/* * Copyright (C) 2015 Freescale Semiconductor, Inc. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #include <linux/irqchip.h> #include <linux/mfd/syscon.h> #include <linux/mfd/syscon/imx6q-iomuxc-gpr.h> #include <linux/micrel_phy.h> #include <linux/of_platform.h> #include <linux/phy.h> #include <linux/regmap.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include "common.h" static void __init imx6ul_enet_clk_init(void) { struct regmap *gpr; gpr = syscon_regmap_lookup_by_compatible("fsl,imx6ul-iomuxc-gpr"); if (!IS_ERR(gpr)) regmap_update_bits(gpr, IOMUXC_GPR1, IMX6UL_GPR1_ENET_CLK_DIR, IMX6UL_GPR1_ENET_CLK_OUTPUT); else pr_err("failed to find fsl,imx6ul-iomux-gpr regmap\n"); } static int ksz8081_phy_fixup(struct phy_device *dev) { if (dev && dev->interface == PHY_INTERFACE_MODE_MII) { phy_write(dev, 0x1f, 0x8110); phy_write(dev, 0x16, 0x201); } else if (dev && dev->interface == PHY_INTERFACE_MODE_RMII) { phy_write(dev, 0x1f, 0x8190); phy_write(dev, 0x16, 0x202); } return 0; } static void __init imx6ul_enet_phy_init(void) { if (IS_BUILTIN(CONFIG_PHYLIB)) phy_register_fixup_for_uid(PHY_ID_KSZ8081, 0xffffffff, ksz8081_phy_fixup); } static inline void imx6ul_enet_init(void) { imx6ul_enet_clk_init(); imx6ul_enet_phy_init(); } static void __init imx6ul_init_machine(void) { struct device *parent; parent = imx_soc_device_init(); if (parent == NULL) pr_warn("failed to initialize soc device\n"); of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); imx6ul_enet_init(); imx_anatop_init(); imx6ul_pm_init(); } static void __init imx6ul_init_irq(void) { imx_init_revision_from_anatop(); imx_src_init(); irqchip_init(); imx6_pm_ccm_init("fsl,imx6ul-ccm"); } static void __init imx6ul_init_late(void) { if (IS_ENABLED(CONFIG_ARM_IMX6Q_CPUFREQ)) platform_device_register_simple("imx6q-cpufreq", -1, NULL, 0); } static const char * const imx6ul_dt_compat[] __initconst = { "fsl,imx6ul", NULL, }; DT_MACHINE_START(IMX6UL, "Freescale i.MX6 Ultralite (Device Tree)") .init_irq = imx6ul_init_irq, .init_machine = imx6ul_init_machine, .init_late = imx6ul_init_late, .dt_compat = imx6ul_dt_compat, MACHINE_END