forked from Minki/linux
850bea2335
After patch "of/platform: Add common method to populate default bus", it is possible for arch code to remove unnecessary callers of of_platform_populate with default match table. Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Cc: Nicolas Ferre <nicolas.ferre@atmel.com> Cc: Ray Jui <rjui@broadcom.com> Cc: Lee Jones <lee@kernel.org> Cc: Krzysztof Halasa <khalasa@piap.pl> Cc: Kukjin Kim <kgene@kernel.org> Cc: Rob Herring <robh@kernel.org> Cc: Shawn Guo <shawnguo@kernel.org> Cc: Santosh Shilimkar <ssantosh@kernel.org> Cc: Roland Stigge <stigge@antcom.de> Cc: Jason Cooper <jason@lakedaemon.net> Cc: Haojian Zhuang <haojian.zhuang@gmail.com> Cc: Heiko Stuebner <heiko@sntech.de> Cc: Viresh Kumar <vireshk@kernel.org> Cc: Shiraz Hashim <shiraz.linux.kernel@gmail.com> Cc: Tony Prisk <linux@prisktech.co.nz> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Russell King <linux@arm.linux.org.uk> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Signed-off-by: Rob Herring <robh@kernel.org>
97 lines
2.2 KiB
C
97 lines
2.2 KiB
C
/*
|
|
* 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");
|
|
|
|
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
|