linux-imx

// SPDX-License-Identifier: GPL-2.0

/*

 * Copyright (C) 2017, Intel Corporation

 */

#include <linux/slab.h>

#include <linux/clk-provider.h>

#include <linux/of_device.h>

#include <linux/of_address.h>

#include <linux/platform_device.h>

​

#include <dt-bindings/clock/stratix10-clock.h>

​

#include "stratix10-clk.h"

​

static const char * const pll_mux[] = { "osc1", "cb-intosc-hs-div2-clk",

                    "f2s-free-clk",};

static const char * const cntr_mux[] = { "main_pll", "periph_pll",

                     "osc1", "cb-intosc-hs-div2-clk",

                     "f2s-free-clk"};

static const char * const boot_mux[] = { "osc1", "cb-intosc-hs-div2-clk",};

​

static const char * const noc_free_mux[] = {"main_noc_base_clk",

                        "peri_noc_base_clk",

                        "osc1", "cb-intosc-hs-div2-clk",

                        "f2s-free-clk"};

​

static const char * const emaca_free_mux[] = {"peri_emaca_clk", "boot_clk"};

static const char * const emacb_free_mux[] = {"peri_emacb_clk", "boot_clk"};

static const char * const emac_ptp_free_mux[] = {"peri_emac_ptp_clk", "boot_clk"};

static const char * const gpio_db_free_mux[] = {"peri_gpio_db_clk", "boot_clk"};

static const char * const sdmmc_free_mux[] = {"main_sdmmc_clk", "boot_clk"};

static const char * const s2f_usr1_free_mux[] = {"peri_s2f_usr1_clk", "boot_clk"};

static const char * const psi_ref_free_mux[] = {"peri_psi_ref_clk", "boot_clk"};

static const char * const mpu_mux[] = { "mpu_free_clk", "boot_clk",};

​

static const char * const s2f_usr0_mux[] = {"f2s-free-clk", "boot_clk"};

static const char * const emac_mux[] = {"emaca_free_clk", "emacb_free_clk"};

static const char * const noc_mux[] = {"noc_free_clk", "boot_clk"};

​

static const char * const mpu_free_mux[] = {"main_mpu_base_clk",

                        "peri_mpu_base_clk",

                        "osc1", "cb-intosc-hs-div2-clk",

                        "f2s-free-clk"};

​

/* clocks in AO (always on) controller */

static const struct stratix10_pll_clock s10_pll_clks[] = {

    { STRATIX10_BOOT_CLK, "boot_clk", boot_mux, ARRAY_SIZE(boot_mux), 0,

      0x0},

    { STRATIX10_MAIN_PLL_CLK, "main_pll", pll_mux, ARRAY_SIZE(pll_mux),

      0, 0x74},

    { STRATIX10_PERIPH_PLL_CLK, "periph_pll", pll_mux, ARRAY_SIZE(pll_mux),

      0, 0xe4},

};

​

static const struct stratix10_perip_c_clock s10_main_perip_c_clks[] = {

    { STRATIX10_MAIN_MPU_BASE_CLK, "main_mpu_base_clk", "main_pll", NULL, 1, 0, 0x84},

    { STRATIX10_MAIN_NOC_BASE_CLK, "main_noc_base_clk", "main_pll", NULL, 1, 0, 0x88},

    { STRATIX10_PERI_MPU_BASE_CLK, "peri_mpu_base_clk", "periph_pll", NULL, 1, 0,

      0xF4},

    { STRATIX10_PERI_NOC_BASE_CLK, "peri_noc_base_clk", "periph_pll", NULL, 1, 0,

      0xF8},

};

​

static const struct stratix10_perip_cnt_clock s10_main_perip_cnt_clks[] = {

    { STRATIX10_MPU_FREE_CLK, "mpu_free_clk", NULL, mpu_free_mux, ARRAY_SIZE(mpu_free_mux),

       0, 0x48, 0, 0, 0},

    { STRATIX10_NOC_FREE_CLK, "noc_free_clk", NULL, noc_free_mux, ARRAY_SIZE(noc_free_mux),

      0, 0x4C, 0, 0, 0},

    { STRATIX10_MAIN_EMACA_CLK, "main_emaca_clk", "main_noc_base_clk", NULL, 1, 0,

      0x50, 0, 0, 0},

    { STRATIX10_MAIN_EMACB_CLK, "main_emacb_clk", "main_noc_base_clk", NULL, 1, 0,

      0x54, 0, 0, 0},

    { STRATIX10_MAIN_EMAC_PTP_CLK, "main_emac_ptp_clk", "main_noc_base_clk", NULL, 1, 0,

      0x58, 0, 0, 0},

    { STRATIX10_MAIN_GPIO_DB_CLK, "main_gpio_db_clk", "main_noc_base_clk", NULL, 1, 0,

      0x5C, 0, 0, 0},

    { STRATIX10_MAIN_SDMMC_CLK, "main_sdmmc_clk", "main_noc_base_clk", NULL, 1, 0,

      0x60, 0, 0, 0},

    { STRATIX10_MAIN_S2F_USR0_CLK, "main_s2f_usr0_clk", NULL, cntr_mux, ARRAY_SIZE(cntr_mux),

      0, 0x64, 0, 0, 0},

    { STRATIX10_MAIN_S2F_USR1_CLK, "main_s2f_usr1_clk", "main_noc_base_clk", NULL, 1, 0,

      0x68, 0, 0, 0},

    { STRATIX10_MAIN_PSI_REF_CLK, "main_psi_ref_clk", "main_noc_base_clk", NULL, 1, 0,

      0x6C, 0, 0, 0},

    { STRATIX10_PERI_EMACA_CLK, "peri_emaca_clk", NULL, cntr_mux, ARRAY_SIZE(cntr_mux),

      0, 0xBC, 0, 0, 0},

    { STRATIX10_PERI_EMACB_CLK, "peri_emacb_clk", NULL, cntr_mux, ARRAY_SIZE(cntr_mux),

      0, 0xC0, 0, 0, 0},

    { STRATIX10_PERI_EMAC_PTP_CLK, "peri_emac_ptp_clk", NULL, cntr_mux, ARRAY_SIZE(cntr_mux),

      0, 0xC4, 0, 0, 0},

    { STRATIX10_PERI_GPIO_DB_CLK, "peri_gpio_db_clk", NULL, cntr_mux, ARRAY_SIZE(cntr_mux),

      0, 0xC8, 0, 0, 0},