| Message ID | 1352362764-14595-1-git-send-email-gautam.vivek@samsung.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Hi Kukjin, On Thu, Nov 8, 2012 at 1:49 PM, Vivek Gautam <gautam.vivek@samsung.com> wrote: > Adding EHCI device tree node for Exynos5250 along with > the device base adress and gpio line for vbus. > Any thoughts about this please ? > Signed-off-by: Vivek Gautam <gautam.vivek@samsung.com> > Acked-by: Jingoo Han <jg1.han@samsung.com> > --- > .../devicetree/bindings/usb/exynos-usb.txt | 25 ++++++++++++++++++++ > arch/arm/boot/dts/exynos5250-smdk5250.dts | 4 +++ > arch/arm/boot/dts/exynos5250.dtsi | 6 ++++ > arch/arm/mach-exynos/include/mach/map.h | 1 + > arch/arm/mach-exynos/mach-exynos5-dt.c | 2 + > 5 files changed, 38 insertions(+), 0 deletions(-) > create mode 100644 Documentation/devicetree/bindings/usb/exynos-usb.txt > > diff --git a/Documentation/devicetree/bindings/usb/exynos-usb.txt b/Documentation/devicetree/bindings/usb/exynos-usb.txt > new file mode 100644 > index 0000000..833f5cf > --- /dev/null > +++ b/Documentation/devicetree/bindings/usb/exynos-usb.txt > @@ -0,0 +1,25 @@ > +Samsung Exynos SoC USB controller > + > +The USB devices interface with USB controllers on Exynos SOCs. > +The device node has following properties. > + > +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 > + region. > + - 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. > + > +Example: > + > + usb@12110000 { > + compatible = "samsung,exynos-ehci"; > + reg = <0x12110000 0x100>; > + interrupts = <0 71 0>; > + 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 405009c..7c8064f 100644 > --- a/arch/arm/boot/dts/exynos5250-smdk5250.dts > +++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts > @@ -193,4 +193,8 @@ > hdmi { > hpd-gpio = <&gpx3 7 0xf 1 3>; > }; > + > + usb@12110000 { > + 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 cf6a02d..2995445 100644 > --- a/arch/arm/boot/dts/exynos5250.dtsi > +++ b/arch/arm/boot/dts/exynos5250.dtsi > @@ -238,6 +238,12 @@ > #size-cells = <0>; > }; > > + usb@12110000 { > + compatible = "samsung,exynos-ehci"; > + reg = <0x12110000 0x100>; > + interrupts = <0 71 0>; > + }; > + > amba { > #address-cells = <1>; > #size-cells = <1>; > diff --git a/arch/arm/mach-exynos/include/mach/map.h b/arch/arm/mach-exynos/include/mach/map.h > index ef4958b..9a86b99 100644 > --- a/arch/arm/mach-exynos/include/mach/map.h > +++ b/arch/arm/mach-exynos/include/mach/map.h > @@ -197,6 +197,7 @@ > #define EXYNOS4_PA_EHCI 0x12580000 > #define EXYNOS4_PA_OHCI 0x12590000 > #define EXYNOS4_PA_HSPHY 0x125B0000 > +#define EXYNOS5_PA_EHCI 0x12110000 > #define EXYNOS4_PA_MFC 0x13400000 > > #define EXYNOS4_PA_UART 0x13800000 > diff --git a/arch/arm/mach-exynos/mach-exynos5-dt.c b/arch/arm/mach-exynos/mach-exynos5-dt.c > index ed37273..89fa624 100644 > --- a/arch/arm/mach-exynos/mach-exynos5-dt.c > +++ b/arch/arm/mach-exynos/mach-exynos5-dt.c > @@ -86,6 +86,8 @@ static const struct of_dev_auxdata exynos5250_auxdata_lookup[] __initconst = { > "exynos5-hdmi", NULL), > OF_DEV_AUXDATA("samsung,exynos5-mixer", 0x14450000, > "exynos5-mixer", NULL), > + OF_DEV_AUXDATA("samsung,exynos-ehci", EXYNOS5_PA_EHCI, > + "s5p-ehci", NULL), > {}, > }; > > -- > 1.7.6.5 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-usb" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/Documentation/devicetree/bindings/usb/exynos-usb.txt b/Documentation/devicetree/bindings/usb/exynos-usb.txt new file mode 100644 index 0000000..833f5cf --- /dev/null +++ b/Documentation/devicetree/bindings/usb/exynos-usb.txt @@ -0,0 +1,25 @@ +Samsung Exynos SoC USB controller + +The USB devices interface with USB controllers on Exynos SOCs. +The device node has following properties. + +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 + region. + - 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. + +Example: + + usb@12110000 { + compatible = "samsung,exynos-ehci"; + reg = <0x12110000 0x100>; + interrupts = <0 71 0>; + 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 405009c..7c8064f 100644 --- a/arch/arm/boot/dts/exynos5250-smdk5250.dts +++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts @@ -193,4 +193,8 @@ hdmi { hpd-gpio = <&gpx3 7 0xf 1 3>; }; + + usb@12110000 { + 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 cf6a02d..2995445 100644 --- a/arch/arm/boot/dts/exynos5250.dtsi +++ b/arch/arm/boot/dts/exynos5250.dtsi @@ -238,6 +238,12 @@ #size-cells = <0>; }; + usb@12110000 { + compatible = "samsung,exynos-ehci"; + reg = <0x12110000 0x100>; + interrupts = <0 71 0>; + }; + amba { #address-cells = <1>; #size-cells = <1>; diff --git a/arch/arm/mach-exynos/include/mach/map.h b/arch/arm/mach-exynos/include/mach/map.h index ef4958b..9a86b99 100644 --- a/arch/arm/mach-exynos/include/mach/map.h +++ b/arch/arm/mach-exynos/include/mach/map.h @@ -197,6 +197,7 @@ #define EXYNOS4_PA_EHCI 0x12580000 #define EXYNOS4_PA_OHCI 0x12590000 #define EXYNOS4_PA_HSPHY 0x125B0000 +#define EXYNOS5_PA_EHCI 0x12110000 #define EXYNOS4_PA_MFC 0x13400000 #define EXYNOS4_PA_UART 0x13800000 diff --git a/arch/arm/mach-exynos/mach-exynos5-dt.c b/arch/arm/mach-exynos/mach-exynos5-dt.c index ed37273..89fa624 100644 --- a/arch/arm/mach-exynos/mach-exynos5-dt.c +++ b/arch/arm/mach-exynos/mach-exynos5-dt.c @@ -86,6 +86,8 @@ static const struct of_dev_auxdata exynos5250_auxdata_lookup[] __initconst = { "exynos5-hdmi", NULL), OF_DEV_AUXDATA("samsung,exynos5-mixer", 0x14450000, "exynos5-mixer", NULL), + OF_DEV_AUXDATA("samsung,exynos-ehci", EXYNOS5_PA_EHCI, + "s5p-ehci", NULL), {}, };