[PATCH 1/2] ARM: Exynos5250: Enabling ehci-s5p driver

[Vivek Gautam]

Hi all,


On Tue, Oct 9, 2012 at 1:57 PM, Jingoo Han <jg1.han at samsung.com> wrote:
> On Friday, October 05, 2012 7:10 PM Vivek Gautam wrote
>>
>> Adding EHCI device tree node for Exynos5250 along with
>> the device base adress and gpio line for vbus.
>>
>> Signed-off-by: Vivek Gautam <gautam.vivek at samsung.com>
>
> It looks good. Also I have tested this patch with Exynos5250.
>
> Acked-by: Jingoo Han <jg1.han at samsung.com>
>
Any thoughts about this please.

>> ---
>>  .../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..56e35c7
>> --- /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:
>> +
>> +     ehci {
>> +             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 a352df4..089576b 100644
>> --- a/arch/arm/boot/dts/exynos5250-smdk5250.dts
>> +++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts
>> @@ -166,4 +166,8 @@
>>       spi_2: spi at 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 dddfd6e..73ea844 100644
>> --- a/arch/arm/boot/dts/exynos5250.dtsi
>> +++ b/arch/arm/boot/dts/exynos5250.dtsi
>> @@ -218,6 +218,12 @@
>>               #size-cells = <0>;
>>       };
>>
>> +     ehci {
>> +             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 8480849..825fe40 100644
>> --- a/arch/arm/mach-exynos/include/mach/map.h
>> +++ b/arch/arm/mach-exynos/include/mach/map.h
>> @@ -195,6 +195,7 @@
>>  #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 fee9dcd..6d950d7b 100644
>> --- a/arch/arm/mach-exynos/mach-exynos5-dt.c
>> +++ b/arch/arm/mach-exynos/mach-exynos5-dt.c
>> @@ -72,6 +72,8 @@ static const struct of_dev_auxdata exynos5250_auxdata_lookup[] __initconst = {
>>                               "exynos-gsc.2", NULL),
>>       OF_DEV_AUXDATA("samsung,exynos5-gsc", EXYNOS5_PA_GSC3,
>>                               "exynos-gsc.3", NULL),
>> +     OF_DEV_AUXDATA("samsung,exynos-ehci", EXYNOS5_PA_EHCI,
>> +                                     "s5p-ehci", NULL),
>>       {},
>>  };
>>
>> --
>> 1.7.6.5
>
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-- 
Thanks & Regards
Vivek