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

On 8 February 2016 at 16:43, Hans de Goede [off-list ref] wrote:

Hi,

On 08-02-16 16:29, codekipper at gmail.com wrote:

quoted

From: Marcus Cooper <redacted>

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

quoted

Signed-off-by: Marcus Cooper <redacted>
---
  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";