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-rw-r--r--drivers/clk/at91/Makefile4
-rw-r--r--drivers/clk/at91/at91rm9200.c199
-rw-r--r--drivers/clk/at91/at91sam9g45.c220
-rw-r--r--drivers/clk/at91/at91sam9n12.c238
-rw-r--r--drivers/clk/at91/clk-usb.c9
-rw-r--r--drivers/clk/at91/sam9x60.c14
-rw-r--r--drivers/clk/at91/sama5d3.c240
-rw-r--r--drivers/clk/clk.c2
-rw-r--r--drivers/clk/ingenic/jz4770-cgu.c4
-rw-r--r--drivers/clk/ingenic/jz4780-cgu.c55
-rw-r--r--drivers/clk/ingenic/tcu.c10
-rw-r--r--drivers/clk/keystone/Kconfig8
-rw-r--r--drivers/clk/keystone/Makefile1
-rw-r--r--drivers/clk/keystone/syscon-clk.c172
-rw-r--r--drivers/clk/mmp/Makefile2
-rw-r--r--drivers/clk/mmp/clk-mix.c2
-rw-r--r--drivers/clk/mmp/clk-of-mmp2.c146
-rw-r--r--drivers/clk/mmp/clk-pll.c139
-rw-r--r--drivers/clk/mmp/clk.c31
-rw-r--r--drivers/clk/mmp/clk.h31
-rw-r--r--drivers/clk/versatile/clk-icst.c25
-rw-r--r--drivers/clk/versatile/clk-icst.h22
-rw-r--r--drivers/clk/versatile/clk-impd1.c79
23 files changed, 1598 insertions, 55 deletions
diff --git a/drivers/clk/at91/Makefile b/drivers/clk/at91/Makefile
index 3732241352ce..8b90357f2a93 100644
--- a/drivers/clk/at91/Makefile
+++ b/drivers/clk/at91/Makefile
@@ -15,7 +15,11 @@ obj-$(CONFIG_HAVE_AT91_H32MX) += clk-h32mx.o
obj-$(CONFIG_HAVE_AT91_GENERATED_CLK) += clk-generated.o
obj-$(CONFIG_HAVE_AT91_I2S_MUX_CLK) += clk-i2s-mux.o
obj-$(CONFIG_HAVE_AT91_SAM9X60_PLL) += clk-sam9x60-pll.o
+obj-$(CONFIG_SOC_AT91RM9200) += at91rm9200.o
obj-$(CONFIG_SOC_AT91SAM9) += at91sam9260.o at91sam9rl.o at91sam9x5.o
+obj-$(CONFIG_SOC_AT91SAM9) += at91sam9g45.o
+obj-$(CONFIG_SOC_AT91SAM9) += at91sam9n12.o at91sam9x5.o
obj-$(CONFIG_SOC_SAM9X60) += sam9x60.o
+obj-$(CONFIG_SOC_SAMA5D3) += sama5d3.o
obj-$(CONFIG_SOC_SAMA5D4) += sama5d4.o
obj-$(CONFIG_SOC_SAMA5D2) += sama5d2.o
diff --git a/drivers/clk/at91/at91rm9200.c b/drivers/clk/at91/at91rm9200.c
new file mode 100644
index 000000000000..c44a431b6c97
--- /dev/null
+++ b/drivers/clk/at91/at91rm9200.c
@@ -0,0 +1,199 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/clk-provider.h>
+#include <linux/mfd/syscon.h>
+#include <linux/slab.h>
+
+#include <dt-bindings/clock/at91.h>
+
+#include "pmc.h"
+
+struct sck {
+ char *n;
+ char *p;
+ u8 id;
+};
+
+struct pck {
+ char *n;
+ u8 id;
+};
+
+static const struct clk_master_characteristics rm9200_mck_characteristics = {
+ .output = { .min = 0, .max = 80000000 },
+ .divisors = { 1, 2, 3, 4 },
+};
+
+static u8 rm9200_pll_out[] = { 0, 2 };
+
+static const struct clk_range rm9200_pll_outputs[] = {
+ { .min = 80000000, .max = 160000000 },
+ { .min = 150000000, .max = 180000000 },
+};
+
+static const struct clk_pll_characteristics rm9200_pll_characteristics = {
+ .input = { .min = 1000000, .max = 32000000 },
+ .num_output = ARRAY_SIZE(rm9200_pll_outputs),
+ .output = rm9200_pll_outputs,
+ .out = rm9200_pll_out,
+};
+
+static const struct sck at91rm9200_systemck[] = {
+ { .n = "udpck", .p = "usbck", .id = 2 },
+ { .n = "uhpck", .p = "usbck", .id = 4 },
+ { .n = "pck0", .p = "prog0", .id = 8 },
+ { .n = "pck1", .p = "prog1", .id = 9 },
+ { .n = "pck2", .p = "prog2", .id = 10 },
+ { .n = "pck3", .p = "prog3", .id = 11 },
+};
+
+static const struct pck at91rm9200_periphck[] = {
+ { .n = "pioA_clk", .id = 2 },
+ { .n = "pioB_clk", .id = 3 },
+ { .n = "pioC_clk", .id = 4 },
+ { .n = "pioD_clk", .id = 5 },
+ { .n = "usart0_clk", .id = 6 },
+ { .n = "usart1_clk", .id = 7 },
+ { .n = "usart2_clk", .id = 8 },
+ { .n = "usart3_clk", .id = 9 },
+ { .n = "mci0_clk", .id = 10 },
+ { .n = "udc_clk", .id = 11 },
+ { .n = "twi0_clk", .id = 12 },
+ { .n = "spi0_clk", .id = 13 },
+ { .n = "ssc0_clk", .id = 14 },
+ { .n = "ssc1_clk", .id = 15 },
+ { .n = "ssc2_clk", .id = 16 },
+ { .n = "tc0_clk", .id = 17 },
+ { .n = "tc1_clk", .id = 18 },
+ { .n = "tc2_clk", .id = 19 },
+ { .n = "tc3_clk", .id = 20 },
+ { .n = "tc4_clk", .id = 21 },
+ { .n = "tc5_clk", .id = 22 },
+ { .n = "ohci_clk", .id = 23 },
+ { .n = "macb0_clk", .id = 24 },
+};
+
+static void __init at91rm9200_pmc_setup(struct device_node *np)
+{
+ const char *slowxtal_name, *mainxtal_name;
+ struct pmc_data *at91rm9200_pmc;
+ u32 usb_div[] = { 1, 2, 0, 0 };
+ const char *parent_names[6];
+ struct regmap *regmap;
+ struct clk_hw *hw;
+ int i;
+ bool bypass;
+
+ i = of_property_match_string(np, "clock-names", "slow_xtal");
+ if (i < 0)
+ return;
+
+ slowxtal_name = of_clk_get_parent_name(np, i);
+
+ i = of_property_match_string(np, "clock-names", "main_xtal");
+ if (i < 0)
+ return;
+ mainxtal_name = of_clk_get_parent_name(np, i);
+
+ regmap = device_node_to_regmap(np);
+ if (IS_ERR(regmap))
+ return;
+
+ at91rm9200_pmc = pmc_data_allocate(PMC_MAIN + 1,
+ nck(at91rm9200_systemck),
+ nck(at91rm9200_periphck), 0);
+ if (!at91rm9200_pmc)
+ return;
+
+ bypass = of_property_read_bool(np, "atmel,osc-bypass");
+
+ hw = at91_clk_register_main_osc(regmap, "main_osc", mainxtal_name,
+ bypass);
+ if (IS_ERR(hw))
+ goto err_free;
+
+ hw = at91_clk_register_rm9200_main(regmap, "mainck", "main_osc");
+ if (IS_ERR(hw))
+ goto err_free;
+
+ at91rm9200_pmc->chws[PMC_MAIN] = hw;
+
+ hw = at91_clk_register_pll(regmap, "pllack", "mainck", 0,
+ &at91rm9200_pll_layout,
+ &rm9200_pll_characteristics);
+ if (IS_ERR(hw))
+ goto err_free;
+
+ hw = at91_clk_register_pll(regmap, "pllbck", "mainck", 1,
+ &at91rm9200_pll_layout,
+ &rm9200_pll_characteristics);
+ if (IS_ERR(hw))
+ goto err_free;
+
+ parent_names[0] = slowxtal_name;
+ parent_names[1] = "mainck";
+ parent_names[2] = "pllack";
+ parent_names[3] = "pllbck";
+ hw = at91_clk_register_master(regmap, "masterck", 4, parent_names,
+ &at91rm9200_master_layout,
+ &rm9200_mck_characteristics);
+ if (IS_ERR(hw))
+ goto err_free;
+
+ at91rm9200_pmc->chws[PMC_MCK] = hw;
+
+ hw = at91rm9200_clk_register_usb(regmap, "usbck", "pllbck", usb_div);
+ if (IS_ERR(hw))
+ goto err_free;
+
+ parent_names[0] = slowxtal_name;
+ parent_names[1] = "mainck";
+ parent_names[2] = "pllack";
+ parent_names[3] = "pllbck";
+ for (i = 0; i < 4; i++) {
+ char name[6];
+
+ snprintf(name, sizeof(name), "prog%d", i);
+
+ hw = at91_clk_register_programmable(regmap, name,
+ parent_names, 4, i,
+ &at91rm9200_programmable_layout);
+ if (IS_ERR(hw))
+ goto err_free;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(at91rm9200_systemck); i++) {
+ hw = at91_clk_register_system(regmap, at91rm9200_systemck[i].n,
+ at91rm9200_systemck[i].p,
+ at91rm9200_systemck[i].id);
+ if (IS_ERR(hw))
+ goto err_free;
+
+ at91rm9200_pmc->shws[at91rm9200_systemck[i].id] = hw;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(at91rm9200_periphck); i++) {
+ hw = at91_clk_register_peripheral(regmap,
+ at91rm9200_periphck[i].n,
+ "masterck",
+ at91rm9200_periphck[i].id);
+ if (IS_ERR(hw))
+ goto err_free;
+
+ at91rm9200_pmc->phws[at91rm9200_periphck[i].id] = hw;
+ }
+
+ of_clk_add_hw_provider(np, of_clk_hw_pmc_get, at91rm9200_pmc);
+
+ return;
+
+err_free:
+ pmc_data_free(at91rm9200_pmc);
+}
+/*
+ * While the TCB can be used as the clocksource, the system timer is most likely
+ * to be used instead. However, the pinctrl driver doesn't support probe
+ * deferring properly. Once this is fixed, this can be switched to a platform
+ * driver.
+ */
+CLK_OF_DECLARE_DRIVER(at91rm9200_pmc, "atmel,at91rm9200-pmc",
+ at91rm9200_pmc_setup);
diff --git a/drivers/clk/at91/at91sam9g45.c b/drivers/clk/at91/at91sam9g45.c
new file mode 100644
index 000000000000..38a7d2d2df0c
--- /dev/null
+++ b/drivers/clk/at91/at91sam9g45.c
@@ -0,0 +1,220 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/clk-provider.h>
+#include <linux/mfd/syscon.h>
+#include <linux/slab.h>
+
+#include <dt-bindings/clock/at91.h>
+
+#include "pmc.h"
+
+static const struct clk_master_characteristics mck_characteristics = {
+ .output = { .min = 0, .max = 133333333 },
+ .divisors = { 1, 2, 4, 3 },
+};
+
+static u8 plla_out[] = { 0, 1, 2, 3, 0, 1, 2, 3 };
+
+static u16 plla_icpll[] = { 0, 0, 0, 0, 1, 1, 1, 1 };
+
+static const struct clk_range plla_outputs[] = {
+ { .min = 745000000, .max = 800000000 },
+ { .min = 695000000, .max = 750000000 },
+ { .min = 645000000, .max = 700000000 },
+ { .min = 595000000, .max = 650000000 },
+ { .min = 545000000, .max = 600000000 },
+ { .min = 495000000, .max = 555000000 },
+ { .min = 445000000, .max = 500000000 },
+ { .min = 400000000, .max = 450000000 },
+};
+
+static const struct clk_pll_characteristics plla_characteristics = {
+ .input = { .min = 2000000, .max = 32000000 },
+ .num_output = ARRAY_SIZE(plla_outputs),
+ .output = plla_outputs,
+ .icpll = plla_icpll,
+ .out = plla_out,
+};
+
+static const struct {
+ char *n;
+ char *p;
+ u8 id;
+} at91sam9g45_systemck[] = {
+ { .n = "ddrck", .p = "masterck", .id = 2 },
+ { .n = "uhpck", .p = "usbck", .id = 6 },
+ { .n = "pck0", .p = "prog0", .id = 8 },
+ { .n = "pck1", .p = "prog1", .id = 9 },
+};
+
+static const struct clk_pcr_layout at91sam9g45_pcr_layout = {
+ .offset = 0x10c,
+ .cmd = BIT(12),
+ .pid_mask = GENMASK(5, 0),
+ .div_mask = GENMASK(17, 16),
+};
+
+struct pck {
+ char *n;
+ u8 id;
+};
+
+static const struct pck at91sam9g45_periphck[] = {
+ { .n = "pioA_clk", .id = 2, },
+ { .n = "pioB_clk", .id = 3, },
+ { .n = "pioC_clk", .id = 4, },
+ { .n = "pioDE_clk", .id = 5, },
+ { .n = "trng_clk", .id = 6, },
+ { .n = "usart0_clk", .id = 7, },
+ { .n = "usart1_clk", .id = 8, },
+ { .n = "usart2_clk", .id = 9, },
+ { .n = "usart3_clk", .id = 10, },
+ { .n = "mci0_clk", .id = 11, },
+ { .n = "twi0_clk", .id = 12, },
+ { .n = "twi1_clk", .id = 13, },
+ { .n = "spi0_clk", .id = 14, },
+ { .n = "spi1_clk", .id = 15, },
+ { .n = "ssc0_clk", .id = 16, },
+ { .n = "ssc1_clk", .id = 17, },
+ { .n = "tcb0_clk", .id = 18, },
+ { .n = "pwm_clk", .id = 19, },
+ { .n = "adc_clk", .id = 20, },
+ { .n = "dma0_clk", .id = 21, },
+ { .n = "uhphs_clk", .id = 22, },
+ { .n = "lcd_clk", .id = 23, },
+ { .n = "ac97_clk", .id = 24, },
+ { .n = "macb0_clk", .id = 25, },
+ { .n = "isi_clk", .id = 26, },
+ { .n = "udphs_clk", .id = 27, },
+ { .n = "aestdessha_clk", .id = 28, },
+ { .n = "mci1_clk", .id = 29, },
+ { .n = "vdec_clk", .id = 30, },
+};
+
+static void __init at91sam9g45_pmc_setup(struct device_node *np)
+{
+ const char *slck_name, *mainxtal_name;
+ struct pmc_data *at91sam9g45_pmc;
+ const char *parent_names[6];
+ struct regmap *regmap;
+ struct clk_hw *hw;
+ int i;
+ bool bypass;
+
+ i = of_property_match_string(np, "clock-names", "slow_clk");
+ if (i < 0)
+ return;
+
+ slck_name = of_clk_get_parent_name(np, i);
+
+ i = of_property_match_string(np, "clock-names", "main_xtal");
+ if (i < 0)
+ return;
+ mainxtal_name = of_clk_get_parent_name(np, i);
+
+ regmap = syscon_node_to_regmap(np);
+ if (IS_ERR(regmap))
+ return;
+
+ at91sam9g45_pmc = pmc_data_allocate(PMC_MAIN + 1,
+ nck(at91sam9g45_systemck),
+ nck(at91sam9g45_periphck), 0);
+ if (!at91sam9g45_pmc)
+ return;
+
+ bypass = of_property_read_bool(np, "atmel,osc-bypass");
+
+ hw = at91_clk_register_main_osc(regmap, "main_osc", mainxtal_name,
+ bypass);
+ if (IS_ERR(hw))
+ goto err_free;
+
+ hw = at91_clk_register_rm9200_main(regmap, "mainck", "main_osc");
+ if (IS_ERR(hw))
+ goto err_free;
+
+ at91sam9g45_pmc->chws[PMC_MAIN] = hw;
+
+ hw = at91_clk_register_pll(regmap, "pllack", "mainck", 0,
+ &at91rm9200_pll_layout, &plla_characteristics);
+ if (IS_ERR(hw))
+ goto err_free;
+
+ hw = at91_clk_register_plldiv(regmap, "plladivck", "pllack");
+ if (IS_ERR(hw))
+ goto err_free;
+
+ hw = at91_clk_register_utmi(regmap, NULL, "utmick", "mainck");
+ if (IS_ERR(hw))
+ goto err_free;
+
+ at91sam9g45_pmc->chws[PMC_UTMI] = hw;
+
+ parent_names[0] = slck_name;
+ parent_names[1] = "mainck";
+ parent_names[2] = "plladivck";
+ parent_names[3] = "utmick";
+ hw = at91_clk_register_master(regmap, "masterck", 4, parent_names,
+ &at91rm9200_master_layout,
+ &mck_characteristics);
+ if (IS_ERR(hw))
+ goto err_free;
+
+ at91sam9g45_pmc->chws[PMC_MCK] = hw;
+
+ parent_names[0] = "plladivck";
+ parent_names[1] = "utmick";
+ hw = at91sam9x5_clk_register_usb(regmap, "usbck", parent_names, 2);
+ if (IS_ERR(hw))
+ goto err_free;
+
+ parent_names[0] = slck_name;
+ parent_names[1] = "mainck";
+ parent_names[2] = "plladivck";
+ parent_names[3] = "utmick";
+ parent_names[4] = "masterck";
+ for (i = 0; i < 2; i++) {
+ char name[6];
+
+ snprintf(name, sizeof(name), "prog%d", i);
+
+ hw = at91_clk_register_programmable(regmap, name,
+ parent_names, 5, i,
+ &at91sam9g45_programmable_layout);
+ if (IS_ERR(hw))
+ goto err_free;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(at91sam9g45_systemck); i++) {
+ hw = at91_clk_register_system(regmap, at91sam9g45_systemck[i].n,
+ at91sam9g45_systemck[i].p,
+ at91sam9g45_systemck[i].id);
+ if (IS_ERR(hw))
+ goto err_free;
+
+ at91sam9g45_pmc->shws[at91sam9g45_systemck[i].id] = hw;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(at91sam9g45_periphck); i++) {
+ hw = at91_clk_register_peripheral(regmap,
+ at91sam9g45_periphck[i].n,
+ "masterck",
+ at91sam9g45_periphck[i].id);
+ if (IS_ERR(hw))
+ goto err_free;
+
+ at91sam9g45_pmc->phws[at91sam9g45_periphck[i].id] = hw;
+ }
+
+ of_clk_add_hw_provider(np, of_clk_hw_pmc_get, at91sam9g45_pmc);
+
+ return;
+
+err_free:
+ pmc_data_free(at91sam9g45_pmc);
+}
+/*
+ * The TCB is used as the clocksource so its clock is needed early. This means
+ * this can't be a platform driver.
+ */
+CLK_OF_DECLARE_DRIVER(at91sam9g45_pmc, "atmel,at91sam9g45-pmc",
+ at91sam9g45_pmc_setup);
diff --git a/drivers/clk/at91/at91sam9n12.c b/drivers/clk/at91/at91sam9n12.c
new file mode 100644
index 000000000000..8bb39d2ba84b
--- /dev/null
+++ b/drivers/clk/at91/at91sam9n12.c
@@ -0,0 +1,238 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/clk-provider.h>
+#include <linux/mfd/syscon.h>
+#include <linux/slab.h>
+
+#include <dt-bindings/clock/at91.h>
+
+#include "pmc.h"
+
+static const struct clk_master_characteristics mck_characteristics = {
+ .output = { .min = 0, .max = 133333333 },
+ .divisors = { 1, 2, 4, 3 },
+ .have_div3_pres = 1,
+};
+
+static u8 plla_out[] = { 0, 1, 2, 3, 0, 1, 2, 3 };
+
+static u16 plla_icpll[] = { 0, 0, 0, 0, 1, 1, 1, 1 };
+
+static const struct clk_range plla_outputs[] = {
+ { .min = 745000000, .max = 800000000 },
+ { .min = 695000000, .max = 750000000 },
+ { .min = 645000000, .max = 700000000 },
+ { .min = 595000000, .max = 650000000 },
+ { .min = 545000000, .max = 600000000 },
+ { .min = 495000000, .max = 555000000 },
+ { .min = 445000000, .max = 500000000 },
+ { .min = 400000000, .max = 450000000 },
+};
+
+static const struct clk_pll_characteristics plla_characteristics = {
+ .input = { .min = 2000000, .max = 32000000 },
+ .num_output = ARRAY_SIZE(plla_outputs),
+ .output = plla_outputs,
+ .icpll = plla_icpll,
+ .out = plla_out,
+};
+
+static u8 pllb_out[] = { 0 };
+
+static const struct clk_range pllb_outputs[] = {
+ { .min = 30000000, .max = 100000000 },
+};
+
+static const struct clk_pll_characteristics pllb_characteristics = {
+ .input = { .min = 2000000, .max = 32000000 },
+ .num_output = ARRAY_SIZE(pllb_outputs),
+ .output = pllb_outputs,
+ .out = pllb_out,
+};
+
+static const struct {
+ char *n;
+ char *p;
+ u8 id;
+} at91sam9n12_systemck[] = {
+ { .n = "ddrck", .p = "masterck", .id = 2 },
+ { .n = "lcdck", .p = "masterck", .id = 3 },
+ { .n = "uhpck", .p = "usbck", .id = 6 },
+ { .n = "udpck", .p = "usbck", .id = 7 },
+ { .n = "pck0", .p = "prog0", .id = 8 },
+ { .n = "pck1", .p = "prog1", .id = 9 },
+};
+
+static const struct clk_pcr_layout at91sam9n12_pcr_layout = {
+ .offset = 0x10c,
+ .cmd = BIT(12),
+ .pid_mask = GENMASK(5, 0),
+ .div_mask = GENMASK(17, 16),
+};
+
+struct pck {
+ char *n;
+ u8 id;
+};
+
+static const struct pck at91sam9n12_periphck[] = {
+ { .n = "pioAB_clk", .id = 2, },
+ { .n = "pioCD_clk", .id = 3, },
+ { .n = "fuse_clk", .id = 4, },
+ { .n = "usart0_clk", .id = 5, },
+ { .n = "usart1_clk", .id = 6, },
+ { .n = "usart2_clk", .id = 7, },
+ { .n = "usart3_clk", .id = 8, },
+ { .n = "twi0_clk", .id = 9, },
+ { .n = "twi1_clk", .id = 10, },
+ { .n = "mci0_clk", .id = 12, },
+ { .n = "spi0_clk", .id = 13, },
+ { .n = "spi1_clk", .id = 14, },
+ { .n = "uart0_clk", .id = 15, },
+ { .n = "uart1_clk", .id = 16, },
+ { .n = "tcb_clk", .id = 17, },
+ { .n = "pwm_clk", .id = 18, },
+ { .n = "adc_clk", .id = 19, },
+ { .n = "dma0_clk", .id = 20, },
+ { .n = "uhphs_clk", .id = 22, },
+ { .n = "udphs_clk", .id = 23, },
+ { .n = "lcdc_clk", .id = 25, },
+ { .n = "sha_clk", .id = 27, },
+ { .n = "ssc0_clk", .id = 28, },
+ { .n = "aes_clk", .id = 29, },
+ { .n = "trng_clk", .id = 30, },
+};
+
+static void __init at91sam9n12_pmc_setup(struct device_node *np)
+{
+ struct clk_range range = CLK_RANGE(0, 0);
+ const char *slck_name, *mainxtal_name;
+ struct pmc_data *at91sam9n12_pmc;
+ const char *parent_names[6];
+ struct regmap *regmap;
+ struct clk_hw *hw;
+ int i;
+ bool bypass;
+
+ i = of_property_match_string(np, "clock-names", "slow_clk");
+ if (i < 0)
+ return;
+
+ slck_name = of_clk_get_parent_name(np, i);
+
+ i = of_property_match_string(np, "clock-names", "main_xtal");
+ if (i < 0)
+ return;
+ mainxtal_name = of_clk_get_parent_name(np, i);
+
+ regmap = syscon_node_to_regmap(np);
+ if (IS_ERR(regmap))
+ return;
+
+ at91sam9n12_pmc = pmc_data_allocate(PMC_MAIN + 1,
+ nck(at91sam9n12_systemck), 31, 0);
+ if (!at91sam9n12_pmc)
+ return;
+
+ hw = at91_clk_register_main_rc_osc(regmap, "main_rc_osc", 12000000,
+ 50000000);
+ if (IS_ERR(hw))
+ goto err_free;
+
+ bypass = of_property_read_bool(np, "atmel,osc-bypass");
+
+ hw = at91_clk_register_main_osc(regmap, "main_osc", mainxtal_name,
+ bypass);
+ if (IS_ERR(hw))
+ goto err_free;
+
+ parent_names[0] = "main_rc_osc";
+ parent_names[1] = "main_osc";
+ hw = at91_clk_register_sam9x5_main(regmap, "mainck", parent_names, 2);
+ if (IS_ERR(hw))
+ goto err_free;
+
+ at91sam9n12_pmc->chws[PMC_MAIN] = hw;
+
+ hw = at91_clk_register_pll(regmap, "pllack", "mainck", 0,
+ &at91rm9200_pll_layout, &plla_characteristics);
+ if (IS_ERR(hw))
+ goto err_free;
+
+ hw = at91_clk_register_plldiv(regmap, "plladivck", "pllack");
+ if (IS_ERR(hw))
+ goto err_free;
+
+ hw = at91_clk_register_pll(regmap, "pllbck", "mainck", 1,
+ &at91rm9200_pll_layout, &pllb_characteristics);
+ if (IS_ERR(hw))
+ goto err_free;
+
+ parent_names[0] = slck_name;
+ parent_names[1] = "mainck";
+ parent_names[2] = "plladivck";
+ parent_names[3] = "pllbck";
+ hw = at91_clk_register_master(regmap, "masterck", 4, parent_names,
+ &at91sam9x5_master_layout,
+ &mck_characteristics);
+ if (IS_ERR(hw))
+ goto err_free;
+
+ at91sam9n12_pmc->chws[PMC_MCK] = hw;
+
+ hw = at91sam9n12_clk_register_usb(regmap, "usbck", "pllbck");
+ if (IS_ERR(hw))
+ goto err_free;
+
+ parent_names[0] = slck_name;
+ parent_names[1] = "mainck";
+ parent_names[2] = "plladivck";
+ parent_names[3] = "pllbck";
+ parent_names[4] = "masterck";
+ for (i = 0; i < 2; i++) {
+ char name[6];
+
+ snprintf(name, sizeof(name), "prog%d", i);
+
+ hw = at91_clk_register_programmable(regmap, name,
+ parent_names, 5, i,
+ &at91sam9x5_programmable_layout);
+ if (IS_ERR(hw))
+ goto err_free;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(at91sam9n12_systemck); i++) {
+ hw = at91_clk_register_system(regmap, at91sam9n12_systemck[i].n,
+ at91sam9n12_systemck[i].p,
+ at91sam9n12_systemck[i].id);
+ if (IS_ERR(hw))
+ goto err_free;
+
+ at91sam9n12_pmc->shws[at91sam9n12_systemck[i].id] = hw;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(at91sam9n12_periphck); i++) {
+ hw = at91_clk_register_sam9x5_peripheral(regmap, &pmc_pcr_lock,
+ &at91sam9n12_pcr_layout,
+ at91sam9n12_periphck[i].n,
+ "masterck",
+ at91sam9n12_periphck[i].id,
+ &range);
+ if (IS_ERR(hw))
+ goto err_free;
+
+ at91sam9n12_pmc->phws[at91sam9n12_periphck[i].id] = hw;
+ }
+
+ of_clk_add_hw_provider(np, of_clk_hw_pmc_get, at91sam9n12_pmc);
+
+ return;
+
+err_free:
+ pmc_data_free(at91sam9n12_pmc);
+}
+/*
+ * The TCB is used as the clocksource so its clock is needed early. This means
+ * this can't be a platform driver.
+ */
+CLK_OF_DECLARE_DRIVER(at91sam9n12_pmc, "atmel,at91sam9n12-pmc",
+ at91sam9n12_pmc_setup);
diff --git a/drivers/clk/at91/clk-usb.c b/drivers/clk/at91/clk-usb.c
index 22aede42a336..31d5c45e30d7 100644
--- a/drivers/clk/at91/clk-usb.c
+++ b/drivers/clk/at91/clk-usb.c
@@ -25,6 +25,7 @@ struct at91sam9x5_clk_usb {
struct clk_hw hw;
struct regmap *regmap;
u32 usbs_mask;
+ u8 num_parents;
};
#define to_at91sam9x5_clk_usb(hw) \
@@ -75,6 +76,9 @@ static int at91sam9x5_clk_usb_determine_rate(struct clk_hw *hw,
tmp_parent_rate = req->rate * div;
tmp_parent_rate = clk_hw_round_rate(parent,
tmp_parent_rate);
+ if (!tmp_parent_rate)
+ continue;
+
tmp_rate = DIV_ROUND_CLOSEST(tmp_parent_rate, div);
if (tmp_rate < req->rate)
tmp_diff = req->rate - tmp_rate;
@@ -107,7 +111,7 @@ static int at91sam9x5_clk_usb_set_parent(struct clk_hw *hw, u8 index)
{
struct at91sam9x5_clk_usb *usb = to_at91sam9x5_clk_usb(hw);
- if (index > 1)
+ if (index >= usb->num_parents)
return -EINVAL;
regmap_update_bits(usb->regmap, AT91_PMC_USB, usb->usbs_mask, index);
@@ -211,7 +215,8 @@ _at91sam9x5_clk_register_usb(struct regmap *regmap, const char *name,
usb->hw.init = &init;
usb->regmap = regmap;
- usb->usbs_mask = SAM9X5_USBS_MASK;
+ usb->usbs_mask = usbs_mask;
+ usb->num_parents = num_parents;
hw = &usb->hw;
ret = clk_hw_register(NULL, &usb->hw);
diff --git a/drivers/clk/at91/sam9x60.c b/drivers/clk/at91/sam9x60.c
index 77398aefeb6d..cc19e8fb83be 100644
--- a/drivers/clk/at91/sam9x60.c
+++ b/drivers/clk/at91/sam9x60.c
@@ -124,7 +124,6 @@ static const struct {
char *n;
u8 id;
struct clk_range r;
- bool pll;
} sam9x60_gck[] = {
{ .n = "flex0_gclk", .id = 5, },
{ .n = "flex1_gclk", .id = 6, },
@@ -144,11 +143,9 @@ static const struct {
{ .n = "sdmmc1_gclk", .id = 26, .r = { .min = 0, .max = 105000000 }, },
{ .n = "flex11_gclk", .id = 32, },
{ .n = "flex12_gclk", .id = 33, },
- { .n = "i2s_gclk", .id = 34, .r = { .min = 0, .max = 105000000 },
- .pll = true, },
+ { .n = "i2s_gclk", .id = 34, .r = { .min = 0, .max = 105000000 }, },
{ .n = "pit64b_gclk", .id = 37, },
- { .n = "classd_gclk", .id = 42, .r = { .min = 0, .max = 100000000 },
- .pll = true, },
+ { .n = "classd_gclk", .id = 42, .r = { .min = 0, .max = 100000000 }, },
{ .n = "tcb1_gclk", .id = 45, },
{ .n = "dbgu_gclk", .id = 47, },
};
@@ -237,9 +234,8 @@ static void __init sam9x60_pmc_setup(struct device_node *np)
parent_names[0] = "pllack";
parent_names[1] = "upllck";
- parent_names[2] = "mainck";
- parent_names[3] = "mainck";
- hw = sam9x60_clk_register_usb(regmap, "usbck", parent_names, 4);
+ parent_names[2] = "main_osc";
+ hw = sam9x60_clk_register_usb(regmap, "usbck", parent_names, 3);
if (IS_ERR(hw))
goto err_free;
@@ -290,7 +286,7 @@ static void __init sam9x60_pmc_setup(struct device_node *np)
sam9x60_gck[i].n,
parent_names, 6,
sam9x60_gck[i].id,
- sam9x60_gck[i].pll,
+ false,
&sam9x60_gck[i].r);
if (IS_ERR(hw))
goto err_free;
diff --git a/drivers/clk/at91/sama5d3.c b/drivers/clk/at91/sama5d3.c
new file mode 100644
index 000000000000..88506f909c08
--- /dev/null
+++ b/drivers/clk/at91/sama5d3.c
@@ -0,0 +1,240 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/clk-provider.h>
+#include <linux/mfd/syscon.h>
+#include <linux/slab.h>
+
+#include <dt-bindings/clock/at91.h>
+
+#include "pmc.h"
+
+static const struct clk_master_characteristics mck_characteristics = {
+ .output = { .min = 0, .max = 166000000 },
+ .divisors = { 1, 2, 4, 3 },
+};
+
+static u8 plla_out[] = { 0 };
+
+static u16 plla_icpll[] = { 0 };
+
+static const struct clk_range plla_outputs[] = {
+ { .min = 400000000, .max = 1000000000 },
+};
+
+static const struct clk_pll_characteristics plla_characteristics = {
+ .input = { .min = 8000000, .max = 50000000 },
+ .num_output = ARRAY_SIZE(plla_outputs),
+ .output = plla_outputs,
+ .icpll = plla_icpll,
+ .out = plla_out,
+};
+
+static const struct clk_pcr_layout sama5d3_pcr_layout = {
+ .offset = 0x10c,
+ .cmd = BIT(12),
+ .pid_mask = GENMASK(6, 0),
+ .div_mask = GENMASK(17, 16),
+};
+
+static const struct {
+ char *n;
+ char *p;
+ u8 id;
+} sama5d3_systemck[] = {
+ { .n = "ddrck", .p = "masterck", .id = 2 },
+ { .n = "lcdck", .p = "masterck", .id = 3 },
+ { .n = "smdck", .p = "smdclk", .id = 4 },
+ { .n = "uhpck", .p = "usbck", .id = 6 },
+ { .n = "udpck", .p = "usbck", .id = 7 },
+ { .n = "pck0", .p = "prog0", .id = 8 },
+ { .n = "pck1", .p = "prog1", .id = 9 },
+ { .n = "pck2", .p = "prog2", .id = 10 },
+};
+
+static const struct {
+ char *n;
+ u8 id;
+ struct clk_range r;
+} sama5d3_periphck[] = {
+ { .n = "dbgu_clk", .id = 2, },
+ { .n = "hsmc_clk", .id = 5, },
+ { .n = "pioA_clk", .id = 6, },
+ { .n = "pioB_clk", .id = 7, },
+ { .n = "pioC_clk", .id = 8, },
+ { .n = "pioD_clk", .id = 9, },
+ { .n = "pioE_clk", .id = 10, },
+ { .n = "usart0_clk", .id = 12, .r = { .min = 0, .max = 83000000 }, },
+ { .n = "usart1_clk", .id = 13, .r = { .min = 0, .max = 83000000 }, },
+ { .n = "usart2_clk", .id = 14, .r = { .min = 0, .max = 83000000 }, },
+ { .n = "usart3_clk", .id = 15, .r = { .min = 0, .max = 83000000 }, },
+ { .n = "uart0_clk", .id = 16, .r = { .min = 0, .max = 83000000 }, },
+ { .n = "uart1_clk", .id = 17, .r = { .min = 0, .max = 83000000 }, },
+ { .n = "twi0_clk", .id = 18, .r = { .min = 0, .max = 41500000 }, },
+ { .n = "twi1_clk", .id = 19, .r = { .min = 0, .max = 41500000 }, },
+ { .n = "twi2_clk", .id = 20, .r = { .min = 0, .max = 41500000 }, },
+ { .n = "mci0_clk", .id = 21, },
+ { .n = "mci1_clk", .id = 22, },
+ { .n = "mci2_clk", .id = 23, },
+ { .n = "spi0_clk", .id = 24, .r = { .min = 0, .max = 166000000 }, },
+ { .n = "spi1_clk", .id = 25, .r = { .min = 0, .max = 166000000 }, },
+ { .n = "tcb0_clk", .id = 26, .r = { .min = 0, .max = 166000000 }, },
+ { .n = "tcb1_clk", .id = 27, .r = { .min = 0, .max = 166000000 }, },
+ { .n = "pwm_clk", .id = 28, },
+ { .n = "adc_clk", .id = 29, .r = { .min = 0, .max = 83000000 }, },
+ { .n = "dma0_clk", .id = 30, },
+ { .n = "dma1_clk", .id = 31, },
+ { .n = "uhphs_clk", .id = 32, },
+ { .n = "udphs_clk", .id = 33, },
+ { .n = "macb0_clk", .id = 34, },
+ { .n = "macb1_clk", .id = 35, },
+ { .n = "lcdc_clk", .id = 36, },
+ { .n = "isi_clk", .id = 37, },
+ { .n = "ssc0_clk", .id = 38, .r = { .min = 0, .max = 83000000 }, },
+ { .n = "ssc1_clk", .id = 39, .r = { .min = 0, .max = 83000000 }, },
+ { .n = "can0_clk", .id = 40, .r = { .min = 0, .max = 83000000 }, },
+ { .n = "can1_clk", .id = 41, .r = { .min = 0, .max = 83000000 }, },
+ { .n = "sha_clk", .id = 42, },
+ { .n = "aes_clk", .id = 43, },
+ { .n = "tdes_clk", .id = 44, },
+ { .n = "trng_clk", .id = 45, },
+ { .n = "fuse_clk", .id = 48, },
+ { .n = "mpddr_clk", .id = 49, },
+};
+
+static void __init sama5d3_pmc_setup(struct device_node *np)
+{
+ const char *slck_name, *mainxtal_name;
+ struct pmc_data *sama5d3_pmc;
+ const char *parent_names[5];
+ struct regmap *regmap;
+ struct clk_hw *hw;
+ int i;
+ bool bypass;
+
+ i = of_property_match_string(np, "clock-names", "slow_clk");
+ if (i < 0)
+ return;
+
+ slck_name = of_clk_get_parent_name(np, i);
+
+ i = of_property_match_string(np, "clock-names", "main_xtal");
+ if (i < 0)
+ return;
+ mainxtal_name = of_clk_get_parent_name(np, i);
+
+ regmap = syscon_node_to_regmap(np);
+ if (IS_ERR(regmap))
+ return;
+
+ sama5d3_pmc = pmc_data_allocate(PMC_MAIN + 1,
+ nck(sama5d3_systemck),
+ nck(sama5d3_periphck), 0);
+ if (!sama5d3_pmc)
+ return;
+
+ hw = at91_clk_register_main_rc_osc(regmap, "main_rc_osc", 12000000,
+ 50000000);
+ if (IS_ERR(hw))
+ goto err_free;
+
+ bypass = of_property_read_bool(np, "atmel,osc-bypass");
+
+ hw = at91_clk_register_main_osc(regmap, "main_osc", mainxtal_name,
+ bypass);
+ if (IS_ERR(hw))
+ goto err_free;
+
+ parent_names[0] = "main_rc_osc";
+ parent_names[1] = "main_osc";
+ hw = at91_clk_register_sam9x5_main(regmap, "mainck", parent_names, 2);
+ if (IS_ERR(hw))
+ goto err_free;
+
+ hw = at91_clk_register_pll(regmap, "pllack", "mainck", 0,
+ &sama5d3_pll_layout, &plla_characteristics);
+ if (IS_ERR(hw))
+ goto err_free;
+
+ hw = at91_clk_register_plldiv(regmap, "plladivck", "pllack");
+ if (IS_ERR(hw))
+ goto err_free;
+
+ hw = at91_clk_register_utmi(regmap, NULL, "utmick", "mainck");
+ if (IS_ERR(hw))
+ goto err_free;
+
+ sama5d3_pmc->chws[PMC_UTMI] = hw;
+
+ parent_names[0] = slck_name;
+ parent_names[1] = "mainck";
+ parent_names[2] = "plladivck";
+ parent_names[3] = "utmick";
+ hw = at91_clk_register_master(regmap, "masterck", 4, parent_names,
+ &at91sam9x5_master_layout,
+ &mck_characteristics);
+ if (IS_ERR(hw))
+ goto err_free;
+
+ sama5d3_pmc->chws[PMC_MCK] = hw;
+
+ parent_names[0] = "plladivck";
+ parent_names[1] = "utmick";
+ hw = at91sam9x5_clk_register_usb(regmap, "usbck", parent_names, 2);
+ if (IS_ERR(hw))
+ goto err_free;
+
+ hw = at91sam9x5_clk_register_smd(regmap, "smdclk", parent_names, 2);
+ if (IS_ERR(hw))
+ goto err_free;
+
+ parent_names[0] = slck_name;
+ parent_names[1] = "mainck";
+ parent_names[2] = "plladivck";
+ parent_names[3] = "utmick";
+ parent_names[4] = "masterck";
+ for (i = 0; i < 3; i++) {
+ char name[6];
+
+ snprintf(name, sizeof(name), "prog%d", i);
+
+ hw = at91_clk_register_programmable(regmap, name,
+ parent_names, 5, i,
+ &at91sam9x5_programmable_layout);
+ if (IS_ERR(hw))
+ goto err_free;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(sama5d3_systemck); i++) {
+ hw = at91_clk_register_system(regmap, sama5d3_systemck[i].n,
+ sama5d3_systemck[i].p,
+ sama5d3_systemck[i].id);
+ if (IS_ERR(hw))
+ goto err_free;
+
+ sama5d3_pmc->shws[sama5d3_systemck[i].id] = hw;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(sama5d3_periphck); i++) {
+ hw = at91_clk_register_sam9x5_peripheral(regmap, &pmc_pcr_lock,
+ &sama5d3_pcr_layout,
+ sama5d3_periphck[i].n,
+ "masterck",
+ sama5d3_periphck[i].id,
+ &sama5d3_periphck[i].r);
+ if (IS_ERR(hw))
+ goto err_free;
+
+ sama5d3_pmc->phws[sama5d3_periphck[i].id] = hw;
+ }
+
+ of_clk_add_hw_provider(np, of_clk_hw_pmc_get, sama5d3_pmc);
+
+ return;
+
+err_free:
+ pmc_data_free(sama5d3_pmc);
+}
+/*
+ * The TCB is used as the clocksource so its clock is needed early. This means
+ * this can't be a platform driver.
+ */
+CLK_OF_DECLARE_DRIVER(sama5d3_pmc, "atmel,sama5d3-pmc", sama5d3_pmc_setup);
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 766c3e58becc..f2c1377ef324 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -774,7 +774,7 @@ static void clk_core_rate_restore_protect(struct clk_core *core, int count)
* clk_rate_exclusive_get - get exclusivity over the clk rate control
* @clk: the clk over which the exclusity of rate control is requested
*
- * clk_rate_exlusive_get() begins a critical section during which a clock
+ * clk_rate_exclusive_get() begins a critical section during which a clock
* consumer cannot tolerate any other consumer making any operation on the
* clock which could result in a rate change or rate glitch. Exclusive clocks
* cannot have their rate changed, either directly or indirectly due to changes
diff --git a/drivers/clk/ingenic/jz4770-cgu.c b/drivers/clk/ingenic/jz4770-cgu.c
index 956dd653a43d..c051ecba5cf8 100644
--- a/drivers/clk/ingenic/jz4770-cgu.c
+++ b/drivers/clk/ingenic/jz4770-cgu.c
@@ -432,8 +432,10 @@ static void __init jz4770_cgu_init(struct device_node *np)
cgu = ingenic_cgu_new(jz4770_cgu_clocks,
ARRAY_SIZE(jz4770_cgu_clocks), np);
- if (!cgu)
+ if (!cgu) {
pr_err("%s: failed to initialise CGU\n", __func__);
+ return;
+ }
retval = ingenic_cgu_register_clocks(cgu);
if (retval)
diff --git a/drivers/clk/ingenic/jz4780-cgu.c b/drivers/clk/ingenic/jz4780-cgu.c
index ea905ff72bf0..c758f1643067 100644
--- a/drivers/clk/ingenic/jz4780-cgu.c
+++ b/drivers/clk/ingenic/jz4780-cgu.c
@@ -9,14 +9,16 @@
#include <linux/clk-provider.h>
#include <linux/delay.h>
#include <linux/io.h>
+#include <linux/iopoll.h>
#include <linux/of.h>
+
#include <dt-bindings/clock/jz4780-cgu.h>
#include "cgu.h"
#include "pm.h"
/* CGU register offsets */
#define CGU_REG_CLOCKCONTROL 0x00
-#define CGU_REG_PLLCONTROL 0x0c
+#define CGU_REG_LCR 0x04
#define CGU_REG_APLL 0x10
#define CGU_REG_MPLL 0x14
#define CGU_REG_EPLL 0x18
@@ -46,8 +48,8 @@
#define CGU_REG_CLOCKSTATUS 0xd4
/* bits within the OPCR register */
-#define OPCR_SPENDN0 (1 << 7)
-#define OPCR_SPENDN1 (1 << 6)
+#define OPCR_SPENDN0 BIT(7)
+#define OPCR_SPENDN1 BIT(6)
/* bits within the USBPCR register */
#define USBPCR_USB_MODE BIT(31)
@@ -88,6 +90,13 @@
#define USBVBFIL_IDDIGFIL_MASK (0xffff << USBVBFIL_IDDIGFIL_SHIFT)
#define USBVBFIL_USBVBFIL_MASK (0xffff)
+/* bits within the LCR register */
+#define LCR_PD_SCPU BIT(31)
+#define LCR_SCPUS BIT(27)
+
+/* bits within the CLKGR1 register */
+#define CLKGR1_CORE1 BIT(15)
+
static struct ingenic_cgu *cgu;
static u8 jz4780_otg_phy_get_parent(struct clk_hw *hw)
@@ -205,6 +214,42 @@ static const struct clk_ops jz4780_otg_phy_ops = {
.set_rate = jz4780_otg_phy_set_rate,
};
+static int jz4780_core1_enable(struct clk_hw *hw)
+{
+ struct ingenic_clk *ingenic_clk = to_ingenic_clk(hw);
+ struct ingenic_cgu *cgu = ingenic_clk->cgu;
+ const unsigned int timeout = 5000;
+ unsigned long flags;
+ int retval;
+ u32 lcr, clkgr1;
+
+ spin_lock_irqsave(&cgu->lock, flags);
+
+ lcr = readl(cgu->base + CGU_REG_LCR);
+ lcr &= ~LCR_PD_SCPU;
+ writel(lcr, cgu->base + CGU_REG_LCR);
+
+ clkgr1 = readl(cgu->base + CGU_REG_CLKGR1);
+ clkgr1 &= ~CLKGR1_CORE1;
+ writel(clkgr1, cgu->base + CGU_REG_CLKGR1);
+
+ spin_unlock_irqrestore(&cgu->lock, flags);
+
+ /* wait for the CPU to be powered up */
+ retval = readl_poll_timeout(cgu->base + CGU_REG_LCR, lcr,
+ !(lcr & LCR_SCPUS), 10, timeout);
+ if (retval == -ETIMEDOUT) {
+ pr_err("%s: Wait for power up core1 timeout\n", __func__);
+ return retval;
+ }
+
+ return 0;
+}
+
+static const struct clk_ops jz4780_core1_ops = {
+ .enable = jz4780_core1_enable,
+};
+
static const s8 pll_od_encoding[16] = {
0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
0x8, 0x9, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf,
@@ -699,9 +744,9 @@ static const struct ingenic_cgu_clk_info jz4780_cgu_clocks[] = {
},
[JZ4780_CLK_CORE1] = {
- "core1", CGU_CLK_GATE,
+ "core1", CGU_CLK_CUSTOM,
.parents = { JZ4780_CLK_CPU, -1, -1, -1 },
- .gate = { CGU_REG_CLKGR1, 15 },
+ .custom = { &jz4780_core1_ops },
},
};
diff --git a/drivers/clk/ingenic/tcu.c b/drivers/clk/ingenic/tcu.c
index ad7daa494fd4..153a954b0d2f 100644
--- a/drivers/clk/ingenic/tcu.c
+++ b/drivers/clk/ingenic/tcu.c
@@ -189,7 +189,7 @@ static long ingenic_tcu_round_rate(struct clk_hw *hw, unsigned long req_rate,
u8 prescale;
if (req_rate > rate)
- return -EINVAL;
+ return rate;
prescale = ingenic_tcu_get_prescale(rate, req_rate);
@@ -317,10 +317,17 @@ static const struct ingenic_soc_info jz4770_soc_info = {
.has_tcu_clk = false,
};
+static const struct ingenic_soc_info x1000_soc_info = {
+ .num_channels = 8,
+ .has_ost = false, /* X1000 has OST, but it not belong TCU */
+ .has_tcu_clk = false,
+};
+
static const struct of_device_id ingenic_tcu_of_match[] __initconst = {
{ .compatible = "ingenic,jz4740-tcu", .data = &jz4740_soc_info, },
{ .compatible = "ingenic,jz4725b-tcu", .data = &jz4725b_soc_info, },
{ .compatible = "ingenic,jz4770-tcu", .data = &jz4770_soc_info, },
+ { .compatible = "ingenic,x1000-tcu", .data = &x1000_soc_info, },
{ /* sentinel */ }
};
@@ -471,3 +478,4 @@ static void __init ingenic_tcu_init(struct device_node *np)
CLK_OF_DECLARE_DRIVER(jz4740_cgu, "ingenic,jz4740-tcu", ingenic_tcu_init);
CLK_OF_DECLARE_DRIVER(jz4725b_cgu, "ingenic,jz4725b-tcu", ingenic_tcu_init);
CLK_OF_DECLARE_DRIVER(jz4770_cgu, "ingenic,jz4770-tcu", ingenic_tcu_init);
+CLK_OF_DECLARE_DRIVER(x1000_cgu, "ingenic,x1000-tcu", ingenic_tcu_init);
diff --git a/drivers/clk/keystone/Kconfig b/drivers/clk/keystone/Kconfig
index 38aeefb1e808..ab613f28b502 100644
--- a/drivers/clk/keystone/Kconfig
+++ b/drivers/clk/keystone/Kconfig
@@ -26,3 +26,11 @@ config TI_SCI_CLK_PROBE_FROM_FW
This is mostly only useful for debugging purposes, and will
increase the boot time of the device. If you want the clocks probed
from firmware, say Y. Otherwise, say N.
+
+config TI_SYSCON_CLK
+ tristate "Syscon based clock driver for K2/K3 SoCs"
+ depends on ARCH_KEYSTONE || ARCH_K3 || COMPILE_TEST
+ default ARCH_KEYSTONE || ARCH_K3
+ help
+ This adds clock driver support for syscon based gate
+ clocks on TI's K2 and K3 SoCs.
diff --git a/drivers/clk/keystone/Makefile b/drivers/clk/keystone/Makefile
index d044de6f965c..0e426e648f7c 100644
--- a/drivers/clk/keystone/Makefile
+++ b/drivers/clk/keystone/Makefile
@@ -1,3 +1,4 @@
# SPDX-License-Identifier: GPL-2.0-only
obj-$(CONFIG_COMMON_CLK_KEYSTONE) += pll.o gate.o
obj-$(CONFIG_TI_SCI_CLK) += sci-clk.o
+obj-$(CONFIG_TI_SYSCON_CLK) += syscon-clk.o
diff --git a/drivers/clk/keystone/syscon-clk.c b/drivers/clk/keystone/syscon-clk.c
new file mode 100644
index 000000000000..8d7dbea3bd30
--- /dev/null
+++ b/drivers/clk/keystone/syscon-clk.c
@@ -0,0 +1,172 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2020 Texas Instruments Incorporated - http://www.ti.com/
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/mfd/syscon.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+
+struct ti_syscon_gate_clk_priv {
+ struct clk_hw hw;
+ struct regmap *regmap;
+ u32 reg;
+ u32 idx;
+};
+
+struct ti_syscon_gate_clk_data {
+ char *name;
+ u32 offset;
+ u32 bit_idx;
+};
+
+static struct
+ti_syscon_gate_clk_priv *to_ti_syscon_gate_clk_priv(struct clk_hw *hw)
+{
+ return container_of(hw, struct ti_syscon_gate_clk_priv, hw);
+}
+
+static int ti_syscon_gate_clk_enable(struct clk_hw *hw)
+{
+ struct ti_syscon_gate_clk_priv *priv = to_ti_syscon_gate_clk_priv(hw);
+
+ return regmap_write_bits(priv->regmap, priv->reg, priv->idx,
+ priv->idx);
+}
+
+static void ti_syscon_gate_clk_disable(struct clk_hw *hw)
+{
+ struct ti_syscon_gate_clk_priv *priv = to_ti_syscon_gate_clk_priv(hw);
+
+ regmap_write_bits(priv->regmap, priv->reg, priv->idx, 0);
+}
+
+static int ti_syscon_gate_clk_is_enabled(struct clk_hw *hw)
+{
+ unsigned int val;
+ struct ti_syscon_gate_clk_priv *priv = to_ti_syscon_gate_clk_priv(hw);
+
+ regmap_read(priv->regmap, priv->reg, &val);
+
+ return !!(val & priv->idx);
+}
+
+static const struct clk_ops ti_syscon_gate_clk_ops = {
+ .enable = ti_syscon_gate_clk_enable,
+ .disable = ti_syscon_gate_clk_disable,
+ .is_enabled = ti_syscon_gate_clk_is_enabled,
+};
+
+static struct clk_hw
+*ti_syscon_gate_clk_register(struct device *dev, struct regmap *regmap,
+ const struct ti_syscon_gate_clk_data *data)
+{
+ struct ti_syscon_gate_clk_priv *priv;
+ struct clk_init_data init;
+ int ret;
+
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return ERR_PTR(-ENOMEM);
+
+ init.name = data->name;
+ init.ops = &ti_syscon_gate_clk_ops;
+ init.parent_names = NULL;
+ init.num_parents = 0;
+ init.flags = 0;
+
+ priv->regmap = regmap;
+ priv->reg = data->offset;
+ priv->idx = BIT(data->bit_idx);
+ priv->hw.init = &init;
+
+ ret = devm_clk_hw_register(dev, &priv->hw);
+ if (ret)
+ return ERR_PTR(ret);
+
+ return &priv->hw;
+}
+
+static int ti_syscon_gate_clk_probe(struct platform_device *pdev)
+{
+ const struct ti_syscon_gate_clk_data *data, *p;
+ struct clk_hw_onecell_data *hw_data;
+ struct device *dev = &pdev->dev;
+ struct regmap *regmap;
+ int num_clks, i;
+
+ data = device_get_match_data(dev);
+ if (!data)
+ return -EINVAL;
+
+ regmap = syscon_node_to_regmap(dev->of_node);
+ if (IS_ERR(regmap)) {
+ if (PTR_ERR(regmap) == -EPROBE_DEFER)
+ return -EPROBE_DEFER;
+ dev_err(dev, "failed to find parent regmap\n");
+ return PTR_ERR(regmap);
+ }
+
+ num_clks = 0;
+ for (p = data; p->name; p++)
+ num_clks++;
+
+ hw_data = devm_kzalloc(dev, struct_size(hw_data, hws, num_clks),
+ GFP_KERNEL);
+ if (!hw_data)
+ return -ENOMEM;
+
+ hw_data->num = num_clks;
+
+ for (i = 0; i < num_clks; i++) {
+ hw_data->hws[i] = ti_syscon_gate_clk_register(dev, regmap,
+ &data[i]);
+ if (IS_ERR(hw_data->hws[i]))
+ dev_warn(dev, "failed to register %s\n",
+ data[i].name);
+ }
+
+ return devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get,
+ hw_data);
+}
+
+#define TI_SYSCON_CLK_GATE(_name, _offset, _bit_idx) \
+ { \
+ .name = _name, \
+ .offset = (_offset), \
+ .bit_idx = (_bit_idx), \
+ }
+
+static const struct ti_syscon_gate_clk_data am654_clk_data[] = {
+ TI_SYSCON_CLK_GATE("ehrpwm_tbclk0", 0x0, 0),
+ TI_SYSCON_CLK_GATE("ehrpwm_tbclk1", 0x4, 0),
+ TI_SYSCON_CLK_GATE("ehrpwm_tbclk2", 0x8, 0),
+ TI_SYSCON_CLK_GATE("ehrpwm_tbclk3", 0xc, 0),
+ TI_SYSCON_CLK_GATE("ehrpwm_tbclk4", 0x10, 0),
+ TI_SYSCON_CLK_GATE("ehrpwm_tbclk5", 0x14, 0),
+ { /* Sentinel */ },
+};
+
+static const struct of_device_id ti_syscon_gate_clk_ids[] = {
+ {
+ .compatible = "ti,am654-ehrpwm-tbclk",
+ .data = &am654_clk_data,
+ },
+ { }
+};
+MODULE_DEVICE_TABLE(of, ti_syscon_gate_clk_ids);
+
+static struct platform_driver ti_syscon_gate_clk_driver = {
+ .probe = ti_syscon_gate_clk_probe,
+ .driver = {
+ .name = "ti-syscon-gate-clk",
+ .of_match_table = ti_syscon_gate_clk_ids,
+ },
+};
+module_platform_driver(ti_syscon_gate_clk_driver);
+
+MODULE_AUTHOR("Vignesh Raghavendra <vigneshr@ti.com>");
+MODULE_DESCRIPTION("Syscon backed gate-clock driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/clk/mmp/Makefile b/drivers/clk/mmp/Makefile
index acc141adf087..14dc8a8a9d08 100644
--- a/drivers/clk/mmp/Makefile
+++ b/drivers/clk/mmp/Makefile
@@ -8,7 +8,7 @@ obj-y += clk-apbc.o clk-apmu.o clk-frac.o clk-mix.o clk-gate.o clk.o
obj-$(CONFIG_RESET_CONTROLLER) += reset.o
obj-$(CONFIG_MACH_MMP_DT) += clk-of-pxa168.o clk-of-pxa910.o
-obj-$(CONFIG_COMMON_CLK_MMP2) += clk-of-mmp2.o
+obj-$(CONFIG_COMMON_CLK_MMP2) += clk-of-mmp2.o clk-pll.o
obj-$(CONFIG_CPU_PXA168) += clk-pxa168.o
obj-$(CONFIG_CPU_PXA910) += clk-pxa910.o
diff --git a/drivers/clk/mmp/clk-mix.c b/drivers/clk/mmp/clk-mix.c
index d2cd36c54474..7a351ec65564 100644
--- a/drivers/clk/mmp/clk-mix.c
+++ b/drivers/clk/mmp/clk-mix.c
@@ -441,7 +441,7 @@ const struct clk_ops mmp_clk_mix_ops = {
struct clk *mmp_clk_register_mix(struct device *dev,
const char *name,
- const char **parent_names,
+ const char * const *parent_names,
u8 num_parents,
unsigned long flags,
struct mmp_clk_mix_config *config,
diff --git a/drivers/clk/mmp/clk-of-mmp2.c b/drivers/clk/mmp/clk-of-mmp2.c
index 6e71591e63a0..52dc8b43acd9 100644
--- a/drivers/clk/mmp/clk-of-mmp2.c
+++ b/drivers/clk/mmp/clk-of-mmp2.c
@@ -3,6 +3,7 @@
*
* Copyright (C) 2012 Marvell
* Chao Xie <xiechao.mail@gmail.com>
+ * Copyright (C) 2020 Lubomir Rintel <lkundrak@v3.sk>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
@@ -48,17 +49,39 @@
#define APMU_SDH1 0x58
#define APMU_SDH2 0xe8
#define APMU_SDH3 0xec
+#define APMU_SDH4 0x15c
#define APMU_USB 0x5c
#define APMU_DISP0 0x4c
#define APMU_DISP1 0x110
#define APMU_CCIC0 0x50
#define APMU_CCIC1 0xf4
+#define APBC_THERMAL0 0x90
+#define APBC_THERMAL1 0x98
+#define APBC_THERMAL2 0x9c
+#define APBC_THERMAL3 0xa0
#define APMU_USBHSIC0 0xf8
#define APMU_USBHSIC1 0xfc
-#define MPMU_UART_PLL 0x14
+#define APMU_GPU 0xcc
+
+#define MPMU_FCCR 0x8
+#define MPMU_POSR 0x10
+#define MPMU_UART_PLL 0x14
+#define MPMU_PLL2_CR 0x34
+/* MMP3 specific below */
+#define MPMU_PLL3_CR 0x50
+#define MPMU_PLL3_CTRL1 0x58
+#define MPMU_PLL1_CTRL 0x5c
+#define MPMU_PLL_DIFF_CTRL 0x68
+#define MPMU_PLL2_CTRL1 0x414
+
+enum mmp2_clk_model {
+ CLK_MODEL_MMP2,
+ CLK_MODEL_MMP3,
+};
struct mmp2_clk_unit {
struct mmp_clk_unit unit;
+ enum mmp2_clk_model model;
void __iomem *mpmu_base;
void __iomem *apmu_base;
void __iomem *apbc_base;
@@ -67,11 +90,22 @@ struct mmp2_clk_unit {
static struct mmp_param_fixed_rate_clk fixed_rate_clks[] = {
{MMP2_CLK_CLK32, "clk32", NULL, 0, 32768},
{MMP2_CLK_VCTCXO, "vctcxo", NULL, 0, 26000000},
- {MMP2_CLK_PLL1, "pll1", NULL, 0, 800000000},
- {MMP2_CLK_PLL2, "pll2", NULL, 0, 960000000},
{MMP2_CLK_USB_PLL, "usb_pll", NULL, 0, 480000000},
};
+static struct mmp_param_pll_clk pll_clks[] = {
+ {MMP2_CLK_PLL1, "pll1", 797330000, MPMU_FCCR, 0x4000, MPMU_POSR, 0},
+ {MMP2_CLK_PLL2, "pll2", 0, MPMU_PLL2_CR, 0x0300, MPMU_PLL2_CR, 10},
+};
+
+static struct mmp_param_pll_clk mmp3_pll_clks[] = {
+ {MMP2_CLK_PLL2, "pll1", 797330000, MPMU_FCCR, 0x4000, MPMU_POSR, 0, 26000000, MPMU_PLL1_CTRL, 25},
+ {MMP2_CLK_PLL2, "pll2", 0, MPMU_PLL2_CR, 0x0300, MPMU_PLL2_CR, 10, 26000000, MPMU_PLL2_CTRL1, 25},
+ {MMP3_CLK_PLL1_P, "pll1_p", 0, MPMU_PLL_DIFF_CTRL, 0x0010, 0, 0, 797330000, MPMU_PLL_DIFF_CTRL, 0},
+ {MMP3_CLK_PLL2_P, "pll2_p", 0, MPMU_PLL_DIFF_CTRL, 0x0100, MPMU_PLL2_CR, 10, 26000000, MPMU_PLL_DIFF_CTRL, 5},
+ {MMP3_CLK_PLL3, "pll3", 0, MPMU_PLL3_CR, 0x0300, MPMU_PLL3_CR, 10, 26000000, MPMU_PLL3_CTRL1, 25},
+};
+
static struct mmp_param_fixed_factor_clk fixed_factor_clks[] = {
{MMP2_CLK_PLL1_2, "pll1_2", "pll1", 1, 2, 0},
{MMP2_CLK_PLL1_4, "pll1_4", "pll1_2", 1, 2, 0},
@@ -113,6 +147,16 @@ static void mmp2_pll_init(struct mmp2_clk_unit *pxa_unit)
mmp_register_fixed_rate_clks(unit, fixed_rate_clks,
ARRAY_SIZE(fixed_rate_clks));
+ if (pxa_unit->model == CLK_MODEL_MMP3) {
+ mmp_register_pll_clks(unit, mmp3_pll_clks,
+ pxa_unit->mpmu_base,
+ ARRAY_SIZE(mmp3_pll_clks));
+ } else {
+ mmp_register_pll_clks(unit, pll_clks,
+ pxa_unit->mpmu_base,
+ ARRAY_SIZE(pll_clks));
+ }
+
mmp_register_fixed_factor_clks(unit, fixed_factor_clks,
ARRAY_SIZE(fixed_factor_clks));
@@ -127,16 +171,16 @@ static void mmp2_pll_init(struct mmp2_clk_unit *pxa_unit)
static DEFINE_SPINLOCK(uart0_lock);
static DEFINE_SPINLOCK(uart1_lock);
static DEFINE_SPINLOCK(uart2_lock);
-static const char *uart_parent_names[] = {"uart_pll", "vctcxo"};
+static const char * const uart_parent_names[] = {"uart_pll", "vctcxo"};
static DEFINE_SPINLOCK(ssp0_lock);
static DEFINE_SPINLOCK(ssp1_lock);
static DEFINE_SPINLOCK(ssp2_lock);
static DEFINE_SPINLOCK(ssp3_lock);
-static const char *ssp_parent_names[] = {"vctcxo_4", "vctcxo_2", "vctcxo", "pll1_16"};
+static const char * const ssp_parent_names[] = {"vctcxo_4", "vctcxo_2", "vctcxo", "pll1_16"};
static DEFINE_SPINLOCK(timer_lock);
-static const char *timer_parent_names[] = {"clk32", "vctcxo_4", "vctcxo_2", "vctcxo"};
+static const char * const timer_parent_names[] = {"clk32", "vctcxo_4", "vctcxo_2", "vctcxo"};
static DEFINE_SPINLOCK(reset_lock);
@@ -176,6 +220,13 @@ static struct mmp_param_gate_clk apbc_gate_clks[] = {
{MMP2_CLK_SSP2, "ssp2_clk", "ssp2_mux", CLK_SET_RATE_PARENT, APBC_SSP2, 0x7, 0x3, 0x0, 0, &ssp2_lock},
{MMP2_CLK_SSP3, "ssp3_clk", "ssp3_mux", CLK_SET_RATE_PARENT, APBC_SSP3, 0x7, 0x3, 0x0, 0, &ssp3_lock},
{MMP2_CLK_TIMER, "timer_clk", "timer_mux", CLK_SET_RATE_PARENT, APBC_TIMER, 0x7, 0x3, 0x0, 0, &timer_lock},
+ {MMP2_CLK_THERMAL0, "thermal0_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_THERMAL0, 0x7, 0x3, 0x0, MMP_CLK_GATE_NEED_DELAY, &reset_lock},
+};
+
+static struct mmp_param_gate_clk mmp3_apbc_gate_clks[] = {
+ {MMP3_CLK_THERMAL1, "thermal1_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_THERMAL1, 0x7, 0x3, 0x0, MMP_CLK_GATE_NEED_DELAY, &reset_lock},
+ {MMP3_CLK_THERMAL2, "thermal2_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_THERMAL2, 0x7, 0x3, 0x0, MMP_CLK_GATE_NEED_DELAY, &reset_lock},
+ {MMP3_CLK_THERMAL3, "thermal3_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_THERMAL3, 0x7, 0x3, 0x0, MMP_CLK_GATE_NEED_DELAY, &reset_lock},
};
static void mmp2_apb_periph_clk_init(struct mmp2_clk_unit *pxa_unit)
@@ -187,10 +238,15 @@ static void mmp2_apb_periph_clk_init(struct mmp2_clk_unit *pxa_unit)
mmp_register_gate_clks(unit, apbc_gate_clks, pxa_unit->apbc_base,
ARRAY_SIZE(apbc_gate_clks));
+
+ if (pxa_unit->model == CLK_MODEL_MMP3) {
+ mmp_register_gate_clks(unit, mmp3_apbc_gate_clks, pxa_unit->apbc_base,
+ ARRAY_SIZE(mmp3_apbc_gate_clks));
+ }
}
static DEFINE_SPINLOCK(sdh_lock);
-static const char *sdh_parent_names[] = {"pll1_4", "pll2", "usb_pll", "pll1"};
+static const char * const sdh_parent_names[] = {"pll1_4", "pll2", "usb_pll", "pll1"};
static struct mmp_clk_mix_config sdh_mix_config = {
.reg_info = DEFINE_MIX_REG_INFO(4, 10, 2, 8, 32),
};
@@ -201,11 +257,20 @@ static DEFINE_SPINLOCK(usbhsic1_lock);
static DEFINE_SPINLOCK(disp0_lock);
static DEFINE_SPINLOCK(disp1_lock);
-static const char *disp_parent_names[] = {"pll1", "pll1_16", "pll2", "vctcxo"};
+static const char * const disp_parent_names[] = {"pll1", "pll1_16", "pll2", "vctcxo"};
static DEFINE_SPINLOCK(ccic0_lock);
static DEFINE_SPINLOCK(ccic1_lock);
-static const char *ccic_parent_names[] = {"pll1_2", "pll1_16", "vctcxo"};
+static const char * const ccic_parent_names[] = {"pll1_2", "pll1_16", "vctcxo"};
+
+static DEFINE_SPINLOCK(gpu_lock);
+static const char * const mmp2_gpu_gc_parent_names[] = {"pll1_2", "pll1_3", "pll2_2", "pll2_3", "pll2", "usb_pll"};
+static u32 mmp2_gpu_gc_parent_table[] = { 0x0000, 0x0040, 0x0080, 0x00c0, 0x1000, 0x1040 };
+static const char * const mmp2_gpu_bus_parent_names[] = {"pll1_4", "pll2", "pll2_2", "usb_pll"};
+static u32 mmp2_gpu_bus_parent_table[] = { 0x0000, 0x0020, 0x0030, 0x4020 };
+static const char * const mmp3_gpu_bus_parent_names[] = {"pll1_4", "pll1_6", "pll1_2", "pll2_2"};
+static const char * const mmp3_gpu_gc_parent_names[] = {"pll1", "pll2", "pll1_p", "pll2_p"};
+
static struct mmp_clk_mix_config ccic0_mix_config = {
.reg_info = DEFINE_MIX_REG_INFO(4, 17, 2, 6, 32),
};
@@ -218,6 +283,15 @@ static struct mmp_param_mux_clk apmu_mux_clks[] = {
{MMP2_CLK_DISP1_MUX, "disp1_mux", disp_parent_names, ARRAY_SIZE(disp_parent_names), CLK_SET_RATE_PARENT, APMU_DISP1, 6, 2, 0, &disp1_lock},
};
+static struct mmp_param_mux_clk mmp3_apmu_mux_clks[] = {
+ {0, "gpu_bus_mux", mmp3_gpu_bus_parent_names, ARRAY_SIZE(mmp3_gpu_bus_parent_names),
+ CLK_SET_RATE_PARENT, APMU_GPU, 4, 2, 0, &gpu_lock},
+ {0, "gpu_3d_mux", mmp3_gpu_gc_parent_names, ARRAY_SIZE(mmp3_gpu_gc_parent_names),
+ CLK_SET_RATE_PARENT, APMU_GPU, 6, 2, 0, &gpu_lock},
+ {0, "gpu_2d_mux", mmp3_gpu_gc_parent_names, ARRAY_SIZE(mmp3_gpu_gc_parent_names),
+ CLK_SET_RATE_PARENT, APMU_GPU, 12, 2, 0, &gpu_lock},
+};
+
static struct mmp_param_div_clk apmu_div_clks[] = {
{0, "disp0_div", "disp0_mux", CLK_SET_RATE_PARENT, APMU_DISP0, 8, 4, 0, &disp0_lock},
{0, "disp0_sphy_div", "disp0_mux", CLK_SET_RATE_PARENT, APMU_DISP0, 15, 5, 0, &disp0_lock},
@@ -226,6 +300,11 @@ static struct mmp_param_div_clk apmu_div_clks[] = {
{0, "ccic1_sphy_div", "ccic1_mix_clk", CLK_SET_RATE_PARENT, APMU_CCIC1, 10, 5, 0, &ccic1_lock},
};
+static struct mmp_param_div_clk mmp3_apmu_div_clks[] = {
+ {0, "gpu_3d_div", "gpu_3d_mux", CLK_SET_RATE_PARENT, APMU_GPU, 24, 4, 0, &gpu_lock},
+ {0, "gpu_2d_div", "gpu_2d_mux", CLK_SET_RATE_PARENT, APMU_GPU, 28, 4, 0, &gpu_lock},
+};
+
static struct mmp_param_gate_clk apmu_gate_clks[] = {
{MMP2_CLK_USB, "usb_clk", "usb_pll", 0, APMU_USB, 0x9, 0x9, 0x0, 0, &usb_lock},
{MMP2_CLK_USBHSIC0, "usbhsic0_clk", "usb_pll", 0, APMU_USBHSIC0, 0x1b, 0x1b, 0x0, 0, &usbhsic0_lock},
@@ -235,8 +314,8 @@ static struct mmp_param_gate_clk apmu_gate_clks[] = {
{MMP2_CLK_SDH1, "sdh1_clk", "sdh_mix_clk", CLK_SET_RATE_PARENT, APMU_SDH1, 0x1b, 0x1b, 0x0, 0, &sdh_lock},
{MMP2_CLK_SDH2, "sdh2_clk", "sdh_mix_clk", CLK_SET_RATE_PARENT, APMU_SDH2, 0x1b, 0x1b, 0x0, 0, &sdh_lock},
{MMP2_CLK_SDH3, "sdh3_clk", "sdh_mix_clk", CLK_SET_RATE_PARENT, APMU_SDH3, 0x1b, 0x1b, 0x0, 0, &sdh_lock},
- {MMP2_CLK_DISP0, "disp0_clk", "disp0_div", CLK_SET_RATE_PARENT, APMU_DISP0, 0x09, 0x09, 0x0, 0, &disp0_lock},
- {MMP2_CLK_DISP0_LCDC, "disp0_lcdc_clk", "disp0_mux", CLK_SET_RATE_PARENT, APMU_DISP0, 0x12, 0x12, 0x0, 0, &disp0_lock},
+ {MMP2_CLK_DISP0, "disp0_clk", "disp0_div", CLK_SET_RATE_PARENT, APMU_DISP0, 0x12, 0x12, 0x0, 0, &disp0_lock},
+ {MMP2_CLK_DISP0_LCDC, "disp0_lcdc_clk", "disp0_mux", CLK_SET_RATE_PARENT, APMU_DISP0, 0x09, 0x09, 0x0, 0, &disp0_lock},
{MMP2_CLK_DISP0_SPHY, "disp0_sphy_clk", "disp0_sphy_div", CLK_SET_RATE_PARENT, APMU_DISP0, 0x1024, 0x1024, 0x0, 0, &disp0_lock},
{MMP2_CLK_DISP1, "disp1_clk", "disp1_div", CLK_SET_RATE_PARENT, APMU_DISP1, 0x09, 0x09, 0x0, 0, &disp1_lock},
{MMP2_CLK_CCIC_ARBITER, "ccic_arbiter", "vctcxo", CLK_SET_RATE_PARENT, APMU_CCIC0, 0x1800, 0x1800, 0x0, 0, &ccic0_lock},
@@ -246,6 +325,17 @@ static struct mmp_param_gate_clk apmu_gate_clks[] = {
{MMP2_CLK_CCIC1, "ccic1_clk", "ccic1_mix_clk", CLK_SET_RATE_PARENT, APMU_CCIC1, 0x1b, 0x1b, 0x0, 0, &ccic1_lock},
{MMP2_CLK_CCIC1_PHY, "ccic1_phy_clk", "ccic1_mix_clk", CLK_SET_RATE_PARENT, APMU_CCIC1, 0x24, 0x24, 0x0, 0, &ccic1_lock},
{MMP2_CLK_CCIC1_SPHY, "ccic1_sphy_clk", "ccic1_sphy_div", CLK_SET_RATE_PARENT, APMU_CCIC1, 0x300, 0x300, 0x0, 0, &ccic1_lock},
+ {MMP2_CLK_GPU_BUS, "gpu_bus_clk", "gpu_bus_mux", CLK_SET_RATE_PARENT, APMU_GPU, 0xa, 0xa, 0x0, MMP_CLK_GATE_NEED_DELAY, &gpu_lock},
+};
+
+static struct mmp_param_gate_clk mmp2_apmu_gate_clks[] = {
+ {MMP2_CLK_GPU_3D, "gpu_3d_clk", "gpu_3d_mux", CLK_SET_RATE_PARENT, APMU_GPU, 0x5, 0x5, 0x0, MMP_CLK_GATE_NEED_DELAY, &gpu_lock},
+};
+
+static struct mmp_param_gate_clk mmp3_apmu_gate_clks[] = {
+ {MMP3_CLK_SDH4, "sdh4_clk", "sdh_mix_clk", CLK_SET_RATE_PARENT, APMU_SDH4, 0x1b, 0x1b, 0x0, 0, &sdh_lock},
+ {MMP3_CLK_GPU_3D, "gpu_3d_clk", "gpu_3d_div", CLK_SET_RATE_PARENT, APMU_GPU, 0x5, 0x5, 0x0, MMP_CLK_GATE_NEED_DELAY, &gpu_lock},
+ {MMP3_CLK_GPU_2D, "gpu_2d_clk", "gpu_2d_div", CLK_SET_RATE_PARENT, APMU_GPU, 0x1c0000, 0x1c0000, 0x0, MMP_CLK_GATE_NEED_DELAY, &gpu_lock},
};
static void mmp2_axi_periph_clk_init(struct mmp2_clk_unit *pxa_unit)
@@ -281,6 +371,34 @@ static void mmp2_axi_periph_clk_init(struct mmp2_clk_unit *pxa_unit)
mmp_register_gate_clks(unit, apmu_gate_clks, pxa_unit->apmu_base,
ARRAY_SIZE(apmu_gate_clks));
+
+ if (pxa_unit->model == CLK_MODEL_MMP3) {
+ mmp_register_mux_clks(unit, mmp3_apmu_mux_clks, pxa_unit->apmu_base,
+ ARRAY_SIZE(mmp3_apmu_mux_clks));
+
+ mmp_register_div_clks(unit, mmp3_apmu_div_clks, pxa_unit->apmu_base,
+ ARRAY_SIZE(mmp3_apmu_div_clks));
+
+ mmp_register_gate_clks(unit, mmp3_apmu_gate_clks, pxa_unit->apmu_base,
+ ARRAY_SIZE(mmp3_apmu_gate_clks));
+ } else {
+ clk_register_mux_table(NULL, "gpu_3d_mux", mmp2_gpu_gc_parent_names,
+ ARRAY_SIZE(mmp2_gpu_gc_parent_names),
+ CLK_SET_RATE_PARENT,
+ pxa_unit->apmu_base + APMU_GPU,
+ 0, 0x10c0, 0,
+ mmp2_gpu_gc_parent_table, &gpu_lock);
+
+ clk_register_mux_table(NULL, "gpu_bus_mux", mmp2_gpu_bus_parent_names,
+ ARRAY_SIZE(mmp2_gpu_bus_parent_names),
+ CLK_SET_RATE_PARENT,
+ pxa_unit->apmu_base + APMU_GPU,
+ 0, 0x4030, 0,
+ mmp2_gpu_bus_parent_table, &gpu_lock);
+
+ mmp_register_gate_clks(unit, mmp2_apmu_gate_clks, pxa_unit->apmu_base,
+ ARRAY_SIZE(mmp2_apmu_gate_clks));
+ }
}
static void mmp2_clk_reset_init(struct device_node *np,
@@ -313,6 +431,11 @@ static void __init mmp2_clk_init(struct device_node *np)
if (!pxa_unit)
return;
+ if (of_device_is_compatible(np, "marvell,mmp3-clock"))
+ pxa_unit->model = CLK_MODEL_MMP3;
+ else
+ pxa_unit->model = CLK_MODEL_MMP2;
+
pxa_unit->mpmu_base = of_iomap(np, 0);
if (!pxa_unit->mpmu_base) {
pr_err("failed to map mpmu registers\n");
@@ -352,3 +475,4 @@ free_memory:
}
CLK_OF_DECLARE(mmp2_clk, "marvell,mmp2-clock", mmp2_clk_init);
+CLK_OF_DECLARE(mmp3_clk, "marvell,mmp3-clock", mmp2_clk_init);
diff --git a/drivers/clk/mmp/clk-pll.c b/drivers/clk/mmp/clk-pll.c
new file mode 100644
index 000000000000..7077be293871
--- /dev/null
+++ b/drivers/clk/mmp/clk-pll.c
@@ -0,0 +1,139 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * MMP PLL clock rate calculation
+ *
+ * Copyright (C) 2020 Lubomir Rintel <lkundrak@v3.sk>
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/slab.h>
+#include <linux/io.h>
+
+#include "clk.h"
+
+#define to_clk_mmp_pll(hw) container_of(hw, struct mmp_clk_pll, hw)
+
+struct mmp_clk_pll {
+ struct clk_hw hw;
+ unsigned long default_rate;
+ void __iomem *enable_reg;
+ u32 enable;
+ void __iomem *reg;
+ u8 shift;
+
+ unsigned long input_rate;
+ void __iomem *postdiv_reg;
+ u8 postdiv_shift;
+};
+
+static int mmp_clk_pll_is_enabled(struct clk_hw *hw)
+{
+ struct mmp_clk_pll *pll = to_clk_mmp_pll(hw);
+ u32 val;
+
+ val = readl_relaxed(pll->enable_reg);
+ if ((val & pll->enable) == pll->enable)
+ return 1;
+
+ /* Some PLLs, if not software controlled, output default clock. */
+ if (pll->default_rate > 0)
+ return 1;
+
+ return 0;
+}
+
+static unsigned long mmp_clk_pll_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct mmp_clk_pll *pll = to_clk_mmp_pll(hw);
+ u32 fbdiv, refdiv, postdiv;
+ u64 rate;
+ u32 val;
+
+ val = readl_relaxed(pll->enable_reg);
+ if ((val & pll->enable) != pll->enable)
+ return pll->default_rate;
+
+ if (pll->reg) {
+ val = readl_relaxed(pll->reg);
+ fbdiv = (val >> pll->shift) & 0x1ff;
+ refdiv = (val >> (pll->shift + 9)) & 0x1f;
+ } else {
+ fbdiv = 2;
+ refdiv = 1;
+ }
+
+ if (pll->postdiv_reg) {
+ /* MMP3 clock rate calculation */
+ static const u8 postdivs[] = {2, 3, 4, 5, 6, 8, 10, 12, 16};
+
+ val = readl_relaxed(pll->postdiv_reg);
+ postdiv = (val >> pll->postdiv_shift) & 0x7;
+
+ rate = pll->input_rate;
+ rate *= 2 * fbdiv;
+ do_div(rate, refdiv);
+ do_div(rate, postdivs[postdiv]);
+ } else {
+ /* MMP2 clock rate calculation */
+ if (refdiv == 3) {
+ rate = 19200000;
+ } else if (refdiv == 4) {
+ rate = 26000000;
+ } else {
+ pr_err("bad refdiv: %d (0x%08x)\n", refdiv, val);
+ return 0;
+ }
+
+ rate *= fbdiv + 2;
+ do_div(rate, refdiv + 2);
+ }
+
+ return (unsigned long)rate;
+}
+
+static const struct clk_ops mmp_clk_pll_ops = {
+ .is_enabled = mmp_clk_pll_is_enabled,
+ .recalc_rate = mmp_clk_pll_recalc_rate,
+};
+
+struct clk *mmp_clk_register_pll(char *name,
+ unsigned long default_rate,
+ void __iomem *enable_reg, u32 enable,
+ void __iomem *reg, u8 shift,
+ unsigned long input_rate,
+ void __iomem *postdiv_reg, u8 postdiv_shift)
+{
+ struct mmp_clk_pll *pll;
+ struct clk *clk;
+ struct clk_init_data init;
+
+ pll = kzalloc(sizeof(*pll), GFP_KERNEL);
+ if (!pll)
+ return ERR_PTR(-ENOMEM);
+
+ init.name = name;
+ init.ops = &mmp_clk_pll_ops;
+ init.flags = 0;
+ init.parent_names = NULL;
+ init.num_parents = 0;
+
+ pll->default_rate = default_rate;
+ pll->enable_reg = enable_reg;
+ pll->enable = enable;
+ pll->reg = reg;
+ pll->shift = shift;
+
+ pll->input_rate = input_rate;
+ pll->postdiv_reg = postdiv_reg;
+ pll->postdiv_shift = postdiv_shift;
+
+ pll->hw.init = &init;
+
+ clk = clk_register(NULL, &pll->hw);
+
+ if (IS_ERR(clk))
+ kfree(pll);
+
+ return clk;
+}
diff --git a/drivers/clk/mmp/clk.c b/drivers/clk/mmp/clk.c
index ca7d37e2c7be..317123641d1e 100644
--- a/drivers/clk/mmp/clk.c
+++ b/drivers/clk/mmp/clk.c
@@ -176,6 +176,37 @@ void mmp_register_div_clks(struct mmp_clk_unit *unit,
}
}
+void mmp_register_pll_clks(struct mmp_clk_unit *unit,
+ struct mmp_param_pll_clk *clks,
+ void __iomem *base, int size)
+{
+ struct clk *clk;
+ int i;
+
+ for (i = 0; i < size; i++) {
+ void __iomem *reg = NULL;
+
+ if (clks[i].offset)
+ reg = base + clks[i].offset;
+
+ clk = mmp_clk_register_pll(clks[i].name,
+ clks[i].default_rate,
+ base + clks[i].enable_offset,
+ clks[i].enable,
+ reg, clks[i].shift,
+ clks[i].input_rate,
+ base + clks[i].postdiv_offset,
+ clks[i].postdiv_shift);
+ if (IS_ERR(clk)) {
+ pr_err("%s: failed to register clock %s\n",
+ __func__, clks[i].name);
+ continue;
+ }
+ if (clks[i].id)
+ unit->clk_table[clks[i].id] = clk;
+ }
+}
+
void mmp_clk_add(struct mmp_clk_unit *unit, unsigned int id,
struct clk *clk)
{
diff --git a/drivers/clk/mmp/clk.h b/drivers/clk/mmp/clk.h
index 70bb73257647..971b4d6d992f 100644
--- a/drivers/clk/mmp/clk.h
+++ b/drivers/clk/mmp/clk.h
@@ -97,7 +97,7 @@ struct mmp_clk_mix {
extern const struct clk_ops mmp_clk_mix_ops;
extern struct clk *mmp_clk_register_mix(struct device *dev,
const char *name,
- const char **parent_names,
+ const char * const *parent_names,
u8 num_parents,
unsigned long flags,
struct mmp_clk_mix_config *config,
@@ -124,9 +124,6 @@ extern struct clk *mmp_clk_register_gate(struct device *dev, const char *name,
u32 val_disable, unsigned int gate_flags,
spinlock_t *lock);
-
-extern struct clk *mmp_clk_register_pll2(const char *name,
- const char *parent_name, unsigned long flags);
extern struct clk *mmp_clk_register_apbc(const char *name,
const char *parent_name, void __iomem *base,
unsigned int delay, unsigned int apbc_flags, spinlock_t *lock);
@@ -196,7 +193,7 @@ void mmp_register_gate_clks(struct mmp_clk_unit *unit,
struct mmp_param_mux_clk {
unsigned int id;
char *name;
- const char **parent_name;
+ const char * const *parent_name;
u8 num_parents;
unsigned long flags;
unsigned long offset;
@@ -224,6 +221,30 @@ void mmp_register_div_clks(struct mmp_clk_unit *unit,
struct mmp_param_div_clk *clks,
void __iomem *base, int size);
+struct mmp_param_pll_clk {
+ unsigned int id;
+ char *name;
+ unsigned long default_rate;
+ unsigned long enable_offset;
+ u32 enable;
+ unsigned long offset;
+ u8 shift;
+ /* MMP3 specific: */
+ unsigned long input_rate;
+ unsigned long postdiv_offset;
+ unsigned long postdiv_shift;
+};
+void mmp_register_pll_clks(struct mmp_clk_unit *unit,
+ struct mmp_param_pll_clk *clks,
+ void __iomem *base, int size);
+
+extern struct clk *mmp_clk_register_pll(char *name,
+ unsigned long default_rate,
+ void __iomem *enable_reg, u32 enable,
+ void __iomem *reg, u8 shift,
+ unsigned long input_rate,
+ void __iomem *postdiv_reg, u8 postdiv_shift);
+
#define DEFINE_MIX_REG_INFO(w_d, s_d, w_m, s_m, fc) \
{ \
.width_div = (w_d), \
diff --git a/drivers/clk/versatile/clk-icst.c b/drivers/clk/versatile/clk-icst.c
index fe686f77787f..692be2fd9261 100644
--- a/drivers/clk/versatile/clk-icst.c
+++ b/drivers/clk/versatile/clk-icst.c
@@ -34,18 +34,6 @@
#define INTEGRATOR_AP_PCI_25_33_MHZ BIT(8)
/**
- * enum icst_control_type - the type of ICST control register
- */
-enum icst_control_type {
- ICST_VERSATILE, /* The standard type, all control bits available */
- ICST_INTEGRATOR_AP_CM, /* Only 8 bits of VDW available */
- ICST_INTEGRATOR_AP_SYS, /* Only 8 bits of VDW available */
- ICST_INTEGRATOR_AP_PCI, /* Odd bit pattern storage */
- ICST_INTEGRATOR_CP_CM_CORE, /* Only 8 bits of VDW and 3 bits of OD */
- ICST_INTEGRATOR_CP_CM_MEM, /* Only 8 bits of VDW and 3 bits of OD */
-};
-
-/**
* struct clk_icst - ICST VCO clock wrapper
* @hw: corresponding clock hardware entry
* @vcoreg: VCO register address
@@ -344,12 +332,12 @@ static const struct clk_ops icst_ops = {
.set_rate = icst_set_rate,
};
-static struct clk *icst_clk_setup(struct device *dev,
- const struct clk_icst_desc *desc,
- const char *name,
- const char *parent_name,
- struct regmap *map,
- enum icst_control_type ctype)
+struct clk *icst_clk_setup(struct device *dev,
+ const struct clk_icst_desc *desc,
+ const char *name,
+ const char *parent_name,
+ struct regmap *map,
+ enum icst_control_type ctype)
{
struct clk *clk;
struct clk_icst *icst;
@@ -386,6 +374,7 @@ static struct clk *icst_clk_setup(struct device *dev,
return clk;
}
+EXPORT_SYMBOL_GPL(icst_clk_setup);
struct clk *icst_clk_register(struct device *dev,
const struct clk_icst_desc *desc,
diff --git a/drivers/clk/versatile/clk-icst.h b/drivers/clk/versatile/clk-icst.h
index e36ca1a20e90..1a119ef11066 100644
--- a/drivers/clk/versatile/clk-icst.h
+++ b/drivers/clk/versatile/clk-icst.h
@@ -1,4 +1,19 @@
/* SPDX-License-Identifier: GPL-2.0 */
+struct regmap;
+
+/**
+ * enum icst_control_type - the type of ICST control register
+ */
+enum icst_control_type {
+ ICST_VERSATILE, /* The standard type, all control bits available */
+ ICST_INTEGRATOR_AP_CM, /* Only 8 bits of VDW available */
+ ICST_INTEGRATOR_AP_SYS, /* Only 8 bits of VDW available */
+ ICST_INTEGRATOR_AP_PCI, /* Odd bit pattern storage */
+ ICST_INTEGRATOR_CP_CM_CORE, /* Only 8 bits of VDW and 3 bits of OD */
+ ICST_INTEGRATOR_CP_CM_MEM, /* Only 8 bits of VDW and 3 bits of OD */
+ ICST_INTEGRATOR_IM_PD1, /* Like the Versatile, all control bits */
+};
+
/**
* struct clk_icst_desc - descriptor for the ICST VCO
* @params: ICST parameters
@@ -17,3 +32,10 @@ struct clk *icst_clk_register(struct device *dev,
const char *name,
const char *parent_name,
void __iomem *base);
+
+struct clk *icst_clk_setup(struct device *dev,
+ const struct clk_icst_desc *desc,
+ const char *name,
+ const char *parent_name,
+ struct regmap *map,
+ enum icst_control_type ctype);
diff --git a/drivers/clk/versatile/clk-impd1.c b/drivers/clk/versatile/clk-impd1.c
index 1991f15a5db9..b05da8516d4c 100644
--- a/drivers/clk/versatile/clk-impd1.c
+++ b/drivers/clk/versatile/clk-impd1.c
@@ -7,7 +7,11 @@
#include <linux/clkdev.h>
#include <linux/err.h>
#include <linux/io.h>
+#include <linux/platform_device.h>
#include <linux/platform_data/clk-integrator.h>
+#include <linux/module.h>
+#include <linux/mfd/syscon.h>
+#include <linux/regmap.h>
#include "icst.h"
#include "clk-icst.h"
@@ -175,3 +179,78 @@ void integrator_impd1_clk_exit(unsigned int id)
kfree(imc->pclkname);
}
EXPORT_SYMBOL_GPL(integrator_impd1_clk_exit);
+
+static int integrator_impd1_clk_spawn(struct device *dev,
+ struct device_node *parent,
+ struct device_node *np)
+{
+ struct regmap *map;
+ struct clk *clk = ERR_PTR(-EINVAL);
+ const char *name = np->name;
+ const char *parent_name;
+ const struct clk_icst_desc *desc;
+ int ret;
+
+ map = syscon_node_to_regmap(parent);
+ if (IS_ERR(map)) {
+ pr_err("no regmap for syscon IM-PD1 ICST clock parent\n");
+ return PTR_ERR(map);
+ }
+
+ if (of_device_is_compatible(np, "arm,impd1-vco1")) {
+ desc = &impd1_icst1_desc;
+ } else if (of_device_is_compatible(np, "arm,impd1-vco2")) {
+ desc = &impd1_icst2_desc;
+ } else {
+ dev_err(dev, "not a clock node %s\n", name);
+ return -ENODEV;
+ }
+
+ parent_name = of_clk_get_parent_name(np, 0);
+ clk = icst_clk_setup(NULL, desc, name, parent_name, map,
+ ICST_INTEGRATOR_IM_PD1);
+ if (!IS_ERR(clk)) {
+ of_clk_add_provider(np, of_clk_src_simple_get, clk);
+ ret = 0;
+ } else {
+ dev_err(dev, "error setting up IM-PD1 ICST clock\n");
+ ret = PTR_ERR(clk);
+ }
+
+ return ret;
+}
+
+static int integrator_impd1_clk_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct device_node *np = dev->of_node;
+ struct device_node *child;
+ int ret = 0;
+
+ for_each_available_child_of_node(np, child) {
+ ret = integrator_impd1_clk_spawn(dev, np, child);
+ if (ret)
+ break;
+ }
+
+ return ret;
+}
+
+static const struct of_device_id impd1_syscon_match[] = {
+ { .compatible = "arm,im-pd1-syscon", },
+ {}
+};
+MODULE_DEVICE_TABLE(of, impd1_syscon_match);
+
+static struct platform_driver impd1_clk_driver = {
+ .driver = {
+ .name = "impd1-clk",
+ .of_match_table = impd1_syscon_match,
+ },
+ .probe = integrator_impd1_clk_probe,
+};
+builtin_platform_driver(impd1_clk_driver);
+
+MODULE_AUTHOR("Linus Walleij <linusw@kernel.org>");
+MODULE_DESCRIPTION("Arm IM-PD1 module clock driver");
+MODULE_LICENSE("GPL v2");
generated by cgit v1.2.3 (git 2.39.1) at 2024-10-09 06:27:53 +0000