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Commit a2f8ad59 authored by Andrew F. Davis's avatar Andrew F. Davis Committed by Tony Lindgren
Browse files

ARM: dts: am437x-idk: Add Industrial input support 



The SN65HVS882 is available on the AM437x IDK and is attached to SPI1.
Input is attached to the I/O header.

Signed-off-by: default avatarAndrew F. Davis <afd@ti.com>
Reviewed-by: default avatarRoger Quadros <rogerq@ti.com>
Signed-off-by: default avatarSekhar Nori <nsekhar@ti.com>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent a59c2238

arch/arm/boot/dts/am437x-idk-evm.dts

+42 −0
Original line number Original line Diff line number Diff line
@@ -178,6 +178,24 @@ 
		>;

		>;

	};

	};





	spi1_pins_default: spi1_pins_default {

		pinctrl-single,pins = <

			AM4372_IOPAD(0x908, PIN_INPUT | MUX_MODE2)	/* mii1_col.spi1_sclk */

			AM4372_IOPAD(0x910, PIN_INPUT | MUX_MODE2)	/* mii1_rx_er.spi1_d1 */

			AM4372_IOPAD(0x944, PIN_OUTPUT | MUX_MODE2)	/* rmii1_ref_clk.spi1_cs0 */

			AM4372_IOPAD(0x90c, PIN_OUTPUT | MUX_MODE7)	/* mii1_crs.gpio3_1 */

		>;

	};



	spi1_pins_sleep: spi1_pins_sleep {

		pinctrl-single,pins = <

			AM4372_IOPAD(0x908, PIN_INPUT_PULLDOWN | MUX_MODE7)

			AM4372_IOPAD(0x910, PIN_INPUT_PULLDOWN | MUX_MODE7)

			AM4372_IOPAD(0x944, PIN_INPUT_PULLDOWN | MUX_MODE7)

			AM4372_IOPAD(0x90c, PIN_INPUT_PULLDOWN | MUX_MODE7)

		>;

	};



	ecap0_pins_default: backlight_pins_default {

	ecap0_pins_default: backlight_pins_default {

		pinctrl-single,pins = <

		pinctrl-single,pins = <

			AM4372_IOPAD(0x964, PIN_OUTPUT | MUX_MODE0) /* ecap0_in_pwm0_out.ecap0_in_pwm0_out */

			AM4372_IOPAD(0x964, PIN_OUTPUT | MUX_MODE0) /* ecap0_in_pwm0_out.ecap0_in_pwm0_out */
@@ -292,6 +310,26 @@ 
	clock-frequency = <100000>;

	clock-frequency = <100000>;

};

};





&spi1 {

	status = "okay";

	pinctrl-names = "default", "sleep";

	pinctrl-0 = <&spi1_pins_default>;

	pinctrl-1 = <&spi1_pins_sleep>;

	ti,pindir-d0-out-d1-in;



	sn65hvs882: sn65hvs882@0 {

		compatible = "pisosr-gpio";

		gpio-controller;

		#gpio-cells = <2>;



		load-gpios = <&gpio3 1 GPIO_ACTIVE_LOW>;



		reg = <0>;

		spi-max-frequency = <1000000>;

		spi-cpol;

	};

};



&epwmss0 {

&epwmss0 {

	status = "okay";

	status = "okay";

};

};
@@ -310,6 +348,10 @@ 
	status = "okay";

	status = "okay";

};

};





&gpio3 {

	status = "okay";

};



&gpio4 {

&gpio4 {

	status = "okay";

	status = "okay";

};

};