This patch also adds a regulator node for USB2.0 to handle VBUS on/off by the generic PHY framework. This board has a MAX3355 chip. However, we cannot use the extcon/max3355 driver because the ID pin doesn't connect to a gpio pin (in other words, it connects to the SoC specific pin).
Signed-off-by: Yoshihiro Shimoda <[email protected]> --- arch/arm64/boot/dts/renesas/r8a7795-salvator-x.dts | 45 +++++++++++++++++++++- 1 file changed, 44 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/renesas/r8a7795-salvator-x.dts b/arch/arm64/boot/dts/renesas/r8a7795-salvator-x.dts index 9af1e3f..3ff6e79 100644 --- a/arch/arm64/boot/dts/renesas/r8a7795-salvator-x.dts +++ b/arch/arm64/boot/dts/renesas/r8a7795-salvator-x.dts @@ -33,6 +33,7 @@ /dts-v1/; #include "r8a7795.dtsi" +#include <dt-bindings/gpio/gpio.h> / { model = "Renesas Salvator-X board based on r8a7795"; @@ -86,6 +87,15 @@ sound-dai = <&ak4613>; }; }; + + vcc_usb2_phy0: regulator@0 { + compatible = "regulator-fixed"; + regulator-name = "USB20_VBUS0"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + gpio = <&gpio6 16 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; }; &extal_clk { @@ -122,8 +132,22 @@ "audio_clkout_a", "audio_clkout3_a"; renesas,function = "audio_clk"; }; -}; + usb0_pins: usb0 { + renesas,groups = "usb0"; + renesas,function = "usb"; + }; + + usb1_pins: usb1 { + renesas,groups = "usb1"; + renesas,function = "usb"; + }; + + usb2_pins: usb2 { + renesas,groups = "usb2"; + renesas,function = "usb"; + }; +}; &scif1 { pinctrl-0 = <&scif1_pins>; pinctrl-names = "default"; @@ -253,3 +277,22 @@ &xhci0 { status = "okay"; }; + +&usb2_phy0 { + status = "okay"; + phy-supply = <&vcc_usb2_phy0>; + pinctrl-0 = <&usb0_pins>; + pinctrl-names = "default"; +}; + +&usb2_phy1 { + status = "okay"; + pinctrl-0 = <&usb1_pins>; + pinctrl-names = "default"; +}; + +&usb2_phy2 { + status = "okay"; + pinctrl-0 = <&usb2_pins>; + pinctrl-names = "default"; +}; -- 1.9.1
