2 * Copyright (C) 2015 Freescale Semiconductor, Inc.
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
8 #include <linux/irqchip.h>
9 #include <linux/mfd/syscon.h>
10 #include <linux/mfd/syscon/imx6q-iomuxc-gpr.h>
11 #include <linux/micrel_phy.h>
12 #include <linux/of_platform.h>
13 #include <linux/phy.h>
14 #include <linux/regmap.h>
15 #include <asm/mach/arch.h>
16 #include <asm/mach/map.h>
21 static void __init imx6ul_enet_clk_init(void)
25 gpr = syscon_regmap_lookup_by_compatible("fsl,imx6ul-iomuxc-gpr");
27 regmap_update_bits(gpr, IOMUXC_GPR1, IMX6UL_GPR1_ENET_CLK_DIR,
28 IMX6UL_GPR1_ENET_CLK_OUTPUT);
30 pr_err("failed to find fsl,imx6ul-iomux-gpr regmap\n");
34 static int ksz8081_phy_fixup(struct phy_device *dev)
36 if (dev && dev->interface == PHY_INTERFACE_MODE_MII) {
37 phy_write(dev, 0x1f, 0x8110);
38 phy_write(dev, 0x16, 0x201);
39 } else if (dev && dev->interface == PHY_INTERFACE_MODE_RMII) {
40 phy_write(dev, 0x1f, 0x8190);
41 phy_write(dev, 0x16, 0x202);
47 static void __init imx6ul_enet_phy_init(void)
49 if (IS_BUILTIN(CONFIG_PHYLIB))
50 phy_register_fixup_for_uid(PHY_ID_KSZ8081, MICREL_PHY_ID_MASK,
54 static inline void imx6ul_enet_init(void)
56 imx6ul_enet_clk_init();
57 imx6ul_enet_phy_init();
60 static void __init imx6ul_init_machine(void)
62 struct device *parent;
64 parent = imx_soc_device_init();
66 pr_warn("failed to initialize soc device\n");
68 of_platform_default_populate(NULL, NULL, parent);
74 static void __init imx6ul_init_irq(void)
76 imx_init_revision_from_anatop();
79 imx6_pm_ccm_init("fsl,imx6ul-ccm");
82 static void __init imx6ul_init_late(void)
84 imx6sx_cpuidle_init();
86 if (IS_ENABLED(CONFIG_ARM_IMX6Q_CPUFREQ))
87 platform_device_register_simple("imx6q-cpufreq", -1, NULL, 0);
90 static const char * const imx6ul_dt_compat[] __initconst = {
96 DT_MACHINE_START(IMX6UL, "Freescale i.MX6 Ultralite (Device Tree)")
97 .init_irq = imx6ul_init_irq,
98 .init_machine = imx6ul_init_machine,
99 .init_late = imx6ul_init_late,
100 .dt_compat = imx6ul_dt_compat,