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Subject[PATCH 1/2] ARM: dts: Add EHCI device tree node for Exynos4
Date
This patch adds EHCI device node on device tree for Exynos4 and defines its
default platform data, s5p_usb_phy_init and s5p_usb_phy_exit, so that those
function can be called from the driver.

Signed-off-by: Dongjin Kim <tobetter@gmail.com>
---
arch/arm/boot/dts/exynos4.dtsi | 7 +++++++
arch/arm/mach-exynos/mach-exynos4-dt.c | 9 +++++++++
2 files changed, 16 insertions(+)

diff --git a/arch/arm/boot/dts/exynos4.dtsi b/arch/arm/boot/dts/exynos4.dtsi
index 92bca86..df1a9f0 100644
--- a/arch/arm/boot/dts/exynos4.dtsi
+++ b/arch/arm/boot/dts/exynos4.dtsi
@@ -140,6 +140,13 @@
status = "disabled";
};

+ ehci@12580000 {
+ compatible = "samsung,exynos-ehci";
+ reg = <0x12580000 0x100>;
+ interrupts = <0 70 0>;
+ status = "disabled";
+ };
+
serial@13800000 {
compatible = "samsung,exynos4210-uart";
reg = <0x13800000 0x100>;
diff --git a/arch/arm/mach-exynos/mach-exynos4-dt.c b/arch/arm/mach-exynos/mach-exynos4-dt.c
index 92757ff..c8a23f0 100644
--- a/arch/arm/mach-exynos/mach-exynos4-dt.c
+++ b/arch/arm/mach-exynos/mach-exynos4-dt.c
@@ -13,6 +13,7 @@

#include <linux/of_platform.h>
#include <linux/serial_core.h>
+#include <linux/platform_data/usb-ehci-s5p.h>

#include <asm/mach/arch.h>
#include <asm/hardware/gic.h>
@@ -20,9 +21,15 @@

#include <plat/cpu.h>
#include <plat/regs-serial.h>
+#include <plat/usb-phy.h>

#include "common.h"

+static struct s5p_ehci_platdata s5p_ehci_platdata = {
+ .phy_init = s5p_usb_phy_init,
+ .phy_exit = s5p_usb_phy_exit,
+};
+
/*
* The following lookup table is used to override device names when devices
* are registered from device tree. This is temporarily added to enable
@@ -80,6 +87,8 @@ static const struct of_dev_auxdata exynos4_auxdata_lookup[] __initconst = {
OF_DEV_AUXDATA("arm,pl330", EXYNOS4_PA_MDMA1, "dma-pl330.2", NULL),
OF_DEV_AUXDATA("samsung,exynos4210-tmu", EXYNOS4_PA_TMU,
"exynos-tmu", NULL),
+ OF_DEV_AUXDATA("samsung,exynos-ehci", EXYNOS4_PA_EHCI,
+ "s5p-ehci", &s5p_ehci_platdata),
{},
};

--
1.7.10.4


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