LXR linux/arch/arm/mach-imx/mach-imx6ul.c

   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * Copyright (C) 2015 Freescale Semiconductor, Inc.
   4 */
   5#include <linux/irqchip.h>
   6#include <linux/mfd/syscon.h>
   7#include <linux/mfd/syscon/imx6q-iomuxc-gpr.h>
   8#include <linux/micrel_phy.h>
   9#include <linux/of_platform.h>
  10#include <linux/phy.h>
  11#include <linux/regmap.h>
  12#include <asm/mach/arch.h>
  13#include <asm/mach/map.h>
  14
  15#include "common.h"
  16#include "cpuidle.h"
  17#include "hardware.h"
  18
  19static void __init imx6ul_enet_clk_init(void)
  20{
  21        struct regmap *gpr;
  22
  23        gpr = syscon_regmap_lookup_by_compatible("fsl,imx6ul-iomuxc-gpr");
  24        if (!IS_ERR(gpr))
  25                regmap_update_bits(gpr, IOMUXC_GPR1, IMX6UL_GPR1_ENET_CLK_DIR,
  26                                   IMX6UL_GPR1_ENET_CLK_OUTPUT);
  27        else
  28                pr_err("failed to find fsl,imx6ul-iomux-gpr regmap\n");
  29}
  30
  31static inline void imx6ul_enet_init(void)
  32{
  33        imx6ul_enet_clk_init();
  34}
  35
  36static void __init imx6ul_init_machine(void)
  37{
  38        imx_print_silicon_rev(cpu_is_imx6ull() ? "i.MX6ULL" : "i.MX6UL",
  39                imx_get_soc_revision());
  40
  41        of_platform_default_populate(NULL, NULL, NULL);
  42        imx6ul_enet_init();
  43        imx_anatop_init();
  44        imx6ul_pm_init();
  45}
  46
  47static void __init imx6ul_init_irq(void)
  48{
  49        imx_init_revision_from_anatop();
  50        imx_src_init();
  51        irqchip_init();
  52        imx6_pm_ccm_init("fsl,imx6ul-ccm");
  53}
  54
  55static void __init imx6ul_init_late(void)
  56{
  57        imx6sx_cpuidle_init();
  58
  59        if (IS_ENABLED(CONFIG_ARM_IMX6Q_CPUFREQ))
  60                platform_device_register_simple("imx6q-cpufreq", -1, NULL, 0);
  61}
  62
  63static const char * const imx6ul_dt_compat[] __initconst = {
  64        "fsl,imx6ul",
  65        "fsl,imx6ull",
  66        NULL,
  67};
  68
  69DT_MACHINE_START(IMX6UL, "Freescale i.MX6 Ultralite (Device Tree)")
  70        .init_irq       = imx6ul_init_irq,
  71        .init_machine   = imx6ul_init_machine,
  72        .init_late      = imx6ul_init_late,
  73        .dt_compat      = imx6ul_dt_compat,
  74MACHINE_END
  75