This patch adds EHCI device from device tree for exynos5
and adds platform data.
Signed-off-by: Vivek Gautam <gautam.vivek@xxxxxxxxxxx>
---
.../devicetree/bindings/usb/exynos-usb.txt | 22 ++++++++++++++++++++
arch/arm/boot/dts/exynos5250-smdk5250.dts | 4 +++
arch/arm/boot/dts/exynos5250.dtsi | 6 +++++
arch/arm/mach-exynos/mach-exynos5-dt.c | 8 +++++++
4 files changed, 40 insertions(+), 0 deletions(-)
diff --git a/Documentation/devicetree/bindings/usb/exynos-usb.txt b/Documentation/devicetree/bindings/usb/exynos-usb.txt
index 63b80b9..45dadca 100644
--- a/Documentation/devicetree/bindings/usb/exynos-usb.txt
+++ b/Documentation/devicetree/bindings/usb/exynos-usb.txt
@@ -17,3 +17,25 @@ ohci {
interrupts = <0 71 0>;
};
+EHCI
+Required properties:
+ - compatible: should be "samsung,exynos-ehci" for USB 2.0
+ EHCI controller in host mode.
+ - reg: physical base address of the controller and length
+ of memory mapped.
+ - interrupts: interrupt number to the cpu.
+
+Optional properties:
+ - samsung,vbus-gpio: if present, specifies the GPIO
+ that needs to be pulled up for the bus to be powered.
+
+ehci {
+ compatible = "samsung,exynos-ehci";
+ reg = <0x12110000 0x100>;
+ interrupts = <0 71 0>;
+};
+
+ehci {
+ samsung,vbus-gpio = <&gpx2 6 1 3 3>;
+};
+
diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts
index 8a5e348..bf18286 100644
--- a/arch/arm/boot/dts/exynos5250-smdk5250.dts
+++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts
@@ -109,4 +109,8 @@
spi_2: spi@12d40000 {
status = "disabled";
};
+
+ ehci {
+ samsung,vbus-gpio = <&gpx2 6 1 3 3>;
+ };
};
diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi
index 3c73d15..988f52a 100644
--- a/arch/arm/boot/dts/exynos5250.dtsi
+++ b/arch/arm/boot/dts/exynos5250.dtsi
@@ -64,6 +64,12 @@
interrupts = <0 71 0>;
};
+ ehci {
+ compatible = "samsung,exynos-ehci";
+ reg = <0x12110000 0x100>;
+ interrupts = <0 71 0>;
+ };
+
rtc {
compatible = "samsung,s3c6410-rtc";
reg = <0x101E0000 0x100>;
diff --git a/arch/arm/mach-exynos/mach-exynos5-dt.c b/arch/arm/mach-exynos/mach-exynos5-dt.c
index 39a4b34..0cc626e 100644
--- a/arch/arm/mach-exynos/mach-exynos5-dt.c
+++ b/arch/arm/mach-exynos/mach-exynos5-dt.c
@@ -20,6 +20,7 @@
#include <plat/cpu.h>
#include <plat/regs-serial.h>
#include <plat/usb-phy.h>
+#include <plat/ehci.h>
#include "common.h"
@@ -28,6 +29,11 @@ static struct exynos4_ohci_platdata smdk5250_ohci_pdata = {
.phy_exit = s5p_usb_phy_exit,
};
+static struct s5p_ehci_platdata smdk5250_ehci_pdata = {
+ .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
@@ -65,6 +71,8 @@ static const struct of_dev_auxdata exynos5250_auxdata_lookup[] __initconst = {
OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_MDMA1, "dma-pl330.2", NULL),
OF_DEV_AUXDATA("samsung,exynos-ohci", 0x12120000,
"exynos-ohci", &smdk5250_ohci_pdata),
+ OF_DEV_AUXDATA("samsung,exynos-ehci", 0x12110000,
+ "s5p-ehci", &smdk5250_ehci_pdata),
{},
};
--
1.7.0.4
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