|  | // SPDX-License-Identifier: GPL-2.0-only | 
|  | /* | 
|  | * Copyright 2017 Broadcom | 
|  | */ | 
|  |  | 
|  | #include <linux/err.h> | 
|  | #include <linux/clk-provider.h> | 
|  | #include <linux/of_device.h> | 
|  | #include <linux/platform_device.h> | 
|  |  | 
|  | #include <dt-bindings/clock/bcm-sr.h> | 
|  | #include "clk-iproc.h" | 
|  |  | 
|  | #define REG_VAL(o, s, w) { .offset = o, .shift = s, .width = w, } | 
|  |  | 
|  | #define AON_VAL(o, pw, ps, is) { .offset = o, .pwr_width = pw, \ | 
|  | .pwr_shift = ps, .iso_shift = is } | 
|  |  | 
|  | #define SW_CTRL_VAL(o, s) { .offset = o, .shift = s, } | 
|  |  | 
|  | #define RESET_VAL(o, rs, prs) { .offset = o, .reset_shift = rs, \ | 
|  | .p_reset_shift = prs } | 
|  |  | 
|  | #define DF_VAL(o, kis, kiw, kps, kpw, kas, kaw) { .offset = o, \ | 
|  | .ki_shift = kis, .ki_width = kiw, .kp_shift = kps, .kp_width = kpw, \ | 
|  | .ka_shift = kas, .ka_width = kaw } | 
|  |  | 
|  | #define VCO_CTRL_VAL(uo, lo) { .u_offset = uo, .l_offset = lo } | 
|  |  | 
|  | #define ENABLE_VAL(o, es, hs, bs) { .offset = o, .enable_shift = es, \ | 
|  | .hold_shift = hs, .bypass_shift = bs } | 
|  |  | 
|  |  | 
|  | static const struct iproc_pll_ctrl sr_genpll0 = { | 
|  | .flags = IPROC_CLK_AON | IPROC_CLK_PLL_HAS_NDIV_FRAC | | 
|  | IPROC_CLK_PLL_NEEDS_SW_CFG, | 
|  | .aon = AON_VAL(0x0, 5, 1, 0), | 
|  | .reset = RESET_VAL(0x0, 12, 11), | 
|  | .dig_filter = DF_VAL(0x0, 4, 3, 0, 4, 7, 3), | 
|  | .sw_ctrl = SW_CTRL_VAL(0x10, 31), | 
|  | .ndiv_int = REG_VAL(0x10, 20, 10), | 
|  | .ndiv_frac = REG_VAL(0x10, 0, 20), | 
|  | .pdiv = REG_VAL(0x14, 0, 4), | 
|  | .status = REG_VAL(0x30, 12, 1), | 
|  | }; | 
|  |  | 
|  | static const struct iproc_clk_ctrl sr_genpll0_clk[] = { | 
|  | [BCM_SR_GENPLL0_125M_CLK] = { | 
|  | .channel = BCM_SR_GENPLL0_125M_CLK, | 
|  | .flags = IPROC_CLK_AON, | 
|  | .enable = ENABLE_VAL(0x4, 6, 0, 12), | 
|  | .mdiv = REG_VAL(0x18, 0, 9), | 
|  | }, | 
|  | [BCM_SR_GENPLL0_SCR_CLK] = { | 
|  | .channel = BCM_SR_GENPLL0_SCR_CLK, | 
|  | .flags = IPROC_CLK_AON, | 
|  | .enable = ENABLE_VAL(0x4, 7, 1, 13), | 
|  | .mdiv = REG_VAL(0x18, 10, 9), | 
|  | }, | 
|  | [BCM_SR_GENPLL0_250M_CLK] = { | 
|  | .channel = BCM_SR_GENPLL0_250M_CLK, | 
|  | .flags = IPROC_CLK_AON, | 
|  | .enable = ENABLE_VAL(0x4, 8, 2, 14), | 
|  | .mdiv = REG_VAL(0x18, 20, 9), | 
|  | }, | 
|  | [BCM_SR_GENPLL0_PCIE_AXI_CLK] = { | 
|  | .channel = BCM_SR_GENPLL0_PCIE_AXI_CLK, | 
|  | .flags = IPROC_CLK_AON, | 
|  | .enable = ENABLE_VAL(0x4, 9, 3, 15), | 
|  | .mdiv = REG_VAL(0x1c, 0, 9), | 
|  | }, | 
|  | [BCM_SR_GENPLL0_PAXC_AXI_X2_CLK] = { | 
|  | .channel = BCM_SR_GENPLL0_PAXC_AXI_X2_CLK, | 
|  | .flags = IPROC_CLK_AON, | 
|  | .enable = ENABLE_VAL(0x4, 10, 4, 16), | 
|  | .mdiv = REG_VAL(0x1c, 10, 9), | 
|  | }, | 
|  | [BCM_SR_GENPLL0_PAXC_AXI_CLK] = { | 
|  | .channel = BCM_SR_GENPLL0_PAXC_AXI_CLK, | 
|  | .flags = IPROC_CLK_AON, | 
|  | .enable = ENABLE_VAL(0x4, 11, 5, 17), | 
|  | .mdiv = REG_VAL(0x1c, 20, 9), | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static int sr_genpll0_clk_init(struct platform_device *pdev) | 
|  | { | 
|  | iproc_pll_clk_setup(pdev->dev.of_node, | 
|  | &sr_genpll0, NULL, 0, sr_genpll0_clk, | 
|  | ARRAY_SIZE(sr_genpll0_clk)); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static const struct iproc_pll_ctrl sr_genpll2 = { | 
|  | .flags = IPROC_CLK_AON | IPROC_CLK_PLL_HAS_NDIV_FRAC | | 
|  | IPROC_CLK_PLL_NEEDS_SW_CFG, | 
|  | .aon = AON_VAL(0x0, 1, 13, 12), | 
|  | .reset = RESET_VAL(0x0, 12, 11), | 
|  | .dig_filter = DF_VAL(0x0, 4, 3, 0, 4, 7, 3), | 
|  | .sw_ctrl = SW_CTRL_VAL(0x10, 31), | 
|  | .ndiv_int = REG_VAL(0x10, 20, 10), | 
|  | .ndiv_frac = REG_VAL(0x10, 0, 20), | 
|  | .pdiv = REG_VAL(0x14, 0, 4), | 
|  | .status = REG_VAL(0x30, 12, 1), | 
|  | }; | 
|  |  | 
|  | static const struct iproc_clk_ctrl sr_genpll2_clk[] = { | 
|  | [BCM_SR_GENPLL2_NIC_CLK] = { | 
|  | .channel = BCM_SR_GENPLL2_NIC_CLK, | 
|  | .flags = IPROC_CLK_AON, | 
|  | .enable = ENABLE_VAL(0x4, 6, 0, 12), | 
|  | .mdiv = REG_VAL(0x18, 0, 9), | 
|  | }, | 
|  | [BCM_SR_GENPLL2_TS_500_CLK] = { | 
|  | .channel = BCM_SR_GENPLL2_TS_500_CLK, | 
|  | .flags = IPROC_CLK_AON, | 
|  | .enable = ENABLE_VAL(0x4, 7, 1, 13), | 
|  | .mdiv = REG_VAL(0x18, 10, 9), | 
|  | }, | 
|  | [BCM_SR_GENPLL2_125_NITRO_CLK] = { | 
|  | .channel = BCM_SR_GENPLL2_125_NITRO_CLK, | 
|  | .flags = IPROC_CLK_AON, | 
|  | .enable = ENABLE_VAL(0x4, 8, 2, 14), | 
|  | .mdiv = REG_VAL(0x18, 20, 9), | 
|  | }, | 
|  | [BCM_SR_GENPLL2_CHIMP_CLK] = { | 
|  | .channel = BCM_SR_GENPLL2_CHIMP_CLK, | 
|  | .flags = IPROC_CLK_AON, | 
|  | .enable = ENABLE_VAL(0x4, 9, 3, 15), | 
|  | .mdiv = REG_VAL(0x1c, 0, 9), | 
|  | }, | 
|  | [BCM_SR_GENPLL2_NIC_FLASH_CLK] = { | 
|  | .channel = BCM_SR_GENPLL2_NIC_FLASH_CLK, | 
|  | .flags = IPROC_CLK_AON, | 
|  | .enable = ENABLE_VAL(0x4, 10, 4, 16), | 
|  | .mdiv = REG_VAL(0x1c, 10, 9), | 
|  | }, | 
|  | [BCM_SR_GENPLL2_FS4_CLK] = { | 
|  | .channel = BCM_SR_GENPLL2_FS4_CLK, | 
|  | .enable = ENABLE_VAL(0x4, 11, 5, 17), | 
|  | .mdiv = REG_VAL(0x1c, 20, 9), | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static int sr_genpll2_clk_init(struct platform_device *pdev) | 
|  | { | 
|  | iproc_pll_clk_setup(pdev->dev.of_node, | 
|  | &sr_genpll2, NULL, 0, sr_genpll2_clk, | 
|  | ARRAY_SIZE(sr_genpll2_clk)); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static const struct iproc_pll_ctrl sr_genpll3 = { | 
|  | .flags = IPROC_CLK_AON | IPROC_CLK_PLL_HAS_NDIV_FRAC | | 
|  | IPROC_CLK_PLL_NEEDS_SW_CFG, | 
|  | .aon = AON_VAL(0x0, 1, 19, 18), | 
|  | .reset = RESET_VAL(0x0, 12, 11), | 
|  | .dig_filter = DF_VAL(0x0, 4, 3, 0, 4, 7, 3), | 
|  | .sw_ctrl = SW_CTRL_VAL(0x10, 31), | 
|  | .ndiv_int = REG_VAL(0x10, 20, 10), | 
|  | .ndiv_frac = REG_VAL(0x10, 0, 20), | 
|  | .pdiv = REG_VAL(0x14, 0, 4), | 
|  | .status = REG_VAL(0x30, 12, 1), | 
|  | }; | 
|  |  | 
|  | static const struct iproc_clk_ctrl sr_genpll3_clk[] = { | 
|  | [BCM_SR_GENPLL3_HSLS_CLK] = { | 
|  | .channel = BCM_SR_GENPLL3_HSLS_CLK, | 
|  | .flags = IPROC_CLK_AON, | 
|  | .enable = ENABLE_VAL(0x4, 6, 0, 12), | 
|  | .mdiv = REG_VAL(0x18, 0, 9), | 
|  | }, | 
|  | [BCM_SR_GENPLL3_SDIO_CLK] = { | 
|  | .channel = BCM_SR_GENPLL3_SDIO_CLK, | 
|  | .flags = IPROC_CLK_AON, | 
|  | .enable = ENABLE_VAL(0x4, 7, 1, 13), | 
|  | .mdiv = REG_VAL(0x18, 10, 9), | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static void sr_genpll3_clk_init(struct device_node *node) | 
|  | { | 
|  | iproc_pll_clk_setup(node, &sr_genpll3, NULL, 0, sr_genpll3_clk, | 
|  | ARRAY_SIZE(sr_genpll3_clk)); | 
|  | } | 
|  | CLK_OF_DECLARE(sr_genpll3_clk, "brcm,sr-genpll3", sr_genpll3_clk_init); | 
|  |  | 
|  | static const struct iproc_pll_ctrl sr_genpll4 = { | 
|  | .flags = IPROC_CLK_AON | IPROC_CLK_PLL_HAS_NDIV_FRAC | | 
|  | IPROC_CLK_PLL_NEEDS_SW_CFG, | 
|  | .aon = AON_VAL(0x0, 1, 25, 24), | 
|  | .reset = RESET_VAL(0x0, 12, 11), | 
|  | .dig_filter = DF_VAL(0x0, 4, 3, 0, 4, 7, 3), | 
|  | .sw_ctrl = SW_CTRL_VAL(0x10, 31), | 
|  | .ndiv_int = REG_VAL(0x10, 20, 10), | 
|  | .ndiv_frac = REG_VAL(0x10, 0, 20), | 
|  | .pdiv = REG_VAL(0x14, 0, 4), | 
|  | .status = REG_VAL(0x30, 12, 1), | 
|  | }; | 
|  |  | 
|  | static const struct iproc_clk_ctrl sr_genpll4_clk[] = { | 
|  | [BCM_SR_GENPLL4_CCN_CLK] = { | 
|  | .channel = BCM_SR_GENPLL4_CCN_CLK, | 
|  | .flags = IPROC_CLK_AON, | 
|  | .enable = ENABLE_VAL(0x4, 6, 0, 12), | 
|  | .mdiv = REG_VAL(0x18, 0, 9), | 
|  | }, | 
|  | [BCM_SR_GENPLL4_TPIU_PLL_CLK] = { | 
|  | .channel = BCM_SR_GENPLL4_TPIU_PLL_CLK, | 
|  | .flags = IPROC_CLK_AON, | 
|  | .enable = ENABLE_VAL(0x4, 7, 1, 13), | 
|  | .mdiv = REG_VAL(0x18, 10, 9), | 
|  | }, | 
|  | [BCM_SR_GENPLL4_NOC_CLK] = { | 
|  | .channel = BCM_SR_GENPLL4_NOC_CLK, | 
|  | .flags = IPROC_CLK_AON, | 
|  | .enable = ENABLE_VAL(0x4, 8, 2, 14), | 
|  | .mdiv = REG_VAL(0x18, 20, 9), | 
|  | }, | 
|  | [BCM_SR_GENPLL4_CHCLK_FS4_CLK] = { | 
|  | .channel = BCM_SR_GENPLL4_CHCLK_FS4_CLK, | 
|  | .flags = IPROC_CLK_AON, | 
|  | .enable = ENABLE_VAL(0x4, 9, 3, 15), | 
|  | .mdiv = REG_VAL(0x1c, 0, 9), | 
|  | }, | 
|  | [BCM_SR_GENPLL4_BRIDGE_FSCPU_CLK] = { | 
|  | .channel = BCM_SR_GENPLL4_BRIDGE_FSCPU_CLK, | 
|  | .flags = IPROC_CLK_AON, | 
|  | .enable = ENABLE_VAL(0x4, 10, 4, 16), | 
|  | .mdiv = REG_VAL(0x1c, 10, 9), | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static int sr_genpll4_clk_init(struct platform_device *pdev) | 
|  | { | 
|  | iproc_pll_clk_setup(pdev->dev.of_node, | 
|  | &sr_genpll4, NULL, 0, sr_genpll4_clk, | 
|  | ARRAY_SIZE(sr_genpll4_clk)); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static const struct iproc_pll_ctrl sr_genpll5 = { | 
|  | .flags = IPROC_CLK_AON | IPROC_CLK_PLL_HAS_NDIV_FRAC | | 
|  | IPROC_CLK_PLL_NEEDS_SW_CFG, | 
|  | .aon = AON_VAL(0x0, 1, 1, 0), | 
|  | .reset = RESET_VAL(0x0, 12, 11), | 
|  | .dig_filter = DF_VAL(0x0, 4, 3, 0, 4, 7, 3), | 
|  | .sw_ctrl = SW_CTRL_VAL(0x10, 31), | 
|  | .ndiv_int = REG_VAL(0x10, 20, 10), | 
|  | .ndiv_frac = REG_VAL(0x10, 0, 20), | 
|  | .pdiv = REG_VAL(0x14, 0, 4), | 
|  | .status = REG_VAL(0x30, 12, 1), | 
|  | }; | 
|  |  | 
|  | static const struct iproc_clk_ctrl sr_genpll5_clk[] = { | 
|  | [BCM_SR_GENPLL5_FS4_HF_CLK] = { | 
|  | .channel = BCM_SR_GENPLL5_FS4_HF_CLK, | 
|  | .enable = ENABLE_VAL(0x4, 6, 0, 12), | 
|  | .mdiv = REG_VAL(0x18, 0, 9), | 
|  | }, | 
|  | [BCM_SR_GENPLL5_CRYPTO_AE_CLK] = { | 
|  | .channel = BCM_SR_GENPLL5_CRYPTO_AE_CLK, | 
|  | .enable = ENABLE_VAL(0x4, 7, 1, 12), | 
|  | .mdiv = REG_VAL(0x18, 10, 9), | 
|  | }, | 
|  | [BCM_SR_GENPLL5_RAID_AE_CLK] = { | 
|  | .channel = BCM_SR_GENPLL5_RAID_AE_CLK, | 
|  | .enable = ENABLE_VAL(0x4, 8, 2, 14), | 
|  | .mdiv = REG_VAL(0x18, 20, 9), | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static int sr_genpll5_clk_init(struct platform_device *pdev) | 
|  | { | 
|  | iproc_pll_clk_setup(pdev->dev.of_node, | 
|  | &sr_genpll5, NULL, 0, sr_genpll5_clk, | 
|  | ARRAY_SIZE(sr_genpll5_clk)); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static const struct iproc_pll_ctrl sr_lcpll0 = { | 
|  | .flags = IPROC_CLK_AON | IPROC_CLK_PLL_NEEDS_SW_CFG, | 
|  | .aon = AON_VAL(0x0, 2, 19, 18), | 
|  | .reset = RESET_VAL(0x0, 31, 30), | 
|  | .sw_ctrl = SW_CTRL_VAL(0x4, 31), | 
|  | .ndiv_int = REG_VAL(0x4, 16, 10), | 
|  | .pdiv = REG_VAL(0x4, 26, 4), | 
|  | .status = REG_VAL(0x38, 12, 1), | 
|  | }; | 
|  |  | 
|  | static const struct iproc_clk_ctrl sr_lcpll0_clk[] = { | 
|  | [BCM_SR_LCPLL0_SATA_REFP_CLK] = { | 
|  | .channel = BCM_SR_LCPLL0_SATA_REFP_CLK, | 
|  | .flags = IPROC_CLK_AON, | 
|  | .enable = ENABLE_VAL(0x0, 7, 1, 13), | 
|  | .mdiv = REG_VAL(0x14, 0, 9), | 
|  | }, | 
|  | [BCM_SR_LCPLL0_SATA_REFN_CLK] = { | 
|  | .channel = BCM_SR_LCPLL0_SATA_REFN_CLK, | 
|  | .flags = IPROC_CLK_AON, | 
|  | .enable = ENABLE_VAL(0x0, 8, 2, 14), | 
|  | .mdiv = REG_VAL(0x14, 10, 9), | 
|  | }, | 
|  | [BCM_SR_LCPLL0_SATA_350_CLK] = { | 
|  | .channel = BCM_SR_LCPLL0_SATA_350_CLK, | 
|  | .flags = IPROC_CLK_AON, | 
|  | .enable = ENABLE_VAL(0x0, 9, 3, 15), | 
|  | .mdiv = REG_VAL(0x14, 20, 9), | 
|  | }, | 
|  | [BCM_SR_LCPLL0_SATA_500_CLK] = { | 
|  | .channel = BCM_SR_LCPLL0_SATA_500_CLK, | 
|  | .flags = IPROC_CLK_AON, | 
|  | .enable = ENABLE_VAL(0x0, 10, 4, 16), | 
|  | .mdiv = REG_VAL(0x18, 0, 9), | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static int sr_lcpll0_clk_init(struct platform_device *pdev) | 
|  | { | 
|  | iproc_pll_clk_setup(pdev->dev.of_node, | 
|  | &sr_lcpll0, NULL, 0, sr_lcpll0_clk, | 
|  | ARRAY_SIZE(sr_lcpll0_clk)); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static const struct iproc_pll_ctrl sr_lcpll1 = { | 
|  | .flags = IPROC_CLK_AON | IPROC_CLK_PLL_NEEDS_SW_CFG, | 
|  | .aon = AON_VAL(0x0, 2, 22, 21), | 
|  | .reset = RESET_VAL(0x0, 31, 30), | 
|  | .sw_ctrl = SW_CTRL_VAL(0x4, 31), | 
|  | .ndiv_int = REG_VAL(0x4, 16, 10), | 
|  | .pdiv = REG_VAL(0x4, 26, 4), | 
|  | .status = REG_VAL(0x38, 12, 1), | 
|  | }; | 
|  |  | 
|  | static const struct iproc_clk_ctrl sr_lcpll1_clk[] = { | 
|  | [BCM_SR_LCPLL1_WAN_CLK] = { | 
|  | .channel = BCM_SR_LCPLL1_WAN_CLK, | 
|  | .flags = IPROC_CLK_AON, | 
|  | .enable = ENABLE_VAL(0x0, 7, 1, 13), | 
|  | .mdiv = REG_VAL(0x14, 0, 9), | 
|  | }, | 
|  | [BCM_SR_LCPLL1_USB_REF_CLK] = { | 
|  | .channel = BCM_SR_LCPLL1_USB_REF_CLK, | 
|  | .flags = IPROC_CLK_AON, | 
|  | .enable = ENABLE_VAL(0x0, 8, 2, 14), | 
|  | .mdiv = REG_VAL(0x14, 10, 9), | 
|  | }, | 
|  | [BCM_SR_LCPLL1_CRMU_TS_CLK] = { | 
|  | .channel = BCM_SR_LCPLL1_CRMU_TS_CLK, | 
|  | .flags = IPROC_CLK_AON, | 
|  | .enable = ENABLE_VAL(0x0, 9, 3, 15), | 
|  | .mdiv = REG_VAL(0x14, 20, 9), | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static int sr_lcpll1_clk_init(struct platform_device *pdev) | 
|  | { | 
|  | iproc_pll_clk_setup(pdev->dev.of_node, | 
|  | &sr_lcpll1, NULL, 0, sr_lcpll1_clk, | 
|  | ARRAY_SIZE(sr_lcpll1_clk)); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static const struct iproc_pll_ctrl sr_lcpll_pcie = { | 
|  | .flags = IPROC_CLK_AON | IPROC_CLK_PLL_NEEDS_SW_CFG, | 
|  | .aon = AON_VAL(0x0, 2, 25, 24), | 
|  | .reset = RESET_VAL(0x0, 31, 30), | 
|  | .sw_ctrl = SW_CTRL_VAL(0x4, 31), | 
|  | .ndiv_int = REG_VAL(0x4, 16, 10), | 
|  | .pdiv = REG_VAL(0x4, 26, 4), | 
|  | .status = REG_VAL(0x38, 12, 1), | 
|  | }; | 
|  |  | 
|  | static const struct iproc_clk_ctrl sr_lcpll_pcie_clk[] = { | 
|  | [BCM_SR_LCPLL_PCIE_PHY_REF_CLK] = { | 
|  | .channel = BCM_SR_LCPLL_PCIE_PHY_REF_CLK, | 
|  | .flags = IPROC_CLK_AON, | 
|  | .enable = ENABLE_VAL(0x0, 7, 1, 13), | 
|  | .mdiv = REG_VAL(0x14, 0, 9), | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static int sr_lcpll_pcie_clk_init(struct platform_device *pdev) | 
|  | { | 
|  | iproc_pll_clk_setup(pdev->dev.of_node, | 
|  | &sr_lcpll_pcie, NULL, 0, sr_lcpll_pcie_clk, | 
|  | ARRAY_SIZE(sr_lcpll_pcie_clk)); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static const struct of_device_id sr_clk_dt_ids[] = { | 
|  | { .compatible = "brcm,sr-genpll0", .data = sr_genpll0_clk_init }, | 
|  | { .compatible = "brcm,sr-genpll2", .data = sr_genpll2_clk_init }, | 
|  | { .compatible = "brcm,sr-genpll4", .data = sr_genpll4_clk_init }, | 
|  | { .compatible = "brcm,sr-genpll5", .data = sr_genpll5_clk_init }, | 
|  | { .compatible = "brcm,sr-lcpll0", .data = sr_lcpll0_clk_init }, | 
|  | { .compatible = "brcm,sr-lcpll1", .data = sr_lcpll1_clk_init }, | 
|  | { .compatible = "brcm,sr-lcpll-pcie", .data = sr_lcpll_pcie_clk_init }, | 
|  | { /* sentinel */ } | 
|  | }; | 
|  |  | 
|  | static int sr_clk_probe(struct platform_device *pdev) | 
|  | { | 
|  | int (*probe_func)(struct platform_device *); | 
|  |  | 
|  | probe_func = of_device_get_match_data(&pdev->dev); | 
|  | if (!probe_func) | 
|  | return -ENODEV; | 
|  |  | 
|  | return probe_func(pdev); | 
|  | } | 
|  |  | 
|  | static struct platform_driver sr_clk_driver = { | 
|  | .driver = { | 
|  | .name = "sr-clk", | 
|  | .of_match_table = sr_clk_dt_ids, | 
|  | }, | 
|  | .probe = sr_clk_probe, | 
|  | }; | 
|  | builtin_platform_driver(sr_clk_driver); |