LXR linux/arch/arm/mach-imx/mach-imx6sx.c

   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * Copyright 2014 Freescale Semiconductor, Inc.
   4 */
   5
   6#include <linux/irqchip.h>
   7#include <linux/of_platform.h>
   8#include <linux/phy.h>
   9#include <linux/regmap.h>
  10#include <linux/mfd/syscon.h>
  11#include <linux/mfd/syscon/imx6q-iomuxc-gpr.h>
  12#include <asm/mach/arch.h>
  13#include <asm/mach/map.h>
  14
  15#include "common.h"
  16#include "cpuidle.h"
  17
  18static void __init imx6sx_enet_clk_sel(void)
  19{
  20        struct regmap *gpr;
  21
  22        gpr = syscon_regmap_lookup_by_compatible("fsl,imx6sx-iomuxc-gpr");
  23        if (!IS_ERR(gpr)) {
  24                regmap_update_bits(gpr, IOMUXC_GPR1,
  25                                   IMX6SX_GPR1_FEC_CLOCK_MUX_SEL_MASK, 0);
  26                regmap_update_bits(gpr, IOMUXC_GPR1,
  27                                   IMX6SX_GPR1_FEC_CLOCK_PAD_DIR_MASK, 0);
  28        } else {
  29                pr_err("failed to find fsl,imx6sx-iomux-gpr regmap\n");
  30        }
  31}
  32
  33static inline void imx6sx_enet_init(void)
  34{
  35        imx6sx_enet_clk_sel();
  36}
  37
  38static void __init imx6sx_init_machine(void)
  39{
  40        of_platform_default_populate(NULL, NULL, NULL);
  41
  42        imx6sx_enet_init();
  43        imx_anatop_init();
  44        imx6sx_pm_init();
  45}
  46
  47static void __init imx6sx_init_irq(void)
  48{
  49        imx_gpc_check_dt();
  50        imx_init_revision_from_anatop();
  51        imx_init_l2cache();
  52        imx_src_init();
  53        irqchip_init();
  54        imx6_pm_ccm_init("fsl,imx6sx-ccm");
  55}
  56
  57static void __init imx6sx_init_late(void)
  58{
  59        imx6sx_cpuidle_init();
  60
  61        if (IS_ENABLED(CONFIG_ARM_IMX6Q_CPUFREQ))
  62                platform_device_register_simple("imx6q-cpufreq", -1, NULL, 0);
  63}
  64
  65static const char * const imx6sx_dt_compat[] __initconst = {
  66        "fsl,imx6sx",
  67        NULL,
  68};
  69
  70DT_MACHINE_START(IMX6SX, "Freescale i.MX6 SoloX (Device Tree)")
  71        .l2c_aux_val    = 0,
  72        .l2c_aux_mask   = ~0,
  73        .init_irq       = imx6sx_init_irq,
  74        .init_machine   = imx6sx_init_machine,
  75        .dt_compat      = imx6sx_dt_compat,
  76        .init_late      = imx6sx_init_late,
  77MACHINE_END
  78