Commit 88dddae6 authored by Aisheng Dong's avatar Aisheng Dong Committed by Shawn Guo
Browse files

ARM: dts: imx6sx-sdb: add flexcan support 



CAN transceiver is different on RevA and RevB board.
It's active high on RevA while active low on Rev B.

Signed-off-by: default avatarAisheng Dong <aisheng.dong@nxp.com>
Signed-off-by: default avatarJoakim Zhang <qiangqing.zhang@nxp.com>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent f820ca29

arch/arm/boot/dts/imx6sx-sdb-reva.dts

+12 −0
Original line number Diff line number Diff line
@@ -138,3 +138,15 @@ 
		spi-max-frequency = <66000000>;

	};

};



&reg_can_en {

	/* Transceiver EN/STBY is active high on RevA board */

	gpio = <&gpio4 25 GPIO_ACTIVE_HIGH>;

	enable-active-high;

};



&reg_can_stby {

	gpio = <&gpio4 27 GPIO_ACTIVE_HIGH>;

	enable-active-high;

	vin-supply = <&reg_can_en>;

};

arch/arm/boot/dts/imx6sx-sdb.dts

+5 −0
Original line number Diff line number Diff line
@@ -132,3 +132,8 @@ 
&reg_soc {

	vin-supply = <&sw1a_reg>;

};



&reg_can_stby {

	/* Transceiver EN/STBY is active low on RevB board */

	gpio = <&gpio4 27 GPIO_ACTIVE_LOW>;

};

arch/arm/boot/dts/imx6sx-sdb.dtsi

+42 −0
Original line number Diff line number Diff line
@@ -135,6 +135,20 @@ 
		regulator-max-microvolt = <5000000>;

	};



	reg_can_en: regulator-can-en {

		compatible = "regulator-fixed";

		regulator-name = "can-en";

		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;

	};



	reg_can_stby: regulator-can-stby {

		compatible = "regulator-fixed";

		regulator-name = "can-stby";

		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;

	};



	sound {

		compatible = "fsl,imx6sx-sdb-wm8962", "fsl,imx-audio-wm8962";

		model = "wm8962-audio";
@@ -201,6 +215,20 @@ 
	status = "okay";

};



&flexcan1 {

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_flexcan1>;

	xceiver-supply = <&reg_can_stby>;

	status = "okay";

};



&flexcan2 {

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_flexcan2>;

	xceiver-supply = <&reg_can_stby>;

	status = "okay";

};



&i2c3 {

	clock-frequency = <100000>;

	pinctrl-names = "default";
@@ -396,6 +424,20 @@ 
			>;

		};



		pinctrl_flexcan1: flexcan1grp {

			fsl,pins = <

				MX6SX_PAD_QSPI1B_DQS__CAN1_TX		0x1b020

				MX6SX_PAD_QSPI1A_SS1_B__CAN1_RX		0x1b020

			>;

		};



		pinctrl_flexcan2: flexcan2grp {

			fsl,pins = <

				MX6SX_PAD_QSPI1B_SS1_B__CAN2_RX		0x1b020

				MX6SX_PAD_QSPI1A_DQS__CAN2_TX		0x1b020

			>;

		};



		pinctrl_gpio_keys: gpio_keysgrp {

			fsl,pins = <

				MX6SX_PAD_CSI_DATA04__GPIO1_IO_18 0x17059

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