diff options
author | Tom Rini <trini@konsulko.com> | 2019-04-30 23:21:27 -0400 |
---|---|---|
committer | Tom Rini <trini@konsulko.com> | 2019-05-01 07:25:51 -0400 |
commit | b4ee6daad7a2604ca9466b2ba48de86cc27d381f (patch) | |
tree | f28b8d6bfeface9e9f188ffc37322c89e9d1fe77 /drivers/clk | |
parent | a69120a0d7c8d4044cdaceea9eb03913ba4e49c7 (diff) | |
parent | 0d3912fcd41dc2a85891f78e8fc255a379323619 (diff) |
Merge tag 'u-boot-imx-20190426' of git://git.denx.de/u-boot-imx
Porting to DM and i.MX8
------------------------
- warp7 to DM
- kp_imx53 to DM
- Warnings in DT
- MX8QM support
- colibri-imx6ull to DM
- imx7d-pico to DM
- ocotp for MX8
Diffstat (limited to 'drivers/clk')
-rw-r--r-- | drivers/clk/imx/Makefile | 5 | ||||
-rw-r--r-- | drivers/clk/imx/clk-imx8.c | 298 | ||||
-rw-r--r-- | drivers/clk/imx/clk-imx8.h | 19 | ||||
-rw-r--r-- | drivers/clk/imx/clk-imx8qm.c | 307 | ||||
-rw-r--r-- | drivers/clk/imx/clk-imx8qxp.c | 311 |
5 files changed, 651 insertions, 289 deletions
diff --git a/drivers/clk/imx/Makefile b/drivers/clk/imx/Makefile index 5505ae52e2..eb379c188a 100644 --- a/drivers/clk/imx/Makefile +++ b/drivers/clk/imx/Makefile @@ -3,3 +3,8 @@ # SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_CLK_IMX8) += clk-imx8.o + +ifdef CONFIG_CLK_IMX8 +obj-$(CONFIG_IMX8QXP) += clk-imx8qxp.o +obj-$(CONFIG_IMX8QM) += clk-imx8qm.o +endif diff --git a/drivers/clk/imx/clk-imx8.c b/drivers/clk/imx/clk-imx8.c index d03fcc2fdd..a755e26501 100644 --- a/drivers/clk/imx/clk-imx8.c +++ b/drivers/clk/imx/clk-imx8.c @@ -13,302 +13,21 @@ #include <dt-bindings/soc/imx_rsrc.h> #include <misc.h> -struct imx8_clks { - ulong id; - const char *name; -}; - -#if CONFIG_IS_ENABLED(CMD_CLK) -static struct imx8_clks imx8_clk_names[] = { - { IMX8QXP_A35_DIV, "A35_DIV" }, - { IMX8QXP_I2C0_CLK, "I2C0" }, - { IMX8QXP_I2C1_CLK, "I2C1" }, - { IMX8QXP_I2C2_CLK, "I2C2" }, - { IMX8QXP_I2C3_CLK, "I2C3" }, - { IMX8QXP_UART0_CLK, "UART0" }, - { IMX8QXP_UART1_CLK, "UART1" }, - { IMX8QXP_UART2_CLK, "UART2" }, - { IMX8QXP_UART3_CLK, "UART3" }, - { IMX8QXP_SDHC0_CLK, "SDHC0" }, - { IMX8QXP_SDHC1_CLK, "SDHC1" }, - { IMX8QXP_ENET0_AHB_CLK, "ENET0_AHB" }, - { IMX8QXP_ENET0_IPG_CLK, "ENET0_IPG" }, - { IMX8QXP_ENET0_REF_DIV, "ENET0_REF" }, - { IMX8QXP_ENET0_PTP_CLK, "ENET0_PTP" }, - { IMX8QXP_ENET1_AHB_CLK, "ENET1_AHB" }, - { IMX8QXP_ENET1_IPG_CLK, "ENET1_IPG" }, - { IMX8QXP_ENET1_REF_DIV, "ENET1_REF" }, - { IMX8QXP_ENET1_PTP_CLK, "ENET1_PTP" }, -}; -#endif +#include "clk-imx8.h" -static ulong imx8_clk_get_rate(struct clk *clk) +__weak ulong imx8_clk_get_rate(struct clk *clk) { - sc_pm_clk_t pm_clk; - ulong rate; - u16 resource; - int ret; - - debug("%s(#%lu)\n", __func__, clk->id); - - switch (clk->id) { - case IMX8QXP_A35_DIV: - resource = SC_R_A35; - pm_clk = SC_PM_CLK_CPU; - break; - case IMX8QXP_I2C0_CLK: - resource = SC_R_I2C_0; - pm_clk = SC_PM_CLK_PER; - break; - case IMX8QXP_I2C1_CLK: - resource = SC_R_I2C_1; - pm_clk = SC_PM_CLK_PER; - break; - case IMX8QXP_I2C2_CLK: - resource = SC_R_I2C_2; - pm_clk = SC_PM_CLK_PER; - break; - case IMX8QXP_I2C3_CLK: - resource = SC_R_I2C_3; - pm_clk = SC_PM_CLK_PER; - break; - case IMX8QXP_SDHC0_IPG_CLK: - case IMX8QXP_SDHC0_CLK: - case IMX8QXP_SDHC0_DIV: - resource = SC_R_SDHC_0; - pm_clk = SC_PM_CLK_PER; - break; - case IMX8QXP_SDHC1_IPG_CLK: - case IMX8QXP_SDHC1_CLK: - case IMX8QXP_SDHC1_DIV: - resource = SC_R_SDHC_1; - pm_clk = SC_PM_CLK_PER; - break; - case IMX8QXP_UART0_IPG_CLK: - case IMX8QXP_UART0_CLK: - resource = SC_R_UART_0; - pm_clk = SC_PM_CLK_PER; - break; - case IMX8QXP_UART1_CLK: - resource = SC_R_UART_1; - pm_clk = SC_PM_CLK_PER; - break; - case IMX8QXP_UART2_CLK: - resource = SC_R_UART_2; - pm_clk = SC_PM_CLK_PER; - break; - case IMX8QXP_UART3_CLK: - resource = SC_R_UART_3; - pm_clk = SC_PM_CLK_PER; - break; - case IMX8QXP_ENET0_IPG_CLK: - case IMX8QXP_ENET0_AHB_CLK: - case IMX8QXP_ENET0_REF_DIV: - case IMX8QXP_ENET0_PTP_CLK: - resource = SC_R_ENET_0; - pm_clk = SC_PM_CLK_PER; - break; - case IMX8QXP_ENET1_IPG_CLK: - case IMX8QXP_ENET1_AHB_CLK: - case IMX8QXP_ENET1_REF_DIV: - case IMX8QXP_ENET1_PTP_CLK: - resource = SC_R_ENET_1; - pm_clk = SC_PM_CLK_PER; - break; - default: - if (clk->id < IMX8QXP_UART0_IPG_CLK || - clk->id >= IMX8QXP_CLK_END) { - printf("%s(Invalid clk ID #%lu)\n", - __func__, clk->id); - return -EINVAL; - } - return -ENOTSUPP; - }; - - ret = sc_pm_get_clock_rate(-1, resource, pm_clk, - (sc_pm_clock_rate_t *)&rate); - if (ret) { - printf("%s err %d\n", __func__, ret); - return ret; - } - - return rate; + return 0; } -static ulong imx8_clk_set_rate(struct clk *clk, unsigned long rate) +__weak ulong imx8_clk_set_rate(struct clk *clk, unsigned long rate) { - sc_pm_clk_t pm_clk; - u32 new_rate = rate; - u16 resource; - int ret; - - debug("%s(#%lu), rate: %lu\n", __func__, clk->id, rate); - - switch (clk->id) { - case IMX8QXP_I2C0_CLK: - resource = SC_R_I2C_0; - pm_clk = SC_PM_CLK_PER; - break; - case IMX8QXP_I2C1_CLK: - resource = SC_R_I2C_1; - pm_clk = SC_PM_CLK_PER; - break; - case IMX8QXP_I2C2_CLK: - resource = SC_R_I2C_2; - pm_clk = SC_PM_CLK_PER; - break; - case IMX8QXP_I2C3_CLK: - resource = SC_R_I2C_3; - pm_clk = SC_PM_CLK_PER; - break; - case IMX8QXP_UART0_CLK: - resource = SC_R_UART_0; - pm_clk = SC_PM_CLK_PER; - break; - case IMX8QXP_UART1_CLK: - resource = SC_R_UART_1; - pm_clk = SC_PM_CLK_PER; - break; - case IMX8QXP_UART2_CLK: - resource = SC_R_UART_2; - pm_clk = SC_PM_CLK_PER; - break; - case IMX8QXP_UART3_CLK: - resource = SC_R_UART_3; - pm_clk = SC_PM_CLK_PER; - break; - case IMX8QXP_SDHC0_IPG_CLK: - case IMX8QXP_SDHC0_CLK: - case IMX8QXP_SDHC0_DIV: - resource = SC_R_SDHC_0; - pm_clk = SC_PM_CLK_PER; - break; - case IMX8QXP_SDHC1_SEL: - case IMX8QXP_SDHC0_SEL: - return 0; - case IMX8QXP_SDHC1_IPG_CLK: - case IMX8QXP_SDHC1_CLK: - case IMX8QXP_SDHC1_DIV: - resource = SC_R_SDHC_1; - pm_clk = SC_PM_CLK_PER; - break; - case IMX8QXP_ENET0_IPG_CLK: - case IMX8QXP_ENET0_AHB_CLK: - case IMX8QXP_ENET0_REF_DIV: - case IMX8QXP_ENET0_PTP_CLK: - resource = SC_R_ENET_0; - pm_clk = SC_PM_CLK_PER; - break; - case IMX8QXP_ENET1_IPG_CLK: - case IMX8QXP_ENET1_AHB_CLK: - case IMX8QXP_ENET1_REF_DIV: - case IMX8QXP_ENET1_PTP_CLK: - resource = SC_R_ENET_1; - pm_clk = SC_PM_CLK_PER; - break; - default: - if (clk->id < IMX8QXP_UART0_IPG_CLK || - clk->id >= IMX8QXP_CLK_END) { - printf("%s(Invalid clk ID #%lu)\n", - __func__, clk->id); - return -EINVAL; - } - return -ENOTSUPP; - }; - - ret = sc_pm_set_clock_rate(-1, resource, pm_clk, &new_rate); - if (ret) { - printf("%s err %d\n", __func__, ret); - return ret; - } - - return new_rate; + return 0; } -static int __imx8_clk_enable(struct clk *clk, bool enable) +__weak int __imx8_clk_enable(struct clk *clk, bool enable) { - sc_pm_clk_t pm_clk; - u16 resource; - int ret; - - debug("%s(#%lu)\n", __func__, clk->id); - - switch (clk->id) { - case IMX8QXP_I2C0_CLK: - resource = SC_R_I2C_0; - pm_clk = SC_PM_CLK_PER; - break; - case IMX8QXP_I2C1_CLK: - resource = SC_R_I2C_1; - pm_clk = SC_PM_CLK_PER; - break; - case IMX8QXP_I2C2_CLK: - resource = SC_R_I2C_2; - pm_clk = SC_PM_CLK_PER; - break; - case IMX8QXP_I2C3_CLK: - resource = SC_R_I2C_3; - pm_clk = SC_PM_CLK_PER; - break; - case IMX8QXP_UART0_CLK: - resource = SC_R_UART_0; - pm_clk = SC_PM_CLK_PER; - break; - case IMX8QXP_UART1_CLK: - resource = SC_R_UART_1; - pm_clk = SC_PM_CLK_PER; - break; - case IMX8QXP_UART2_CLK: - resource = SC_R_UART_2; - pm_clk = SC_PM_CLK_PER; - break; - case IMX8QXP_UART3_CLK: - resource = SC_R_UART_3; - pm_clk = SC_PM_CLK_PER; - break; - case IMX8QXP_SDHC0_IPG_CLK: - case IMX8QXP_SDHC0_CLK: - case IMX8QXP_SDHC0_DIV: - resource = SC_R_SDHC_0; - pm_clk = SC_PM_CLK_PER; - break; - case IMX8QXP_SDHC1_IPG_CLK: - case IMX8QXP_SDHC1_CLK: - case IMX8QXP_SDHC1_DIV: - resource = SC_R_SDHC_1; - pm_clk = SC_PM_CLK_PER; - break; - case IMX8QXP_ENET0_IPG_CLK: - case IMX8QXP_ENET0_AHB_CLK: - case IMX8QXP_ENET0_REF_DIV: - case IMX8QXP_ENET0_PTP_CLK: - resource = SC_R_ENET_0; - pm_clk = SC_PM_CLK_PER; - break; - case IMX8QXP_ENET1_IPG_CLK: - case IMX8QXP_ENET1_AHB_CLK: - case IMX8QXP_ENET1_REF_DIV: - case IMX8QXP_ENET1_PTP_CLK: - resource = SC_R_ENET_1; - pm_clk = SC_PM_CLK_PER; - break; - default: - if (clk->id < IMX8QXP_UART0_IPG_CLK || - clk->id >= IMX8QXP_CLK_END) { - printf("%s(Invalid clk ID #%lu)\n", - __func__, clk->id); - return -EINVAL; - } - return -ENOTSUPP; - } - - ret = sc_pm_clock_enable(-1, resource, pm_clk, enable, 0); - if (ret) { - printf("%s err %d\n", __func__, ret); - return ret; - } - - return 0; + return -ENOTSUPP; } static int imx8_clk_disable(struct clk *clk) @@ -336,7 +55,7 @@ int soc_clk_dump(void) printf("Clk\t\tHz\n"); - for (i = 0; i < ARRAY_SIZE(imx8_clk_names); i++) { + for (i = 0; i < num_clks; i++) { clk.id = imx8_clk_names[i].id; ret = clk_request(dev, &clk); if (ret < 0) { @@ -382,6 +101,7 @@ static int imx8_clk_probe(struct udevice *dev) static const struct udevice_id imx8_clk_ids[] = { { .compatible = "fsl,imx8qxp-clk" }, + { .compatible = "fsl,imx8qm-clk" }, { }, }; diff --git a/drivers/clk/imx/clk-imx8.h b/drivers/clk/imx/clk-imx8.h new file mode 100644 index 0000000000..68ad6755e8 --- /dev/null +++ b/drivers/clk/imx/clk-imx8.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright 2018 NXP + * Peng Fan <peng.fan@nxp.com> + */ + +struct imx8_clks { + ulong id; + const char *name; +}; + +#if CONFIG_IS_ENABLED(CMD_CLK) +extern struct imx8_clks imx8_clk_names[]; +extern int num_clks; +#endif + +ulong imx8_clk_get_rate(struct clk *clk); +ulong imx8_clk_set_rate(struct clk *clk, unsigned long rate); +int __imx8_clk_enable(struct clk *clk, bool enable); diff --git a/drivers/clk/imx/clk-imx8qm.c b/drivers/clk/imx/clk-imx8qm.c new file mode 100644 index 0000000000..6b5561e178 --- /dev/null +++ b/drivers/clk/imx/clk-imx8qm.c @@ -0,0 +1,307 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright 2018 NXP + * Peng Fan <peng.fan@nxp.com> + */ + +#include <common.h> +#include <clk-uclass.h> +#include <dm.h> +#include <asm/arch/sci/sci.h> +#include <asm/arch/clock.h> +#include <dt-bindings/clock/imx8qm-clock.h> +#include <dt-bindings/soc/imx_rsrc.h> +#include <misc.h> + +#include "clk-imx8.h" + +#if CONFIG_IS_ENABLED(CMD_CLK) +struct imx8_clks imx8_clk_names[] = { + { IMX8QM_A53_DIV, "A53_DIV" }, + { IMX8QM_UART0_CLK, "UART0" }, + { IMX8QM_UART1_CLK, "UART1" }, + { IMX8QM_UART2_CLK, "UART2" }, + { IMX8QM_UART3_CLK, "UART3" }, + { IMX8QM_SDHC0_CLK, "SDHC0" }, + { IMX8QM_SDHC1_CLK, "SDHC1" }, + { IMX8QM_SDHC2_CLK, "SDHC2" }, + { IMX8QM_ENET0_AHB_CLK, "ENET0_AHB" }, + { IMX8QM_ENET0_IPG_CLK, "ENET0_IPG" }, + { IMX8QM_ENET0_REF_DIV, "ENET0_REF" }, + { IMX8QM_ENET0_PTP_CLK, "ENET0_PTP" }, + { IMX8QM_ENET1_AHB_CLK, "ENET1_AHB" }, + { IMX8QM_ENET1_IPG_CLK, "ENET1_IPG" }, + { IMX8QM_ENET1_REF_DIV, "ENET1_REF" }, + { IMX8QM_ENET1_PTP_CLK, "ENET1_PTP" }, +}; + +int num_clks = ARRAY_SIZE(imx8_clk_names); +#endif + +ulong imx8_clk_get_rate(struct clk *clk) +{ + sc_pm_clk_t pm_clk; + ulong rate; + u16 resource; + int ret; + + debug("%s(#%lu)\n", __func__, clk->id); + + switch (clk->id) { + case IMX8QM_A53_DIV: + resource = SC_R_A53; + pm_clk = SC_PM_CLK_CPU; + break; + case IMX8QM_I2C0_CLK: + resource = SC_R_I2C_0; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QM_I2C1_CLK: + resource = SC_R_I2C_1; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QM_I2C2_CLK: + resource = SC_R_I2C_2; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QM_I2C3_CLK: + resource = SC_R_I2C_3; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QM_SDHC0_IPG_CLK: + case IMX8QM_SDHC0_CLK: + case IMX8QM_SDHC0_DIV: + resource = SC_R_SDHC_0; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QM_SDHC1_IPG_CLK: + case IMX8QM_SDHC1_CLK: + case IMX8QM_SDHC1_DIV: + resource = SC_R_SDHC_1; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QM_UART0_IPG_CLK: + case IMX8QM_UART0_CLK: + resource = SC_R_UART_0; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QM_UART1_CLK: + resource = SC_R_UART_1; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QM_UART2_CLK: + resource = SC_R_UART_2; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QM_UART3_CLK: + resource = SC_R_UART_3; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QM_ENET0_IPG_CLK: + case IMX8QM_ENET0_AHB_CLK: + case IMX8QM_ENET0_REF_DIV: + case IMX8QM_ENET0_PTP_CLK: + resource = SC_R_ENET_0; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QM_ENET1_IPG_CLK: + case IMX8QM_ENET1_AHB_CLK: + case IMX8QM_ENET1_REF_DIV: + case IMX8QM_ENET1_PTP_CLK: + resource = SC_R_ENET_1; + pm_clk = SC_PM_CLK_PER; + break; + default: + if (clk->id < IMX8QM_UART0_IPG_CLK || + clk->id >= IMX8QM_CLK_END) { + printf("%s(Invalid clk ID #%lu)\n", + __func__, clk->id); + return -EINVAL; + } + return -ENOTSUPP; + }; + + ret = sc_pm_get_clock_rate(-1, resource, pm_clk, + (sc_pm_clock_rate_t *)&rate); + if (ret) { + printf("%s err %d\n", __func__, ret); + return ret; + } + + return rate; +} + +ulong imx8_clk_set_rate(struct clk *clk, unsigned long rate) +{ + sc_pm_clk_t pm_clk; + u32 new_rate = rate; + u16 resource; + int ret; + + debug("%s(#%lu), rate: %lu\n", __func__, clk->id, rate); + + switch (clk->id) { + case IMX8QM_I2C0_CLK: + resource = SC_R_I2C_0; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QM_I2C1_CLK: + resource = SC_R_I2C_1; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QM_I2C2_CLK: + resource = SC_R_I2C_2; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QM_I2C3_CLK: + resource = SC_R_I2C_3; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QM_UART0_CLK: + resource = SC_R_UART_0; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QM_UART1_CLK: + resource = SC_R_UART_1; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QM_UART2_CLK: + resource = SC_R_UART_2; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QM_UART3_CLK: + resource = SC_R_UART_3; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QM_SDHC0_IPG_CLK: + case IMX8QM_SDHC0_CLK: + case IMX8QM_SDHC0_DIV: + resource = SC_R_SDHC_0; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QM_SDHC1_IPG_CLK: + case IMX8QM_SDHC1_CLK: + case IMX8QM_SDHC1_DIV: + resource = SC_R_SDHC_1; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QM_ENET0_IPG_CLK: + case IMX8QM_ENET0_AHB_CLK: + case IMX8QM_ENET0_REF_DIV: + case IMX8QM_ENET0_PTP_CLK: + case IMX8QM_ENET0_ROOT_DIV: + resource = SC_R_ENET_0; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QM_ENET1_IPG_CLK: + case IMX8QM_ENET1_AHB_CLK: + case IMX8QM_ENET1_REF_DIV: + case IMX8QM_ENET1_PTP_CLK: + case IMX8QM_ENET1_ROOT_DIV: + resource = SC_R_ENET_1; + pm_clk = SC_PM_CLK_PER; + break; + default: + if (clk->id < IMX8QM_UART0_IPG_CLK || + clk->id >= IMX8QM_CLK_END) { + printf("%s(Invalid clk ID #%lu)\n", + __func__, clk->id); + return -EINVAL; + } + return -ENOTSUPP; + }; + + ret = sc_pm_set_clock_rate(-1, resource, pm_clk, &new_rate); + if (ret) { + printf("%s err %d\n", __func__, ret); + return ret; + } + + return new_rate; +} + +int __imx8_clk_enable(struct clk *clk, bool enable) +{ + sc_pm_clk_t pm_clk; + u16 resource; + int ret; + + debug("%s(#%lu)\n", __func__, clk->id); + + switch (clk->id) { + case IMX8QM_I2C0_CLK: + resource = SC_R_I2C_0; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QM_I2C1_CLK: + resource = SC_R_I2C_1; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QM_I2C2_CLK: + resource = SC_R_I2C_2; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QM_I2C3_CLK: + resource = SC_R_I2C_3; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QM_UART0_CLK: + resource = SC_R_UART_0; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QM_UART1_CLK: + resource = SC_R_UART_1; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QM_UART2_CLK: + resource = SC_R_UART_2; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QM_UART3_CLK: + resource = SC_R_UART_3; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QM_SDHC0_IPG_CLK: + case IMX8QM_SDHC0_CLK: + case IMX8QM_SDHC0_DIV: + resource = SC_R_SDHC_0; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QM_SDHC1_IPG_CLK: + case IMX8QM_SDHC1_CLK: + case IMX8QM_SDHC1_DIV: + resource = SC_R_SDHC_1; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QM_ENET0_IPG_CLK: + case IMX8QM_ENET0_AHB_CLK: + case IMX8QM_ENET0_REF_DIV: + case IMX8QM_ENET0_PTP_CLK: + resource = SC_R_ENET_0; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QM_ENET1_IPG_CLK: + case IMX8QM_ENET1_AHB_CLK: + case IMX8QM_ENET1_REF_DIV: + case IMX8QM_ENET1_PTP_CLK: + resource = SC_R_ENET_1; + pm_clk = SC_PM_CLK_PER; + break; + default: + if (clk->id < IMX8QM_UART0_IPG_CLK || + clk->id >= IMX8QM_CLK_END) { + printf("%s(Invalid clk ID #%lu)\n", + __func__, clk->id); + return -EINVAL; + } + return -ENOTSUPP; + } + + ret = sc_pm_clock_enable(-1, resource, pm_clk, enable, 0); + if (ret) { + printf("%s err %d\n", __func__, ret); + return ret; + } + + return 0; +} diff --git a/drivers/clk/imx/clk-imx8qxp.c b/drivers/clk/imx/clk-imx8qxp.c new file mode 100644 index 0000000000..1fca36ac91 --- /dev/null +++ b/drivers/clk/imx/clk-imx8qxp.c @@ -0,0 +1,311 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright 2018 NXP + * Peng Fan <peng.fan@nxp.com> + */ + +#include <common.h> +#include <clk-uclass.h> +#include <dm.h> +#include <asm/arch/sci/sci.h> +#include <asm/arch/clock.h> +#include <dt-bindings/clock/imx8qxp-clock.h> +#include <dt-bindings/soc/imx_rsrc.h> +#include <misc.h> + +#include "clk-imx8.h" + +#if CONFIG_IS_ENABLED(CMD_CLK) +struct imx8_clks imx8_clk_names[] = { + { IMX8QXP_A35_DIV, "A35_DIV" }, + { IMX8QXP_I2C0_CLK, "I2C0" }, + { IMX8QXP_I2C1_CLK, "I2C1" }, + { IMX8QXP_I2C2_CLK, "I2C2" }, + { IMX8QXP_I2C3_CLK, "I2C3" }, + { IMX8QXP_UART0_CLK, "UART0" }, + { IMX8QXP_UART1_CLK, "UART1" }, + { IMX8QXP_UART2_CLK, "UART2" }, + { IMX8QXP_UART3_CLK, "UART3" }, + { IMX8QXP_SDHC0_CLK, "SDHC0" }, + { IMX8QXP_SDHC1_CLK, "SDHC1" }, + { IMX8QXP_ENET0_AHB_CLK, "ENET0_AHB" }, + { IMX8QXP_ENET0_IPG_CLK, "ENET0_IPG" }, + { IMX8QXP_ENET0_REF_DIV, "ENET0_REF" }, + { IMX8QXP_ENET0_PTP_CLK, "ENET0_PTP" }, + { IMX8QXP_ENET1_AHB_CLK, "ENET1_AHB" }, + { IMX8QXP_ENET1_IPG_CLK, "ENET1_IPG" }, + { IMX8QXP_ENET1_REF_DIV, "ENET1_REF" }, + { IMX8QXP_ENET1_PTP_CLK, "ENET1_PTP" }, +}; + +int num_clks = ARRAY_SIZE(imx8_clk_names); +#endif + +ulong imx8_clk_get_rate(struct clk *clk) +{ + sc_pm_clk_t pm_clk; + ulong rate; + u16 resource; + int ret; + + debug("%s(#%lu)\n", __func__, clk->id); + + switch (clk->id) { + case IMX8QXP_A35_DIV: + resource = SC_R_A35; + pm_clk = SC_PM_CLK_CPU; + break; + case IMX8QXP_I2C0_CLK: + resource = SC_R_I2C_0; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QXP_I2C1_CLK: + resource = SC_R_I2C_1; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QXP_I2C2_CLK: + resource = SC_R_I2C_2; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QXP_I2C3_CLK: + resource = SC_R_I2C_3; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QXP_SDHC0_IPG_CLK: + case IMX8QXP_SDHC0_CLK: + case IMX8QXP_SDHC0_DIV: + resource = SC_R_SDHC_0; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QXP_SDHC1_IPG_CLK: + case IMX8QXP_SDHC1_CLK: + case IMX8QXP_SDHC1_DIV: + resource = SC_R_SDHC_1; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QXP_UART0_IPG_CLK: + case IMX8QXP_UART0_CLK: + resource = SC_R_UART_0; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QXP_UART1_CLK: + resource = SC_R_UART_1; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QXP_UART2_CLK: + resource = SC_R_UART_2; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QXP_UART3_CLK: + resource = SC_R_UART_3; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QXP_ENET0_IPG_CLK: + case IMX8QXP_ENET0_AHB_CLK: + case IMX8QXP_ENET0_REF_DIV: + case IMX8QXP_ENET0_PTP_CLK: + resource = SC_R_ENET_0; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QXP_ENET1_IPG_CLK: + case IMX8QXP_ENET1_AHB_CLK: + case IMX8QXP_ENET1_REF_DIV: + case IMX8QXP_ENET1_PTP_CLK: + resource = SC_R_ENET_1; + pm_clk = SC_PM_CLK_PER; + break; + default: + if (clk->id < IMX8QXP_UART0_IPG_CLK || + clk->id >= IMX8QXP_CLK_END) { + printf("%s(Invalid clk ID #%lu)\n", + __func__, clk->id); + return -EINVAL; + } + return -ENOTSUPP; + }; + + ret = sc_pm_get_clock_rate(-1, resource, pm_clk, + (sc_pm_clock_rate_t *)&rate); + if (ret) { + printf("%s err %d\n", __func__, ret); + return ret; + } + + return rate; +} + +ulong imx8_clk_set_rate(struct clk *clk, unsigned long rate) +{ + sc_pm_clk_t pm_clk; + u32 new_rate = rate; + u16 resource; + int ret; + + debug("%s(#%lu), rate: %lu\n", __func__, clk->id, rate); + + switch (clk->id) { + case IMX8QXP_I2C0_CLK: + resource = SC_R_I2C_0; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QXP_I2C1_CLK: + resource = SC_R_I2C_1; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QXP_I2C2_CLK: + resource = SC_R_I2C_2; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QXP_I2C3_CLK: + resource = SC_R_I2C_3; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QXP_UART0_CLK: + resource = SC_R_UART_0; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QXP_UART1_CLK: + resource = SC_R_UART_1; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QXP_UART2_CLK: + resource = SC_R_UART_2; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QXP_UART3_CLK: + resource = SC_R_UART_3; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QXP_SDHC0_IPG_CLK: + case IMX8QXP_SDHC0_CLK: + case IMX8QXP_SDHC0_DIV: + resource = SC_R_SDHC_0; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QXP_SDHC1_SEL: + case IMX8QXP_SDHC0_SEL: + return 0; + case IMX8QXP_SDHC1_IPG_CLK: + case IMX8QXP_SDHC1_CLK: + case IMX8QXP_SDHC1_DIV: + resource = SC_R_SDHC_1; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QXP_ENET0_IPG_CLK: + case IMX8QXP_ENET0_AHB_CLK: + case IMX8QXP_ENET0_REF_DIV: + case IMX8QXP_ENET0_PTP_CLK: + resource = SC_R_ENET_0; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QXP_ENET1_IPG_CLK: + case IMX8QXP_ENET1_AHB_CLK: + case IMX8QXP_ENET1_REF_DIV: + case IMX8QXP_ENET1_PTP_CLK: + resource = SC_R_ENET_1; + pm_clk = SC_PM_CLK_PER; + break; + default: + if (clk->id < IMX8QXP_UART0_IPG_CLK || + clk->id >= IMX8QXP_CLK_END) { + printf("%s(Invalid clk ID #%lu)\n", + __func__, clk->id); + return -EINVAL; + } + return -ENOTSUPP; + }; + + ret = sc_pm_set_clock_rate(-1, resource, pm_clk, &new_rate); + if (ret) { + printf("%s err %d\n", __func__, ret); + return ret; + } + + return new_rate; +} + +int __imx8_clk_enable(struct clk *clk, bool enable) +{ + sc_pm_clk_t pm_clk; + u16 resource; + int ret; + + debug("%s(#%lu)\n", __func__, clk->id); + + switch (clk->id) { + case IMX8QXP_I2C0_CLK: + resource = SC_R_I2C_0; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QXP_I2C1_CLK: + resource = SC_R_I2C_1; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QXP_I2C2_CLK: + resource = SC_R_I2C_2; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QXP_I2C3_CLK: + resource = SC_R_I2C_3; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QXP_UART0_CLK: + resource = SC_R_UART_0; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QXP_UART1_CLK: + resource = SC_R_UART_1; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QXP_UART2_CLK: + resource = SC_R_UART_2; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QXP_UART3_CLK: + resource = SC_R_UART_3; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QXP_SDHC0_IPG_CLK: + case IMX8QXP_SDHC0_CLK: + case IMX8QXP_SDHC0_DIV: + resource = SC_R_SDHC_0; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QXP_SDHC1_IPG_CLK: + case IMX8QXP_SDHC1_CLK: + case IMX8QXP_SDHC1_DIV: + resource = SC_R_SDHC_1; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QXP_ENET0_IPG_CLK: + case IMX8QXP_ENET0_AHB_CLK: + case IMX8QXP_ENET0_REF_DIV: + case IMX8QXP_ENET0_PTP_CLK: + resource = SC_R_ENET_0; + pm_clk = SC_PM_CLK_PER; + break; + case IMX8QXP_ENET1_IPG_CLK: + case IMX8QXP_ENET1_AHB_CLK: + case IMX8QXP_ENET1_REF_DIV: + case IMX8QXP_ENET1_PTP_CLK: + resource = SC_R_ENET_1; + pm_clk = SC_PM_CLK_PER; + break; + default: + if (clk->id < IMX8QXP_UART0_IPG_CLK || + clk->id >= IMX8QXP_CLK_END) { + printf("%s(Invalid clk ID #%lu)\n", + __func__, clk->id); + return -EINVAL; + } + return -ENOTSUPP; + } + + ret = sc_pm_clock_enable(-1, resource, pm_clk, enable, 0); + if (ret) { + printf("%s err %d\n", __func__, ret); + return ret; + } + + return 0; +} |