[PATCH v1] ARM: dts: nitrogen6x: add USB host 1 support

From: Peter Seiderer
Date: Mon Feb 22 2016 - 15:04:34 EST


Regulator stuff and pin configuration copied from imx6qdl-nitrogen6_max.dtsi
and checked against Boundary Devices linux kernel tree ([1]).

[1] https://github.com/boundarydevices/linux-imx6/blob/boundary-imx_3.14.28_1.0.0_ga/arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi

Signed-off-by: Peter Seiderer <ps.report@xxxxxxx>
---
arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi | 25 ++++++++++++++++++++++---
1 file changed, 22 insertions(+), 3 deletions(-)

diff --git a/arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi b/arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi
index c6c590d..81f8c5c 100644
--- a/arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi
@@ -85,9 +85,21 @@
enable-active-high;
};

- reg_can_xcvr: regulator@3 {
+ reg_usb_h1_vbus: regulator@3 {
compatible = "regulator-fixed";
reg = <3>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_usbh1>;
+ regulator-name = "usb_h1_vbus";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpio = <&gpio7 12 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+
+ reg_can_xcvr: regulator@4 {
+ compatible = "regulator-fixed";
+ reg = <4>;
regulator-name = "CAN XCVR";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
@@ -96,9 +108,9 @@
gpio = <&gpio1 2 GPIO_ACTIVE_LOW>;
};

- reg_wlan_vmmc: regulator@4 {
+ reg_wlan_vmmc: regulator@5 {
compatible = "regulator-fixed";
- reg = <4>;
+ reg = <5>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_wlan_vmmc>;
regulator-name = "reg_wlan_vmmc";
@@ -515,6 +527,12 @@
>;
};

+ pinctrl_usbh1: usbh1grp {
+ fsl,pins = <
+ MX6QDL_PAD_GPIO_17__GPIO7_IO12 0x0b0b0
+ >;
+ };
+
pinctrl_usbotg: usbotggrp {
fsl,pins = <
MX6QDL_PAD_GPIO_1__USB_OTG_ID 0x17059
@@ -632,6 +650,7 @@
};

&usbh1 {
+ vbus-supply = <&reg_usb_h1_vbus>;
status = "okay";
};

--
2.1.4