| // SPDX-License-Identifier: GPL-2.0-only |
| /* |
| * Clock definitions for u8500 platform. |
| * |
| * Copyright (C) 2012 ST-Ericsson SA |
| * Author: Ulf Hansson <ulf.hansson@linaro.org> |
| */ |
| |
| #include <linux/of.h> |
| #include <linux/of_address.h> |
| #include <linux/clk-provider.h> |
| #include <linux/mfd/dbx500-prcmu.h> |
| |
| #include "clk.h" |
| #include "prcc.h" |
| #include "reset-prcc.h" |
| |
| static struct clk *prcc_pclk[(PRCC_NUM_PERIPH_CLUSTERS + 1) * PRCC_PERIPHS_PER_CLUSTER]; |
| static struct clk *prcc_kclk[(PRCC_NUM_PERIPH_CLUSTERS + 1) * PRCC_PERIPHS_PER_CLUSTER]; |
| static struct clk_hw *clkout_clk[2]; |
| |
| #define PRCC_SHOW(clk, base, bit) \ |
| clk[(base * PRCC_PERIPHS_PER_CLUSTER) + bit] |
| #define PRCC_PCLK_STORE(clk, base, bit) \ |
| prcc_pclk[(base * PRCC_PERIPHS_PER_CLUSTER) + bit] = clk |
| #define PRCC_KCLK_STORE(clk, base, bit) \ |
| prcc_kclk[(base * PRCC_PERIPHS_PER_CLUSTER) + bit] = clk |
| |
| static struct clk *ux500_twocell_get(struct of_phandle_args *clkspec, |
| void *data) |
| { |
| struct clk **clk_data = data; |
| unsigned int base, bit; |
| |
| if (clkspec->args_count != 2) |
| return ERR_PTR(-EINVAL); |
| |
| base = clkspec->args[0]; |
| bit = clkspec->args[1]; |
| |
| if (base != 1 && base != 2 && base != 3 && base != 5 && base != 6) { |
| pr_err("%s: invalid PRCC base %d\n", __func__, base); |
| return ERR_PTR(-EINVAL); |
| } |
| |
| return PRCC_SHOW(clk_data, base, bit); |
| } |
| |
| static struct clk_hw_onecell_data u8500_prcmu_hw_clks = { |
| .hws = { |
| /* |
| * This assignment makes sure the dynamic array |
| * gets the right size. |
| */ |
| [PRCMU_NUM_CLKS] = NULL, |
| }, |
| .num = PRCMU_NUM_CLKS, |
| }; |
| |
| /* Essentially names for the first PRCMU_CLKSRC_* defines */ |
| static const char * const u8500_clkout_parents[] = { |
| "clk38m_to_clkgen", |
| "aclk", |
| /* Just called "sysclk" in documentation */ |
| "ab8500_sysclk", |
| "lcdclk", |
| "sdmmcclk", |
| "tvclk", |
| "timclk", |
| /* CLK009 is not implemented, add it if you need it */ |
| "clk009", |
| }; |
| |
| static struct clk_hw *ux500_clkout_get(struct of_phandle_args *clkspec, |
| void *data) |
| { |
| u32 id, source, divider; |
| struct clk_hw *clkout; |
| |
| if (clkspec->args_count != 3) |
| return ERR_PTR(-EINVAL); |
| |
| id = clkspec->args[0]; |
| source = clkspec->args[1]; |
| divider = clkspec->args[2]; |
| |
| if (id > 1) { |
| pr_err("%s: invalid clkout ID %d\n", __func__, id); |
| return ERR_PTR(-EINVAL); |
| } |
| |
| if (clkout_clk[id]) { |
| pr_info("%s: clkout%d already registered, not reconfiguring\n", |
| __func__, id + 1); |
| return clkout_clk[id]; |
| } |
| |
| if (source > 7) { |
| pr_err("%s: invalid source ID %d\n", __func__, source); |
| return ERR_PTR(-EINVAL); |
| } |
| |
| if (divider == 0 || divider > 63) { |
| pr_err("%s: invalid divider %d\n", __func__, divider); |
| return ERR_PTR(-EINVAL); |
| } |
| |
| pr_debug("registering clkout%d with source %d and divider %d\n", |
| id + 1, source, divider); |
| |
| clkout = clk_reg_prcmu_clkout(id ? "clkout2" : "clkout1", |
| u8500_clkout_parents, |
| ARRAY_SIZE(u8500_clkout_parents), |
| source, divider); |
| if (IS_ERR(clkout)) { |
| pr_err("failed to register clkout%d\n", id + 1); |
| return ERR_CAST(clkout); |
| } |
| |
| clkout_clk[id] = clkout; |
| |
| return clkout; |
| } |
| |
| static void u8500_clk_init(struct device_node *np) |
| { |
| struct prcmu_fw_version *fw_version; |
| struct device_node *child = NULL; |
| const char *sgaclk_parent = NULL; |
| struct clk *clk, *rtc_clk, *twd_clk; |
| u32 bases[CLKRST_MAX]; |
| struct u8500_prcc_reset *rstc; |
| int i; |
| |
| /* |
| * We allocate the reset controller here so that we can fill in the |
| * base addresses properly and pass to the reset controller init |
| * function later on. |
| */ |
| rstc = kzalloc(sizeof(*rstc), GFP_KERNEL); |
| if (!rstc) |
| return; |
| |
| for (i = 0; i < ARRAY_SIZE(bases); i++) { |
| struct resource r; |
| |
| if (of_address_to_resource(np, i, &r)) |
| /* Not much choice but to continue */ |
| pr_err("failed to get CLKRST %d base address\n", |
| i + 1); |
| bases[i] = r.start; |
| rstc->phy_base[i] = r.start; |
| } |
| |
| /* Clock sources */ |
| u8500_prcmu_hw_clks.hws[PRCMU_PLLSOC0] = |
| clk_reg_prcmu_gate("soc0_pll", NULL, PRCMU_PLLSOC0, |
| CLK_IGNORE_UNUSED); |
| |
| u8500_prcmu_hw_clks.hws[PRCMU_PLLSOC1] = |
| clk_reg_prcmu_gate("soc1_pll", NULL, PRCMU_PLLSOC1, |
| CLK_IGNORE_UNUSED); |
| |
| u8500_prcmu_hw_clks.hws[PRCMU_PLLDDR] = |
| clk_reg_prcmu_gate("ddr_pll", NULL, PRCMU_PLLDDR, |
| CLK_IGNORE_UNUSED); |
| |
| /* |
| * Read-only clocks that only return their current rate, only used |
| * as parents to other clocks and not visible in the device tree. |
| * clk38m_to_clkgen is the same as the SYSCLK, i.e. the root clock. |
| */ |
| clk_reg_prcmu_rate("clk38m_to_clkgen", NULL, PRCMU_SYSCLK, |
| CLK_IGNORE_UNUSED); |
| clk_reg_prcmu_rate("aclk", NULL, PRCMU_ACLK, |
| CLK_IGNORE_UNUSED); |
| |
| /* TODO: add CLK009 if needed */ |
| |
| rtc_clk = clk_register_fixed_rate(NULL, "rtc32k", "NULL", |
| CLK_IGNORE_UNUSED, |
| 32768); |
| |
| /* PRCMU clocks */ |
| fw_version = prcmu_get_fw_version(); |
| if (fw_version != NULL) { |
| switch (fw_version->project) { |
| case PRCMU_FW_PROJECT_U8500_C2: |
| case PRCMU_FW_PROJECT_U8500_SSG1: |
| case PRCMU_FW_PROJECT_U8520: |
| case PRCMU_FW_PROJECT_U8420: |
| case PRCMU_FW_PROJECT_U8420_SYSCLK: |
| case PRCMU_FW_PROJECT_U8500_SSG2: |
| sgaclk_parent = "soc0_pll"; |
| break; |
| default: |
| break; |
| } |
| } |
| |
| if (sgaclk_parent) |
| u8500_prcmu_hw_clks.hws[PRCMU_SGACLK] = |
| clk_reg_prcmu_gate("sgclk", sgaclk_parent, |
| PRCMU_SGACLK, 0); |
| else |
| u8500_prcmu_hw_clks.hws[PRCMU_SGACLK] = |
| clk_reg_prcmu_gate("sgclk", NULL, PRCMU_SGACLK, 0); |
| |
| u8500_prcmu_hw_clks.hws[PRCMU_UARTCLK] = |
| clk_reg_prcmu_gate("uartclk", NULL, PRCMU_UARTCLK, 0); |
| u8500_prcmu_hw_clks.hws[PRCMU_MSP02CLK] = |
| clk_reg_prcmu_gate("msp02clk", NULL, PRCMU_MSP02CLK, 0); |
| u8500_prcmu_hw_clks.hws[PRCMU_MSP1CLK] = |
| clk_reg_prcmu_gate("msp1clk", NULL, PRCMU_MSP1CLK, 0); |
| u8500_prcmu_hw_clks.hws[PRCMU_I2CCLK] = |
| clk_reg_prcmu_gate("i2cclk", NULL, PRCMU_I2CCLK, 0); |
| u8500_prcmu_hw_clks.hws[PRCMU_SLIMCLK] = |
| clk_reg_prcmu_gate("slimclk", NULL, PRCMU_SLIMCLK, 0); |
| u8500_prcmu_hw_clks.hws[PRCMU_PER1CLK] = |
| clk_reg_prcmu_gate("per1clk", NULL, PRCMU_PER1CLK, 0); |
| u8500_prcmu_hw_clks.hws[PRCMU_PER2CLK] = |
| clk_reg_prcmu_gate("per2clk", NULL, PRCMU_PER2CLK, 0); |
| u8500_prcmu_hw_clks.hws[PRCMU_PER3CLK] = |
| clk_reg_prcmu_gate("per3clk", NULL, PRCMU_PER3CLK, 0); |
| u8500_prcmu_hw_clks.hws[PRCMU_PER5CLK] = |
| clk_reg_prcmu_gate("per5clk", NULL, PRCMU_PER5CLK, 0); |
| u8500_prcmu_hw_clks.hws[PRCMU_PER6CLK] = |
| clk_reg_prcmu_gate("per6clk", NULL, PRCMU_PER6CLK, 0); |
| u8500_prcmu_hw_clks.hws[PRCMU_PER7CLK] = |
| clk_reg_prcmu_gate("per7clk", NULL, PRCMU_PER7CLK, 0); |
| u8500_prcmu_hw_clks.hws[PRCMU_LCDCLK] = |
| clk_reg_prcmu_scalable("lcdclk", NULL, PRCMU_LCDCLK, 0, |
| CLK_SET_RATE_GATE); |
| u8500_prcmu_hw_clks.hws[PRCMU_BMLCLK] = |
| clk_reg_prcmu_opp_gate("bmlclk", NULL, PRCMU_BMLCLK, 0); |
| u8500_prcmu_hw_clks.hws[PRCMU_HSITXCLK] = |
| clk_reg_prcmu_scalable("hsitxclk", NULL, PRCMU_HSITXCLK, 0, |
| CLK_SET_RATE_GATE); |
| u8500_prcmu_hw_clks.hws[PRCMU_HSIRXCLK] = |
| clk_reg_prcmu_scalable("hsirxclk", NULL, PRCMU_HSIRXCLK, 0, |
| CLK_SET_RATE_GATE); |
| u8500_prcmu_hw_clks.hws[PRCMU_HDMICLK] = |
| clk_reg_prcmu_scalable("hdmiclk", NULL, PRCMU_HDMICLK, 0, |
| CLK_SET_RATE_GATE); |
| u8500_prcmu_hw_clks.hws[PRCMU_APEATCLK] = |
| clk_reg_prcmu_gate("apeatclk", NULL, PRCMU_APEATCLK, 0); |
| u8500_prcmu_hw_clks.hws[PRCMU_APETRACECLK] = |
| clk_reg_prcmu_scalable("apetraceclk", NULL, PRCMU_APETRACECLK, 0, |
| CLK_SET_RATE_GATE); |
| u8500_prcmu_hw_clks.hws[PRCMU_MCDECLK] = |
| clk_reg_prcmu_gate("mcdeclk", NULL, PRCMU_MCDECLK, 0); |
| u8500_prcmu_hw_clks.hws[PRCMU_IPI2CCLK] = |
| clk_reg_prcmu_opp_gate("ipi2cclk", NULL, PRCMU_IPI2CCLK, 0); |
| u8500_prcmu_hw_clks.hws[PRCMU_DSIALTCLK] = |
| clk_reg_prcmu_gate("dsialtclk", NULL, PRCMU_DSIALTCLK, 0); |
| u8500_prcmu_hw_clks.hws[PRCMU_DMACLK] = |
| clk_reg_prcmu_gate("dmaclk", NULL, PRCMU_DMACLK, 0); |
| u8500_prcmu_hw_clks.hws[PRCMU_B2R2CLK] = |
| clk_reg_prcmu_gate("b2r2clk", NULL, PRCMU_B2R2CLK, 0); |
| u8500_prcmu_hw_clks.hws[PRCMU_TVCLK] = |
| clk_reg_prcmu_scalable("tvclk", NULL, PRCMU_TVCLK, 0, |
| CLK_SET_RATE_GATE); |
| u8500_prcmu_hw_clks.hws[PRCMU_SSPCLK] = |
| clk_reg_prcmu_gate("sspclk", NULL, PRCMU_SSPCLK, 0); |
| u8500_prcmu_hw_clks.hws[PRCMU_RNGCLK] = |
| clk_reg_prcmu_gate("rngclk", NULL, PRCMU_RNGCLK, 0); |
| u8500_prcmu_hw_clks.hws[PRCMU_UICCCLK] = |
| clk_reg_prcmu_gate("uiccclk", NULL, PRCMU_UICCCLK, 0); |
| u8500_prcmu_hw_clks.hws[PRCMU_TIMCLK] = |
| clk_reg_prcmu_gate("timclk", NULL, PRCMU_TIMCLK, 0); |
| u8500_prcmu_hw_clks.hws[PRCMU_SYSCLK] = |
| clk_reg_prcmu_gate("ab8500_sysclk", NULL, PRCMU_SYSCLK, 0); |
| u8500_prcmu_hw_clks.hws[PRCMU_SDMMCCLK] = |
| clk_reg_prcmu_opp_volt_scalable("sdmmcclk", NULL, |
| PRCMU_SDMMCCLK, 100000000, |
| CLK_SET_RATE_GATE); |
| u8500_prcmu_hw_clks.hws[PRCMU_PLLDSI] = |
| clk_reg_prcmu_scalable("dsi_pll", "hdmiclk", |
| PRCMU_PLLDSI, 0, CLK_SET_RATE_GATE); |
| u8500_prcmu_hw_clks.hws[PRCMU_DSI0CLK] = |
| clk_reg_prcmu_scalable("dsi0clk", "dsi_pll", |
| PRCMU_DSI0CLK, 0, CLK_SET_RATE_GATE); |
| u8500_prcmu_hw_clks.hws[PRCMU_DSI1CLK] = |
| clk_reg_prcmu_scalable("dsi1clk", "dsi_pll", |
| PRCMU_DSI1CLK, 0, CLK_SET_RATE_GATE); |
| u8500_prcmu_hw_clks.hws[PRCMU_DSI0ESCCLK] = |
| clk_reg_prcmu_scalable("dsi0escclk", "tvclk", |
| PRCMU_DSI0ESCCLK, 0, CLK_SET_RATE_GATE); |
| u8500_prcmu_hw_clks.hws[PRCMU_DSI1ESCCLK] = |
| clk_reg_prcmu_scalable("dsi1escclk", "tvclk", |
| PRCMU_DSI1ESCCLK, 0, CLK_SET_RATE_GATE); |
| u8500_prcmu_hw_clks.hws[PRCMU_DSI2ESCCLK] = |
| clk_reg_prcmu_scalable("dsi2escclk", "tvclk", |
| PRCMU_DSI2ESCCLK, 0, CLK_SET_RATE_GATE); |
| u8500_prcmu_hw_clks.hws[PRCMU_ARMSS] = |
| clk_reg_prcmu_scalable_rate("armss", NULL, |
| PRCMU_ARMSS, 0, CLK_IGNORE_UNUSED); |
| |
| twd_clk = clk_register_fixed_factor(NULL, "smp_twd", "armss", |
| CLK_IGNORE_UNUSED, 1, 2); |
| |
| /* PRCC P-clocks */ |
| clk = clk_reg_prcc_pclk("p1_pclk0", "per1clk", bases[CLKRST1_INDEX], |
| BIT(0), 0); |
| PRCC_PCLK_STORE(clk, 1, 0); |
| |
| clk = clk_reg_prcc_pclk("p1_pclk1", "per1clk", bases[CLKRST1_INDEX], |
| BIT(1), 0); |
| PRCC_PCLK_STORE(clk, 1, 1); |
| |
| clk = clk_reg_prcc_pclk("p1_pclk2", "per1clk", bases[CLKRST1_INDEX], |
| BIT(2), 0); |
| PRCC_PCLK_STORE(clk, 1, 2); |
| |
| clk = clk_reg_prcc_pclk("p1_pclk3", "per1clk", bases[CLKRST1_INDEX], |
| BIT(3), 0); |
| PRCC_PCLK_STORE(clk, 1, 3); |
| |
| clk = clk_reg_prcc_pclk("p1_pclk4", "per1clk", bases[CLKRST1_INDEX], |
| BIT(4), 0); |
| PRCC_PCLK_STORE(clk, 1, 4); |
| |
| clk = clk_reg_prcc_pclk("p1_pclk5", "per1clk", bases[CLKRST1_INDEX], |
| BIT(5), 0); |
| PRCC_PCLK_STORE(clk, 1, 5); |
| |
| clk = clk_reg_prcc_pclk("p1_pclk6", "per1clk", bases[CLKRST1_INDEX], |
| BIT(6), 0); |
| PRCC_PCLK_STORE(clk, 1, 6); |
| |
| clk = clk_reg_prcc_pclk("p1_pclk7", "per1clk", bases[CLKRST1_INDEX], |
| BIT(7), 0); |
| PRCC_PCLK_STORE(clk, 1, 7); |
| |
| clk = clk_reg_prcc_pclk("p1_pclk8", "per1clk", bases[CLKRST1_INDEX], |
| BIT(8), 0); |
| PRCC_PCLK_STORE(clk, 1, 8); |
| |
| clk = clk_reg_prcc_pclk("p1_pclk9", "per1clk", bases[CLKRST1_INDEX], |
| BIT(9), 0); |
| PRCC_PCLK_STORE(clk, 1, 9); |
| |
| clk = clk_reg_prcc_pclk("p1_pclk10", "per1clk", bases[CLKRST1_INDEX], |
| BIT(10), 0); |
| PRCC_PCLK_STORE(clk, 1, 10); |
| |
| clk = clk_reg_prcc_pclk("p1_pclk11", "per1clk", bases[CLKRST1_INDEX], |
| BIT(11), 0); |
| PRCC_PCLK_STORE(clk, 1, 11); |
| |
| clk = clk_reg_prcc_pclk("p2_pclk0", "per2clk", bases[CLKRST2_INDEX], |
| BIT(0), 0); |
| PRCC_PCLK_STORE(clk, 2, 0); |
| |
| clk = clk_reg_prcc_pclk("p2_pclk1", "per2clk", bases[CLKRST2_INDEX], |
| BIT(1), 0); |
| PRCC_PCLK_STORE(clk, 2, 1); |
| |
| clk = clk_reg_prcc_pclk("p2_pclk2", "per2clk", bases[CLKRST2_INDEX], |
| BIT(2), 0); |
| PRCC_PCLK_STORE(clk, 2, 2); |
| |
| clk = clk_reg_prcc_pclk("p2_pclk3", "per2clk", bases[CLKRST2_INDEX], |
| BIT(3), 0); |
| PRCC_PCLK_STORE(clk, 2, 3); |
| |
| clk = clk_reg_prcc_pclk("p2_pclk4", "per2clk", bases[CLKRST2_INDEX], |
| BIT(4), 0); |
| PRCC_PCLK_STORE(clk, 2, 4); |
| |
| clk = clk_reg_prcc_pclk("p2_pclk5", "per2clk", bases[CLKRST2_INDEX], |
| BIT(5), 0); |
| PRCC_PCLK_STORE(clk, 2, 5); |
| |
| clk = clk_reg_prcc_pclk("p2_pclk6", "per2clk", bases[CLKRST2_INDEX], |
| BIT(6), 0); |
| PRCC_PCLK_STORE(clk, 2, 6); |
| |
| clk = clk_reg_prcc_pclk("p2_pclk7", "per2clk", bases[CLKRST2_INDEX], |
| BIT(7), 0); |
| PRCC_PCLK_STORE(clk, 2, 7); |
| |
| clk = clk_reg_prcc_pclk("p2_pclk8", "per2clk", bases[CLKRST2_INDEX], |
| BIT(8), 0); |
| PRCC_PCLK_STORE(clk, 2, 8); |
| |
| clk = clk_reg_prcc_pclk("p2_pclk9", "per2clk", bases[CLKRST2_INDEX], |
| BIT(9), 0); |
| PRCC_PCLK_STORE(clk, 2, 9); |
| |
| clk = clk_reg_prcc_pclk("p2_pclk10", "per2clk", bases[CLKRST2_INDEX], |
| BIT(10), 0); |
| PRCC_PCLK_STORE(clk, 2, 10); |
| |
| clk = clk_reg_prcc_pclk("p2_pclk11", "per2clk", bases[CLKRST2_INDEX], |
| BIT(11), 0); |
| PRCC_PCLK_STORE(clk, 2, 11); |
| |
| clk = clk_reg_prcc_pclk("p2_pclk12", "per2clk", bases[CLKRST2_INDEX], |
| BIT(12), 0); |
| PRCC_PCLK_STORE(clk, 2, 12); |
| |
| clk = clk_reg_prcc_pclk("p3_pclk0", "per3clk", bases[CLKRST3_INDEX], |
| BIT(0), 0); |
| PRCC_PCLK_STORE(clk, 3, 0); |
| |
| clk = clk_reg_prcc_pclk("p3_pclk1", "per3clk", bases[CLKRST3_INDEX], |
| BIT(1), 0); |
| PRCC_PCLK_STORE(clk, 3, 1); |
| |
| clk = clk_reg_prcc_pclk("p3_pclk2", "per3clk", bases[CLKRST3_INDEX], |
| BIT(2), 0); |
| PRCC_PCLK_STORE(clk, 3, 2); |
| |
| clk = clk_reg_prcc_pclk("p3_pclk3", "per3clk", bases[CLKRST3_INDEX], |
| BIT(3), 0); |
| PRCC_PCLK_STORE(clk, 3, 3); |
| |
| clk = clk_reg_prcc_pclk("p3_pclk4", "per3clk", bases[CLKRST3_INDEX], |
| BIT(4), 0); |
| PRCC_PCLK_STORE(clk, 3, 4); |
| |
| clk = clk_reg_prcc_pclk("p3_pclk5", "per3clk", bases[CLKRST3_INDEX], |
| BIT(5), 0); |
| PRCC_PCLK_STORE(clk, 3, 5); |
| |
| clk = clk_reg_prcc_pclk("p3_pclk6", "per3clk", bases[CLKRST3_INDEX], |
| BIT(6), 0); |
| PRCC_PCLK_STORE(clk, 3, 6); |
| |
| clk = clk_reg_prcc_pclk("p3_pclk7", "per3clk", bases[CLKRST3_INDEX], |
| BIT(7), 0); |
| PRCC_PCLK_STORE(clk, 3, 7); |
| |
| clk = clk_reg_prcc_pclk("p3_pclk8", "per3clk", bases[CLKRST3_INDEX], |
| BIT(8), 0); |
| PRCC_PCLK_STORE(clk, 3, 8); |
| |
| clk = clk_reg_prcc_pclk("p5_pclk0", "per5clk", bases[CLKRST5_INDEX], |
| BIT(0), 0); |
| PRCC_PCLK_STORE(clk, 5, 0); |
| |
| clk = clk_reg_prcc_pclk("p5_pclk1", "per5clk", bases[CLKRST5_INDEX], |
| BIT(1), 0); |
| PRCC_PCLK_STORE(clk, 5, 1); |
| |
| clk = clk_reg_prcc_pclk("p6_pclk0", "per6clk", bases[CLKRST6_INDEX], |
| BIT(0), 0); |
| PRCC_PCLK_STORE(clk, 6, 0); |
| |
| clk = clk_reg_prcc_pclk("p6_pclk1", "per6clk", bases[CLKRST6_INDEX], |
| BIT(1), 0); |
| PRCC_PCLK_STORE(clk, 6, 1); |
| |
| clk = clk_reg_prcc_pclk("p6_pclk2", "per6clk", bases[CLKRST6_INDEX], |
| BIT(2), 0); |
| PRCC_PCLK_STORE(clk, 6, 2); |
| |
| clk = clk_reg_prcc_pclk("p6_pclk3", "per6clk", bases[CLKRST6_INDEX], |
| BIT(3), 0); |
| PRCC_PCLK_STORE(clk, 6, 3); |
| |
| clk = clk_reg_prcc_pclk("p6_pclk4", "per6clk", bases[CLKRST6_INDEX], |
| BIT(4), 0); |
| PRCC_PCLK_STORE(clk, 6, 4); |
| |
| clk = clk_reg_prcc_pclk("p6_pclk5", "per6clk", bases[CLKRST6_INDEX], |
| BIT(5), 0); |
| PRCC_PCLK_STORE(clk, 6, 5); |
| |
| clk = clk_reg_prcc_pclk("p6_pclk6", "per6clk", bases[CLKRST6_INDEX], |
| BIT(6), 0); |
| PRCC_PCLK_STORE(clk, 6, 6); |
| |
| clk = clk_reg_prcc_pclk("p6_pclk7", "per6clk", bases[CLKRST6_INDEX], |
| BIT(7), 0); |
| PRCC_PCLK_STORE(clk, 6, 7); |
| |
| /* PRCC K-clocks |
| * |
| * FIXME: Some drivers requires PERPIH[n| to be automatically enabled |
| * by enabling just the K-clock, even if it is not a valid parent to |
| * the K-clock. Until drivers get fixed we might need some kind of |
| * "parent muxed join". |
| */ |
| |
| /* Periph1 */ |
| clk = clk_reg_prcc_kclk("p1_uart0_kclk", "uartclk", |
| bases[CLKRST1_INDEX], BIT(0), CLK_SET_RATE_GATE); |
| PRCC_KCLK_STORE(clk, 1, 0); |
| |
| clk = clk_reg_prcc_kclk("p1_uart1_kclk", "uartclk", |
| bases[CLKRST1_INDEX], BIT(1), CLK_SET_RATE_GATE); |
| PRCC_KCLK_STORE(clk, 1, 1); |
| |
| clk = clk_reg_prcc_kclk("p1_i2c1_kclk", "i2cclk", |
| bases[CLKRST1_INDEX], BIT(2), CLK_SET_RATE_GATE); |
| PRCC_KCLK_STORE(clk, 1, 2); |
| |
| clk = clk_reg_prcc_kclk("p1_msp0_kclk", "msp02clk", |
| bases[CLKRST1_INDEX], BIT(3), CLK_SET_RATE_GATE); |
| PRCC_KCLK_STORE(clk, 1, 3); |
| |
| clk = clk_reg_prcc_kclk("p1_msp1_kclk", "msp1clk", |
| bases[CLKRST1_INDEX], BIT(4), CLK_SET_RATE_GATE); |
| PRCC_KCLK_STORE(clk, 1, 4); |
| |
| clk = clk_reg_prcc_kclk("p1_sdi0_kclk", "sdmmcclk", |
| bases[CLKRST1_INDEX], BIT(5), CLK_SET_RATE_GATE); |
| PRCC_KCLK_STORE(clk, 1, 5); |
| |
| clk = clk_reg_prcc_kclk("p1_i2c2_kclk", "i2cclk", |
| bases[CLKRST1_INDEX], BIT(6), CLK_SET_RATE_GATE); |
| PRCC_KCLK_STORE(clk, 1, 6); |
| |
| clk = clk_reg_prcc_kclk("p1_slimbus0_kclk", "slimclk", |
| bases[CLKRST1_INDEX], BIT(8), CLK_SET_RATE_GATE); |
| PRCC_KCLK_STORE(clk, 1, 8); |
| |
| clk = clk_reg_prcc_kclk("p1_i2c4_kclk", "i2cclk", |
| bases[CLKRST1_INDEX], BIT(9), CLK_SET_RATE_GATE); |
| PRCC_KCLK_STORE(clk, 1, 9); |
| |
| clk = clk_reg_prcc_kclk("p1_msp3_kclk", "msp1clk", |
| bases[CLKRST1_INDEX], BIT(10), CLK_SET_RATE_GATE); |
| PRCC_KCLK_STORE(clk, 1, 10); |
| |
| /* Periph2 */ |
| clk = clk_reg_prcc_kclk("p2_i2c3_kclk", "i2cclk", |
| bases[CLKRST2_INDEX], BIT(0), CLK_SET_RATE_GATE); |
| PRCC_KCLK_STORE(clk, 2, 0); |
| |
| clk = clk_reg_prcc_kclk("p2_sdi4_kclk", "sdmmcclk", |
| bases[CLKRST2_INDEX], BIT(2), CLK_SET_RATE_GATE); |
| PRCC_KCLK_STORE(clk, 2, 2); |
| |
| clk = clk_reg_prcc_kclk("p2_msp2_kclk", "msp02clk", |
| bases[CLKRST2_INDEX], BIT(3), CLK_SET_RATE_GATE); |
| PRCC_KCLK_STORE(clk, 2, 3); |
| |
| clk = clk_reg_prcc_kclk("p2_sdi1_kclk", "sdmmcclk", |
| bases[CLKRST2_INDEX], BIT(4), CLK_SET_RATE_GATE); |
| PRCC_KCLK_STORE(clk, 2, 4); |
| |
| clk = clk_reg_prcc_kclk("p2_sdi3_kclk", "sdmmcclk", |
| bases[CLKRST2_INDEX], BIT(5), CLK_SET_RATE_GATE); |
| PRCC_KCLK_STORE(clk, 2, 5); |
| |
| /* Note that rate is received from parent. */ |
| clk = clk_reg_prcc_kclk("p2_ssirx_kclk", "hsirxclk", |
| bases[CLKRST2_INDEX], BIT(6), |
| CLK_SET_RATE_GATE|CLK_SET_RATE_PARENT); |
| PRCC_KCLK_STORE(clk, 2, 6); |
| |
| clk = clk_reg_prcc_kclk("p2_ssitx_kclk", "hsitxclk", |
| bases[CLKRST2_INDEX], BIT(7), |
| CLK_SET_RATE_GATE|CLK_SET_RATE_PARENT); |
| PRCC_KCLK_STORE(clk, 2, 7); |
| |
| /* Periph3 */ |
| clk = clk_reg_prcc_kclk("p3_ssp0_kclk", "sspclk", |
| bases[CLKRST3_INDEX], BIT(1), CLK_SET_RATE_GATE); |
| PRCC_KCLK_STORE(clk, 3, 1); |
| |
| clk = clk_reg_prcc_kclk("p3_ssp1_kclk", "sspclk", |
| bases[CLKRST3_INDEX], BIT(2), CLK_SET_RATE_GATE); |
| PRCC_KCLK_STORE(clk, 3, 2); |
| |
| clk = clk_reg_prcc_kclk("p3_i2c0_kclk", "i2cclk", |
| bases[CLKRST3_INDEX], BIT(3), CLK_SET_RATE_GATE); |
| PRCC_KCLK_STORE(clk, 3, 3); |
| |
| clk = clk_reg_prcc_kclk("p3_sdi2_kclk", "sdmmcclk", |
| bases[CLKRST3_INDEX], BIT(4), CLK_SET_RATE_GATE); |
| PRCC_KCLK_STORE(clk, 3, 4); |
| |
| clk = clk_reg_prcc_kclk("p3_ske_kclk", "rtc32k", |
| bases[CLKRST3_INDEX], BIT(5), CLK_SET_RATE_GATE); |
| PRCC_KCLK_STORE(clk, 3, 5); |
| |
| clk = clk_reg_prcc_kclk("p3_uart2_kclk", "uartclk", |
| bases[CLKRST3_INDEX], BIT(6), CLK_SET_RATE_GATE); |
| PRCC_KCLK_STORE(clk, 3, 6); |
| |
| clk = clk_reg_prcc_kclk("p3_sdi5_kclk", "sdmmcclk", |
| bases[CLKRST3_INDEX], BIT(7), CLK_SET_RATE_GATE); |
| PRCC_KCLK_STORE(clk, 3, 7); |
| |
| /* Periph6 */ |
| clk = clk_reg_prcc_kclk("p3_rng_kclk", "rngclk", |
| bases[CLKRST6_INDEX], BIT(0), CLK_SET_RATE_GATE); |
| PRCC_KCLK_STORE(clk, 6, 0); |
| |
| for_each_child_of_node(np, child) { |
| if (of_node_name_eq(child, "prcmu-clock")) |
| of_clk_add_hw_provider(child, of_clk_hw_onecell_get, |
| &u8500_prcmu_hw_clks); |
| |
| if (of_node_name_eq(child, "clkout-clock")) |
| of_clk_add_hw_provider(child, ux500_clkout_get, NULL); |
| |
| if (of_node_name_eq(child, "prcc-periph-clock")) |
| of_clk_add_provider(child, ux500_twocell_get, prcc_pclk); |
| |
| if (of_node_name_eq(child, "prcc-kernel-clock")) |
| of_clk_add_provider(child, ux500_twocell_get, prcc_kclk); |
| |
| if (of_node_name_eq(child, "rtc32k-clock")) |
| of_clk_add_provider(child, of_clk_src_simple_get, rtc_clk); |
| |
| if (of_node_name_eq(child, "smp-twd-clock")) |
| of_clk_add_provider(child, of_clk_src_simple_get, twd_clk); |
| |
| if (of_node_name_eq(child, "prcc-reset-controller")) |
| u8500_prcc_reset_init(child, rstc); |
| } |
| } |
| CLK_OF_DECLARE(u8500_clks, "stericsson,u8500-clks", u8500_clk_init); |
