diff options
Diffstat (limited to 'drivers/clk/ux500/u8500_of_clk.c')
| -rw-r--r-- | drivers/clk/ux500/u8500_of_clk.c | 618 |
1 files changed, 618 insertions, 0 deletions
diff --git a/drivers/clk/ux500/u8500_of_clk.c b/drivers/clk/ux500/u8500_of_clk.c new file mode 100644 index 0000000000..8e2f6c65db --- /dev/null +++ b/drivers/clk/ux500/u8500_of_clk.c @@ -0,0 +1,618 @@ +// 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); |