[PATCH 3/3] ARM: dts: vf-colibri: add USB regulators
Stefan Agner
stefan at agner.ch
Tue Nov 4 05:07:10 PST 2014
Add structure of USB supply logic. Especially, the USB hosts power
enable regulator is needed to control VBUS supply.
Signed-off-by: Stefan Agner <stefan at agner.ch>
---
arch/arm/boot/dts/vf-colibri-eval-v3.dtsi | 45 ++++++++++++++++++++++++++++++-
arch/arm/boot/dts/vf-colibri.dtsi | 12 +++++++++
2 files changed, 56 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi b/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi
index 80e8fbc..eb4ca50 100644
--- a/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi
+++ b/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi
@@ -11,6 +11,41 @@
chosen {
bootargs = "console=ttyLP0,115200";
};
+
+ regulators {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ sys_5v0_reg: regulator at 1 {
+ compatible = "regulator-fixed";
+ reg = <1>;
+ regulator-name = "5v0";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-always-on;
+ };
+
+ usbc_vbus_reg: regulator at 2 {
+ compatible = "regulator-fixed";
+ reg = <2>;
+ regulator-name = "usbc_vbus";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ vin-supply = <&sys_5v0_reg>;
+ };
+
+ /* USBH_PEN */
+ usbh_vbus_reg: regulator at 3 {
+ compatible = "regulator-fixed";
+ reg = <3>;
+ regulator-name = "usbh_vbus";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ gpio = <&gpio3 19 GPIO_ACTIVE_LOW>;
+ vin-supply = <&sys_5v0_reg>;
+ };
+ };
};
&bl {
@@ -51,4 +86,12 @@
&uart2 {
status = "okay";
-};
\ No newline at end of file
+};
+
+&usbdev0 {
+ vbus-supply = <&usbc_vbus_reg>;
+};
+
+&usbh1 {
+ vbus-supply = <&usbh_vbus_reg>;
+};
diff --git a/arch/arm/boot/dts/vf-colibri.dtsi b/arch/arm/boot/dts/vf-colibri.dtsi
index 2371760..79ccfe2 100644
--- a/arch/arm/boot/dts/vf-colibri.dtsi
+++ b/arch/arm/boot/dts/vf-colibri.dtsi
@@ -163,5 +163,17 @@
VF610_PAD_PTD3__UART2_CTS 0x21a1
>;
};
+
+ pinctrl_usbh1_ext: gpio_usb_vbus {
+ fsl,pins = <
+ VF610_PAD_PTD4__GPIO_83 0x22ed
+ >;
+ };
+
+ pinctrl_usbdev0_ext: gpio_usb_cdet {
+ fsl,pins = <
+ VF610_PAD_PTC29__GPIO_102 0x22ed
+ >;
+ };
};
};
--
2.1.3
More information about the linux-arm-kernel
mailing list