDGE] = &axg_usb1_to_ddr.hw, + [CLKID_USB0_DDR_BRIDGE] = &axg_usb0_to_ddr.hw, + [CLKID_MMC_PCLK] = &axg_mmc_pclk.hw, + [CLKID_VPU_INTR] = &axg_vpu_intr.hw, + [CLKID_SEC_AHB_AHB3_BRIDGE] = &axg_sec_ahb_ahb3_bridge.hw, + [CLKID_GIC] = &axg_gic.hw, + [CLKID_AO_MEDIA_CPU] = &axg_ao_media_cpu.hw, + [CLKID_AO_AHB_SRAM] = &axg_ao_ahb_sram.hw, + [CLKID_AO_AHB_BUS] = &axg_ao_ahb_bus.hw, + [CLKID_AO_IFACE] = &axg_ao_iface.hw, + [CLKID_AO_I2C] = &axg_ao_i2c.hw, + [CLKID_SD_EMMC_B_CLK0_SEL] = &axg_sd_emmc_b_clk0_sel.hw, + [CLKID_SD_EMMC_B_CLK0_DIV] = &axg_sd_emmc_b_clk0_div.hw, + [CLKID_SD_EMMC_B_CLK0] = &axg_sd_emmc_b_clk0.hw, + [CLKID_SD_EMMC_C_CLK0_SEL] = &axg_sd_emmc_c_clk0_sel.hw, + [CLKID_SD_EMMC_C_CLK0_DIV] = &axg_sd_emmc_c_clk0_div.hw, + [CLKID_SD_EMMC_C_CLK0] = &axg_sd_emmc_c_clk0.hw, + [NR_CLKS] = NULL, + }, + .num = NR_CLKS, +}; + +/* Convenience tables to populate base addresses in .probe */ + +static struct meson_clk_pll *const axg_clk_plls[] = { + &axg_fixed_pll, + &axg_sys_pll, + &axg_gp0_pll, +}; + +static struct meson_clk_mpll *const axg_clk_mplls[] = { + &axg_mpll0, + &axg_mpll1, + &axg_mpll2, + &axg_mpll3, +}; + +static struct clk_gate *const axg_clk_gates[] = { + &axg_clk81, + &axg_ddr, + &axg_audio_locker, + &axg_mipi_dsi_host, + &axg_isa, + &axg_pl301, + &axg_periphs, + &axg_spicc_0, + &axg_i2c, + &axg_rng0, + &axg_uart0, + &axg_mipi_dsi_phy, + &axg_spicc_1, + &axg_pcie_a, + &axg_pcie_b, + &axg_hiu_reg, + &axg_assist_misc, + &axg_emmc_b, + &axg_emmc_c, + &axg_dma, + &axg_spi, + &axg_audio, + &axg_eth_core, + &axg_uart1, + &axg_g2d, + &axg_usb0, + &axg_usb1, + &axg_reset, + &axg_usb_general, + &axg_ahb_arb0, + &axg_efuse, + &axg_boot_rom, + &axg_ahb_data_bus, + &axg_ahb_ctrl_bus, + &axg_usb1_to_ddr, + &axg_usb0_to_ddr, + &axg_mmc_pclk, + &axg_vpu_intr, + &axg_sec_ahb_ahb3_bridge, + &axg_gic, + &axg_ao_media_cpu, + &axg_ao_ahb_sram, + &axg_ao_ahb_bus, + &axg_ao_iface, + &axg_ao_i2c, + &axg_sd_emmc_b_clk0, + &axg_sd_emmc_c_clk0, +}; + +static struct clk_mux *const axg_clk_muxes[] = { + &axg_mpeg_clk_sel, + &axg_sd_emmc_b_clk0_sel, + &axg_sd_emmc_c_clk0_sel, +}; + +static struct clk_divider *const axg_clk_dividers[] = { + &axg_mpeg_clk_div, + &axg_sd_emmc_b_clk0_div, + &axg_sd_emmc_c_clk0_div, +}; + +struct clkc_data { + struct clk_gate *const *clk_gates; + unsigned int clk_gates_count; + struct meson_clk_mpll *const *clk_mplls; + unsigned int clk_mplls_count; + struct meson_clk_pll *const *clk_plls; + unsigned int clk_plls_count; + struct clk_mux *const *clk_muxes; + unsigned int clk_muxes_count; + struct clk_divider *const *clk_dividers; + unsigned int clk_dividers_count; + struct clk_hw_onecell_data *hw_onecell_data; +}; + +static const struct clkc_data axg_clkc_data = { + .clk_gates = axg_clk_gates, + .clk_gates_count = ARRAY_SIZE(axg_clk_gates), + .clk_mplls = axg_clk_mplls, + .clk_mplls_count = ARRAY_SIZE(axg_clk_mplls), + .clk_plls = axg_clk_plls, + .clk_plls_count = ARRAY_SIZE(axg_clk_plls), + .clk_muxes = axg_clk_muxes, + .clk_muxes_count = ARRAY_SIZE(axg_clk_muxes), + .clk_dividers = axg_clk_dividers, + .clk_dividers_count = ARRAY_SIZE(axg_clk_dividers), + .hw_onecell_data = &axg_hw_onecell_data, +}; + +static const struct of_device_id clkc_match_table[] = { + { .compatible = "amlogic,axg-clkc", .data = &axg_clkc_data }, + {} +}; + +static int axg_clkc_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + const struct clkc_data *clkc_data; + struct resource *res; + void __iomem *clk_base; + int ret, clkid, i; + + clkc_data = of_device_get_match_data(&pdev->dev); + if (!clkc_data) + return -EINVAL; + + /* Generic clocks and PLLs */ + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) + return -EINVAL; + clk_base = devm_ioremap(&pdev->dev, res->start, resource_size(res)); + if (!clk_base) { + dev_err(&pdev->dev, "Unable to map clk base\n"); + return -ENXIO; + } + + /* Populate base address for PLLs */ + for (i = 0; i < clkc_data->clk_plls_count; i++) + clkc_data->clk_plls[i]->base = clk_base; + + /* Populate base address for MPLLs */ + for (i = 0; i < clkc_data->clk_mplls_count; i++) + clkc_data->clk_mplls[i]->base = clk_base; + + /* Populate base address for gates */ + for (i = 0; i < clkc_data->clk_gates_count; i++) + clkc_data->clk_gates[i]->reg = clk_base + + (u64)clkc_data->clk_gates[i]->reg; + + /* Populate base address for muxes */ + for (i = 0; i < clkc_data->clk_muxes_count; i++) + clkc_data->clk_muxes[i]->reg = clk_base + + (u64)clkc_data->clk_muxes[i]->reg; + + /* Populate base address for dividers */ + for (i = 0; i < clkc_data->clk_dividers_count; i++) + clkc_data->clk_dividers[i]->reg = clk_base + + (u64)clkc_data->clk_dividers[i]->reg; + + for (clkid = 0; clkid < clkc_data->hw_onecell_data->num; clkid++) { + /* array might be sparse */ + if (!clkc_data->hw_onecell_data->hws[clkid]) + continue; + + ret = devm_clk_hw_register(dev, + clkc_data->hw_onecell_data->hws[clkid]); + if (ret) { + dev_err(&pdev->dev, "Clock registration failed\n"); + return ret; + } + } + + return of_clk_add_hw_provider(dev->of_node, of_clk_hw_onecell_get, + clkc_data->hw_onecell_data); +} + +static struct platform_driver axg_driver = { + .probe = axg_clkc_probe, + .driver = { + .name = "axg-clkc", + .of_match_table = clkc_match_table, + }, +}; + +builtin_platform_driver(axg_driver); diff --git a/drivers/clk/meson/axg.h b/drivers/clk/meson/axg.h new file mode 100644 index 000000000000..ce0bafdb6b28 --- /dev/null +++ b/drivers/clk/meson/axg.h @@ -0,0 +1,126 @@ +/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */ +/* + * Copyright (c) 2016 AmLogic, Inc. + * Author: Michael Turquette <mturquette@baylibre.com> + * + * Copyright (c) 2017 Amlogic, inc. + * Author: Qiufang Dai <qiufang.dai@amlogic.com> + * + */ +#ifndef __AXG_H +#define __AXG_H + +/* + * Clock controller register offsets + * + * Register offsets from the data sheet must be multiplied by 4 before + * adding them to the base address to get the right value. + */ +#define HHI_GP0_PLL_CNTL 0x40 +#define HHI_GP0_PLL_CNTL2 0x44 +#define HHI_GP0_PLL_CNTL3 0x48 +#define HHI_GP0_PLL_CNTL4 0x4c +#define HHI_GP0_PLL_CNTL5 0x50 +#define HHI_GP0_PLL_STS 0x54 +#define HHI_GP0_PLL_CNTL1 0x58 +#define HHI_HIFI_PLL_CNTL 0x80 +#define HHI_HIFI_PLL_CNTL2 0x84 +#define HHI_HIFI_PLL_CNTL3 0x88 +#define HHI_HIFI_PLL_CNTL4 0x8C +#define HHI_HIFI_PLL_CNTL5 0x90 +#define HHI_HIFI_PLL_STS 0x94 +#define HHI_HIFI_PLL_CNTL1 0x98 + +#define HHI_XTAL_DIVN_CNTL 0xbc +#define HHI_GCLK2_MPEG0 0xc0 +#define HHI_GCLK2_MPEG1 0xc4 +#define HHI_GCLK2_MPEG2 0xc8 +#define HHI_GCLK2_OTHER 0xd0 +#define HHI_GCLK2_AO 0xd4 +#define HHI_PCIE_PLL_CNTL 0xd8 +#define HHI_PCIE_PLL_CNTL1 0xdC +#define HHI_PCIE_PLL_CNTL2 0xe0 +#define HHI_PCIE_PLL_CNTL3 0xe4 +#define HHI_PCIE_PLL_CNTL4 0xe8 +#define HHI_PCIE_PLL_CNTL5 0xec +#define HHI_PCIE_PLL_CNTL6 0xf0 +#define HHI_PCIE_PLL_STS 0xf4 + +#define HHI_MEM_PD_REG0 0x100 +#define HHI_VPU_MEM_PD_REG0 0x104 +#define HHI_VIID_CLK_DIV 0x128 +#define HHI_VIID_CLK_CNTL 0x12c + +#define HHI_GCLK_MPEG0 0x140 +#define HHI_GCLK_MPEG1 0x144 +#define HHI_GCLK_MPEG2 0x148 +#define HHI_GCLK_OTHER 0x150 +#define HHI_GCLK_AO 0x154 +#define HHI_SYS_CPU_CLK_CNTL1 0x15c +#define HHI_SYS_CPU_RESET_CNTL 0x160 +#define HHI_VID_CLK_DIV 0x164 +#define HHI_SPICC_HCLK_CNTL 0x168 + +#define HHI_MPEG_CLK_CNTL 0x174 +#define HHI_VID_CLK_CNTL 0x17c +#define HHI_TS_CLK_CNTL 0x190 +#define HHI_VID_CLK_CNTL2 0x194 +#define HHI_SYS_CPU_CLK_CNTL0 0x19c +#define HHI_VID_PLL_CLK_DIV 0x1a0 +#define HHI_VPU_CLK_CNTL 0x1bC + +#define HHI_VAPBCLK_CNTL 0x1F4 + +#define HHI_GEN_CLK_CNTL 0x228 + +#define HHI_VDIN_MEAS_CLK_CNTL 0x250 +#define HHI_NAND_CLK_CNTL 0x25C +#define HHI_SD_EMMC_CLK_CNTL 0x264 + +#define HHI_MPLL_CNTL 0x280 +#define HHI_MPLL_CNTL2 0x284 +#define HHI_MPLL_CNTL3 0x288 +#define HHI_MPLL_CNTL4 0x28C +#define HHI_MPLL_CNTL5 0x290 +#define HHI_MPLL_CNTL6 0x294 +#define HHI_MPLL_CNTL7 0x298 +#define HHI_MPLL_CNTL8 0x29C +#define HHI_MPLL_CNTL9 0x2A0 +#define HHI_MPLL_CNTL10 0x2A4 + +#define HHI_MPLL3_CNTL0 0x2E0 +#define HHI_MPLL3_CNTL1 0x2E4 +#define HHI_PLL_TOP_MISC 0x2E8 + +#define HHI_SYS_PLL_CNTL1 0x2FC +#define HHI_SYS_PLL_CNTL 0x300 +#define HHI_SYS_PLL_CNTL2 0x304 +#define HHI_SYS_PLL_CNTL3 0x308 +#define HHI_SYS_PLL_CNTL4 0x30c +#define HHI_SYS_PLL_CNTL5 0x310 +#define HHI_SYS_PLL_STS 0x314 +#define HHI_DPLL_TOP_I 0x318 +#define HHI_DPLL_TOP2_I 0x31C + +/* + * CLKID index values + * + * These indices are entirely contrived and do not map onto the hardware. + * It has now been decided to expose everything by default in the DT header: + * include/dt-bindings/clock/axg-clkc.h. Only the clocks ids we don't want + * to expose, such as the internal muxes and dividers of composite clocks, + * will remain defined here. + */ +#define CLKID_MPEG_SEL 8 +#define CLKID_MPEG_DIV 9 +#define CLKID_SD_EMMC_B_CLK0_SEL 61 +#define CLKID_SD_EMMC_B_CLK0_DIV 62 +#define CLKID_SD_EMMC_C_CLK0_SEL 63 +#define CLKID_SD_EMMC_C_CLK0_DIV 64 + +#define NR_CLKS 65 + +/* include the CLKIDs that have been made part of the DT binding */ +#include <dt-bindings/clock/axg-clkc.h> + +#endif /* __AXG_H */ diff --git a/drivers/clk/meson/clk-mpll.c b/drivers/clk/meson/clk-mpll.c index 44a5a535ca63..5144360e2c80 100644 --- a/drivers/clk/meson/clk-mpll.c +++ b/drivers/clk/meson/clk-mpll.c @@ -98,7 +98,7 @@ static void params_from_rate(unsigned long requested_rate, *sdm = SDM_DEN - 1; } else { *n2 = div; - *sdm = DIV_ROUND_UP(rem * SDM_DEN, requested_rate); + *sdm = DIV_ROUND_UP_ULL((u64)rem * SDM_DEN, requested_rate); } } diff --git a/drivers/clk/meson/clkc.h b/drivers/clk/meson/clkc.h index 1629da9b4141..c2ff0520ce53 100644 --- a/drivers/clk/meson/clkc.h +++ b/drivers/clk/meson/clkc.h @@ -134,7 +134,7 @@ struct meson_clk_audio_divider { struct clk_gate _name = { \ .reg = (void __iomem *) _reg, \ .bit_idx = (_bit), \ - .lock = &clk_lock, \ + .lock = &meson_clk_lock, \ .hw.init = &(struct clk_init_data) { \ .name = #_name, \ .ops = &clk_gate_ops, \ diff --git a/drivers/clk/meson/gxbb.c b/drivers/clk/meson/gxbb.c index ae385310e980..af24455af5b4 100644 --- a/drivers/clk/meson/gxbb.c +++ b/drivers/clk/meson/gxbb.c @@ -27,7 +27,7 @@ #include "clkc.h" #include "gxbb.h" -static DEFINE_SPINLOCK(clk_lock); +static DEFINE_SPINLOCK(meson_clk_lock); static const struct pll_rate_table sys_pll_rate_table[] = { PLL_RATE(24000000, 56, 1, 2), @@ -294,7 +294,7 @@ static struct meson_clk_pll gxbb_fixed_pll = { .shift = 16, .width = 2, }, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "fixed_pll", .ops = &meson_clk_pll_ro_ops, @@ -330,7 +330,7 @@ static struct meson_clk_pll gxbb_hdmi_pll = { .shift = 22, .width = 2, }, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "hdmi_pll", .ops = &meson_clk_pll_ro_ops, @@ -358,7 +358,7 @@ static struct meson_clk_pll gxbb_sys_pll = { }, .rate_table = sys_pll_rate_table, .rate_count = ARRAY_SIZE(sys_pll_rate_table), - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "sys_pll", .ops = &meson_clk_pll_ro_ops, @@ -399,7 +399,7 @@ static struct meson_clk_pll gxbb_gp0_pll = { }, .rate_table = gxbb_gp0_pll_rate_table, .rate_count = ARRAY_SIZE(gxbb_gp0_pll_rate_table), - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "gp0_pll", .ops = &meson_clk_pll_ops, @@ -442,7 +442,7 @@ static struct meson_clk_pll gxl_gp0_pll = { }, .rate_table = gxl_gp0_pll_rate_table, .rate_count = ARRAY_SIZE(gxl_gp0_pll_rate_table), - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "gp0_pll", .ops = &meson_clk_pll_ops, @@ -533,7 +533,7 @@ static struct meson_clk_mpll gxbb_mpll0 = { .shift = 25, .width = 1, }, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "mpll0", .ops = &meson_clk_mpll_ops, @@ -563,7 +563,7 @@ static struct meson_clk_mpll gxbb_mpll1 = { .shift = 14, .width = 1, }, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "mpll1", .ops = &meson_clk_mpll_ops, @@ -593,7 +593,7 @@ static struct meson_clk_mpll gxbb_mpll2 = { .shift = 14, .width = 1, }, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "mpll2", .ops = &meson_clk_mpll_ops, @@ -620,7 +620,7 @@ static struct clk_mux gxbb_mpeg_clk_sel = { .shift = 12, .flags = CLK_MUX_READ_ONLY, .table = mux_table_clk81, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "mpeg_clk_sel", .ops = &clk_mux_ro_ops, @@ -639,7 +639,7 @@ static struct clk_divider gxbb_mpeg_clk_div = { .reg = (void *)HHI_MPEG_CLK_CNTL, .shift = 0, .width = 7, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "mpeg_clk_div", .ops = &clk_divider_ops, @@ -653,7 +653,7 @@ static struct clk_divider gxbb_mpeg_clk_div = { static struct clk_gate gxbb_clk81 = { .reg = (void *)HHI_MPEG_CLK_CNTL, .bit_idx = 7, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "clk81", .ops = &clk_gate_ops, @@ -667,7 +667,7 @@ static struct clk_mux gxbb_sar_adc_clk_sel = { .reg = (void *)HHI_SAR_CLK_CNTL, .mask = 0x3, .shift = 9, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "sar_adc_clk_sel", .ops = &clk_mux_ops, @@ -681,7 +681,7 @@ static struct clk_divider gxbb_sar_adc_clk_div = { .reg = (void *)HHI_SAR_CLK_CNTL, .shift = 0, .width = 8, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "sar_adc_clk_div", .ops = &clk_divider_ops, @@ -693,7 +693,7 @@ static struct clk_divider gxbb_sar_adc_clk_div = { static struct clk_gate gxbb_sar_adc_clk = { .reg = (void *)HHI_SAR_CLK_CNTL, .bit_idx = 8, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "sar_adc_clk", .ops = &clk_gate_ops, @@ -719,7 +719,7 @@ static struct clk_mux gxbb_mali_0_sel = { .mask = 0x7, .shift = 9, .table = mux_table_mali_0_1, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "mali_0_sel", .ops = &clk_mux_ops, @@ -738,7 +738,7 @@ static struct clk_divider gxbb_mali_0_div = { .reg = (void *)HHI_MALI_CLK_CNTL, .shift = 0, .width = 7, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "mali_0_div", .ops = &clk_divider_ops, @@ -751,7 +751,7 @@ static struct clk_divider gxbb_mali_0_div = { static struct clk_gate gxbb_mali_0 = { .reg = (void *)HHI_MALI_CLK_CNTL, .bit_idx = 8, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "mali_0", .ops = &clk_gate_ops, @@ -766,7 +766,7 @@ static struct clk_mux gxbb_mali_1_sel = { .mask = 0x7, .shift = 25, .table = mux_table_mali_0_1, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "mali_1_sel", .ops = &clk_mux_ops, @@ -785,7 +785,7 @@ static struct clk_divider gxbb_mali_1_div = { .reg = (void *)HHI_MALI_CLK_CNTL, .shift = 16, .width = 7, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "mali_1_div", .ops = &clk_divider_ops, @@ -798,7 +798,7 @@ static struct clk_divider gxbb_mali_1_div = { static struct clk_gate gxbb_mali_1 = { .reg = (void *)HHI_MALI_CLK_CNTL, .bit_idx = 24, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "mali_1", .ops = &clk_gate_ops, @@ -818,7 +818,7 @@ static struct clk_mux gxbb_mali = { .mask = 1, .shift = 31, .table = mux_table_mali, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "mali", .ops = &clk_mux_ops, @@ -834,7 +834,7 @@ static struct clk_mux gxbb_cts_amclk_sel = { .shift = 9, /* Default parent unknown (register reset value: 0) */ .table = (u32[]){ 1, 2, 3 }, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "cts_amclk_sel", .ops = &clk_mux_ops, @@ -851,7 +851,7 @@ static struct meson_clk_audio_divider gxbb_cts_amclk_div = { .width = 8, }, .flags = CLK_DIVIDER_ROUND_CLOSEST, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "cts_amclk_div", .ops = &meson_clk_audio_divider_ops, @@ -864,7 +864,7 @@ static struct meson_clk_audio_divider gxbb_cts_amclk_div = { static struct clk_gate gxbb_cts_amclk = { .reg = (void *) HHI_AUD_CLK_CNTL, .bit_idx = 8, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "cts_amclk", .ops = &clk_gate_ops, @@ -880,7 +880,7 @@ static struct clk_mux gxbb_cts_mclk_i958_sel = { .shift = 25, /* Default parent unknown (register reset value: 0) */ .table = (u32[]){ 1, 2, 3 }, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data) { .name = "cts_mclk_i958_sel", .ops = &clk_mux_ops, @@ -894,7 +894,7 @@ static struct clk_divider gxbb_cts_mclk_i958_div = { .reg = (void *)HHI_AUD_CLK_CNTL2, .shift = 16, .width = 8, - .lock = &clk_lock, + .lock = &meson_clk_lock, .flags = CLK_DIVIDER_ROUND_CLOSEST, .hw.init = &(struct clk_init_data) { .name = "cts_mclk_i958_div", @@ -908,7 +908,7 @@ static struct clk_divider gxbb_cts_mclk_i958_div = { static struct clk_gate gxbb_cts_mclk_i958 = { .reg = (void *)HHI_AUD_CLK_CNTL2, .bit_idx = 24, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "cts_mclk_i958", .ops = &clk_gate_ops, @@ -922,7 +922,7 @@ static struct clk_mux gxbb_cts_i958 = { .reg = (void *)HHI_AUD_CLK_CNTL2, .mask = 0x1, .shift = 27, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "cts_i958", .ops = &clk_mux_ops, @@ -940,7 +940,7 @@ static struct clk_divider gxbb_32k_clk_div = { .reg = (void *)HHI_32K_CLK_CNTL, .shift = 0, .width = 14, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "32k_clk_div", .ops = &clk_divider_ops, @@ -953,7 +953,7 @@ static struct clk_divider gxbb_32k_clk_div = { static struct clk_gate gxbb_32k_clk = { .reg = (void *)HHI_32K_CLK_CNTL, .bit_idx = 15, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "32k_clk", .ops = &clk_gate_ops, @@ -971,7 +971,7 @@ static struct clk_mux gxbb_32k_clk_sel = { .reg = (void *)HHI_32K_CLK_CNTL, .mask = 0x3, .shift = 16, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "32k_clk_sel", .ops = &clk_mux_ops, @@ -997,7 +997,7 @@ static struct clk_mux gxbb_sd_emmc_a_clk0_sel = { .reg = (void *)HHI_SD_EMMC_CLK_CNTL, .mask = 0x7, .shift = 9, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data) { .name = "sd_emmc_a_clk0_sel", .ops = &clk_mux_ops, @@ -1011,7 +1011,7 @@ static struct clk_divider gxbb_sd_emmc_a_clk0_div = { .reg = (void *)HHI_SD_EMMC_CLK_CNTL, .shift = 0, .width = 7, - .lock = &clk_lock, + .lock = &meson_clk_lock, .flags = CLK_DIVIDER_ROUND_CLOSEST, .hw.init = &(struct clk_init_data) { .name = "sd_emmc_a_clk0_div", @@ -1025,23 +1025,13 @@ static struct clk_divider gxbb_sd_emmc_a_clk0_div = { static struct clk_gate gxbb_sd_emmc_a_clk0 = { .reg = (void *)HHI_SD_EMMC_CLK_CNTL, .bit_idx = 7, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "sd_emmc_a_clk0", .ops = &clk_gate_ops, .parent_names = (const char *[]){ "sd_emmc_a_clk0_div" }, .num_parents = 1, - - /* - * FIXME: - * We need CLK_IGNORE_UNUSED because mmc DT node point to xtal - * instead of this clock. CCF would gate this on boot, killing - * the mmc controller. Please remove this flag once DT properly - * point to this clock instead of xtal - * - * Same goes for emmc B and C clocks - */ - .flags = CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED, + .flags = CLK_SET_RATE_PARENT, }, }; @@ -1050,7 +1040,7 @@ static struct clk_mux gxbb_sd_emmc_b_clk0_sel = { .reg = (void *)HHI_SD_EMMC_CLK_CNTL, .mask = 0x7, .shift = 25, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data) { .name = "sd_emmc_b_clk0_sel", .ops = &clk_mux_ops, @@ -1064,7 +1054,7 @@ static struct clk_divider gxbb_sd_emmc_b_clk0_div = { .reg = (void *)HHI_SD_EMMC_CLK_CNTL, .shift = 16, .width = 7, - .lock = &clk_lock, + .lock = &meson_clk_lock, .flags = CLK_DIVIDER_ROUND_CLOSEST, .hw.init = &(struct clk_init_data) { .name = "sd_emmc_b_clk0_div", @@ -1078,13 +1068,13 @@ static struct clk_divider gxbb_sd_emmc_b_clk0_div = { static struct clk_gate gxbb_sd_emmc_b_clk0 = { .reg = (void *)HHI_SD_EMMC_CLK_CNTL, .bit_idx = 23, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "sd_emmc_b_clk0", .ops = &clk_gate_ops, .parent_names = (const char *[]){ "sd_emmc_b_clk0_div" }, .num_parents = 1, - .flags = CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED, + .flags = CLK_SET_RATE_PARENT, }, }; @@ -1093,7 +1083,7 @@ static struct clk_mux gxbb_sd_emmc_c_clk0_sel = { .reg = (void *)HHI_NAND_CLK_CNTL, .mask = 0x7, .shift = 9, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data) { .name = "sd_emmc_c_clk0_sel", .ops = &clk_mux_ops, @@ -1107,7 +1097,7 @@ static struct clk_divider gxbb_sd_emmc_c_clk0_div = { .reg = (void *)HHI_NAND_CLK_CNTL, .shift = 0, .width = 7, - .lock = &clk_lock, + .lock = &meson_clk_lock, .flags = CLK_DIVIDER_ROUND_CLOSEST, .hw.init = &(struct clk_init_data) { .name = "sd_emmc_c_clk0_div", @@ -1121,13 +1111,13 @@ static struct clk_divider gxbb_sd_emmc_c_clk0_div = { static struct clk_gate gxbb_sd_emmc_c_clk0 = { .reg = (void *)HHI_NAND_CLK_CNTL, .bit_idx = 7, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "sd_emmc_c_clk0", .ops = &clk_gate_ops, .parent_names = (const char *[]){ "sd_emmc_c_clk0_div" }, .num_parents = 1, - .flags = CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED, + .flags = CLK_SET_RATE_PARENT, }, }; @@ -1142,7 +1132,7 @@ static struct clk_mux gxbb_vpu_0_sel = { .reg = (void *)HHI_VPU_CLK_CNTL, .mask = 0x3, .shift = 9, - .lock = &clk_lock, + .lock = &meson_clk_lock, .table = mux_table_vpu, .hw.init = &(struct clk_init_data){ .name = "vpu_0_sel", @@ -1161,7 +1151,7 @@ static struct clk_divider gxbb_vpu_0_div = { .reg = (void *)HHI_VPU_CLK_CNTL, .shift = 0, .width = 7, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "vpu_0_div", .ops = &clk_divider_ops, @@ -1174,7 +1164,7 @@ static struct clk_divider gxbb_vpu_0_div = { static struct clk_gate gxbb_vpu_0 = { .reg = (void *)HHI_VPU_CLK_CNTL, .bit_idx = 8, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data) { .name = "vpu_0", .ops = &clk_gate_ops, @@ -1188,7 +1178,7 @@ static struct clk_mux gxbb_vpu_1_sel = { .reg = (void *)HHI_VPU_CLK_CNTL, .mask = 0x3, .shift = 25, - .lock = &clk_lock, + .lock = &meson_clk_lock, .table = mux_table_vpu, .hw.init = &(struct clk_init_data){ .name = "vpu_1_sel", @@ -1207,7 +1197,7 @@ static struct clk_divider gxbb_vpu_1_div = { .reg = (void *)HHI_VPU_CLK_CNTL, .shift = 16, .width = 7, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "vpu_1_div", .ops = &clk_divider_ops, @@ -1220,7 +1210,7 @@ static struct clk_divider gxbb_vpu_1_div = { static struct clk_gate gxbb_vpu_1 = { .reg = (void *)HHI_VPU_CLK_CNTL, .bit_idx = 24, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data) { .name = "vpu_1", .ops = &clk_gate_ops, @@ -1234,7 +1224,7 @@ static struct clk_mux gxbb_vpu = { .reg = (void *)HHI_VPU_CLK_CNTL, .mask = 1, .shift = 31, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "vpu", .ops = &clk_mux_ops, @@ -1259,7 +1249,7 @@ static struct clk_mux gxbb_vapb_0_sel = { .reg = (void *)HHI_VAPBCLK_CNTL, .mask = 0x3, .shift = 9, - .lock = &clk_lock, + .lock = &meson_clk_lock, .table = mux_table_vapb, .hw.init = &(struct clk_init_data){ .name = "vapb_0_sel", @@ -1278,7 +1268,7 @@ static struct clk_divider gxbb_vapb_0_div = { .reg = (void *)HHI_VAPBCLK_CNTL, .shift = 0, .width = 7, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "vapb_0_div", .ops = &clk_divider_ops, @@ -1291,7 +1281,7 @@ static struct clk_divider gxbb_vapb_0_div = { static struct clk_gate gxbb_vapb_0 = { .reg = (void *)HHI_VAPBCLK_CNTL, .bit_idx = 8, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data) { .name = "vapb_0", .ops = &clk_gate_ops, @@ -1305,7 +1295,7 @@ static struct clk_mux gxbb_vapb_1_sel = { .reg = (void *)HHI_VAPBCLK_CNTL, .mask = 0x3, .shift = 25, - .lock = &clk_lock, + .lock = &meson_clk_lock, .table = mux_table_vapb, .hw.init = &(struct clk_init_data){ .name = "vapb_1_sel", @@ -1324,7 +1314,7 @@ static struct clk_divider gxbb_vapb_1_div = { .reg = (void *)HHI_VAPBCLK_CNTL, .shift = 16, .width = 7, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "vapb_1_div", .ops = &clk_divider_ops, @@ -1337,7 +1327,7 @@ static struct clk_divider gxbb_vapb_1_div = { static struct clk_gate gxbb_vapb_1 = { .reg = (void *)HHI_VAPBCLK_CNTL, .bit_idx = 24, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data) { .name = "vapb_1", .ops = &clk_gate_ops, @@ -1351,7 +1341,7 @@ static struct clk_mux gxbb_vapb_sel = { .reg = (void *)HHI_VAPBCLK_CNTL, .mask = 1, .shift = 31, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "vapb_sel", .ops = &clk_mux_ops, @@ -1368,7 +1358,7 @@ static struct clk_mux gxbb_vapb_sel = { static struct clk_gate gxbb_vapb = { .reg = (void *)HHI_VAPBCLK_CNTL, .bit_idx = 30, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data) { .name = "vapb", .ops = &clk_gate_ops, @@ -1386,7 +1376,7 @@ static MESON_GATE(gxbb_pl301, HHI_GCLK_MPEG0, 6); static MESON_GATE(gxbb_periphs, HHI_GCLK_MPEG0, 7); static MESON_GATE(gxbb_spicc, HHI_GCLK_MPEG0, 8); static MESON_GATE(gxbb_i2c, HHI_GCLK_MPEG0, 9); -static MESON_GATE(gxbb_sar_adc, HHI_GCLK_MPEG0, 10); +static MESON_GATE(gxbb_sana, HHI_GCLK_MPEG0, 10); static MESON_GATE(gxbb_smart_card, HHI_GCLK_MPEG0, 11); static MESON_GATE(gxbb_rng0, HHI_GCLK_MPEG0, 12); static MESON_GATE(gxbb_uart0, HHI_GCLK_MPEG0, 13); @@ -1437,7 +1427,7 @@ static MESON_GATE(gxbb_usb0_ddr_bridge, HHI_GCLK_MPEG2, 9); static MESON_GATE(gxbb_mmc_pclk, HHI_GCLK_MPEG2, 11); static MESON_GATE(gxbb_dvin, HHI_GCLK_MPEG2, 12); static MESON_GATE(gxbb_uart2, HHI_GCLK_MPEG2, 15); -static MESON_GATE(gxbb_sana, HHI_GCLK_MPEG2, 22); +static MESON_GATE(gxbb_sar_adc, HHI_GCLK_MPEG2, 22); static MESON_GATE(gxbb_vpu_intr, HHI_GCLK_MPEG2, 25); static MESON_GATE(gxbb_sec_ahb_ahb3_bridge, HHI_GCLK_MPEG2, 26); static MESON_GATE(gxbb_clk81_a53, HHI_GCLK_MPEG2, 29); diff --git a/drivers/clk/meson/meson8b.c b/drivers/clk/meson/meson8b.c index 20ab7190d328..3ffea80c1308 100644 --- a/drivers/clk/meson/meson8b.c +++ b/drivers/clk/meson/meson8b.c @@ -32,7 +32,7 @@ #include "clkc.h" #include "meson8b.h" -static DEFINE_SPINLOCK(clk_lock); +static DEFINE_SPINLOCK(meson_clk_lock); static void __iomem *clk_base; @@ -136,7 +136,7 @@ static struct meson_clk_pll meson8b_fixed_pll = { .shift = 16, .width = 2, }, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "fixed_pll", .ops = &meson_clk_pll_ro_ops, @@ -162,7 +162,7 @@ static struct meson_clk_pll meson8b_vid_pll = { .shift = 16, .width = 2, }, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "vid_pll", .ops = &meson_clk_pll_ro_ops, @@ -190,7 +190,7 @@ static struct meson_clk_pll meson8b_sys_pll = { }, .rate_table = sys_pll_rate_table, .rate_count = ARRAY_SIZE(sys_pll_rate_table), - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "sys_pll", .ops = &meson_clk_pll_ops, @@ -281,7 +281,7 @@ static struct meson_clk_mpll meson8b_mpll0 = { .shift = 25, .width = 1, }, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "mpll0", .ops = &meson_clk_mpll_ops, @@ -311,7 +311,7 @@ static struct meson_clk_mpll meson8b_mpll1 = { .shift = 14, .width = 1, }, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "mpll1", .ops = &meson_clk_mpll_ops, @@ -341,7 +341,7 @@ static struct meson_clk_mpll meson8b_mpll2 = { .shift = 14, .width = 1, }, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "mpll2", .ops = &meson_clk_mpll_ops, @@ -375,7 +375,7 @@ struct clk_mux meson8b_mpeg_clk_sel = { .shift = 12, .flags = CLK_MUX_READ_ONLY, .table = mux_table_clk81, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "mpeg_clk_sel", .ops = &clk_mux_ro_ops, @@ -395,7 +395,7 @@ struct clk_divider meson8b_mpeg_clk_div = { .reg = (void *)HHI_MPEG_CLK_CNTL, .shift = 0, .width = 7, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "mpeg_clk_div", .ops = &clk_divider_ops, @@ -408,7 +408,7 @@ struct clk_divider meson8b_mpeg_clk_div = { struct clk_gate meson8b_clk81 = { .reg = (void *)HHI_MPEG_CLK_CNTL, .bit_idx = 7, - .lock = &clk_lock, + .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "clk81", .ops = &clk_gate_ops, @@ -773,7 +773,7 @@ static int meson8b_clk_reset_update(struct reset_controller_dev *rcdev, reset = &meson8b_clk_reset_bits[id]; - spin_lock_irqsave(&clk_lock, flags); + spin_lock_irqsave(&meson_clk_lock, flags); val = readl(meson8b_clk_reset->base + reset->reg); if (assert) @@ -782,7 +782,7 @@ static int meson8b_clk_reset_update(struct reset_controller_dev *rcdev, val &= ~BIT(reset->bit_idx); writel(val, meson8b_clk_reset->base + reset->reg); - spin_unlock_irqrestore(&clk_lock, flags); + spin_unlock_irqrestore(&meson_clk_lock, flags); return 0; } diff --git a/drivers/clk/renesas/clk-mstp.c b/drivers/clk/renesas/clk-mstp.c index c944cc421e30..858c24d4da8f 100644 --- a/drivers/clk/renesas/clk-mstp.c +++ b/drivers/clk/renesas/clk-mstp.c @@ -341,7 +341,7 @@ void __init cpg_mstp_add_clk_domain(struct device_node *np) return; pd->name = np->name; - pd->flags = GENPD_FLAG_PM_CLK; + pd->flags = GENPD_FLAG_PM_CLK | GENPD_FLAG_ACTIVE_WAKEUP; pd->attach_dev = cpg_mstp_attach_dev; pd->detach_dev = cpg_mstp_detach_dev; pm_genpd_init(pd, &pm_domain_always_on_gov, false); diff --git a/drivers/clk/renesas/r8a7796-cpg-mssr.c b/drivers/clk/renesas/r8a7796-cpg-mssr.c index b3767472088a..41e29734126b 100644 --- a/drivers/clk/renesas/r8a7796-cpg-mssr.c +++ b/drivers/clk/renesas/r8a7796-cpg-mssr.c @@ -115,6 +115,7 @@ static const struct cpg_core_clk r8a7796_core_clks[] __initconst = { }; static const struct mssr_mod_clk r8a7796_mod_clks[] __initconst = { + DEF_MOD("fdp1-0", 119, R8A7796_CLK_S0D1), DEF_MOD("scif5", 202, R8A7796_CLK_S3D4), DEF_MOD("scif4", 203, R8A7796_CLK_S3D4), DEF_MOD("scif3", 204, R8A7796_CLK_S3D4), diff --git a/drivers/clk/renesas/r8a77970-cpg-mssr.c b/drivers/clk/renesas/r8a77970-cpg-mssr.c index 72f98527473a..f55842917e8d 100644 --- a/drivers/clk/renesas/r8a77970-cpg-mssr.c +++ b/drivers/clk/renesas/r8a77970-cpg-mssr.c @@ -105,6 +105,7 @@ static const struct mssr_mod_clk r8a77970_mod_clks[] __initconst = { DEF_MOD("vspd0", 623, R8A77970_CLK_S2D1), DEF_MOD("csi40", 716, R8A77970_CLK_CSI0), DEF_MOD("du0", 724, R8A77970_CLK_S2D1), + DEF_MOD("lvds", 727, R8A77970_CLK_S2D1), DEF_MOD("vin3", 808, R8A77970_CLK_S2D1), DEF_MOD("vin2", 809, R8A77970_CLK_S2D1), DEF_MOD("vin1", 810, R8A77970_CLK_S2D1), diff --git a/drivers/clk/renesas/renesas-cpg-mssr.c b/drivers/clk/renesas/renesas-cpg-mssr.c index e3d03ffea4bc..e3cc72c81311 100644 --- a/drivers/clk/renesas/renesas-cpg-mssr.c +++ b/drivers/clk/renesas/renesas-cpg-mssr.c @@ -513,7 +513,7 @@ static int __init cpg_mssr_add_clk_domain(struct device *dev, genpd = &pd->genpd; genpd->name = np->name; - genpd->flags = GENPD_FLAG_PM_CLK; + genpd->flags = GENPD_FLAG_PM_CLK | GENPD_FLAG_ACTIVE_WAKEUP; genpd->attach_dev = cpg_mssr_attach_dev; genpd->detach_dev = cpg_mssr_detach_dev; pm_genpd_init(genpd, &pm_domain_always_on_gov, false); diff --git a/drivers/clk/sunxi/clk-factors.c b/drivers/clk/sunxi/clk-factors.c index 856fef65433b..661a73284e9f 100644 --- a/drivers/clk/sunxi/clk-factors.c +++ b/drivers/clk/sunxi/clk-factors.c @@ -176,10 +176,10 @@ static const struct clk_ops clk_factors_ops = { .set_rate = clk_factors_set_rate, }; -struct clk *sunxi_factors_register(struct device_node *node, - const struct factors_data *data, - spinlock_t *lock, - void __iomem *reg) +static struct clk *__sunxi_factors_register(struct device_node *node, + const struct factors_data *data, + spinlock_t *lock, void __iomem *reg, + unsigned long flags) { struct clk *clk; struct clk_factors *factors; @@ -249,7 +249,7 @@ struct clk *sunxi_factors_register(struct device_node *node, parents, i, mux_hw, &clk_mux_ops, &factors->hw, &clk_factors_ops, - gate_hw, &clk_gate_ops, 0); + gate_hw, &clk_gate_ops, CLK_IS_CRITICAL); if (IS_ERR(clk)) goto err_register; @@ -272,6 +272,22 @@ err_factors: return NULL; } +struct clk *sunxi_factors_register(struct device_node *node, + const struct factors_data *data, + spinlock_t *lock, + void __iomem *reg) +{ + return __sunxi_factors_register(node, data, lock, reg, 0); +} + +struct clk *sunxi_factors_register_critical(struct device_node *node, + const struct factors_data *data, + spinlock_t *lock, + void __iomem *reg) +{ + return __sunxi_factors_register(node, data, lock, reg, CLK_IS_CRITICAL); +} + void sunxi_factors_unregister(struct device_node *node, struct clk *clk) { struct clk_hw *hw = __clk_get_hw(clk); diff --git a/drivers/clk/sunxi/clk-factors.h b/drivers/clk/sunxi/clk-factors.h index 824f746b2567..7ad2ca924d0d 100644 --- a/drivers/clk/sunxi/clk-factors.h +++ b/drivers/clk/sunxi/clk-factors.h @@ -55,6 +55,10 @@ struct clk *sunxi_factors_register(struct device_node *node, const struct factors_data *data, spinlock_t *lock, void __iomem *reg); +struct clk *sunxi_factors_register_critical(struct device_node *node, + const struct factors_data *data, + spinlock_t *lock, + void __iomem *reg); void sunxi_factors_unregister(struct device_node *node, struct clk *clk); diff --git a/drivers/clk/sunxi/clk-mod0.c b/drivers/clk/sunxi/clk-mod0.c index 4417ae129ac7..a27c264cc9b4 100644 --- a/drivers/clk/sunxi/clk-mod0.c +++ b/drivers/clk/sunxi/clk-mod0.c @@ -15,7 +15,6 @@ */ #include <linux/clk.h> -#include <linux/clkdev.h> #include <linux/clk-provider.h> #include <linux/of_address.h> #include <linux/platform_device.h> @@ -155,7 +154,6 @@ static DEFINE_SPINLOCK(sun5i_a13_mbus_lock); static void __init sun5i_a13_mbus_setup(struct device_node *node) { - struct clk *mbus; void __iomem *reg; reg = of_iomap(node, 0); @@ -164,12 +162,9 @@ static void __init sun5i_a13_mbus_setup(struct device_node *node) return; } - mbus = sunxi_factors_register(node, &sun4i_a10_mod0_data, - &sun5i_a13_mbus_lock, reg); - /* The MBUS clocks needs to be always enabled */ - __clk_get(mbus); - clk_prepare_enable(mbus); + sunxi_factors_register_critical(node, &sun4i_a10_mod0_data, + &sun5i_a13_mbus_lock, reg); } CLK_OF_DECLARE(sun5i_a13_mbus, "allwinner,sun5i-a13-mbus-clk", sun5i_a13_mbus_setup); diff --git a/drivers/clk/sunxi/clk-sun8i-mbus.c b/drivers/clk/sunxi/clk-sun8i-mbus.c index b200ebf159ee..56db89b6979f 100644 --- a/drivers/clk/sunxi/clk-sun8i-mbus.c +++ b/drivers/clk/sunxi/clk-sun8i-mbus.c @@ -15,7 +15,6 @@ */ #include <linux/clk.h> -#include <linux/clkdev.h> #include <linux/clk-provider.h> #include <linux/slab.h> #include <linux/spinlock.h> @@ -82,11 +81,12 @@ static void __init sun8i_a23_mbus_setup(struct device_node *node) mux->mask = SUN8I_MBUS_MUX_MASK; mux->lock = &sun8i_a23_mbus_lock; + /* The MBUS clocks needs to be always enabled */ clk = clk_register_composite(NULL, clk_name, parents, num_parents, &mux->hw, &clk_mux_ops, &div->hw, &clk_divider_ops, &gate->hw, &clk_gate_ops, - 0); + CLK_IS_CRITICAL); if (IS_ERR(clk)) goto err_free_gate; @@ -95,9 +95,6 @@ static void __init sun8i_a23_mbus_setup(struct device_node *node) goto err_unregister_clk; kfree(parents); /* parents is deep copied */ - /* The MBUS clocks needs to be always enabled */ - __clk_get(clk); - clk_prepare_enable(clk); return; diff --git a/drivers/clk/sunxi/clk-sun9i-core.c b/drivers/clk/sunxi/clk-sun9i-core.c index 43f014f85803..e9295c286d5d 100644 --- a/drivers/clk/sunxi/clk-sun9i-core.c +++ b/drivers/clk/sunxi/clk-sun9i-core.c @@ -15,7 +15,6 @@ */ #include <linux/clk.h> -#include <linux/clkdev.h> #include <linux/clk-provider.h> #include <linux/of.h> #include <linux/of_address.h> @@ -140,7 +139,6 @@ static DEFINE_SPINLOCK(sun9i_a80_gt_lock); static void __init sun9i_a80_gt_setup(struct device_node *node) { void __iomem *reg; - struct clk *gt; reg = of_io_request_and_map(node, 0, of_node_full_name(node)); if (IS_ERR(reg)) { @@ -149,12 +147,9 @@ static void __init sun9i_a80_gt_setup(struct device_node *node) return; } - gt = sunxi_factors_register(node, &sun9i_a80_gt_data, - &sun9i_a80_gt_lock, reg); - /* The GT bus clock needs to be always enabled */ - __clk_get(gt); - clk_prepare_enable(gt); + sunxi_factors_register_critical(node, &sun9i_a80_gt_data, + &sun9i_a80_gt_lock, reg); } CLK_OF_DECLARE(sun9i_a80_gt, "allwinner,sun9i-a80-gt-clk", sun9i_a80_gt_setup); diff --git a/drivers/clk/sunxi/clk-sunxi.c b/drivers/clk/sunxi/clk-sunxi.c index aa4add580516..012714d94b42 100644 --- a/drivers/clk/sunxi/clk-sunxi.c +++ b/drivers/clk/sunxi/clk-sunxi.c @@ -656,7 +656,8 @@ static const struct mux_data sun8i_h3_ahb2_mux_data __initconst = { }; static struct clk * __init sunxi_mux_clk_setup(struct device_node *node, - const struct mux_data *data) + const struct mux_data *data, + unsigned long flags) { struct clk *clk; const char *clk_name = node->name; @@ -678,7 +679,7 @@ static struct clk * __init sunxi_mux_clk_setup(struct device_node *node, } clk = clk_register_mux(NULL, clk_name, parents, i, - CLK_SET_RATE_PARENT, reg, + CLK_SET_RATE_PARENT | flags, reg, data->shift, SUNXI_MUX_GATE_WIDTH, 0, &clk_lock); @@ -703,29 +704,22 @@ out_unmap: static void __init sun4i_cpu_clk_setup(struct device_node *node) { - struct clk *clk; - - clk = sunxi_mux_clk_setup(node, &sun4i_cpu_mux_data); - if (!clk) - return; - /* Protect CPU clock */ - __clk_get(clk); - clk_prepare_enable(clk); + sunxi_mux_clk_setup(node, &sun4i_cpu_mux_data, CLK_IS_CRITICAL); } CLK_OF_DECLARE(sun4i_cpu, "allwinner,sun4i-a10-cpu-clk", sun4i_cpu_clk_setup); static void __init sun6i_ahb1_mux_clk_setup(struct device_node *node) { - sunxi_mux_clk_setup(node, &sun6i_a31_ahb1_mux_data); + sunxi_mux_clk_setup(node, &sun6i_a31_ahb1_mux_data, 0); } CLK_OF_DECLARE(sun6i_ahb1_mux, "allwinner,sun6i-a31-ahb1-mux-clk", sun6i_ahb1_mux_clk_setup); static void __init sun8i_ahb2_clk_setup(struct device_node *node) { - sunxi_mux_clk_setup(node, &sun8i_h3_ahb2_mux_data); + sunxi_mux_clk_setup(node, &sun8i_h3_ahb2_mux_data, 0); } CLK_OF_DECLARE(sun8i_ahb2, "allwinner,sun8i-h3-ahb2-clk", sun8i_ahb2_clk_setup); @@ -900,6 +894,7 @@ struct divs_data { u8 shift; /* otherwise it's a normal divisor with this shift */ u8 pow; /* is it power-of-two based? */ u8 gate; /* is it independently gateable? */ + bool critical; } div[SUNXI_DIVS_MAX_QTY]; }; @@ -915,7 +910,8 @@ static const struct divs_data pll5_divs_data __initconst = { .factors = &sun4i_pll5_data, .ndivs = 2, .div = { - { .shift = 0, .pow = 0, }, /* M, DDR */ + /* Protect PLL5_DDR */ + { .shift = 0, .pow = 0, .critical = true }, /* M, DDR */ { .shift = 16, .pow = 1, }, /* P, other */ /* No output for the base factor clock */ } @@ -1089,7 +1085,9 @@ static struct clk ** __init sunxi_divs_clk_setup(struct device_node *node, NULL, NULL, rate_hw, rate_ops, gate_hw, &clk_gate_ops, - clkflags); + clkflags | + data->div[i].critical ? + CLK_IS_CRITICAL : 0); WARN_ON(IS_ERR(clk_data->clks[i])); } @@ -1117,15 +1115,7 @@ out_unmap: static void __init sun4i_pll5_clk_setup(struct device_node *node) { - struct clk **clks; - - clks = sunxi_divs_clk_setup(node, &pll5_divs_data); - if (!clks) - return; - - /* Protect PLL5_DDR */ - __clk_get(clks[0]); - clk_prepare_enable(clks[0]); + sunxi_divs_clk_setup(node, &pll5_divs_data); } CLK_OF_DECLARE(sun4i_pll5, "allwinner,sun4i-a10-pll5-clk", sun4i_pll5_clk_setup); diff --git a/include/asm-generic/clkdev.h b/include/asm-generic/clkdev.h deleted file mode 100644 index 4ff334749ed5..000000000000 --- a/include/asm-generic/clkdev.h +++ /dev/null @@ -1,30 +0,0 @@ -/* - * include/asm-generic/clkdev.h - * - * Based on the ARM clkdev.h: - * Copyright (C) 2008 Russell King. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Helper for the clk API to assist looking up a struct clk. - */ -#ifndef __ASM_CLKDEV_H -#define __ASM_CLKDEV_H - -#include <linux/slab.h> - -#ifndef CONFIG_COMMON_CLK -struct clk; - -static inline int __clk_get(struct clk *clk) { return 1; } -static inline void __clk_put(struct clk *clk) { } -#endif - -static inline struct clk_lookup_alloc *__clkdev_alloc(size_t size) -{ - return kzalloc(size, GFP_KERNEL); -} - -#endif diff --git a/include/dt-bindings/clock/axg-clkc.h b/include/dt-bindings/clock/axg-clkc.h new file mode 100644 index 000000000000..941ac70e7f30 --- /dev/null +++ b/include/dt-bindings/clock/axg-clkc.h @@ -0,0 +1,71 @@ +/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */ +/* + * Meson-AXG clock tree IDs + * + * Copyright (c) 2017 Amlogic, Inc. All rights reserved. + */ + +#ifndef __AXG_CLKC_H +#define __AXG_CLKC_H + +#define CLKID_SYS_PLL 0 +#define CLKID_FIXED_PLL 1 +#define CLKID_FCLK_DIV2 2 +#define CLKID_FCLK_DIV3 3 +#define CLKID_FCLK_DIV4 4 +#define CLKID_FCLK_DIV5 5 +#define CLKID_FCLK_DIV7 6 +#define CLKID_GP0_PLL 7 +#define CLKID_CLK81 10 +#define CLKID_MPLL0 11 +#define CLKID_MPLL1 12 +#define CLKID_MPLL2 13 +#define CLKID_MPLL3 14 +#define CLKID_DDR 15 +#define CLKID_AUDIO_LOCKER 16 +#define CLKID_MIPI_DSI_HOST 17 +#define CLKID_ISA 18 +#define CLKID_PL301 19 +#define CLKID_PERIPHS 20 +#define CLKID_SPICC0 21 +#define CLKID_I2C 22 +#define CLKID_RNG0 23 +#define CLKID_UART0 24 +#define CLKID_MIPI_DSI_PHY 25 +#define CLKID_SPICC1 26 +#define CLKID_PCIE_A 27 +#define CLKID_PCIE_B 28 +#define CLKID_HIU_IFACE 29 +#define CLKID_ASSIST_MISC 30 +#define CLKID_SD_EMMC_B 31 +#define CLKID_SD_EMMC_C 32 +#define CLKID_DMA 33 +#define CLKID_SPI 34 +#define CLKID_AUDIO 35 +#define CLKID_ETH 36 +#define CLKID_UART1 37 +#define CLKID_G2D 38 +#define CLKID_USB0 39 +#define CLKID_USB1 40 +#define CLKID_RESET 41 +#define CLKID_USB 42 +#define CLKID_AHB_ARB0 43 +#define CLKID_EFUSE 44 +#define CLKID_BOOT_ROM 45 +#define CLKID_AHB_DATA_BUS 46 +#define CLKID_AHB_CTRL_BUS 47 +#define CLKID_USB1_DDR_BRIDGE 48 +#define CLKID_USB0_DDR_BRIDGE 49 +#define CLKID_MMC_PCLK 50 +#define CLKID_VPU_INTR 51 +#define CLKID_SEC_AHB_AHB3_BRIDGE 52 +#define CLKID_GIC 53 +#define CLKID_AO_MEDIA_CPU 54 +#define CLKID_AO_AHB_SRAM 55 +#define CLKID_AO_AHB_BUS 56 +#define CLKID_AO_IFACE 57 +#define CLKID_AO_I2C 58 +#define CLKID_SD_EMMC_B_CLK0 59 +#define CLKID_SD_EMMC_C_CLK0 60 + +#endif /* __AXG_CLKC_H */ diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h index 175a62a15619..f711be6e8c44 100644 --- a/include/linux/clk-provider.h +++ b/include/linux/clk-provider.h @@ -20,6 +20,8 @@ * flags used across common struct clk. these flags should only affect the * top-level framework. custom flags for dealing with hardware specifics * belong in struct clk_foo + * + * Please update clk_flags[] in drivers/clk/clk.c when making changes here! */ #define CLK_SET_RATE_GATE BIT(0) /* must be gated across rate change */ #define CLK_SET_PARENT_GATE BIT(1) /* must be gated across re-parent */ diff --git a/include/linux/clkdev.h b/include/linux/clkdev.h index 2eabc862abdb..4890ff033220 100644 --- a/include/linux/clkdev.h +++ b/include/linux/clkdev.h @@ -12,7 +12,7 @@ #ifndef __CLKDEV_H #define __CLKDEV_H -#include <asm/clkdev.h> +#include <linux/slab.h> struct clk; struct clk_hw; @@ -52,9 +52,4 @@ int clk_add_alias(const char *, const char *, const char *, struct device *); int clk_register_clkdev(struct clk *, const char *, const char *); int clk_hw_register_clkdev(struct clk_hw *, const char *, const char *); -#ifdef CONFIG_COMMON_CLK -int __clk_get(struct clk *clk); -void __clk_put(struct clk *clk); -#endif - #endif |