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1// SPDX-License-Identifier: GPL-2.0-only2/*3 * Copyright 2013-2014 Freescale Semiconductor, Inc.4 */5 6#include <linux/bits.h>7#include <linux/clk.h>8#include <linux/clkdev.h>9#include <linux/clk/imx.h>10#include <linux/err.h>11#include <linux/of.h>12#include <linux/of_address.h>13#include <linux/of_irq.h>14#include <dt-bindings/clock/imx6sl-clock.h>15 16#include "clk.h"17 18#define CCSR 0xc19#define BM_CCSR_PLL1_SW_CLK_SEL BIT(2)20#define CACRR 0x1021#define CDHIPR 0x4822#define BM_CDHIPR_ARM_PODF_BUSY BIT(16)23#define ARM_WAIT_DIV_396M 224#define ARM_WAIT_DIV_792M 425#define ARM_WAIT_DIV_996M 626 27#define PLL_ARM 0x028#define BM_PLL_ARM_DIV_SELECT 0x7f29#define BM_PLL_ARM_POWERDOWN BIT(12)30#define BM_PLL_ARM_ENABLE BIT(13)31#define BM_PLL_ARM_LOCK BIT(31)32#define PLL_ARM_DIV_792M 6633 34static const char *step_sels[] = { "osc", "pll2_pfd2", };35static const char *pll1_sw_sels[] = { "pll1_sys", "step", };36static const char *ocram_alt_sels[] = { "pll2_pfd2", "pll3_pfd1", };37static const char *ocram_sels[] = { "periph", "ocram_alt_sels", };38static const char *pre_periph_sels[] = { "pll2_bus", "pll2_pfd2", "pll2_pfd0", "pll2_198m", };39static const char *periph_clk2_sels[] = { "pll3_usb_otg", "osc", "osc", "dummy", };40static const char *periph2_clk2_sels[] = { "pll3_usb_otg", "pll2_bus", };41static const char *periph_sels[] = { "pre_periph_sel", "periph_clk2_podf", };42static const char *periph2_sels[] = { "pre_periph2_sel", "periph2_clk2_podf", };43static const char *csi_sels[] = { "osc", "pll2_pfd2", "pll3_120m", "pll3_pfd1", };44static const char *lcdif_axi_sels[] = { "pll2_bus", "pll2_pfd2", "pll3_usb_otg", "pll3_pfd1", };45static const char *usdhc_sels[] = { "pll2_pfd2", "pll2_pfd0", };46static const char *ssi_sels[] = { "pll3_pfd2", "pll3_pfd3", "pll4_audio_div", "dummy", };47static const char *perclk_sels[] = { "ipg", "osc", };48static const char *pxp_axi_sels[] = { "pll2_bus", "pll3_usb_otg", "pll5_video_div", "pll2_pfd0", "pll2_pfd2", "pll3_pfd3", };49static const char *epdc_axi_sels[] = { "pll2_bus", "pll3_usb_otg", "pll5_video_div", "pll2_pfd0", "pll2_pfd2", "pll3_pfd2", };50static const char *gpu2d_ovg_sels[] = { "pll3_pfd1", "pll3_usb_otg", "pll2_bus", "pll2_pfd2", };51static const char *gpu2d_sels[] = { "pll2_pfd2", "pll3_usb_otg", "pll3_pfd1", "pll2_bus", };52static const char *lcdif_pix_sels[] = { "pll2_bus", "pll3_usb_otg", "pll5_video_div", "pll2_pfd0", "pll3_pfd0", "pll3_pfd1", };53static const char *epdc_pix_sels[] = { "pll2_bus", "pll3_usb_otg", "pll5_video_div", "pll2_pfd0", "pll2_pfd1", "pll3_pfd1", };54static const char *audio_sels[] = { "pll4_audio_div", "pll3_pfd2", "pll3_pfd3", "pll3_usb_otg", };55static const char *ecspi_sels[] = { "pll3_60m", "osc", };56static const char *uart_sels[] = { "pll3_80m", "osc", };57static const char *lvds_sels[] = {58 "pll1_sys", "pll2_bus", "pll2_pfd0", "pll2_pfd1", "pll2_pfd2", "dummy", "pll4_audio", "pll5_video",59 "dummy", "enet_ref", "dummy", "dummy", "pll3_usb_otg", "pll7_usb_host", "pll3_pfd0", "pll3_pfd1",60 "pll3_pfd2", "pll3_pfd3", "osc", "dummy", "dummy", "dummy", "dummy", "dummy",61 "dummy", "dummy", "dummy", "dummy", "dummy", "dummy", "dummy", "dummy",62};63static const char *pll_bypass_src_sels[] = { "osc", "lvds1_in", };64static const char *pll1_bypass_sels[] = { "pll1", "pll1_bypass_src", };65static const char *pll2_bypass_sels[] = { "pll2", "pll2_bypass_src", };66static const char *pll3_bypass_sels[] = { "pll3", "pll3_bypass_src", };67static const char *pll4_bypass_sels[] = { "pll4", "pll4_bypass_src", };68static const char *pll5_bypass_sels[] = { "pll5", "pll5_bypass_src", };69static const char *pll6_bypass_sels[] = { "pll6", "pll6_bypass_src", };70static const char *pll7_bypass_sels[] = { "pll7", "pll7_bypass_src", };71 72static const struct clk_div_table clk_enet_ref_table[] = {73 { .val = 0, .div = 20, },74 { .val = 1, .div = 10, },75 { .val = 2, .div = 5, },76 { .val = 3, .div = 4, },77 { }78};79 80static const struct clk_div_table post_div_table[] = {81 { .val = 2, .div = 1, },82 { .val = 1, .div = 2, },83 { .val = 0, .div = 4, },84 { }85};86 87static const struct clk_div_table video_div_table[] = {88 { .val = 0, .div = 1, },89 { .val = 1, .div = 2, },90 { .val = 2, .div = 1, },91 { .val = 3, .div = 4, },92 { }93};94 95static unsigned int share_count_ssi1;96static unsigned int share_count_ssi2;97static unsigned int share_count_ssi3;98static unsigned int share_count_spdif;99 100static struct clk_hw **hws;101static struct clk_hw_onecell_data *clk_hw_data;102static void __iomem *ccm_base;103static void __iomem *anatop_base;104 105/*106 * ERR005311 CCM: After exit from WAIT mode, unwanted interrupt(s) taken107 * during WAIT mode entry process could cause cache memory108 * corruption.109 *110 * Software workaround:111 * To prevent this issue from occurring, software should ensure that the112 * ARM to IPG clock ratio is less than 12:5 (that is < 2.4x), before113 * entering WAIT mode.114 *115 * This function will set the ARM clk to max value within the 12:5 limit.116 * As IPG clock is fixed at 66MHz(so ARM freq must not exceed 158.4MHz),117 * ARM freq are one of below setpoints: 396MHz, 792MHz and 996MHz, since118 * the clk APIs can NOT be called in idle thread(may cause kernel schedule119 * as there is sleep function in PLL wait function), so here we just slow120 * down ARM to below freq according to previous freq:121 *122 * run mode wait mode123 * 396MHz -> 132MHz;124 * 792MHz -> 158.4MHz;125 * 996MHz -> 142.3MHz;126 */127static int imx6sl_get_arm_divider_for_wait(void)128{129 if (readl_relaxed(ccm_base + CCSR) & BM_CCSR_PLL1_SW_CLK_SEL) {130 return ARM_WAIT_DIV_396M;131 } else {132 if ((readl_relaxed(anatop_base + PLL_ARM) &133 BM_PLL_ARM_DIV_SELECT) == PLL_ARM_DIV_792M)134 return ARM_WAIT_DIV_792M;135 else136 return ARM_WAIT_DIV_996M;137 }138}139 140static void imx6sl_enable_pll_arm(bool enable)141{142 static u32 saved_pll_arm;143 u32 val;144 145 if (enable) {146 saved_pll_arm = val = readl_relaxed(anatop_base + PLL_ARM);147 val |= BM_PLL_ARM_ENABLE;148 val &= ~BM_PLL_ARM_POWERDOWN;149 writel_relaxed(val, anatop_base + PLL_ARM);150 while (!(readl_relaxed(anatop_base + PLL_ARM) & BM_PLL_ARM_LOCK))151 ;152 } else {153 writel_relaxed(saved_pll_arm, anatop_base + PLL_ARM);154 }155}156 157void imx6sl_set_wait_clk(bool enter)158{159 static unsigned long saved_arm_div;160 int arm_div_for_wait = imx6sl_get_arm_divider_for_wait();161 162 /*163 * According to hardware design, arm podf change need164 * PLL1 clock enabled.165 */166 if (arm_div_for_wait == ARM_WAIT_DIV_396M)167 imx6sl_enable_pll_arm(true);168 169 if (enter) {170 saved_arm_div = readl_relaxed(ccm_base + CACRR);171 writel_relaxed(arm_div_for_wait, ccm_base + CACRR);172 } else {173 writel_relaxed(saved_arm_div, ccm_base + CACRR);174 }175 while (__raw_readl(ccm_base + CDHIPR) & BM_CDHIPR_ARM_PODF_BUSY)176 ;177 178 if (arm_div_for_wait == ARM_WAIT_DIV_396M)179 imx6sl_enable_pll_arm(false);180}181 182static void __init imx6sl_clocks_init(struct device_node *ccm_node)183{184 struct device_node *np;185 void __iomem *base;186 int ret;187 188 clk_hw_data = kzalloc(struct_size(clk_hw_data, hws,189 IMX6SL_CLK_END), GFP_KERNEL);190 if (WARN_ON(!clk_hw_data))191 return;192 193 clk_hw_data->num = IMX6SL_CLK_END;194 hws = clk_hw_data->hws;195 196 hws[IMX6SL_CLK_DUMMY] = imx_clk_hw_fixed("dummy", 0);197 hws[IMX6SL_CLK_CKIL] = imx_obtain_fixed_clock_hw("ckil", 0);198 hws[IMX6SL_CLK_OSC] = imx_obtain_fixed_clock_hw("osc", 0);199 /* Clock source from external clock via CLK1 PAD */200 hws[IMX6SL_CLK_ANACLK1] = imx_obtain_fixed_clock_hw("anaclk1", 0);201 202 np = of_find_compatible_node(NULL, NULL, "fsl,imx6sl-anatop");203 base = of_iomap(np, 0);204 WARN_ON(!base);205 of_node_put(np);206 anatop_base = base;207 208 hws[IMX6SL_PLL1_BYPASS_SRC] = imx_clk_hw_mux("pll1_bypass_src", base + 0x00, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels));209 hws[IMX6SL_PLL2_BYPASS_SRC] = imx_clk_hw_mux("pll2_bypass_src", base + 0x30, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels));210 hws[IMX6SL_PLL3_BYPASS_SRC] = imx_clk_hw_mux("pll3_bypass_src", base + 0x10, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels));211 hws[IMX6SL_PLL4_BYPASS_SRC] = imx_clk_hw_mux("pll4_bypass_src", base + 0x70, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels));212 hws[IMX6SL_PLL5_BYPASS_SRC] = imx_clk_hw_mux("pll5_bypass_src", base + 0xa0, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels));213 hws[IMX6SL_PLL6_BYPASS_SRC] = imx_clk_hw_mux("pll6_bypass_src", base + 0xe0, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels));214 hws[IMX6SL_PLL7_BYPASS_SRC] = imx_clk_hw_mux("pll7_bypass_src", base + 0x20, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels));215 216 /* type name parent_name base div_mask */217 hws[IMX6SL_CLK_PLL1] = imx_clk_hw_pllv3(IMX_PLLV3_SYS, "pll1", "osc", base + 0x00, 0x7f);218 hws[IMX6SL_CLK_PLL2] = imx_clk_hw_pllv3(IMX_PLLV3_GENERIC, "pll2", "osc", base + 0x30, 0x1);219 hws[IMX6SL_CLK_PLL3] = imx_clk_hw_pllv3(IMX_PLLV3_USB, "pll3", "osc", base + 0x10, 0x3);220 hws[IMX6SL_CLK_PLL4] = imx_clk_hw_pllv3(IMX_PLLV3_AV, "pll4", "osc", base + 0x70, 0x7f);221 hws[IMX6SL_CLK_PLL5] = imx_clk_hw_pllv3(IMX_PLLV3_AV, "pll5", "osc", base + 0xa0, 0x7f);222 hws[IMX6SL_CLK_PLL6] = imx_clk_hw_pllv3(IMX_PLLV3_ENET, "pll6", "osc", base + 0xe0, 0x3);223 hws[IMX6SL_CLK_PLL7] = imx_clk_hw_pllv3(IMX_PLLV3_USB, "pll7", "osc", base + 0x20, 0x3);224 225 hws[IMX6SL_PLL1_BYPASS] = imx_clk_hw_mux_flags("pll1_bypass", base + 0x00, 16, 1, pll1_bypass_sels, ARRAY_SIZE(pll1_bypass_sels), CLK_SET_RATE_PARENT);226 hws[IMX6SL_PLL2_BYPASS] = imx_clk_hw_mux_flags("pll2_bypass", base + 0x30, 16, 1, pll2_bypass_sels, ARRAY_SIZE(pll2_bypass_sels), CLK_SET_RATE_PARENT);227 hws[IMX6SL_PLL3_BYPASS] = imx_clk_hw_mux_flags("pll3_bypass", base + 0x10, 16, 1, pll3_bypass_sels, ARRAY_SIZE(pll3_bypass_sels), CLK_SET_RATE_PARENT);228 hws[IMX6SL_PLL4_BYPASS] = imx_clk_hw_mux_flags("pll4_bypass", base + 0x70, 16, 1, pll4_bypass_sels, ARRAY_SIZE(pll4_bypass_sels), CLK_SET_RATE_PARENT);229 hws[IMX6SL_PLL5_BYPASS] = imx_clk_hw_mux_flags("pll5_bypass", base + 0xa0, 16, 1, pll5_bypass_sels, ARRAY_SIZE(pll5_bypass_sels), CLK_SET_RATE_PARENT);230 hws[IMX6SL_PLL6_BYPASS] = imx_clk_hw_mux_flags("pll6_bypass", base + 0xe0, 16, 1, pll6_bypass_sels, ARRAY_SIZE(pll6_bypass_sels), CLK_SET_RATE_PARENT);231 hws[IMX6SL_PLL7_BYPASS] = imx_clk_hw_mux_flags("pll7_bypass", base + 0x20, 16, 1, pll7_bypass_sels, ARRAY_SIZE(pll7_bypass_sels), CLK_SET_RATE_PARENT);232 233 /* Do not bypass PLLs initially */234 clk_set_parent(hws[IMX6SL_PLL1_BYPASS]->clk, hws[IMX6SL_CLK_PLL1]->clk);235 clk_set_parent(hws[IMX6SL_PLL2_BYPASS]->clk, hws[IMX6SL_CLK_PLL2]->clk);236 clk_set_parent(hws[IMX6SL_PLL3_BYPASS]->clk, hws[IMX6SL_CLK_PLL3]->clk);237 clk_set_parent(hws[IMX6SL_PLL4_BYPASS]->clk, hws[IMX6SL_CLK_PLL4]->clk);238 clk_set_parent(hws[IMX6SL_PLL5_BYPASS]->clk, hws[IMX6SL_CLK_PLL5]->clk);239 clk_set_parent(hws[IMX6SL_PLL6_BYPASS]->clk, hws[IMX6SL_CLK_PLL6]->clk);240 clk_set_parent(hws[IMX6SL_PLL7_BYPASS]->clk, hws[IMX6SL_CLK_PLL7]->clk);241 242 hws[IMX6SL_CLK_PLL1_SYS] = imx_clk_hw_gate("pll1_sys", "pll1_bypass", base + 0x00, 13);243 hws[IMX6SL_CLK_PLL2_BUS] = imx_clk_hw_gate("pll2_bus", "pll2_bypass", base + 0x30, 13);244 hws[IMX6SL_CLK_PLL3_USB_OTG] = imx_clk_hw_gate("pll3_usb_otg", "pll3_bypass", base + 0x10, 13);245 hws[IMX6SL_CLK_PLL4_AUDIO] = imx_clk_hw_gate("pll4_audio", "pll4_bypass", base + 0x70, 13);246 hws[IMX6SL_CLK_PLL5_VIDEO] = imx_clk_hw_gate("pll5_video", "pll5_bypass", base + 0xa0, 13);247 hws[IMX6SL_CLK_PLL6_ENET] = imx_clk_hw_gate("pll6_enet", "pll6_bypass", base + 0xe0, 13);248 hws[IMX6SL_CLK_PLL7_USB_HOST] = imx_clk_hw_gate("pll7_usb_host", "pll7_bypass", base + 0x20, 13);249 250 hws[IMX6SL_CLK_LVDS1_SEL] = imx_clk_hw_mux("lvds1_sel", base + 0x160, 0, 5, lvds_sels, ARRAY_SIZE(lvds_sels));251 hws[IMX6SL_CLK_LVDS1_OUT] = imx_clk_hw_gate_exclusive("lvds1_out", "lvds1_sel", base + 0x160, 10, BIT(12));252 hws[IMX6SL_CLK_LVDS1_IN] = imx_clk_hw_gate_exclusive("lvds1_in", "anaclk1", base + 0x160, 12, BIT(10));253 254 /*255 * usbphy1 and usbphy2 are implemented as dummy gates using reserve256 * bit 20. They are used by phy driver to keep the refcount of257 * parent PLL correct. usbphy1_gate and usbphy2_gate only needs to be258 * turned on during boot, and software will not need to control it259 * anymore after that.260 */261 hws[IMX6SL_CLK_USBPHY1] = imx_clk_hw_gate("usbphy1", "pll3_usb_otg", base + 0x10, 20);262 hws[IMX6SL_CLK_USBPHY2] = imx_clk_hw_gate("usbphy2", "pll7_usb_host", base + 0x20, 20);263 hws[IMX6SL_CLK_USBPHY1_GATE] = imx_clk_hw_gate("usbphy1_gate", "dummy", base + 0x10, 6);264 hws[IMX6SL_CLK_USBPHY2_GATE] = imx_clk_hw_gate("usbphy2_gate", "dummy", base + 0x20, 6);265 266 /* dev name parent_name flags reg shift width div: flags, div_table lock */267 hws[IMX6SL_CLK_PLL4_POST_DIV] = clk_hw_register_divider_table(NULL, "pll4_post_div", "pll4_audio", CLK_SET_RATE_PARENT, base + 0x70, 19, 2, 0, post_div_table, &imx_ccm_lock);268 hws[IMX6SL_CLK_PLL4_AUDIO_DIV] = clk_hw_register_divider(NULL, "pll4_audio_div", "pll4_post_div", CLK_SET_RATE_PARENT, base + 0x170, 15, 1, 0, &imx_ccm_lock);269 hws[IMX6SL_CLK_PLL5_POST_DIV] = clk_hw_register_divider_table(NULL, "pll5_post_div", "pll5_video", CLK_SET_RATE_PARENT, base + 0xa0, 19, 2, 0, post_div_table, &imx_ccm_lock);270 hws[IMX6SL_CLK_PLL5_VIDEO_DIV] = clk_hw_register_divider_table(NULL, "pll5_video_div", "pll5_post_div", CLK_SET_RATE_PARENT, base + 0x170, 30, 2, 0, video_div_table, &imx_ccm_lock);271 hws[IMX6SL_CLK_ENET_REF] = clk_hw_register_divider_table(NULL, "enet_ref", "pll6_enet", 0, base + 0xe0, 0, 2, 0, clk_enet_ref_table, &imx_ccm_lock);272 273 /* name parent_name reg idx */274 hws[IMX6SL_CLK_PLL2_PFD0] = imx_clk_hw_pfd("pll2_pfd0", "pll2_bus", base + 0x100, 0);275 hws[IMX6SL_CLK_PLL2_PFD1] = imx_clk_hw_pfd("pll2_pfd1", "pll2_bus", base + 0x100, 1);276 hws[IMX6SL_CLK_PLL2_PFD2] = imx_clk_hw_pfd("pll2_pfd2", "pll2_bus", base + 0x100, 2);277 hws[IMX6SL_CLK_PLL3_PFD0] = imx_clk_hw_pfd("pll3_pfd0", "pll3_usb_otg", base + 0xf0, 0);278 hws[IMX6SL_CLK_PLL3_PFD1] = imx_clk_hw_pfd("pll3_pfd1", "pll3_usb_otg", base + 0xf0, 1);279 hws[IMX6SL_CLK_PLL3_PFD2] = imx_clk_hw_pfd("pll3_pfd2", "pll3_usb_otg", base + 0xf0, 2);280 hws[IMX6SL_CLK_PLL3_PFD3] = imx_clk_hw_pfd("pll3_pfd3", "pll3_usb_otg", base + 0xf0, 3);281 282 /* name parent_name mult div */283 hws[IMX6SL_CLK_PLL2_198M] = imx_clk_hw_fixed_factor("pll2_198m", "pll2_pfd2", 1, 2);284 hws[IMX6SL_CLK_PLL3_120M] = imx_clk_hw_fixed_factor("pll3_120m", "pll3_usb_otg", 1, 4);285 hws[IMX6SL_CLK_PLL3_80M] = imx_clk_hw_fixed_factor("pll3_80m", "pll3_usb_otg", 1, 6);286 hws[IMX6SL_CLK_PLL3_60M] = imx_clk_hw_fixed_factor("pll3_60m", "pll3_usb_otg", 1, 8);287 288 np = ccm_node;289 base = of_iomap(np, 0);290 WARN_ON(!base);291 ccm_base = base;292 293 /* name reg shift width parent_names num_parents */294 hws[IMX6SL_CLK_STEP] = imx_clk_hw_mux("step", base + 0xc, 8, 1, step_sels, ARRAY_SIZE(step_sels));295 hws[IMX6SL_CLK_PLL1_SW] = imx_clk_hw_mux("pll1_sw", base + 0xc, 2, 1, pll1_sw_sels, ARRAY_SIZE(pll1_sw_sels));296 hws[IMX6SL_CLK_OCRAM_ALT_SEL] = imx_clk_hw_mux("ocram_alt_sel", base + 0x14, 7, 1, ocram_alt_sels, ARRAY_SIZE(ocram_alt_sels));297 hws[IMX6SL_CLK_OCRAM_SEL] = imx_clk_hw_mux("ocram_sel", base + 0x14, 6, 1, ocram_sels, ARRAY_SIZE(ocram_sels));298 hws[IMX6SL_CLK_PRE_PERIPH2_SEL] = imx_clk_hw_mux("pre_periph2_sel", base + 0x18, 21, 2, pre_periph_sels, ARRAY_SIZE(pre_periph_sels));299 hws[IMX6SL_CLK_PRE_PERIPH_SEL] = imx_clk_hw_mux("pre_periph_sel", base + 0x18, 18, 2, pre_periph_sels, ARRAY_SIZE(pre_periph_sels));300 hws[IMX6SL_CLK_PERIPH2_CLK2_SEL] = imx_clk_hw_mux("periph2_clk2_sel", base + 0x18, 20, 1, periph2_clk2_sels, ARRAY_SIZE(periph2_clk2_sels));301 hws[IMX6SL_CLK_PERIPH_CLK2_SEL] = imx_clk_hw_mux("periph_clk2_sel", base + 0x18, 12, 2, periph_clk2_sels, ARRAY_SIZE(periph_clk2_sels));302 hws[IMX6SL_CLK_CSI_SEL] = imx_clk_hw_mux("csi_sel", base + 0x3c, 9, 2, csi_sels, ARRAY_SIZE(csi_sels));303 hws[IMX6SL_CLK_LCDIF_AXI_SEL] = imx_clk_hw_mux("lcdif_axi_sel", base + 0x3c, 14, 2, lcdif_axi_sels, ARRAY_SIZE(lcdif_axi_sels));304 hws[IMX6SL_CLK_USDHC1_SEL] = imx_clk_hw_fixup_mux("usdhc1_sel", base + 0x1c, 16, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels), imx_cscmr1_fixup);305 hws[IMX6SL_CLK_USDHC2_SEL] = imx_clk_hw_fixup_mux("usdhc2_sel", base + 0x1c, 17, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels), imx_cscmr1_fixup);306 hws[IMX6SL_CLK_USDHC3_SEL] = imx_clk_hw_fixup_mux("usdhc3_sel", base + 0x1c, 18, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels), imx_cscmr1_fixup);307 hws[IMX6SL_CLK_USDHC4_SEL] = imx_clk_hw_fixup_mux("usdhc4_sel", base + 0x1c, 19, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels), imx_cscmr1_fixup);308 hws[IMX6SL_CLK_SSI1_SEL] = imx_clk_hw_fixup_mux("ssi1_sel", base + 0x1c, 10, 2, ssi_sels, ARRAY_SIZE(ssi_sels), imx_cscmr1_fixup);309 hws[IMX6SL_CLK_SSI2_SEL] = imx_clk_hw_fixup_mux("ssi2_sel", base + 0x1c, 12, 2, ssi_sels, ARRAY_SIZE(ssi_sels), imx_cscmr1_fixup);310 hws[IMX6SL_CLK_SSI3_SEL] = imx_clk_hw_fixup_mux("ssi3_sel", base + 0x1c, 14, 2, ssi_sels, ARRAY_SIZE(ssi_sels), imx_cscmr1_fixup);311 hws[IMX6SL_CLK_PERCLK_SEL] = imx_clk_hw_fixup_mux("perclk_sel", base + 0x1c, 6, 1, perclk_sels, ARRAY_SIZE(perclk_sels), imx_cscmr1_fixup);312 hws[IMX6SL_CLK_PXP_AXI_SEL] = imx_clk_hw_mux("pxp_axi_sel", base + 0x34, 6, 3, pxp_axi_sels, ARRAY_SIZE(pxp_axi_sels));313 hws[IMX6SL_CLK_EPDC_AXI_SEL] = imx_clk_hw_mux("epdc_axi_sel", base + 0x34, 15, 3, epdc_axi_sels, ARRAY_SIZE(epdc_axi_sels));314 hws[IMX6SL_CLK_GPU2D_OVG_SEL] = imx_clk_hw_mux("gpu2d_ovg_sel", base + 0x18, 4, 2, gpu2d_ovg_sels, ARRAY_SIZE(gpu2d_ovg_sels));315 hws[IMX6SL_CLK_GPU2D_SEL] = imx_clk_hw_mux("gpu2d_sel", base + 0x18, 8, 2, gpu2d_sels, ARRAY_SIZE(gpu2d_sels));316 hws[IMX6SL_CLK_LCDIF_PIX_SEL] = imx_clk_hw_mux("lcdif_pix_sel", base + 0x38, 6, 3, lcdif_pix_sels, ARRAY_SIZE(lcdif_pix_sels));317 hws[IMX6SL_CLK_EPDC_PIX_SEL] = imx_clk_hw_mux("epdc_pix_sel", base + 0x38, 15, 3, epdc_pix_sels, ARRAY_SIZE(epdc_pix_sels));318 hws[IMX6SL_CLK_SPDIF0_SEL] = imx_clk_hw_mux("spdif0_sel", base + 0x30, 20, 2, audio_sels, ARRAY_SIZE(audio_sels));319 hws[IMX6SL_CLK_SPDIF1_SEL] = imx_clk_hw_mux("spdif1_sel", base + 0x30, 7, 2, audio_sels, ARRAY_SIZE(audio_sels));320 hws[IMX6SL_CLK_EXTERN_AUDIO_SEL] = imx_clk_hw_mux("extern_audio_sel", base + 0x20, 19, 2, audio_sels, ARRAY_SIZE(audio_sels));321 hws[IMX6SL_CLK_ECSPI_SEL] = imx_clk_hw_mux("ecspi_sel", base + 0x38, 18, 1, ecspi_sels, ARRAY_SIZE(ecspi_sels));322 hws[IMX6SL_CLK_UART_SEL] = imx_clk_hw_mux("uart_sel", base + 0x24, 6, 1, uart_sels, ARRAY_SIZE(uart_sels));323 324 /* name reg shift width busy: reg, shift parent_names num_parents */325 hws[IMX6SL_CLK_PERIPH] = imx_clk_hw_busy_mux("periph", base + 0x14, 25, 1, base + 0x48, 5, periph_sels, ARRAY_SIZE(periph_sels));326 hws[IMX6SL_CLK_PERIPH2] = imx_clk_hw_busy_mux("periph2", base + 0x14, 26, 1, base + 0x48, 3, periph2_sels, ARRAY_SIZE(periph2_sels));327 328 /* name parent_name reg shift width */329 hws[IMX6SL_CLK_OCRAM_PODF] = imx_clk_hw_busy_divider("ocram_podf", "ocram_sel", base + 0x14, 16, 3, base + 0x48, 0);330 hws[IMX6SL_CLK_PERIPH_CLK2_PODF] = imx_clk_hw_divider("periph_clk2_podf", "periph_clk2_sel", base + 0x14, 27, 3);331 hws[IMX6SL_CLK_PERIPH2_CLK2_PODF] = imx_clk_hw_divider("periph2_clk2_podf", "periph2_clk2_sel", base + 0x14, 0, 3);332 hws[IMX6SL_CLK_IPG] = imx_clk_hw_divider("ipg", "ahb", base + 0x14, 8, 2);333 hws[IMX6SL_CLK_CSI_PODF] = imx_clk_hw_divider("csi_podf", "csi_sel", base + 0x3c, 11, 3);334 hws[IMX6SL_CLK_LCDIF_AXI_PODF] = imx_clk_hw_divider("lcdif_axi_podf", "lcdif_axi_sel", base + 0x3c, 16, 3);335 hws[IMX6SL_CLK_USDHC1_PODF] = imx_clk_hw_divider("usdhc1_podf", "usdhc1_sel", base + 0x24, 11, 3);336 hws[IMX6SL_CLK_USDHC2_PODF] = imx_clk_hw_divider("usdhc2_podf", "usdhc2_sel", base + 0x24, 16, 3);337 hws[IMX6SL_CLK_USDHC3_PODF] = imx_clk_hw_divider("usdhc3_podf", "usdhc3_sel", base + 0x24, 19, 3);338 hws[IMX6SL_CLK_USDHC4_PODF] = imx_clk_hw_divider("usdhc4_podf", "usdhc4_sel", base + 0x24, 22, 3);339 hws[IMX6SL_CLK_SSI1_PRED] = imx_clk_hw_divider("ssi1_pred", "ssi1_sel", base + 0x28, 6, 3);340 hws[IMX6SL_CLK_SSI1_PODF] = imx_clk_hw_divider("ssi1_podf", "ssi1_pred", base + 0x28, 0, 6);341 hws[IMX6SL_CLK_SSI2_PRED] = imx_clk_hw_divider("ssi2_pred", "ssi2_sel", base + 0x2c, 6, 3);342 hws[IMX6SL_CLK_SSI2_PODF] = imx_clk_hw_divider("ssi2_podf", "ssi2_pred", base + 0x2c, 0, 6);343 hws[IMX6SL_CLK_SSI3_PRED] = imx_clk_hw_divider("ssi3_pred", "ssi3_sel", base + 0x28, 22, 3);344 hws[IMX6SL_CLK_SSI3_PODF] = imx_clk_hw_divider("ssi3_podf", "ssi3_pred", base + 0x28, 16, 6);345 hws[IMX6SL_CLK_PERCLK] = imx_clk_hw_fixup_divider("perclk", "perclk_sel", base + 0x1c, 0, 6, imx_cscmr1_fixup);346 hws[IMX6SL_CLK_PXP_AXI_PODF] = imx_clk_hw_divider("pxp_axi_podf", "pxp_axi_sel", base + 0x34, 3, 3);347 hws[IMX6SL_CLK_EPDC_AXI_PODF] = imx_clk_hw_divider("epdc_axi_podf", "epdc_axi_sel", base + 0x34, 12, 3);348 hws[IMX6SL_CLK_GPU2D_OVG_PODF] = imx_clk_hw_divider("gpu2d_ovg_podf", "gpu2d_ovg_sel", base + 0x18, 26, 3);349 hws[IMX6SL_CLK_GPU2D_PODF] = imx_clk_hw_divider("gpu2d_podf", "gpu2d_sel", base + 0x18, 29, 3);350 hws[IMX6SL_CLK_LCDIF_PIX_PRED] = imx_clk_hw_divider("lcdif_pix_pred", "lcdif_pix_sel", base + 0x38, 3, 3);351 hws[IMX6SL_CLK_EPDC_PIX_PRED] = imx_clk_hw_divider("epdc_pix_pred", "epdc_pix_sel", base + 0x38, 12, 3);352 hws[IMX6SL_CLK_LCDIF_PIX_PODF] = imx_clk_hw_fixup_divider("lcdif_pix_podf", "lcdif_pix_pred", base + 0x1c, 20, 3, imx_cscmr1_fixup);353 hws[IMX6SL_CLK_EPDC_PIX_PODF] = imx_clk_hw_divider("epdc_pix_podf", "epdc_pix_pred", base + 0x18, 23, 3);354 hws[IMX6SL_CLK_SPDIF0_PRED] = imx_clk_hw_divider("spdif0_pred", "spdif0_sel", base + 0x30, 25, 3);355 hws[IMX6SL_CLK_SPDIF0_PODF] = imx_clk_hw_divider("spdif0_podf", "spdif0_pred", base + 0x30, 22, 3);356 hws[IMX6SL_CLK_SPDIF1_PRED] = imx_clk_hw_divider("spdif1_pred", "spdif1_sel", base + 0x30, 12, 3);357 hws[IMX6SL_CLK_SPDIF1_PODF] = imx_clk_hw_divider("spdif1_podf", "spdif1_pred", base + 0x30, 9, 3);358 hws[IMX6SL_CLK_EXTERN_AUDIO_PRED] = imx_clk_hw_divider("extern_audio_pred", "extern_audio_sel", base + 0x28, 9, 3);359 hws[IMX6SL_CLK_EXTERN_AUDIO_PODF] = imx_clk_hw_divider("extern_audio_podf", "extern_audio_pred", base + 0x28, 25, 3);360 hws[IMX6SL_CLK_ECSPI_ROOT] = imx_clk_hw_divider("ecspi_root", "ecspi_sel", base + 0x38, 19, 6);361 hws[IMX6SL_CLK_UART_ROOT] = imx_clk_hw_divider("uart_root", "uart_sel", base + 0x24, 0, 6);362 363 /* name parent_name reg shift width busy: reg, shift */364 hws[IMX6SL_CLK_AHB] = imx_clk_hw_busy_divider("ahb", "periph", base + 0x14, 10, 3, base + 0x48, 1);365 hws[IMX6SL_CLK_MMDC_ROOT] = imx_clk_hw_busy_divider("mmdc", "periph2", base + 0x14, 3, 3, base + 0x48, 2);366 hws[IMX6SL_CLK_ARM] = imx_clk_hw_busy_divider("arm", "pll1_sw", base + 0x10, 0, 3, base + 0x48, 16);367 368 /* name parent_name reg shift */369 hws[IMX6SL_CLK_ECSPI1] = imx_clk_hw_gate2("ecspi1", "ecspi_root", base + 0x6c, 0);370 hws[IMX6SL_CLK_ECSPI2] = imx_clk_hw_gate2("ecspi2", "ecspi_root", base + 0x6c, 2);371 hws[IMX6SL_CLK_ECSPI3] = imx_clk_hw_gate2("ecspi3", "ecspi_root", base + 0x6c, 4);372 hws[IMX6SL_CLK_ECSPI4] = imx_clk_hw_gate2("ecspi4", "ecspi_root", base + 0x6c, 6);373 hws[IMX6SL_CLK_ENET] = imx_clk_hw_gate2("enet", "ipg", base + 0x6c, 10);374 hws[IMX6SL_CLK_EPIT1] = imx_clk_hw_gate2("epit1", "perclk", base + 0x6c, 12);375 hws[IMX6SL_CLK_EPIT2] = imx_clk_hw_gate2("epit2", "perclk", base + 0x6c, 14);376 hws[IMX6SL_CLK_EXTERN_AUDIO] = imx_clk_hw_gate2("extern_audio", "extern_audio_podf", base + 0x6c, 16);377 hws[IMX6SL_CLK_GPT] = imx_clk_hw_gate2("gpt", "perclk", base + 0x6c, 20);378 hws[IMX6SL_CLK_GPT_SERIAL] = imx_clk_hw_gate2("gpt_serial", "perclk", base + 0x6c, 22);379 hws[IMX6SL_CLK_GPU2D_OVG] = imx_clk_hw_gate2("gpu2d_ovg", "gpu2d_ovg_podf", base + 0x6c, 26);380 hws[IMX6SL_CLK_I2C1] = imx_clk_hw_gate2("i2c1", "perclk", base + 0x70, 6);381 hws[IMX6SL_CLK_I2C2] = imx_clk_hw_gate2("i2c2", "perclk", base + 0x70, 8);382 hws[IMX6SL_CLK_I2C3] = imx_clk_hw_gate2("i2c3", "perclk", base + 0x70, 10);383 hws[IMX6SL_CLK_OCOTP] = imx_clk_hw_gate2("ocotp", "ipg", base + 0x70, 12);384 hws[IMX6SL_CLK_CSI] = imx_clk_hw_gate2("csi", "csi_podf", base + 0x74, 0);385 hws[IMX6SL_CLK_PXP_AXI] = imx_clk_hw_gate2("pxp_axi", "pxp_axi_podf", base + 0x74, 2);386 hws[IMX6SL_CLK_EPDC_AXI] = imx_clk_hw_gate2("epdc_axi", "epdc_axi_podf", base + 0x74, 4);387 hws[IMX6SL_CLK_LCDIF_AXI] = imx_clk_hw_gate2("lcdif_axi", "lcdif_axi_podf", base + 0x74, 6);388 hws[IMX6SL_CLK_LCDIF_PIX] = imx_clk_hw_gate2("lcdif_pix", "lcdif_pix_podf", base + 0x74, 8);389 hws[IMX6SL_CLK_EPDC_PIX] = imx_clk_hw_gate2("epdc_pix", "epdc_pix_podf", base + 0x74, 10);390 hws[IMX6SL_CLK_MMDC_P0_IPG] = imx_clk_hw_gate2_flags("mmdc_p0_ipg", "ipg", base + 0x74, 24, CLK_IS_CRITICAL);391 hws[IMX6SL_CLK_MMDC_P1_IPG] = imx_clk_hw_gate2("mmdc_p1_ipg", "ipg", base + 0x74, 26);392 hws[IMX6SL_CLK_OCRAM] = imx_clk_hw_gate2("ocram", "ocram_podf", base + 0x74, 28);393 hws[IMX6SL_CLK_PWM1] = imx_clk_hw_gate2("pwm1", "perclk", base + 0x78, 16);394 hws[IMX6SL_CLK_PWM2] = imx_clk_hw_gate2("pwm2", "perclk", base + 0x78, 18);395 hws[IMX6SL_CLK_PWM3] = imx_clk_hw_gate2("pwm3", "perclk", base + 0x78, 20);396 hws[IMX6SL_CLK_PWM4] = imx_clk_hw_gate2("pwm4", "perclk", base + 0x78, 22);397 hws[IMX6SL_CLK_SDMA] = imx_clk_hw_gate2("sdma", "ipg", base + 0x7c, 6);398 hws[IMX6SL_CLK_SPBA] = imx_clk_hw_gate2("spba", "ipg", base + 0x7c, 12);399 hws[IMX6SL_CLK_SPDIF] = imx_clk_hw_gate2_shared("spdif", "spdif0_podf", base + 0x7c, 14, &share_count_spdif);400 hws[IMX6SL_CLK_SPDIF_GCLK] = imx_clk_hw_gate2_shared("spdif_gclk", "ipg", base + 0x7c, 14, &share_count_spdif);401 hws[IMX6SL_CLK_SSI1_IPG] = imx_clk_hw_gate2_shared("ssi1_ipg", "ipg", base + 0x7c, 18, &share_count_ssi1);402 hws[IMX6SL_CLK_SSI2_IPG] = imx_clk_hw_gate2_shared("ssi2_ipg", "ipg", base + 0x7c, 20, &share_count_ssi2);403 hws[IMX6SL_CLK_SSI3_IPG] = imx_clk_hw_gate2_shared("ssi3_ipg", "ipg", base + 0x7c, 22, &share_count_ssi3);404 hws[IMX6SL_CLK_SSI1] = imx_clk_hw_gate2_shared("ssi1", "ssi1_podf", base + 0x7c, 18, &share_count_ssi1);405 hws[IMX6SL_CLK_SSI2] = imx_clk_hw_gate2_shared("ssi2", "ssi2_podf", base + 0x7c, 20, &share_count_ssi2);406 hws[IMX6SL_CLK_SSI3] = imx_clk_hw_gate2_shared("ssi3", "ssi3_podf", base + 0x7c, 22, &share_count_ssi3);407 hws[IMX6SL_CLK_UART] = imx_clk_hw_gate2("uart", "ipg", base + 0x7c, 24);408 hws[IMX6SL_CLK_UART_SERIAL] = imx_clk_hw_gate2("uart_serial", "uart_root", base + 0x7c, 26);409 hws[IMX6SL_CLK_USBOH3] = imx_clk_hw_gate2("usboh3", "ipg", base + 0x80, 0);410 hws[IMX6SL_CLK_USDHC1] = imx_clk_hw_gate2("usdhc1", "usdhc1_podf", base + 0x80, 2);411 hws[IMX6SL_CLK_USDHC2] = imx_clk_hw_gate2("usdhc2", "usdhc2_podf", base + 0x80, 4);412 hws[IMX6SL_CLK_USDHC3] = imx_clk_hw_gate2("usdhc3", "usdhc3_podf", base + 0x80, 6);413 hws[IMX6SL_CLK_USDHC4] = imx_clk_hw_gate2("usdhc4", "usdhc4_podf", base + 0x80, 8);414 415 /* Ensure the MMDC CH0 handshake is bypassed */416 imx_mmdc_mask_handshake(base, 0);417 418 imx_check_clk_hws(hws, IMX6SL_CLK_END);419 420 of_clk_add_hw_provider(np, of_clk_hw_onecell_get, clk_hw_data);421 422 /* Ensure the AHB clk is at 132MHz. */423 ret = clk_set_rate(hws[IMX6SL_CLK_AHB]->clk, 132000000);424 if (ret)425 pr_warn("%s: failed to set AHB clock rate %d!\n",426 __func__, ret);427 428 if (IS_ENABLED(CONFIG_USB_MXS_PHY)) {429 clk_prepare_enable(hws[IMX6SL_CLK_USBPHY1_GATE]->clk);430 clk_prepare_enable(hws[IMX6SL_CLK_USBPHY2_GATE]->clk);431 }432 433 /* Audio-related clocks configuration */434 clk_set_parent(hws[IMX6SL_CLK_SPDIF0_SEL]->clk, hws[IMX6SL_CLK_PLL3_PFD3]->clk);435 436 /* set PLL5 video as lcdif pix parent clock */437 clk_set_parent(hws[IMX6SL_CLK_LCDIF_PIX_SEL]->clk,438 hws[IMX6SL_CLK_PLL5_VIDEO_DIV]->clk);439 440 clk_set_parent(hws[IMX6SL_CLK_LCDIF_AXI_SEL]->clk,441 hws[IMX6SL_CLK_PLL2_PFD2]->clk);442 443 imx_register_uart_clocks();444}445CLK_OF_DECLARE(imx6sl, "fsl,imx6sl-ccm", imx6sl_clocks_init);446