diff options
Diffstat (limited to 'drivers/clk/imx/clk-imx8.c')
-rw-r--r-- | drivers/clk/imx/clk-imx8.c | 298 |
1 files changed, 9 insertions, 289 deletions
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" }, { }, }; |