Commit ad928a74 authored by Tim Harvey's avatar Tim Harvey Committed by Shawn Guo
Browse files

ARM: dts: imx6qdl-gw53xx: add CAN regulator 



The GW53xx has a transceiver with a STBY pin connected to an IMX6 GPIO.
Configure this as a regulator to drive it low when CAN is in use.

Signed-off-by: default avatarTim Harvey <tharvey@gateworks.com>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent 2069c526

arch/arm/boot/dts/imx6qdl-gw53xx.dtsi

+17 −1
Original line number Diff line number Diff line
@@ -129,6 +129,16 @@ reg_3p3v: regulator-3p3v { 
		regulator-always-on;

	};



	reg_can1_stby: regulator-can1-stby {

		compatible = "regulator-fixed";

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_reg_can1>;

		regulator-name = "can1_stby";

		gpio = <&gpio1 2 GPIO_ACTIVE_LOW>;

		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;

	};



	reg_usb_h1_vbus: regulator-usb-h1-vbus {

		compatible = "regulator-fixed";

		regulator-name = "usb_h1_vbus";
@@ -170,6 +180,7 @@ &audmux { 
&can1 {

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_flexcan1>;

	xceiver-supply = <&reg_can1_stby>;

	status = "okay";

};
@@ -600,7 +611,6 @@ pinctrl_flexcan1: flexcan1grp { 
		fsl,pins = <

			MX6QDL_PAD_KEY_ROW2__FLEXCAN1_RX	0x1b0b1

			MX6QDL_PAD_KEY_COL2__FLEXCAN1_TX	0x1b0b1

			MX6QDL_PAD_GPIO_2__GPIO1_IO02		0x4001b0b0 /* CAN_STBY */

		>;

	};
@@ -691,6 +701,12 @@ MX6QDL_PAD_SD1_CMD__PWM4_OUT 0x1b0b1 
		>;

	};



	pinctrl_reg_can1: regcan1grp {

		fsl,pins = <

			MX6QDL_PAD_GPIO_2__GPIO1_IO02		0x4001b0b0 /* CAN_STBY */

		>;

	};



	pinctrl_uart1: uart1grp {

		fsl,pins = <

			MX6QDL_PAD_SD3_DAT7__UART1_TX_DATA	0x1b0b1