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 <yoshihiro.shimoda.uh@xxxxxxxxxxx>
---
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 fb1f382..6adb65f 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";
@@ -118,6 +119,15 @@
};
};
};
+
+ 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;
+ };
};
&du {
@@ -173,8 +183,22 @@
"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";
@@ -321,3 +345,22 @@
&xhci0 {
status = "okay";
};
+
+&usb2_phy0 {
+ status = "okay";
+ vbus-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
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