|  | // SPDX-License-Identifier: GPL-2.0+ | 
|  | /* | 
|  | * Copyright (C) 2016 Freescale Semiconductor, Inc. | 
|  | * Copyright 2017~2018 NXP | 
|  | * | 
|  | * Author: Dong Aisheng <aisheng.dong@nxp.com> | 
|  | * | 
|  | */ | 
|  |  | 
|  | #include <dt-bindings/clock/imx7ulp-clock.h> | 
|  | #include <linux/clk-provider.h> | 
|  | #include <linux/err.h> | 
|  | #include <linux/init.h> | 
|  | #include <linux/io.h> | 
|  | #include <linux/of.h> | 
|  | #include <linux/of_address.h> | 
|  | #include <linux/platform_device.h> | 
|  | #include <linux/slab.h> | 
|  |  | 
|  | #include "clk.h" | 
|  |  | 
|  | static const char * const pll_pre_sels[]	= { "sosc", "firc", }; | 
|  | static const char * const spll_pfd_sels[]	= { "spll_pfd0", "spll_pfd1", "spll_pfd2", "spll_pfd3", }; | 
|  | static const char * const spll_sels[]		= { "spll", "spll_pfd_sel", }; | 
|  | static const char * const apll_pfd_sels[]	= { "apll_pfd0", "apll_pfd1", "apll_pfd2", "apll_pfd3", }; | 
|  | static const char * const apll_sels[]		= { "apll", "apll_pfd_sel", }; | 
|  | static const char * const scs_sels[]		= { "dummy", "sosc", "sirc", "firc", "dummy", "apll_sel", "spll_sel", "dummy", }; | 
|  | static const char * const ddr_sels[]		= { "apll_pfd_sel", "dummy", "dummy", "dummy", }; | 
|  | static const char * const nic_sels[]		= { "firc", "ddr_clk", }; | 
|  | static const char * const periph_plat_sels[]	= { "dummy", "nic1_bus_clk", "nic1_clk", "ddr_clk", "apll_pfd2", "apll_pfd1", "apll_pfd0", "upll", }; | 
|  | static const char * const periph_bus_sels[]	= { "dummy", "sosc_bus_clk", "dummy", "firc_bus_clk", "rosc", "nic1_bus_clk", "nic1_clk", "spll_bus_clk", }; | 
|  | static const char * const arm_sels[]		= { "core", "dummy", "dummy", "hsrun_core", }; | 
|  |  | 
|  | /* used by sosc/sirc/firc/ddr/spll/apll dividers */ | 
|  | static const struct clk_div_table ulp_div_table[] = { | 
|  | { .val = 1, .div = 1, }, | 
|  | { .val = 2, .div = 2, }, | 
|  | { .val = 3, .div = 4, }, | 
|  | { .val = 4, .div = 8, }, | 
|  | { .val = 5, .div = 16, }, | 
|  | { .val = 6, .div = 32, }, | 
|  | { .val = 7, .div = 64, }, | 
|  | { /* sentinel */ }, | 
|  | }; | 
|  |  | 
|  | static void __init imx7ulp_clk_scg1_init(struct device_node *np) | 
|  | { | 
|  | struct clk_hw_onecell_data *clk_data; | 
|  | struct clk_hw **hws; | 
|  | void __iomem *base; | 
|  |  | 
|  | clk_data = kzalloc(struct_size(clk_data, hws, IMX7ULP_CLK_SCG1_END), | 
|  | GFP_KERNEL); | 
|  | if (!clk_data) | 
|  | return; | 
|  |  | 
|  | clk_data->num = IMX7ULP_CLK_SCG1_END; | 
|  | hws = clk_data->hws; | 
|  |  | 
|  | hws[IMX7ULP_CLK_DUMMY]		= imx_clk_hw_fixed("dummy", 0); | 
|  |  | 
|  | hws[IMX7ULP_CLK_ROSC]		= imx_get_clk_hw_by_name(np, "rosc"); | 
|  | hws[IMX7ULP_CLK_SOSC]		= imx_get_clk_hw_by_name(np, "sosc"); | 
|  | hws[IMX7ULP_CLK_SIRC]		= imx_get_clk_hw_by_name(np, "sirc"); | 
|  | hws[IMX7ULP_CLK_FIRC]		= imx_get_clk_hw_by_name(np, "firc"); | 
|  | hws[IMX7ULP_CLK_UPLL]		= imx_get_clk_hw_by_name(np, "upll"); | 
|  |  | 
|  | /* SCG1 */ | 
|  | base = of_iomap(np, 0); | 
|  | WARN_ON(!base); | 
|  |  | 
|  | /* NOTE: xPLL config can't be changed when xPLL is enabled */ | 
|  | hws[IMX7ULP_CLK_APLL_PRE_SEL]	= imx_clk_hw_mux_flags("apll_pre_sel", base + 0x508, 0, 1, pll_pre_sels, ARRAY_SIZE(pll_pre_sels), CLK_SET_PARENT_GATE); | 
|  | hws[IMX7ULP_CLK_SPLL_PRE_SEL]	= imx_clk_hw_mux_flags("spll_pre_sel", base + 0x608, 0, 1, pll_pre_sels, ARRAY_SIZE(pll_pre_sels), CLK_SET_PARENT_GATE); | 
|  |  | 
|  | /*							   name		    parent_name	   reg			shift	width	flags */ | 
|  | hws[IMX7ULP_CLK_APLL_PRE_DIV]	= imx_clk_hw_divider_flags("apll_pre_div", "apll_pre_sel", base + 0x508,	8,	3,	CLK_SET_RATE_GATE); | 
|  | hws[IMX7ULP_CLK_SPLL_PRE_DIV]	= imx_clk_hw_divider_flags("spll_pre_div", "spll_pre_sel", base + 0x608,	8,	3,	CLK_SET_RATE_GATE); | 
|  |  | 
|  | /*						name	 parent_name	 base */ | 
|  | hws[IMX7ULP_CLK_APLL]		= imx_clk_hw_pllv4(IMX_PLLV4_IMX7ULP, "apll",  "apll_pre_div", base + 0x500); | 
|  | hws[IMX7ULP_CLK_SPLL]		= imx_clk_hw_pllv4(IMX_PLLV4_IMX7ULP, "spll",  "spll_pre_div", base + 0x600); | 
|  |  | 
|  | /* APLL PFDs */ | 
|  | hws[IMX7ULP_CLK_APLL_PFD0]	= imx_clk_hw_pfdv2(IMX_PFDV2_IMX7ULP, "apll_pfd0", "apll", base + 0x50c, 0); | 
|  | hws[IMX7ULP_CLK_APLL_PFD1]	= imx_clk_hw_pfdv2(IMX_PFDV2_IMX7ULP, "apll_pfd1", "apll", base + 0x50c, 1); | 
|  | hws[IMX7ULP_CLK_APLL_PFD2]	= imx_clk_hw_pfdv2(IMX_PFDV2_IMX7ULP, "apll_pfd2", "apll", base + 0x50c, 2); | 
|  | hws[IMX7ULP_CLK_APLL_PFD3]	= imx_clk_hw_pfdv2(IMX_PFDV2_IMX7ULP, "apll_pfd3", "apll", base + 0x50c, 3); | 
|  |  | 
|  | /* SPLL PFDs */ | 
|  | hws[IMX7ULP_CLK_SPLL_PFD0]	= imx_clk_hw_pfdv2(IMX_PFDV2_IMX7ULP, "spll_pfd0", "spll", base + 0x60C, 0); | 
|  | hws[IMX7ULP_CLK_SPLL_PFD1]	= imx_clk_hw_pfdv2(IMX_PFDV2_IMX7ULP, "spll_pfd1", "spll", base + 0x60C, 1); | 
|  | hws[IMX7ULP_CLK_SPLL_PFD2]	= imx_clk_hw_pfdv2(IMX_PFDV2_IMX7ULP, "spll_pfd2", "spll", base + 0x60C, 2); | 
|  | hws[IMX7ULP_CLK_SPLL_PFD3]	= imx_clk_hw_pfdv2(IMX_PFDV2_IMX7ULP, "spll_pfd3", "spll", base + 0x60C, 3); | 
|  |  | 
|  | /* PLL Mux */ | 
|  | hws[IMX7ULP_CLK_APLL_PFD_SEL]	= imx_clk_hw_mux_flags("apll_pfd_sel", base + 0x508, 14, 2, apll_pfd_sels, ARRAY_SIZE(apll_pfd_sels), CLK_SET_RATE_PARENT | CLK_SET_PARENT_GATE); | 
|  | hws[IMX7ULP_CLK_SPLL_PFD_SEL]	= imx_clk_hw_mux_flags("spll_pfd_sel", base + 0x608, 14, 2, spll_pfd_sels, ARRAY_SIZE(spll_pfd_sels), CLK_SET_RATE_PARENT | CLK_SET_PARENT_GATE); | 
|  | hws[IMX7ULP_CLK_APLL_SEL]	= imx_clk_hw_mux_flags("apll_sel", base + 0x508, 1, 1, apll_sels, ARRAY_SIZE(apll_sels), CLK_SET_RATE_PARENT | CLK_SET_PARENT_GATE); | 
|  | hws[IMX7ULP_CLK_SPLL_SEL]	= imx_clk_hw_mux_flags("spll_sel", base + 0x608, 1, 1, spll_sels, ARRAY_SIZE(spll_sels), CLK_SET_RATE_PARENT | CLK_SET_PARENT_GATE); | 
|  |  | 
|  | hws[IMX7ULP_CLK_SPLL_BUS_CLK]	= imx_clk_hw_divider_gate("spll_bus_clk", "spll_sel", CLK_SET_RATE_GATE, base + 0x604, 8, 3, 0, ulp_div_table, &imx_ccm_lock); | 
|  |  | 
|  | /* scs/ddr/nic select different clock source requires that clock to be enabled first */ | 
|  | hws[IMX7ULP_CLK_SYS_SEL]	= imx_clk_hw_mux2("scs_sel", base + 0x14, 24, 4, scs_sels, ARRAY_SIZE(scs_sels)); | 
|  | hws[IMX7ULP_CLK_HSRUN_SYS_SEL] = imx_clk_hw_mux2("hsrun_scs_sel", base + 0x1c, 24, 4, scs_sels, ARRAY_SIZE(scs_sels)); | 
|  | hws[IMX7ULP_CLK_NIC_SEL]	= imx_clk_hw_mux2("nic_sel", base + 0x40, 28, 1, nic_sels, ARRAY_SIZE(nic_sels)); | 
|  | hws[IMX7ULP_CLK_DDR_SEL]	= imx_clk_hw_mux_flags("ddr_sel", base + 0x30, 24, 2, ddr_sels, ARRAY_SIZE(ddr_sels), CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE); | 
|  |  | 
|  | hws[IMX7ULP_CLK_CORE_DIV]	= imx_clk_hw_divider_flags("divcore",	"scs_sel",  base + 0x14, 16, 4, CLK_SET_RATE_PARENT); | 
|  | hws[IMX7ULP_CLK_CORE]		= imx_clk_hw_cpu("core", "divcore", hws[IMX7ULP_CLK_CORE_DIV]->clk, hws[IMX7ULP_CLK_SYS_SEL]->clk, hws[IMX7ULP_CLK_SPLL_SEL]->clk, hws[IMX7ULP_CLK_FIRC]->clk); | 
|  | hws[IMX7ULP_CLK_HSRUN_CORE_DIV] = imx_clk_hw_divider_flags("hsrun_divcore", "hsrun_scs_sel", base + 0x1c, 16, 4, CLK_SET_RATE_PARENT); | 
|  | hws[IMX7ULP_CLK_HSRUN_CORE] = imx_clk_hw_cpu("hsrun_core", "hsrun_divcore", hws[IMX7ULP_CLK_HSRUN_CORE_DIV]->clk, hws[IMX7ULP_CLK_HSRUN_SYS_SEL]->clk, hws[IMX7ULP_CLK_SPLL_SEL]->clk, hws[IMX7ULP_CLK_FIRC]->clk); | 
|  |  | 
|  | hws[IMX7ULP_CLK_DDR_DIV]	= imx_clk_hw_divider_gate("ddr_clk", "ddr_sel", CLK_SET_RATE_PARENT | CLK_IS_CRITICAL, base + 0x30, 0, 3, | 
|  | 0, ulp_div_table, &imx_ccm_lock); | 
|  |  | 
|  | hws[IMX7ULP_CLK_NIC0_DIV]	= imx_clk_hw_divider_flags("nic0_clk",		"nic_sel",  base + 0x40, 24, 4, CLK_SET_RATE_PARENT | CLK_IS_CRITICAL); | 
|  | hws[IMX7ULP_CLK_NIC1_DIV]	= imx_clk_hw_divider_flags("nic1_clk",		"nic0_clk", base + 0x40, 16, 4, CLK_SET_RATE_PARENT | CLK_IS_CRITICAL); | 
|  | hws[IMX7ULP_CLK_NIC1_BUS_DIV]	= imx_clk_hw_divider_flags("nic1_bus_clk",	"nic0_clk", base + 0x40, 4,  4, CLK_SET_RATE_PARENT | CLK_IS_CRITICAL); | 
|  |  | 
|  | hws[IMX7ULP_CLK_GPU_DIV]	= imx_clk_hw_divider("gpu_clk", "nic0_clk", base + 0x40, 20, 4); | 
|  |  | 
|  | hws[IMX7ULP_CLK_SOSC_BUS_CLK]	= imx_clk_hw_divider_gate("sosc_bus_clk", "sosc", 0, base + 0x104, 8, 3, | 
|  | CLK_DIVIDER_READ_ONLY, ulp_div_table, &imx_ccm_lock); | 
|  | hws[IMX7ULP_CLK_FIRC_BUS_CLK]	= imx_clk_hw_divider_gate("firc_bus_clk", "firc", 0, base + 0x304, 8, 3, | 
|  | CLK_DIVIDER_READ_ONLY, ulp_div_table, &imx_ccm_lock); | 
|  |  | 
|  | imx_check_clk_hws(hws, clk_data->num); | 
|  |  | 
|  | of_clk_add_hw_provider(np, of_clk_hw_onecell_get, clk_data); | 
|  | } | 
|  | CLK_OF_DECLARE(imx7ulp_clk_scg1, "fsl,imx7ulp-scg1", imx7ulp_clk_scg1_init); | 
|  |  | 
|  | static void __init imx7ulp_clk_pcc2_init(struct device_node *np) | 
|  | { | 
|  | struct clk_hw_onecell_data *clk_data; | 
|  | struct clk_hw **hws; | 
|  | void __iomem *base; | 
|  |  | 
|  | clk_data = kzalloc(struct_size(clk_data, hws, IMX7ULP_CLK_PCC2_END), | 
|  | GFP_KERNEL); | 
|  | if (!clk_data) | 
|  | return; | 
|  |  | 
|  | clk_data->num = IMX7ULP_CLK_PCC2_END; | 
|  | hws = clk_data->hws; | 
|  |  | 
|  | /* PCC2 */ | 
|  | base = of_iomap(np, 0); | 
|  | WARN_ON(!base); | 
|  |  | 
|  | hws[IMX7ULP_CLK_DMA1]		= imx_clk_hw_gate("dma1", "nic1_clk", base + 0x20, 30); | 
|  | hws[IMX7ULP_CLK_RGPIO2P1]	= imx_clk_hw_gate("rgpio2p1", "nic1_bus_clk", base + 0x3c, 30); | 
|  | hws[IMX7ULP_CLK_DMA_MUX1]	= imx_clk_hw_gate("dma_mux1", "nic1_bus_clk", base + 0x84, 30); | 
|  | hws[IMX7ULP_CLK_CAAM]		= imx_clk_hw_gate("caam", "nic1_clk", base + 0x90, 30); | 
|  | hws[IMX7ULP_CLK_LPTPM4]		= imx7ulp_clk_hw_composite("lptpm4",  periph_bus_sels, ARRAY_SIZE(periph_bus_sels), true, false, true, base + 0x94); | 
|  | hws[IMX7ULP_CLK_LPTPM5]		= imx7ulp_clk_hw_composite("lptpm5",  periph_bus_sels, ARRAY_SIZE(periph_bus_sels), true, false, true, base + 0x98); | 
|  | hws[IMX7ULP_CLK_LPIT1]		= imx7ulp_clk_hw_composite("lpit1",   periph_bus_sels, ARRAY_SIZE(periph_bus_sels), true, false, true, base + 0x9c); | 
|  | hws[IMX7ULP_CLK_LPSPI2]		= imx7ulp_clk_hw_composite("lpspi2",  periph_bus_sels, ARRAY_SIZE(periph_bus_sels), true, false, true, base + 0xa4); | 
|  | hws[IMX7ULP_CLK_LPSPI3]		= imx7ulp_clk_hw_composite("lpspi3",  periph_bus_sels, ARRAY_SIZE(periph_bus_sels), true, false, true, base + 0xa8); | 
|  | hws[IMX7ULP_CLK_LPI2C4]		= imx7ulp_clk_hw_composite("lpi2c4",  periph_bus_sels, ARRAY_SIZE(periph_bus_sels), true, false, true, base + 0xac); | 
|  | hws[IMX7ULP_CLK_LPI2C5]		= imx7ulp_clk_hw_composite("lpi2c5",  periph_bus_sels, ARRAY_SIZE(periph_bus_sels), true, false, true, base + 0xb0); | 
|  | hws[IMX7ULP_CLK_LPUART4]	= imx7ulp_clk_hw_composite("lpuart4", periph_bus_sels, ARRAY_SIZE(periph_bus_sels), true, false, true, base + 0xb4); | 
|  | hws[IMX7ULP_CLK_LPUART5]	= imx7ulp_clk_hw_composite("lpuart5", periph_bus_sels, ARRAY_SIZE(periph_bus_sels), true, false, true, base + 0xb8); | 
|  | hws[IMX7ULP_CLK_FLEXIO1]	= imx7ulp_clk_hw_composite("flexio1", periph_bus_sels, ARRAY_SIZE(periph_bus_sels), true, false, true, base + 0xc4); | 
|  | hws[IMX7ULP_CLK_USB0]		= imx7ulp_clk_hw_composite("usb0",    periph_plat_sels, ARRAY_SIZE(periph_plat_sels), true, true,  true, base + 0xcc); | 
|  | hws[IMX7ULP_CLK_USB1]		= imx7ulp_clk_hw_composite("usb1",    periph_plat_sels, ARRAY_SIZE(periph_plat_sels), true, true,  true, base + 0xd0); | 
|  | hws[IMX7ULP_CLK_USB_PHY]	= imx_clk_hw_gate("usb_phy", "nic1_bus_clk", base + 0xd4, 30); | 
|  | hws[IMX7ULP_CLK_USDHC0]		= imx7ulp_clk_hw_composite("usdhc0",  periph_plat_sels, ARRAY_SIZE(periph_plat_sels), true, true,  true, base + 0xdc); | 
|  | hws[IMX7ULP_CLK_USDHC1]		= imx7ulp_clk_hw_composite("usdhc1",  periph_plat_sels, ARRAY_SIZE(periph_plat_sels), true, true,  true, base + 0xe0); | 
|  | hws[IMX7ULP_CLK_WDG1]		= imx7ulp_clk_hw_composite("wdg1",    periph_bus_sels, ARRAY_SIZE(periph_bus_sels), true, true,  true, base + 0xf4); | 
|  | hws[IMX7ULP_CLK_WDG2]		= imx7ulp_clk_hw_composite("wdg2",    periph_bus_sels, ARRAY_SIZE(periph_bus_sels), true, true,  true, base + 0x10c); | 
|  |  | 
|  | imx_check_clk_hws(hws, clk_data->num); | 
|  |  | 
|  | of_clk_add_hw_provider(np, of_clk_hw_onecell_get, clk_data); | 
|  |  | 
|  | imx_register_uart_clocks(); | 
|  | } | 
|  | CLK_OF_DECLARE(imx7ulp_clk_pcc2, "fsl,imx7ulp-pcc2", imx7ulp_clk_pcc2_init); | 
|  |  | 
|  | static void __init imx7ulp_clk_pcc3_init(struct device_node *np) | 
|  | { | 
|  | struct clk_hw_onecell_data *clk_data; | 
|  | struct clk_hw **hws; | 
|  | void __iomem *base; | 
|  |  | 
|  | clk_data = kzalloc(struct_size(clk_data, hws, IMX7ULP_CLK_PCC3_END), | 
|  | GFP_KERNEL); | 
|  | if (!clk_data) | 
|  | return; | 
|  |  | 
|  | clk_data->num = IMX7ULP_CLK_PCC3_END; | 
|  | hws = clk_data->hws; | 
|  |  | 
|  | /* PCC3 */ | 
|  | base = of_iomap(np, 0); | 
|  | WARN_ON(!base); | 
|  |  | 
|  | hws[IMX7ULP_CLK_LPTPM6]	= imx7ulp_clk_hw_composite("lptpm6",  periph_bus_sels, ARRAY_SIZE(periph_bus_sels), true, false, true, base + 0x84); | 
|  | hws[IMX7ULP_CLK_LPTPM7]	= imx7ulp_clk_hw_composite("lptpm7",  periph_bus_sels, ARRAY_SIZE(periph_bus_sels), true, false, true, base + 0x88); | 
|  |  | 
|  | hws[IMX7ULP_CLK_MMDC]		= clk_hw_register_gate(NULL, "mmdc", "nic1_clk", CLK_SET_RATE_PARENT | CLK_IS_CRITICAL, | 
|  | base + 0xac, 30, 0, &imx_ccm_lock); | 
|  | hws[IMX7ULP_CLK_LPI2C6]	= imx7ulp_clk_hw_composite("lpi2c6",  periph_bus_sels, ARRAY_SIZE(periph_bus_sels), true, false, true, base + 0x90); | 
|  | hws[IMX7ULP_CLK_LPI2C7]	= imx7ulp_clk_hw_composite("lpi2c7",  periph_bus_sels, ARRAY_SIZE(periph_bus_sels), true, false, true, base + 0x94); | 
|  | hws[IMX7ULP_CLK_LPUART6]	= imx7ulp_clk_hw_composite("lpuart6", periph_bus_sels, ARRAY_SIZE(periph_bus_sels), true, false, true, base + 0x98); | 
|  | hws[IMX7ULP_CLK_LPUART7]	= imx7ulp_clk_hw_composite("lpuart7", periph_bus_sels, ARRAY_SIZE(periph_bus_sels), true, false, true, base + 0x9c); | 
|  | hws[IMX7ULP_CLK_DSI]		= imx7ulp_clk_hw_composite("dsi",     periph_bus_sels, ARRAY_SIZE(periph_bus_sels), true, true,  true, base + 0xa4); | 
|  | hws[IMX7ULP_CLK_LCDIF]		= imx7ulp_clk_hw_composite("lcdif",   periph_plat_sels, ARRAY_SIZE(periph_plat_sels), true, true,  true, base + 0xa8); | 
|  |  | 
|  | hws[IMX7ULP_CLK_VIU]		= imx_clk_hw_gate("viu",   "nic1_clk",	   base + 0xa0, 30); | 
|  | hws[IMX7ULP_CLK_PCTLC]		= imx_clk_hw_gate("pctlc", "nic1_bus_clk", base + 0xb8, 30); | 
|  | hws[IMX7ULP_CLK_PCTLD]		= imx_clk_hw_gate("pctld", "nic1_bus_clk", base + 0xbc, 30); | 
|  | hws[IMX7ULP_CLK_PCTLE]		= imx_clk_hw_gate("pctle", "nic1_bus_clk", base + 0xc0, 30); | 
|  | hws[IMX7ULP_CLK_PCTLF]		= imx_clk_hw_gate("pctlf", "nic1_bus_clk", base + 0xc4, 30); | 
|  |  | 
|  | hws[IMX7ULP_CLK_GPU3D]		= imx7ulp_clk_hw_composite("gpu3d",   periph_plat_sels, ARRAY_SIZE(periph_plat_sels), true, false, true, base + 0x140); | 
|  | hws[IMX7ULP_CLK_GPU2D]		= imx7ulp_clk_hw_composite("gpu2d",   periph_plat_sels, ARRAY_SIZE(periph_plat_sels), true, false, true, base + 0x144); | 
|  |  | 
|  | imx_check_clk_hws(hws, clk_data->num); | 
|  |  | 
|  | of_clk_add_hw_provider(np, of_clk_hw_onecell_get, clk_data); | 
|  |  | 
|  | imx_register_uart_clocks(); | 
|  | } | 
|  | CLK_OF_DECLARE(imx7ulp_clk_pcc3, "fsl,imx7ulp-pcc3", imx7ulp_clk_pcc3_init); | 
|  |  | 
|  | static void __init imx7ulp_clk_smc1_init(struct device_node *np) | 
|  | { | 
|  | struct clk_hw_onecell_data *clk_data; | 
|  | struct clk_hw **hws; | 
|  | void __iomem *base; | 
|  |  | 
|  | clk_data = kzalloc(struct_size(clk_data, hws, IMX7ULP_CLK_SMC1_END), | 
|  | GFP_KERNEL); | 
|  | if (!clk_data) | 
|  | return; | 
|  |  | 
|  | clk_data->num = IMX7ULP_CLK_SMC1_END; | 
|  | hws = clk_data->hws; | 
|  |  | 
|  | /* SMC1 */ | 
|  | base = of_iomap(np, 0); | 
|  | WARN_ON(!base); | 
|  |  | 
|  | hws[IMX7ULP_CLK_ARM] = imx_clk_hw_mux_flags("arm", base + 0x10, 8, 2, arm_sels, ARRAY_SIZE(arm_sels), CLK_SET_RATE_PARENT); | 
|  |  | 
|  | imx_check_clk_hws(hws, clk_data->num); | 
|  |  | 
|  | of_clk_add_hw_provider(np, of_clk_hw_onecell_get, clk_data); | 
|  | } | 
|  | CLK_OF_DECLARE(imx7ulp_clk_smc1, "fsl,imx7ulp-smc1", imx7ulp_clk_smc1_init); |