Commit b7fd68ac authored by Tim Harvey's avatar Tim Harvey Committed by Shawn Guo
Browse files

ARM: dts: imx6qdl-gw54xx: add CAN regulator 



The GW54xx 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 ad928a74

arch/arm/boot/dts/imx6qdl-gw54xx.dtsi

+17 −1
Original line number Diff line number Diff line
@@ -137,6 +137,16 @@ reg_3p3v: regulator@1 { 
			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@2 {

			compatible = "regulator-fixed";

			reg = <2>;
@@ -200,6 +210,7 @@ IMX_AUDMUX_V2_PTCR_SYN 
&can1 {

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_flexcan1>;

	xceiver-supply = <&reg_can1_stby>;

	status = "okay";

};
@@ -687,7 +698,6 @@ 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 */

		>;

	};
@@ -786,6 +796,12 @@ MX6QDL_PAD_SD4_DAT2__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