[linux-sunxi][PATCH] ARM: dts: sun7i: Enable USB DRC on Olimex A20 EVB

Code Kipper codekipper at gmail.com
Mon Feb 8 08:10:19 PST 2016


On 8 February 2016 at 16:43, Hans de Goede <hdegoede at redhat.com> wrote:
> Hi,
>
> On 08-02-16 16:29, codekipper at gmail.com wrote:
>>
>> From: Marcus Cooper <codekipper at gmail.com>
>>
>> Enable the otg/drc usb controller on the Olimex A20 EVB.
>
>
> Does the A20 EVB not have some form of Vbus detect for the OTG
> port hooked up ? That does not sound right. Please double check.
Yeah...looks like it does...PH5. I'll add that and test.
CK
>
> Regards,
>
> Hans
>
>
>
>>
>> Signed-off-by: Marcus Cooper <codekipper at gmail.com>
>> ---
>>   arch/arm/boot/dts/sun7i-a20-olimex-som-evb.dts | 24
>> ++++++++++++++++++++++++
>>   1 file changed, 24 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/sun7i-a20-olimex-som-evb.dts
>> b/arch/arm/boot/dts/sun7i-a20-olimex-som-evb.dts
>> index c3c626b..93bbf26 100644
>> --- a/arch/arm/boot/dts/sun7i-a20-olimex-som-evb.dts
>> +++ b/arch/arm/boot/dts/sun7i-a20-olimex-som-evb.dts
>> @@ -198,6 +198,10 @@
>>         status = "okay";
>>   };
>>
>> +&otg_sram {
>> +       status = "okay";
>> +};
>> +
>>   &pio {
>>         ahci_pwr_pin_olimex_som_evb: ahci_pwr_pin at 1 {
>>                 allwinner,pins = "PC3";
>> @@ -219,6 +223,13 @@
>>                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
>>                 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
>>         };
>> +
>> +       usb0_id_detect_pin: usb0_id_detect_pin at 0 {
>> +               allwinner,pins = "PH4";
>> +               allwinner,function = "gpio_in";
>> +               allwinner,drive = <SUN4I_PINCTRL_10_MA>;
>> +               allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
>> +       };
>>   };
>>
>>   &reg_ahci_5v {
>> @@ -254,6 +265,10 @@
>>         regulator-name = "avcc";
>>   };
>>
>> +&reg_usb0_vbus {
>> +       status = "okay";
>> +};
>> +
>>   &reg_usb1_vbus {
>>         status = "okay";
>>   };
>> @@ -268,7 +283,16 @@
>>         status = "okay";
>>   };
>>
>> +&usb_otg {
>> +       dr_mode = "otg";
>> +       status = "okay";
>> +};
>> +
>>   &usbphy {
>> +       pinctrl-names = "default";
>> +       pinctrl-0 = <&usb0_id_detect_pin>;
>> +       usb0_id_det-gpios = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH04 */
>> +       usb0_vbus-supply = <&reg_usb0_vbus>;
>>         usb1_vbus-supply = <&reg_usb1_vbus>;
>>         usb2_vbus-supply = <&reg_usb2_vbus>;
>>         status = "okay";
>>
>



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