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authorStephen Boyd <sboyd@codeaurora.org>2015-10-21 17:28:19 -0700
committerStephen Boyd <sboyd@codeaurora.org>2015-10-21 17:28:19 -0700
commitf63d19ef52aa66e97fca2425974845177ce02b0a (patch)
tree53ec668d90828b5a4144ef445df347e6fea19ae5 /drivers/clk
parent938ce30e29dcb8ca0b1bf375305485ed17f40062 (diff)
parent0064c862340626400a56d72e5e86f01ef0d5a498 (diff)
downloadlinux-f63d19ef52aa66e97fca2425974845177ce02b0a.tar.bz2
Merge branch 'clk-iproc' into clk-next
* clk-iproc: clk: iproc: define Broadcom NS2 iProc clock binding clk: iproc: define Broadcom NSP iProc clock binding clk: ns2: add clock support for Broadcom Northstar 2 SoC clk: iproc: Separate status and control variables clk: iproc: Split off dig_filter clk: iproc: Add PLL base write function clk: nsp: add clock support for Broadcom Northstar Plus SoC clk: iproc: Add PWRCTRL support clk: cygnus: Convert all macros to all caps ARM: cygnus: fix link failures when CONFIG_COMMON_CLK_IPROC is disabled
Diffstat (limited to 'drivers/clk')
-rw-r--r--drivers/clk/Makefile2
-rw-r--r--drivers/clk/bcm/Kconfig4
-rw-r--r--drivers/clk/bcm/Makefile3
-rw-r--r--drivers/clk/bcm/clk-cygnus.c155
-rw-r--r--drivers/clk/bcm/clk-iproc-pll.c183
-rw-r--r--drivers/clk/bcm/clk-iproc.h22
-rw-r--r--drivers/clk/bcm/clk-ns2.c288
-rw-r--r--drivers/clk/bcm/clk-nsp.c139
8 files changed, 638 insertions, 158 deletions
diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile
index 58fd167c462a..d3e1910eebab 100644
--- a/drivers/clk/Makefile
+++ b/drivers/clk/Makefile
@@ -48,7 +48,7 @@ obj-$(CONFIG_COMMON_CLK_WM831X) += clk-wm831x.o
obj-$(CONFIG_COMMON_CLK_XGENE) += clk-xgene.o
obj-$(CONFIG_COMMON_CLK_PWM) += clk-pwm.o
obj-$(CONFIG_COMMON_CLK_AT91) += at91/
-obj-$(CONFIG_ARCH_BCM) += bcm/
+obj-y += bcm/
obj-$(CONFIG_ARCH_BERLIN) += berlin/
obj-$(CONFIG_ARCH_HISI) += hisilicon/
obj-$(CONFIG_ARCH_MXC) += imx/
diff --git a/drivers/clk/bcm/Kconfig b/drivers/clk/bcm/Kconfig
index 561e9dc6d40d..85260fb96b36 100644
--- a/drivers/clk/bcm/Kconfig
+++ b/drivers/clk/bcm/Kconfig
@@ -9,10 +9,8 @@ config CLK_BCM_KONA
in the BCM281xx and BCM21664 families.
config COMMON_CLK_IPROC
- bool "Broadcom iProc clock support"
- depends on ARCH_BCM_IPROC || COMPILE_TEST
+ bool
depends on COMMON_CLK
- default ARCH_BCM_IPROC
help
Enable common clock framework support for Broadcom SoCs
based on the iProc architecture
diff --git a/drivers/clk/bcm/Makefile b/drivers/clk/bcm/Makefile
index ee2349bbe1f1..3fc95060d875 100644
--- a/drivers/clk/bcm/Makefile
+++ b/drivers/clk/bcm/Makefile
@@ -4,4 +4,7 @@ obj-$(CONFIG_CLK_BCM_KONA) += clk-bcm281xx.o
obj-$(CONFIG_CLK_BCM_KONA) += clk-bcm21664.o
obj-$(CONFIG_COMMON_CLK_IPROC) += clk-iproc-armpll.o clk-iproc-pll.o clk-iproc-asiu.o
obj-$(CONFIG_ARCH_BCM2835) += clk-bcm2835.o
+obj-$(CONFIG_COMMON_CLK_IPROC) += clk-ns2.o
obj-$(CONFIG_ARCH_BCM_CYGNUS) += clk-cygnus.o
+obj-$(CONFIG_ARCH_BCM_NSP) += clk-nsp.o
+obj-$(CONFIG_ARCH_BCM_5301X) += clk-nsp.o
diff --git a/drivers/clk/bcm/clk-cygnus.c b/drivers/clk/bcm/clk-cygnus.c
index 316c60337661..3a228b6d4fee 100644
--- a/drivers/clk/bcm/clk-cygnus.c
+++ b/drivers/clk/bcm/clk-cygnus.c
@@ -23,28 +23,30 @@
#include <dt-bindings/clock/bcm-cygnus.h>
#include "clk-iproc.h"
-#define reg_val(o, s, w) { .offset = o, .shift = s, .width = w, }
+#define REG_VAL(o, s, w) { .offset = o, .shift = s, .width = w, }
-#define aon_val(o, pw, ps, is) { .offset = o, .pwr_width = pw, \
+#define AON_VAL(o, pw, ps, is) { .offset = o, .pwr_width = pw, \
.pwr_shift = ps, .iso_shift = is }
-#define sw_ctrl_val(o, s) { .offset = o, .shift = s, }
+#define SW_CTRL_VAL(o, s) { .offset = o, .shift = s, }
-#define asiu_div_val(o, es, hs, hw, ls, lw) \
+#define ASIU_DIV_VAL(o, es, hs, hw, ls, lw) \
{ .offset = o, .en_shift = es, .high_shift = hs, \
.high_width = hw, .low_shift = ls, .low_width = lw }
-#define reset_val(o, rs, prs, kis, kiw, kps, kpw, kas, kaw) { .offset = o, \
- .reset_shift = rs, .p_reset_shift = prs, .ki_shift = kis, \
- .ki_width = kiw, .kp_shift = kps, .kp_width = kpw, .ka_shift = kas, \
+#define RESET_VAL(o, rs, prs) { .offset = o, .reset_shift = rs, \
+ .p_reset_shift = prs }
+
+#define DF_VAL(o, kis, kiw, kps, kpw, kas, kaw) { .offset = o, .ki_shift = kis,\
+ .ki_width = kiw, .kp_shift = kps, .kp_width = kpw, .ka_shift = kas, \
.ka_width = kaw }
-#define vco_ctrl_val(uo, lo) { .u_offset = uo, .l_offset = lo }
+#define VCO_CTRL_VAL(uo, lo) { .u_offset = uo, .l_offset = lo }
-#define enable_val(o, es, hs, bs) { .offset = o, .enable_shift = es, \
+#define ENABLE_VAL(o, es, hs, bs) { .offset = o, .enable_shift = es, \
.hold_shift = hs, .bypass_shift = bs }
-#define asiu_gate_val(o, es) { .offset = o, .en_shift = es }
+#define ASIU_GATE_VAL(o, es) { .offset = o, .en_shift = es }
static void __init cygnus_armpll_init(struct device_node *node)
{
@@ -55,52 +57,53 @@ CLK_OF_DECLARE(cygnus_armpll, "brcm,cygnus-armpll", cygnus_armpll_init);
static const struct iproc_pll_ctrl genpll = {
.flags = IPROC_CLK_AON | IPROC_CLK_PLL_HAS_NDIV_FRAC |
IPROC_CLK_PLL_NEEDS_SW_CFG,
- .aon = aon_val(0x0, 2, 1, 0),
- .reset = reset_val(0x0, 11, 10, 4, 3, 0, 4, 7, 3),
- .sw_ctrl = sw_ctrl_val(0x10, 31),
- .ndiv_int = reg_val(0x10, 20, 10),
- .ndiv_frac = reg_val(0x10, 0, 20),
- .pdiv = reg_val(0x14, 0, 4),
- .vco_ctrl = vco_ctrl_val(0x18, 0x1c),
- .status = reg_val(0x28, 12, 1),
+ .aon = AON_VAL(0x0, 2, 1, 0),
+ .reset = RESET_VAL(0x0, 11, 10),
+ .dig_filter = DF_VAL(0x0, 4, 3, 0, 4, 7, 3),
+ .sw_ctrl = SW_CTRL_VAL(0x10, 31),
+ .ndiv_int = REG_VAL(0x10, 20, 10),
+ .ndiv_frac = REG_VAL(0x10, 0, 20),
+ .pdiv = REG_VAL(0x14, 0, 4),
+ .vco_ctrl = VCO_CTRL_VAL(0x18, 0x1c),
+ .status = REG_VAL(0x28, 12, 1),
};
static const struct iproc_clk_ctrl genpll_clk[] = {
[BCM_CYGNUS_GENPLL_AXI21_CLK] = {
.channel = BCM_CYGNUS_GENPLL_AXI21_CLK,
.flags = IPROC_CLK_AON,
- .enable = enable_val(0x4, 6, 0, 12),
- .mdiv = reg_val(0x20, 0, 8),
+ .enable = ENABLE_VAL(0x4, 6, 0, 12),
+ .mdiv = REG_VAL(0x20, 0, 8),
},
[BCM_CYGNUS_GENPLL_250MHZ_CLK] = {
.channel = BCM_CYGNUS_GENPLL_250MHZ_CLK,
.flags = IPROC_CLK_AON,
- .enable = enable_val(0x4, 7, 1, 13),
- .mdiv = reg_val(0x20, 10, 8),
+ .enable = ENABLE_VAL(0x4, 7, 1, 13),
+ .mdiv = REG_VAL(0x20, 10, 8),
},
[BCM_CYGNUS_GENPLL_IHOST_SYS_CLK] = {
.channel = BCM_CYGNUS_GENPLL_IHOST_SYS_CLK,
.flags = IPROC_CLK_AON,
- .enable = enable_val(0x4, 8, 2, 14),
- .mdiv = reg_val(0x20, 20, 8),
+ .enable = ENABLE_VAL(0x4, 8, 2, 14),
+ .mdiv = REG_VAL(0x20, 20, 8),
},
[BCM_CYGNUS_GENPLL_ENET_SW_CLK] = {
.channel = BCM_CYGNUS_GENPLL_ENET_SW_CLK,
.flags = IPROC_CLK_AON,
- .enable = enable_val(0x4, 9, 3, 15),
- .mdiv = reg_val(0x24, 0, 8),
+ .enable = ENABLE_VAL(0x4, 9, 3, 15),
+ .mdiv = REG_VAL(0x24, 0, 8),
},
[BCM_CYGNUS_GENPLL_AUDIO_125_CLK] = {
.channel = BCM_CYGNUS_GENPLL_AUDIO_125_CLK,
.flags = IPROC_CLK_AON,
- .enable = enable_val(0x4, 10, 4, 16),
- .mdiv = reg_val(0x24, 10, 8),
+ .enable = ENABLE_VAL(0x4, 10, 4, 16),
+ .mdiv = REG_VAL(0x24, 10, 8),
},
[BCM_CYGNUS_GENPLL_CAN_CLK] = {
.channel = BCM_CYGNUS_GENPLL_CAN_CLK,
.flags = IPROC_CLK_AON,
- .enable = enable_val(0x4, 11, 5, 17),
- .mdiv = reg_val(0x24, 20, 8),
+ .enable = ENABLE_VAL(0x4, 11, 5, 17),
+ .mdiv = REG_VAL(0x24, 20, 8),
},
};
@@ -113,51 +116,52 @@ CLK_OF_DECLARE(cygnus_genpll, "brcm,cygnus-genpll", cygnus_genpll_clk_init);
static const struct iproc_pll_ctrl lcpll0 = {
.flags = IPROC_CLK_AON | IPROC_CLK_PLL_NEEDS_SW_CFG,
- .aon = aon_val(0x0, 2, 5, 4),
- .reset = reset_val(0x0, 31, 30, 27, 3, 23, 4, 19, 4),
- .sw_ctrl = sw_ctrl_val(0x4, 31),
- .ndiv_int = reg_val(0x4, 16, 10),
- .pdiv = reg_val(0x4, 26, 4),
- .vco_ctrl = vco_ctrl_val(0x10, 0x14),
- .status = reg_val(0x18, 12, 1),
+ .aon = AON_VAL(0x0, 2, 5, 4),
+ .reset = RESET_VAL(0x0, 31, 30),
+ .dig_filter = DF_VAL(0x0, 27, 3, 23, 4, 19, 4),
+ .sw_ctrl = SW_CTRL_VAL(0x4, 31),
+ .ndiv_int = REG_VAL(0x4, 16, 10),
+ .pdiv = REG_VAL(0x4, 26, 4),
+ .vco_ctrl = VCO_CTRL_VAL(0x10, 0x14),
+ .status = REG_VAL(0x18, 12, 1),
};
static const struct iproc_clk_ctrl lcpll0_clk[] = {
[BCM_CYGNUS_LCPLL0_PCIE_PHY_REF_CLK] = {
.channel = BCM_CYGNUS_LCPLL0_PCIE_PHY_REF_CLK,
.flags = IPROC_CLK_AON,
- .enable = enable_val(0x0, 7, 1, 13),
- .mdiv = reg_val(0x8, 0, 8),
+ .enable = ENABLE_VAL(0x0, 7, 1, 13),
+ .mdiv = REG_VAL(0x8, 0, 8),
},
[BCM_CYGNUS_LCPLL0_DDR_PHY_CLK] = {
.channel = BCM_CYGNUS_LCPLL0_DDR_PHY_CLK,
.flags = IPROC_CLK_AON,
- .enable = enable_val(0x0, 8, 2, 14),
- .mdiv = reg_val(0x8, 10, 8),
+ .enable = ENABLE_VAL(0x0, 8, 2, 14),
+ .mdiv = REG_VAL(0x8, 10, 8),
},
[BCM_CYGNUS_LCPLL0_SDIO_CLK] = {
.channel = BCM_CYGNUS_LCPLL0_SDIO_CLK,
.flags = IPROC_CLK_AON,
- .enable = enable_val(0x0, 9, 3, 15),
- .mdiv = reg_val(0x8, 20, 8),
+ .enable = ENABLE_VAL(0x0, 9, 3, 15),
+ .mdiv = REG_VAL(0x8, 20, 8),
},
[BCM_CYGNUS_LCPLL0_USB_PHY_REF_CLK] = {
.channel = BCM_CYGNUS_LCPLL0_USB_PHY_REF_CLK,
.flags = IPROC_CLK_AON,
- .enable = enable_val(0x0, 10, 4, 16),
- .mdiv = reg_val(0xc, 0, 8),
+ .enable = ENABLE_VAL(0x0, 10, 4, 16),
+ .mdiv = REG_VAL(0xc, 0, 8),
},
[BCM_CYGNUS_LCPLL0_SMART_CARD_CLK] = {
.channel = BCM_CYGNUS_LCPLL0_SMART_CARD_CLK,
.flags = IPROC_CLK_AON,
- .enable = enable_val(0x0, 11, 5, 17),
- .mdiv = reg_val(0xc, 10, 8),
+ .enable = ENABLE_VAL(0x0, 11, 5, 17),
+ .mdiv = REG_VAL(0xc, 10, 8),
},
[BCM_CYGNUS_LCPLL0_CH5_UNUSED] = {
.channel = BCM_CYGNUS_LCPLL0_CH5_UNUSED,
.flags = IPROC_CLK_AON,
- .enable = enable_val(0x0, 12, 6, 18),
- .mdiv = reg_val(0xc, 20, 8),
+ .enable = ENABLE_VAL(0x0, 12, 6, 18),
+ .mdiv = REG_VAL(0xc, 20, 8),
},
};
@@ -189,52 +193,53 @@ static const struct iproc_pll_vco_param mipipll_vco_params[] = {
static const struct iproc_pll_ctrl mipipll = {
.flags = IPROC_CLK_PLL_ASIU | IPROC_CLK_PLL_HAS_NDIV_FRAC |
IPROC_CLK_NEEDS_READ_BACK,
- .aon = aon_val(0x0, 4, 17, 16),
- .asiu = asiu_gate_val(0x0, 3),
- .reset = reset_val(0x0, 11, 10, 4, 3, 0, 4, 7, 4),
- .ndiv_int = reg_val(0x10, 20, 10),
- .ndiv_frac = reg_val(0x10, 0, 20),
- .pdiv = reg_val(0x14, 0, 4),
- .vco_ctrl = vco_ctrl_val(0x18, 0x1c),
- .status = reg_val(0x28, 12, 1),
+ .aon = AON_VAL(0x0, 4, 17, 16),
+ .asiu = ASIU_GATE_VAL(0x0, 3),
+ .reset = RESET_VAL(0x0, 11, 10),
+ .dig_filter = DF_VAL(0x0, 4, 3, 0, 4, 7, 4),
+ .ndiv_int = REG_VAL(0x10, 20, 10),
+ .ndiv_frac = REG_VAL(0x10, 0, 20),
+ .pdiv = REG_VAL(0x14, 0, 4),
+ .vco_ctrl = VCO_CTRL_VAL(0x18, 0x1c),
+ .status = REG_VAL(0x28, 12, 1),
};
static const struct iproc_clk_ctrl mipipll_clk[] = {
[BCM_CYGNUS_MIPIPLL_CH0_UNUSED] = {
.channel = BCM_CYGNUS_MIPIPLL_CH0_UNUSED,
.flags = IPROC_CLK_NEEDS_READ_BACK,
- .enable = enable_val(0x4, 12, 6, 18),
- .mdiv = reg_val(0x20, 0, 8),
+ .enable = ENABLE_VAL(0x4, 12, 6, 18),
+ .mdiv = REG_VAL(0x20, 0, 8),
},
[BCM_CYGNUS_MIPIPLL_CH1_LCD] = {
.channel = BCM_CYGNUS_MIPIPLL_CH1_LCD,
.flags = IPROC_CLK_NEEDS_READ_BACK,
- .enable = enable_val(0x4, 13, 7, 19),
- .mdiv = reg_val(0x20, 10, 8),
+ .enable = ENABLE_VAL(0x4, 13, 7, 19),
+ .mdiv = REG_VAL(0x20, 10, 8),
},
[BCM_CYGNUS_MIPIPLL_CH2_V3D] = {
.channel = BCM_CYGNUS_MIPIPLL_CH2_V3D,
.flags = IPROC_CLK_NEEDS_READ_BACK,
- .enable = enable_val(0x4, 14, 8, 20),
- .mdiv = reg_val(0x20, 20, 8),
+ .enable = ENABLE_VAL(0x4, 14, 8, 20),
+ .mdiv = REG_VAL(0x20, 20, 8),
},
[BCM_CYGNUS_MIPIPLL_CH3_UNUSED] = {
.channel = BCM_CYGNUS_MIPIPLL_CH3_UNUSED,
.flags = IPROC_CLK_NEEDS_READ_BACK,
- .enable = enable_val(0x4, 15, 9, 21),
- .mdiv = reg_val(0x24, 0, 8),
+ .enable = ENABLE_VAL(0x4, 15, 9, 21),
+ .mdiv = REG_VAL(0x24, 0, 8),
},
[BCM_CYGNUS_MIPIPLL_CH4_UNUSED] = {
.channel = BCM_CYGNUS_MIPIPLL_CH4_UNUSED,
.flags = IPROC_CLK_NEEDS_READ_BACK,
- .enable = enable_val(0x4, 16, 10, 22),
- .mdiv = reg_val(0x24, 10, 8),
+ .enable = ENABLE_VAL(0x4, 16, 10, 22),
+ .mdiv = REG_VAL(0x24, 10, 8),
},
[BCM_CYGNUS_MIPIPLL_CH5_UNUSED] = {
.channel = BCM_CYGNUS_MIPIPLL_CH5_UNUSED,
.flags = IPROC_CLK_NEEDS_READ_BACK,
- .enable = enable_val(0x4, 17, 11, 23),
- .mdiv = reg_val(0x24, 20, 8),
+ .enable = ENABLE_VAL(0x4, 17, 11, 23),
+ .mdiv = REG_VAL(0x24, 20, 8),
},
};
@@ -247,15 +252,15 @@ static void __init cygnus_mipipll_clk_init(struct device_node *node)
CLK_OF_DECLARE(cygnus_mipipll, "brcm,cygnus-mipipll", cygnus_mipipll_clk_init);
static const struct iproc_asiu_div asiu_div[] = {
- [BCM_CYGNUS_ASIU_KEYPAD_CLK] = asiu_div_val(0x0, 31, 16, 10, 0, 10),
- [BCM_CYGNUS_ASIU_ADC_CLK] = asiu_div_val(0x4, 31, 16, 10, 0, 10),
- [BCM_CYGNUS_ASIU_PWM_CLK] = asiu_div_val(0x8, 31, 16, 10, 0, 10),
+ [BCM_CYGNUS_ASIU_KEYPAD_CLK] = ASIU_DIV_VAL(0x0, 31, 16, 10, 0, 10),
+ [BCM_CYGNUS_ASIU_ADC_CLK] = ASIU_DIV_VAL(0x4, 31, 16, 10, 0, 10),
+ [BCM_CYGNUS_ASIU_PWM_CLK] = ASIU_DIV_VAL(0x8, 31, 16, 10, 0, 10),
};
static const struct iproc_asiu_gate asiu_gate[] = {
- [BCM_CYGNUS_ASIU_KEYPAD_CLK] = asiu_gate_val(0x0, 7),
- [BCM_CYGNUS_ASIU_ADC_CLK] = asiu_gate_val(0x0, 9),
- [BCM_CYGNUS_ASIU_PWM_CLK] = asiu_gate_val(IPROC_CLK_INVALID_OFFSET, 0),
+ [BCM_CYGNUS_ASIU_KEYPAD_CLK] = ASIU_GATE_VAL(0x0, 7),
+ [BCM_CYGNUS_ASIU_ADC_CLK] = ASIU_GATE_VAL(0x0, 9),
+ [BCM_CYGNUS_ASIU_PWM_CLK] = ASIU_GATE_VAL(IPROC_CLK_INVALID_OFFSET, 0),
};
static void __init cygnus_asiu_init(struct device_node *node)
diff --git a/drivers/clk/bcm/clk-iproc-pll.c b/drivers/clk/bcm/clk-iproc-pll.c
index d679ab869653..afd5891ac9e6 100644
--- a/drivers/clk/bcm/clk-iproc-pll.c
+++ b/drivers/clk/bcm/clk-iproc-pll.c
@@ -74,7 +74,8 @@ struct iproc_clk {
};
struct iproc_pll {
- void __iomem *pll_base;
+ void __iomem *status_base;
+ void __iomem *control_base;
void __iomem *pwr_base;
void __iomem *asiu_base;
@@ -127,7 +128,7 @@ static int pll_wait_for_lock(struct iproc_pll *pll)
const struct iproc_pll_ctrl *ctrl = pll->ctrl;
for (i = 0; i < LOCK_DELAY; i++) {
- u32 val = readl(pll->pll_base + ctrl->status.offset);
+ u32 val = readl(pll->status_base + ctrl->status.offset);
if (val & (1 << ctrl->status.shift))
return 0;
@@ -137,6 +138,18 @@ static int pll_wait_for_lock(struct iproc_pll *pll)
return -EIO;
}
+static void iproc_pll_write(const struct iproc_pll *pll, void __iomem *base,
+ const u32 offset, u32 val)
+{
+ const struct iproc_pll_ctrl *ctrl = pll->ctrl;
+
+ writel(val, base + offset);
+
+ if (unlikely(ctrl->flags & IPROC_CLK_NEEDS_READ_BACK &&
+ (base == pll->status_base || base == pll->control_base)))
+ val = readl(base + offset);
+}
+
static void __pll_disable(struct iproc_pll *pll)
{
const struct iproc_pll_ctrl *ctrl = pll->ctrl;
@@ -145,17 +158,25 @@ static void __pll_disable(struct iproc_pll *pll)
if (ctrl->flags & IPROC_CLK_PLL_ASIU) {
val = readl(pll->asiu_base + ctrl->asiu.offset);
val &= ~(1 << ctrl->asiu.en_shift);
- writel(val, pll->asiu_base + ctrl->asiu.offset);
+ iproc_pll_write(pll, pll->asiu_base, ctrl->asiu.offset, val);
+ }
+
+ if (ctrl->flags & IPROC_CLK_EMBED_PWRCTRL) {
+ val = readl(pll->control_base + ctrl->aon.offset);
+ val |= bit_mask(ctrl->aon.pwr_width) << ctrl->aon.pwr_shift;
+ iproc_pll_write(pll, pll->control_base, ctrl->aon.offset, val);
}
- /* latch input value so core power can be shut down */
- val = readl(pll->pwr_base + ctrl->aon.offset);
- val |= (1 << ctrl->aon.iso_shift);
- writel(val, pll->pwr_base + ctrl->aon.offset);
+ if (pll->pwr_base) {
+ /* latch input value so core power can be shut down */
+ val = readl(pll->pwr_base + ctrl->aon.offset);
+ val |= 1 << ctrl->aon.iso_shift;
+ iproc_pll_write(pll, pll->pwr_base, ctrl->aon.offset, val);
- /* power down the core */
- val &= ~(bit_mask(ctrl->aon.pwr_width) << ctrl->aon.pwr_shift);
- writel(val, pll->pwr_base + ctrl->aon.offset);
+ /* power down the core */
+ val &= ~(bit_mask(ctrl->aon.pwr_width) << ctrl->aon.pwr_shift);
+ iproc_pll_write(pll, pll->pwr_base, ctrl->aon.offset, val);
+ }
}
static int __pll_enable(struct iproc_pll *pll)
@@ -163,17 +184,25 @@ static int __pll_enable(struct iproc_pll *pll)
const struct iproc_pll_ctrl *ctrl = pll->ctrl;
u32 val;
- /* power up the PLL and make sure it's not latched */
- val = readl(pll->pwr_base + ctrl->aon.offset);
- val |= bit_mask(ctrl->aon.pwr_width) << ctrl->aon.pwr_shift;
- val &= ~(1 << ctrl->aon.iso_shift);
- writel(val, pll->pwr_base + ctrl->aon.offset);
+ if (ctrl->flags & IPROC_CLK_EMBED_PWRCTRL) {
+ val = readl(pll->control_base + ctrl->aon.offset);
+ val &= ~(bit_mask(ctrl->aon.pwr_width) << ctrl->aon.pwr_shift);
+ iproc_pll_write(pll, pll->control_base, ctrl->aon.offset, val);
+ }
+
+ if (pll->pwr_base) {
+ /* power up the PLL and make sure it's not latched */
+ val = readl(pll->pwr_base + ctrl->aon.offset);
+ val |= bit_mask(ctrl->aon.pwr_width) << ctrl->aon.pwr_shift;
+ val &= ~(1 << ctrl->aon.iso_shift);
+ iproc_pll_write(pll, pll->pwr_base, ctrl->aon.offset, val);
+ }
/* certain PLLs also need to be ungated from the ASIU top level */
if (ctrl->flags & IPROC_CLK_PLL_ASIU) {
val = readl(pll->asiu_base + ctrl->asiu.offset);
val |= (1 << ctrl->asiu.en_shift);
- writel(val, pll->asiu_base + ctrl->asiu.offset);
+ iproc_pll_write(pll, pll->asiu_base, ctrl->asiu.offset, val);
}
return 0;
@@ -185,11 +214,9 @@ static void __pll_put_in_reset(struct iproc_pll *pll)
const struct iproc_pll_ctrl *ctrl = pll->ctrl;
const struct iproc_pll_reset_ctrl *reset = &ctrl->reset;
- val = readl(pll->pll_base + reset->offset);
+ val = readl(pll->control_base + reset->offset);
val &= ~(1 << reset->reset_shift | 1 << reset->p_reset_shift);
- writel(val, pll->pll_base + reset->offset);
- if (unlikely(ctrl->flags & IPROC_CLK_NEEDS_READ_BACK))
- readl(pll->pll_base + reset->offset);
+ iproc_pll_write(pll, pll->control_base, reset->offset, val);
}
static void __pll_bring_out_reset(struct iproc_pll *pll, unsigned int kp,
@@ -198,17 +225,19 @@ static void __pll_bring_out_reset(struct iproc_pll *pll, unsigned int kp,
u32 val;
const struct iproc_pll_ctrl *ctrl = pll->ctrl;
const struct iproc_pll_reset_ctrl *reset = &ctrl->reset;
+ const struct iproc_pll_dig_filter_ctrl *dig_filter = &ctrl->dig_filter;
- val = readl(pll->pll_base + reset->offset);
- val &= ~(bit_mask(reset->ki_width) << reset->ki_shift |
- bit_mask(reset->kp_width) << reset->kp_shift |
- bit_mask(reset->ka_width) << reset->ka_shift);
- val |= ki << reset->ki_shift | kp << reset->kp_shift |
- ka << reset->ka_shift;
+ val = readl(pll->control_base + dig_filter->offset);
+ val &= ~(bit_mask(dig_filter->ki_width) << dig_filter->ki_shift |
+ bit_mask(dig_filter->kp_width) << dig_filter->kp_shift |
+ bit_mask(dig_filter->ka_width) << dig_filter->ka_shift);
+ val |= ki << dig_filter->ki_shift | kp << dig_filter->kp_shift |
+ ka << dig_filter->ka_shift;
+ iproc_pll_write(pll, pll->control_base, dig_filter->offset, val);
+
+ val = readl(pll->control_base + reset->offset);
val |= 1 << reset->reset_shift | 1 << reset->p_reset_shift;
- writel(val, pll->pll_base + reset->offset);
- if (unlikely(ctrl->flags & IPROC_CLK_NEEDS_READ_BACK))
- readl(pll->pll_base + reset->offset);
+ iproc_pll_write(pll, pll->control_base, reset->offset, val);
}
static int pll_set_rate(struct iproc_clk *clk, unsigned int rate_index,
@@ -263,10 +292,9 @@ static int pll_set_rate(struct iproc_clk *clk, unsigned int rate_index,
/* put PLL in reset */
__pll_put_in_reset(pll);
- writel(0, pll->pll_base + ctrl->vco_ctrl.u_offset);
- if (unlikely(ctrl->flags & IPROC_CLK_NEEDS_READ_BACK))
- readl(pll->pll_base + ctrl->vco_ctrl.u_offset);
- val = readl(pll->pll_base + ctrl->vco_ctrl.l_offset);
+ iproc_pll_write(pll, pll->control_base, ctrl->vco_ctrl.u_offset, 0);
+
+ val = readl(pll->control_base + ctrl->vco_ctrl.l_offset);
if (rate >= VCO_LOW && rate < VCO_MID)
val |= (1 << PLL_VCO_LOW_SHIFT);
@@ -276,36 +304,29 @@ static int pll_set_rate(struct iproc_clk *clk, unsigned int rate_index,
else
val |= (1 << PLL_VCO_HIGH_SHIFT);
- writel(val, pll->pll_base + ctrl->vco_ctrl.l_offset);
- if (unlikely(ctrl->flags & IPROC_CLK_NEEDS_READ_BACK))
- readl(pll->pll_base + ctrl->vco_ctrl.l_offset);
+ iproc_pll_write(pll, pll->control_base, ctrl->vco_ctrl.l_offset, val);
/* program integer part of NDIV */
- val = readl(pll->pll_base + ctrl->ndiv_int.offset);
+ val = readl(pll->control_base + ctrl->ndiv_int.offset);
val &= ~(bit_mask(ctrl->ndiv_int.width) << ctrl->ndiv_int.shift);
val |= vco->ndiv_int << ctrl->ndiv_int.shift;
- writel(val, pll->pll_base + ctrl->ndiv_int.offset);
- if (unlikely(ctrl->flags & IPROC_CLK_NEEDS_READ_BACK))
- readl(pll->pll_base + ctrl->ndiv_int.offset);
+ iproc_pll_write(pll, pll->control_base, ctrl->ndiv_int.offset, val);
/* program fractional part of NDIV */
if (ctrl->flags & IPROC_CLK_PLL_HAS_NDIV_FRAC) {
- val = readl(pll->pll_base + ctrl->ndiv_frac.offset);
+ val = readl(pll->control_base + ctrl->ndiv_frac.offset);
val &= ~(bit_mask(ctrl->ndiv_frac.width) <<
ctrl->ndiv_frac.shift);
val |= vco->ndiv_frac << ctrl->ndiv_frac.shift;
- writel(val, pll->pll_base + ctrl->ndiv_frac.offset);
- if (unlikely(ctrl->flags & IPROC_CLK_NEEDS_READ_BACK))
- readl(pll->pll_base + ctrl->ndiv_frac.offset);
+ iproc_pll_write(pll, pll->control_base, ctrl->ndiv_frac.offset,
+ val);
}
/* program PDIV */
- val = readl(pll->pll_base + ctrl->pdiv.offset);
+ val = readl(pll->control_base + ctrl->pdiv.offset);
val &= ~(bit_mask(ctrl->pdiv.width) << ctrl->pdiv.shift);
val |= vco->pdiv << ctrl->pdiv.shift;
- writel(val, pll->pll_base + ctrl->pdiv.offset);
- if (unlikely(ctrl->flags & IPROC_CLK_NEEDS_READ_BACK))
- readl(pll->pll_base + ctrl->pdiv.offset);
+ iproc_pll_write(pll, pll->control_base, ctrl->pdiv.offset, val);
__pll_bring_out_reset(pll, kp, ka, ki);
@@ -352,7 +373,7 @@ static unsigned long iproc_pll_recalc_rate(struct clk_hw *hw,
return 0;
/* PLL needs to be locked */
- val = readl(pll->pll_base + ctrl->status.offset);
+ val = readl(pll->status_base + ctrl->status.offset);
if ((val & (1 << ctrl->status.shift)) == 0) {
clk->rate = 0;
return 0;
@@ -363,19 +384,19 @@ static unsigned long iproc_pll_recalc_rate(struct clk_hw *hw,
*
* ((ndiv_int + ndiv_frac / 2^20) * (parent clock rate / pdiv)
*/
- val = readl(pll->pll_base + ctrl->ndiv_int.offset);
+ val = readl(pll->control_base + ctrl->ndiv_int.offset);
ndiv_int = (val >> ctrl->ndiv_int.shift) &
bit_mask(ctrl->ndiv_int.width);
ndiv = ndiv_int << 20;
if (ctrl->flags & IPROC_CLK_PLL_HAS_NDIV_FRAC) {
- val = readl(pll->pll_base + ctrl->ndiv_frac.offset);
+ val = readl(pll->control_base + ctrl->ndiv_frac.offset);
ndiv_frac = (val >> ctrl->ndiv_frac.shift) &
bit_mask(ctrl->ndiv_frac.width);
ndiv += ndiv_frac;
}
- val = readl(pll->pll_base + ctrl->pdiv.offset);
+ val = readl(pll->control_base + ctrl->pdiv.offset);
pdiv = (val >> ctrl->pdiv.shift) & bit_mask(ctrl->pdiv.width);
clk->rate = (ndiv * parent_rate) >> 20;
@@ -440,16 +461,14 @@ static int iproc_clk_enable(struct clk_hw *hw)
u32 val;
/* channel enable is active low */
- val = readl(pll->pll_base + ctrl->enable.offset);
+ val = readl(pll->control_base + ctrl->enable.offset);
val &= ~(1 << ctrl->enable.enable_shift);
- writel(val, pll->pll_base + ctrl->enable.offset);
+ iproc_pll_write(pll, pll->control_base, ctrl->enable.offset, val);
/* also make sure channel is not held */
- val = readl(pll->pll_base + ctrl->enable.offset);
+ val = readl(pll->control_base + ctrl->enable.offset);
val &= ~(1 << ctrl->enable.hold_shift);
- writel(val, pll->pll_base + ctrl->enable.offset);
- if (unlikely(ctrl->flags & IPROC_CLK_NEEDS_READ_BACK))
- readl(pll->pll_base + ctrl->enable.offset);
+ iproc_pll_write(pll, pll->control_base, ctrl->enable.offset, val);
return 0;
}
@@ -464,11 +483,9 @@ static void iproc_clk_disable(struct clk_hw *hw)
if (ctrl->flags & IPROC_CLK_AON)
return;
- val = readl(pll->pll_base + ctrl->enable.offset);
+ val = readl(pll->control_base + ctrl->enable.offset);
val |= 1 << ctrl->enable.enable_shift;
- writel(val, pll->pll_base + ctrl->enable.offset);
- if (unlikely(ctrl->flags & IPROC_CLK_NEEDS_READ_BACK))
- readl(pll->pll_base + ctrl->enable.offset);
+ iproc_pll_write(pll, pll->control_base, ctrl->enable.offset, val);
}
static unsigned long iproc_clk_recalc_rate(struct clk_hw *hw,
@@ -483,7 +500,7 @@ static unsigned long iproc_clk_recalc_rate(struct clk_hw *hw,
if (parent_rate == 0)
return 0;
- val = readl(pll->pll_base + ctrl->mdiv.offset);
+ val = readl(pll->control_base + ctrl->mdiv.offset);
mdiv = (val >> ctrl->mdiv.shift) & bit_mask(ctrl->mdiv.width);
if (mdiv == 0)
mdiv = 256;
@@ -530,16 +547,14 @@ static int iproc_clk_set_rate(struct clk_hw *hw, unsigned long rate,
if (div > 256)
return -EINVAL;
- val = readl(pll->pll_base + ctrl->mdiv.offset);
+ val = readl(pll->control_base + ctrl->mdiv.offset);
if (div == 256) {
val &= ~(bit_mask(ctrl->mdiv.width) << ctrl->mdiv.shift);
} else {
val &= ~(bit_mask(ctrl->mdiv.width) << ctrl->mdiv.shift);
val |= div << ctrl->mdiv.shift;
}
- writel(val, pll->pll_base + ctrl->mdiv.offset);
- if (unlikely(ctrl->flags & IPROC_CLK_NEEDS_READ_BACK))
- readl(pll->pll_base + ctrl->mdiv.offset);
+ iproc_pll_write(pll, pll->control_base, ctrl->mdiv.offset, val);
clk->rate = parent_rate / div;
return 0;
@@ -564,11 +579,10 @@ static void iproc_pll_sw_cfg(struct iproc_pll *pll)
if (ctrl->flags & IPROC_CLK_PLL_NEEDS_SW_CFG) {
u32 val;
- val = readl(pll->pll_base + ctrl->sw_ctrl.offset);
+ val = readl(pll->control_base + ctrl->sw_ctrl.offset);
val |= BIT(ctrl->sw_ctrl.shift);
- writel(val, pll->pll_base + ctrl->sw_ctrl.offset);
- if (unlikely(ctrl->flags & IPROC_CLK_NEEDS_READ_BACK))
- readl(pll->pll_base + ctrl->sw_ctrl.offset);
+ iproc_pll_write(pll, pll->control_base, ctrl->sw_ctrl.offset,
+ val);
}
}
@@ -603,13 +617,12 @@ void __init iproc_pll_clk_setup(struct device_node *node,
if (WARN_ON(!pll->clks))
goto err_clks;
- pll->pll_base = of_iomap(node, 0);
- if (WARN_ON(!pll->pll_base))
+ pll->control_base = of_iomap(node, 0);
+ if (WARN_ON(!pll->control_base))
goto err_pll_iomap;
+ /* Some SoCs do not require the pwr_base, thus failing is not fatal */
pll->pwr_base = of_iomap(node, 1);
- if (WARN_ON(!pll->pwr_base))
- goto err_pwr_iomap;
/* some PLLs require gating control at the top ASIU level */
if (pll_ctrl->flags & IPROC_CLK_PLL_ASIU) {
@@ -618,6 +631,16 @@ void __init iproc_pll_clk_setup(struct device_node *node,
goto err_asiu_iomap;
}
+ if (pll_ctrl->flags & IPROC_CLK_PLL_SPLIT_STAT_CTRL) {
+ /* Some SoCs have a split status/control. If this does not
+ * exist, assume they are unified.
+ */
+ pll->status_base = of_iomap(node, 2);
+ if (!pll->status_base)
+ goto err_status_iomap;
+ } else
+ pll->status_base = pll->control_base;
+
/* initialize and register the PLL itself */
pll->ctrl = pll_ctrl;
@@ -688,14 +711,18 @@ err_clk_register:
clk_unregister(pll->clk_data.clks[i]);
err_pll_register:
+ if (pll->status_base != pll->control_base)
+ iounmap(pll->status_base);
+
+err_status_iomap:
if (pll->asiu_base)
iounmap(pll->asiu_base);
err_asiu_iomap:
- iounmap(pll->pwr_base);
+ if (pll->pwr_base)
+ iounmap(pll->pwr_base);
-err_pwr_iomap:
- iounmap(pll->pll_base);
+ iounmap(pll->control_base);
err_pll_iomap:
kfree(pll->clks);
diff --git a/drivers/clk/bcm/clk-iproc.h b/drivers/clk/bcm/clk-iproc.h
index d834b7abd5c6..8988de70a98c 100644
--- a/drivers/clk/bcm/clk-iproc.h
+++ b/drivers/clk/bcm/clk-iproc.h
@@ -49,6 +49,18 @@
#define IPROC_CLK_PLL_NEEDS_SW_CFG BIT(4)
/*
+ * Some PLLs use a different way to control clock power, via the PWRDWN bit in
+ * the PLL control register
+ */
+#define IPROC_CLK_EMBED_PWRCTRL BIT(5)
+
+/*
+ * Some PLLs have separate registers for Status and Control. Identify this to
+ * let the driver know if additional registers need to be used
+ */
+#define IPROC_CLK_PLL_SPLIT_STAT_CTRL BIT(6)
+
+/*
* Parameters for VCO frequency configuration
*
* VCO frequency =
@@ -88,12 +100,19 @@ struct iproc_pll_aon_pwr_ctrl {
};
/*
- * Control of the PLL reset, with Ki, Kp, and Ka parameters
+ * Control of the PLL reset
*/
struct iproc_pll_reset_ctrl {
unsigned int offset;
unsigned int reset_shift;
unsigned int p_reset_shift;
+};
+
+/*
+ * Control of the Ki, Kp, and Ka parameters
+ */
+struct iproc_pll_dig_filter_ctrl {
+ unsigned int offset;
unsigned int ki_shift;
unsigned int ki_width;
unsigned int kp_shift;
@@ -123,6 +142,7 @@ struct iproc_pll_ctrl {
struct iproc_pll_aon_pwr_ctrl aon;
struct iproc_asiu_gate asiu;
struct iproc_pll_reset_ctrl reset;
+ struct iproc_pll_dig_filter_ctrl dig_filter;
struct iproc_pll_sw_ctrl sw_ctrl;
struct iproc_clk_reg_op ndiv_int;
struct iproc_clk_reg_op ndiv_frac;
diff --git a/drivers/clk/bcm/clk-ns2.c b/drivers/clk/bcm/clk-ns2.c
new file mode 100644
index 000000000000..a564e9248814
--- /dev/null
+++ b/drivers/clk/bcm/clk-ns2.c
@@ -0,0 +1,288 @@
+/*
+ * Copyright (C) 2015 Broadcom Corporation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/kernel.h>
+#include <linux/err.h>
+#include <linux/clk-provider.h>
+#include <linux/io.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+
+#include <dt-bindings/clock/bcm-ns2.h>
+#include "clk-iproc.h"
+
+#define REG_VAL(o, s, w) { .offset = o, .shift = s, .width = w, }
+
+#define AON_VAL(o, pw, ps, is) { .offset = o, .pwr_width = pw, \
+ .pwr_shift = ps, .iso_shift = is }
+
+#define RESET_VAL(o, rs, prs) { .offset = o, .reset_shift = rs, \
+ .p_reset_shift = prs }
+
+#define DF_VAL(o, kis, kiw, kps, kpw, kas, kaw) { .offset = o, .ki_shift = kis,\
+ .ki_width = kiw, .kp_shift = kps, .kp_width = kpw, .ka_shift = kas, \
+ .ka_width = kaw }
+
+#define VCO_CTRL_VAL(uo, lo) { .u_offset = uo, .l_offset = lo }
+
+#define ENABLE_VAL(o, es, hs, bs) { .offset = o, .enable_shift = es, \
+ .hold_shift = hs, .bypass_shift = bs }
+
+static const struct iproc_pll_ctrl genpll_scr = {
+ .flags = IPROC_CLK_AON | IPROC_CLK_PLL_SPLIT_STAT_CTRL,
+ .aon = AON_VAL(0x0, 1, 15, 12),
+ .reset = RESET_VAL(0x4, 2, 1),
+ .dig_filter = DF_VAL(0x0, 9, 3, 5, 4, 2, 3),
+ .ndiv_int = REG_VAL(0x8, 4, 10),
+ .pdiv = REG_VAL(0x8, 0, 4),
+ .vco_ctrl = VCO_CTRL_VAL(0x10, 0xc),
+ .status = REG_VAL(0x0, 27, 1),
+};
+
+
+static const struct iproc_clk_ctrl genpll_scr_clk[] = {
+ /* bypass_shift, the last value passed into ENABLE_VAL(), is not defined
+ * in NS2. However, it doesn't appear to be used anywhere, so setting
+ * it to 0.
+ */
+ [BCM_NS2_GENPLL_SCR_SCR_CLK] = {
+ .channel = BCM_NS2_GENPLL_SCR_SCR_CLK,
+ .flags = IPROC_CLK_AON,
+ .enable = ENABLE_VAL(0x0, 18, 12, 0),
+ .mdiv = REG_VAL(0x18, 0, 8),
+ },
+ [BCM_NS2_GENPLL_SCR_FS_CLK] = {
+ .channel = BCM_NS2_GENPLL_SCR_FS_CLK,
+ .flags = IPROC_CLK_AON,
+ .enable = ENABLE_VAL(0x0, 19, 13, 0),
+ .mdiv = REG_VAL(0x18, 8, 8),
+ },
+ [BCM_NS2_GENPLL_SCR_AUDIO_CLK] = {
+ .channel = BCM_NS2_GENPLL_SCR_AUDIO_CLK,
+ .flags = IPROC_CLK_AON,
+ .enable = ENABLE_VAL(0x0, 20, 14, 0),
+ .mdiv = REG_VAL(0x14, 0, 8),
+ },
+ [BCM_NS2_GENPLL_SCR_CH3_UNUSED] = {
+ .channel = BCM_NS2_GENPLL_SCR_CH3_UNUSED,
+ .flags = IPROC_CLK_AON,
+ .enable = ENABLE_VAL(0x0, 21, 15, 0),
+ .mdiv = REG_VAL(0x14, 8, 8),
+ },
+ [BCM_NS2_GENPLL_SCR_CH4_UNUSED] = {
+ .channel = BCM_NS2_GENPLL_SCR_CH4_UNUSED,
+ .flags = IPROC_CLK_AON,
+ .enable = ENABLE_VAL(0x0, 22, 16, 0),
+ .mdiv = REG_VAL(0x14, 16, 8),
+ },
+ [BCM_NS2_GENPLL_SCR_CH5_UNUSED] = {
+ .channel = BCM_NS2_GENPLL_SCR_CH5_UNUSED,
+ .flags = IPROC_CLK_AON,
+ .enable = ENABLE_VAL(0x0, 23, 17, 0),
+ .mdiv = REG_VAL(0x14, 24, 8),
+ },
+};
+
+static void __init ns2_genpll_scr_clk_init(struct device_node *node)
+{
+ iproc_pll_clk_setup(node, &genpll_scr, NULL, 0, genpll_scr_clk,
+ ARRAY_SIZE(genpll_scr_clk));
+}
+CLK_OF_DECLARE(ns2_genpll_src_clk, "brcm,ns2-genpll-scr",
+ ns2_genpll_scr_clk_init);
+
+static const struct iproc_pll_ctrl genpll_sw = {
+ .flags = IPROC_CLK_AON | IPROC_CLK_PLL_SPLIT_STAT_CTRL,
+ .aon = AON_VAL(0x0, 2, 9, 8),
+ .reset = RESET_VAL(0x4, 2, 1),
+ .dig_filter = DF_VAL(0x0, 9, 3, 5, 4, 2, 3),
+ .ndiv_int = REG_VAL(0x8, 4, 10),
+ .pdiv = REG_VAL(0x8, 0, 4),
+ .vco_ctrl = VCO_CTRL_VAL(0x10, 0xc),
+ .status = REG_VAL(0x0, 13, 1),
+};
+
+static const struct iproc_clk_ctrl genpll_sw_clk[] = {
+ /* bypass_shift, the last value passed into ENABLE_VAL(), is not defined
+ * in NS2. However, it doesn't appear to be used anywhere, so setting
+ * it to 0.
+ */
+ [BCM_NS2_GENPLL_SW_RPE_CLK] = {
+ .channel = BCM_NS2_GENPLL_SW_RPE_CLK,
+ .flags = IPROC_CLK_AON,
+ .enable = ENABLE_VAL(0x0, 18, 12, 0),
+ .mdiv = REG_VAL(0x18, 0, 8),
+ },
+ [BCM_NS2_GENPLL_SW_250_CLK] = {
+ .channel = BCM_NS2_GENPLL_SW_250_CLK,
+ .flags = IPROC_CLK_AON,
+ .enable = ENABLE_VAL(0x0, 19, 13, 0),
+ .mdiv = REG_VAL(0x18, 8, 8),
+ },
+ [BCM_NS2_GENPLL_SW_NIC_CLK] = {
+ .channel = BCM_NS2_GENPLL_SW_NIC_CLK,
+ .flags = IPROC_CLK_AON,
+ .enable = ENABLE_VAL(0x0, 20, 14, 0),
+ .mdiv = REG_VAL(0x14, 0, 8),
+ },
+ [BCM_NS2_GENPLL_SW_CHIMP_CLK] = {
+ .channel = BCM_NS2_GENPLL_SW_CHIMP_CLK,
+ .flags = IPROC_CLK_AON,
+ .enable = ENABLE_VAL(0x0, 21, 15, 0),
+ .mdiv = REG_VAL(0x14, 8, 8),
+ },
+ [BCM_NS2_GENPLL_SW_PORT_CLK] = {
+ .channel = BCM_NS2_GENPLL_SW_PORT_CLK,
+ .flags = IPROC_CLK_AON,
+ .enable = ENABLE_VAL(0x0, 22, 16, 0),
+ .mdiv = REG_VAL(0x14, 16, 8),
+ },
+ [BCM_NS2_GENPLL_SW_SDIO_CLK] = {
+ .channel = BCM_NS2_GENPLL_SW_SDIO_CLK,
+ .flags = IPROC_CLK_AON,
+ .enable = ENABLE_VAL(0x0, 23, 17, 0),
+ .mdiv = REG_VAL(0x14, 24, 8),
+ },
+};
+
+static void __init ns2_genpll_sw_clk_init(struct device_node *node)
+{
+ iproc_pll_clk_setup(node, &genpll_sw, NULL, 0, genpll_sw_clk,
+ ARRAY_SIZE(genpll_sw_clk));
+}
+CLK_OF_DECLARE(ns2_genpll_sw_clk, "brcm,ns2-genpll-sw",
+ ns2_genpll_sw_clk_init);
+
+static const struct iproc_pll_ctrl lcpll_ddr = {
+ .flags = IPROC_CLK_AON | IPROC_CLK_PLL_SPLIT_STAT_CTRL,
+ .aon = AON_VAL(0x0, 2, 1, 0),
+ .reset = RESET_VAL(0x4, 2, 1),
+ .dig_filter = DF_VAL(0x0, 9, 3, 5, 4, 1, 4),
+ .ndiv_int = REG_VAL(0x8, 4, 10),
+ .pdiv = REG_VAL(0x8, 0, 4),
+ .vco_ctrl = VCO_CTRL_VAL(0x10, 0xc),
+ .status = REG_VAL(0x0, 0, 1),
+};
+
+static const struct iproc_clk_ctrl lcpll_ddr_clk[] = {
+ /* bypass_shift, the last value passed into ENABLE_VAL(), is not defined
+ * in NS2. However, it doesn't appear to be used anywhere, so setting
+ * it to 0.
+ */
+ [BCM_NS2_LCPLL_DDR_PCIE_SATA_USB_CLK] = {
+ .channel = BCM_NS2_LCPLL_DDR_PCIE_SATA_USB_CLK,
+ .flags = IPROC_CLK_AON,
+ .enable = ENABLE_VAL(0x0, 18, 12, 0),
+ .mdiv = REG_VAL(0x14, 0, 8),
+ },
+ [BCM_NS2_LCPLL_DDR_DDR_CLK] = {
+ .channel = BCM_NS2_LCPLL_DDR_DDR_CLK,
+ .flags = IPROC_CLK_AON,
+ .enable = ENABLE_VAL(0x0, 19, 13, 0),
+ .mdiv = REG_VAL(0x14, 8, 8),
+ },
+ [BCM_NS2_LCPLL_DDR_CH2_UNUSED] = {
+ .channel = BCM_NS2_LCPLL_DDR_CH2_UNUSED,
+ .flags = IPROC_CLK_AON,
+ .enable = ENABLE_VAL(0x0, 20, 14, 0),
+ .mdiv = REG_VAL(0x10, 0, 8),
+ },
+ [BCM_NS2_LCPLL_DDR_CH3_UNUSED] = {
+ .channel = BCM_NS2_LCPLL_DDR_CH3_UNUSED,
+ .flags = IPROC_CLK_AON,
+ .enable = ENABLE_VAL(0x0, 21, 15, 0),
+ .mdiv = REG_VAL(0x10, 8, 8),
+ },
+ [BCM_NS2_LCPLL_DDR_CH4_UNUSED] = {
+ .channel = BCM_NS2_LCPLL_DDR_CH4_UNUSED,
+ .flags = IPROC_CLK_AON,
+ .enable = ENABLE_VAL(0x0, 22, 16, 0),
+ .mdiv = REG_VAL(0x10, 16, 8),
+ },
+ [BCM_NS2_LCPLL_DDR_CH5_UNUSED] = {
+ .channel = BCM_NS2_LCPLL_DDR_CH5_UNUSED,
+ .flags = IPROC_CLK_AON,
+ .enable = ENABLE_VAL(0x0, 23, 17, 0),
+ .mdiv = REG_VAL(0x10, 24, 8),
+ },
+};
+
+static void __init ns2_lcpll_ddr_clk_init(struct device_node *node)
+{
+ iproc_pll_clk_setup(node, &lcpll_ddr, NULL, 0, lcpll_ddr_clk,
+ ARRAY_SIZE(lcpll_ddr_clk));
+}
+CLK_OF_DECLARE(ns2_lcpll_ddr_clk, "brcm,ns2-lcpll-ddr",
+ ns2_lcpll_ddr_clk_init);
+
+static const struct iproc_pll_ctrl lcpll_ports = {
+ .flags = IPROC_CLK_AON | IPROC_CLK_PLL_SPLIT_STAT_CTRL,
+ .aon = AON_VAL(0x0, 2, 5, 4),
+ .reset = RESET_VAL(0x4, 2, 1),
+ .dig_filter = DF_VAL(0x0, 9, 3, 5, 4, 1, 4),
+ .ndiv_int = REG_VAL(0x8, 4, 10),
+ .pdiv = REG_VAL(0x8, 0, 4),
+ .vco_ctrl = VCO_CTRL_VAL(0x10, 0xc),
+ .status = REG_VAL(0x0, 0, 1),
+};
+
+static const struct iproc_clk_ctrl lcpll_ports_clk[] = {
+ /* bypass_shift, the last value passed into ENABLE_VAL(), is not defined
+ * in NS2. However, it doesn't appear to be used anywhere, so setting
+ * it to 0.
+ */
+ [BCM_NS2_LCPLL_PORTS_WAN_CLK] = {
+ .channel = BCM_NS2_LCPLL_PORTS_WAN_CLK,
+ .flags = IPROC_CLK_AON,
+ .enable = ENABLE_VAL(0x0, 18, 12, 0),
+ .mdiv = REG_VAL(0x14, 0, 8),
+ },
+ [BCM_NS2_LCPLL_PORTS_RGMII_CLK] = {
+ .channel = BCM_NS2_LCPLL_PORTS_RGMII_CLK,
+ .flags = IPROC_CLK_AON,
+ .enable = ENABLE_VAL(0x0, 19, 13, 0),
+ .mdiv = REG_VAL(0x14, 8, 8),
+ },
+ [BCM_NS2_LCPLL_PORTS_CH2_UNUSED] = {
+ .channel = BCM_NS2_LCPLL_PORTS_CH2_UNUSED,
+ .flags = IPROC_CLK_AON,
+ .enable = ENABLE_VAL(0x0, 20, 14, 0),
+ .mdiv = REG_VAL(0x10, 0, 8),
+ },
+ [BCM_NS2_LCPLL_PORTS_CH3_UNUSED] = {
+ .channel = BCM_NS2_LCPLL_PORTS_CH3_UNUSED,
+ .flags = IPROC_CLK_AON,
+ .enable = ENABLE_VAL(0x0, 21, 15, 0),
+ .mdiv = REG_VAL(0x10, 8, 8),
+ },
+ [BCM_NS2_LCPLL_PORTS_CH4_UNUSED] = {
+ .channel = BCM_NS2_LCPLL_PORTS_CH4_UNUSED,
+ .flags = IPROC_CLK_AON,
+ .enable = ENABLE_VAL(0x0, 22, 16, 0),
+ .mdiv = REG_VAL(0x10, 16, 8),
+ },
+ [BCM_NS2_LCPLL_PORTS_CH5_UNUSED] = {
+ .channel = BCM_NS2_LCPLL_PORTS_CH5_UNUSED,
+ .flags = IPROC_CLK_AON,
+ .enable = ENABLE_VAL(0x0, 23, 17, 0),
+ .mdiv = REG_VAL(0x10, 24, 8),
+ },
+};
+
+static void __init ns2_lcpll_ports_clk_init(struct device_node *node)
+{
+ iproc_pll_clk_setup(node, &lcpll_ports, NULL, 0, lcpll_ports_clk,
+ ARRAY_SIZE(lcpll_ports_clk));
+}
+CLK_OF_DECLARE(ns2_lcpll_ports_clk, "brcm,ns2-lcpll-ports",
+ ns2_lcpll_ports_clk_init);
diff --git a/drivers/clk/bcm/clk-nsp.c b/drivers/clk/bcm/clk-nsp.c
new file mode 100644
index 000000000000..cf66f640a47d
--- /dev/null
+++ b/drivers/clk/bcm/clk-nsp.c
@@ -0,0 +1,139 @@
+/*
+ * Copyright (C) 2015 Broadcom Corporation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/kernel.h>
+#include <linux/err.h>
+#include <linux/clk-provider.h>
+#include <linux/io.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+
+#include <dt-bindings/clock/bcm-nsp.h>
+#include "clk-iproc.h"
+
+#define REG_VAL(o, s, w) { .offset = o, .shift = s, .width = w, }
+
+#define AON_VAL(o, pw, ps, is) { .offset = o, .pwr_width = pw, \
+ .pwr_shift = ps, .iso_shift = is }
+
+#define RESET_VAL(o, rs, prs) { .offset = o, .reset_shift = rs, \
+ .p_reset_shift = prs }
+
+#define DF_VAL(o, kis, kiw, kps, kpw, kas, kaw) { .offset = o, .ki_shift = kis,\
+ .ki_width = kiw, .kp_shift = kps, .kp_width = kpw, .ka_shift = kas, \
+ .ka_width = kaw }
+
+#define ENABLE_VAL(o, es, hs, bs) { .offset = o, .enable_shift = es, \
+ .hold_shift = hs, .bypass_shift = bs }
+
+static void __init nsp_armpll_init(struct device_node *node)
+{
+ iproc_armpll_setup(node);
+}
+CLK_OF_DECLARE(nsp_armpll, "brcm,nsp-armpll", nsp_armpll_init);
+
+static const struct iproc_pll_ctrl genpll = {
+ .flags = IPROC_CLK_PLL_HAS_NDIV_FRAC | IPROC_CLK_EMBED_PWRCTRL,
+ .aon = AON_VAL(0x0, 1, 12, 0),
+ .reset = RESET_VAL(0x0, 11, 10),
+ .dig_filter = DF_VAL(0x0, 4, 3, 0, 4, 7, 3),
+ .ndiv_int = REG_VAL(0x14, 20, 10),
+ .ndiv_frac = REG_VAL(0x14, 0, 20),
+ .pdiv = REG_VAL(0x18, 24, 3),
+ .status = REG_VAL(0x20, 12, 1),
+};
+
+static const struct iproc_clk_ctrl genpll_clk[] = {
+ [BCM_NSP_GENPLL_PHY_CLK] = {
+ .channel = BCM_NSP_GENPLL_PHY_CLK,
+ .flags = IPROC_CLK_AON,
+ .enable = ENABLE_VAL(0x4, 12, 6, 18),
+ .mdiv = REG_VAL(0x18, 16, 8),
+ },
+ [BCM_NSP_GENPLL_ENET_SW_CLK] = {
+ .channel = BCM_NSP_GENPLL_ENET_SW_CLK,
+ .flags = IPROC_CLK_AON,
+ .enable = ENABLE_VAL(0x4, 13, 7, 19),
+ .mdiv = REG_VAL(0x18, 8, 8),
+ },
+ [BCM_NSP_GENPLL_USB_PHY_REF_CLK] = {
+ .channel = BCM_NSP_GENPLL_USB_PHY_REF_CLK,
+ .flags = IPROC_CLK_AON,
+ .enable = ENABLE_VAL(0x4, 14, 8, 20),
+ .mdiv = REG_VAL(0x18, 0, 8),
+ },
+ [BCM_NSP_GENPLL_IPROCFAST_CLK] = {
+ .channel = BCM_NSP_GENPLL_IPROCFAST_CLK,
+ .flags = IPROC_CLK_AON,
+ .enable = ENABLE_VAL(0x4, 15, 9, 21),
+ .mdiv = REG_VAL(0x1c, 16, 8),
+ },
+ [BCM_NSP_GENPLL_SATA1_CLK] = {
+ .channel = BCM_NSP_GENPLL_SATA1_CLK,
+ .flags = IPROC_CLK_AON,
+ .enable = ENABLE_VAL(0x4, 16, 10, 22),
+ .mdiv = REG_VAL(0x1c, 8, 8),
+ },
+ [BCM_NSP_GENPLL_SATA2_CLK] = {
+ .channel = BCM_NSP_GENPLL_SATA2_CLK,
+ .flags = IPROC_CLK_AON,
+ .enable = ENABLE_VAL(0x4, 17, 11, 23),
+ .mdiv = REG_VAL(0x1c, 0, 8),
+ },
+};
+
+static void __init nsp_genpll_clk_init(struct device_node *node)
+{
+ iproc_pll_clk_setup(node, &genpll, NULL, 0, genpll_clk,
+ ARRAY_SIZE(genpll_clk));
+}
+CLK_OF_DECLARE(nsp_genpll_clk, "brcm,nsp-genpll", nsp_genpll_clk_init);
+
+static const struct iproc_pll_ctrl lcpll0 = {
+ .flags = IPROC_CLK_PLL_HAS_NDIV_FRAC | IPROC_CLK_EMBED_PWRCTRL,
+ .aon = AON_VAL(0x0, 1, 24, 0),
+ .reset = RESET_VAL(0x0, 23, 22),
+ .dig_filter = DF_VAL(0x0, 16, 3, 12, 4, 19, 4),
+ .ndiv_int = REG_VAL(0x4, 20, 8),
+ .ndiv_frac = REG_VAL(0x4, 0, 20),
+ .pdiv = REG_VAL(0x4, 28, 3),
+ .status = REG_VAL(0x10, 12, 1),
+};
+
+static const struct iproc_clk_ctrl lcpll0_clk[] = {
+ [BCM_NSP_LCPLL0_PCIE_PHY_REF_CLK] = {
+ .channel = BCM_NSP_LCPLL0_PCIE_PHY_REF_CLK,
+ .flags = IPROC_CLK_AON,
+ .enable = ENABLE_VAL(0x0, 6, 3, 9),
+ .mdiv = REG_VAL(0x8, 24, 8),
+ },
+ [BCM_NSP_LCPLL0_SDIO_CLK] = {
+ .channel = BCM_NSP_LCPLL0_SDIO_CLK,
+ .flags = IPROC_CLK_AON,
+ .enable = ENABLE_VAL(0x0, 7, 4, 10),
+ .mdiv = REG_VAL(0x8, 16, 8),
+ },
+ [BCM_NSP_LCPLL0_DDR_PHY_CLK] = {
+ .channel = BCM_NSP_LCPLL0_DDR_PHY_CLK,
+ .flags = IPROC_CLK_AON,
+ .enable = ENABLE_VAL(0x0, 8, 5, 11),
+ .mdiv = REG_VAL(0x8, 8, 8),
+ },
+};
+
+static void __init nsp_lcpll0_clk_init(struct device_node *node)
+{
+ iproc_pll_clk_setup(node, &lcpll0, NULL, 0, lcpll0_clk,
+ ARRAY_SIZE(lcpll0_clk));
+}
+CLK_OF_DECLARE(nsp_lcpll0_clk, "brcm,nsp-lcpll0", nsp_lcpll0_clk_init);