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Commit 74194620 authored by Antoine Tenart's avatar Antoine Tenart Committed by Maxime Ripard
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ARM: sun5i: chip: add a node for the w1 gpio controller 



The CHIP uses a 1-Wire bus to discover the DIPs. Enable the bus in the DT.

Signed-off-by: default avatarAntoine Tenart <antoine.tenart@free-electrons.com>
Acked-by: default avatarChen-Yu Tsai <wens@csie.org>
Signed-off-by: default avatarMaxime Ripard <maxime.ripard@free-electrons.com>
parent bb1ea8bf

arch/arm/boot/dts/sun5i-r8-chip.dts

+14 −0
Original line number Diff line number Diff line
@@ -81,6 +81,13 @@ 
		pinctrl-0 = <&chip_wifi_reg_on_pin>;

		reset-gpios = <&pio 2 19 GPIO_ACTIVE_LOW>; /* PC19 */

	};



	onewire {

		compatible = "w1-gpio";

		gpios = <&pio 3 2 GPIO_ACTIVE_HIGH>; /* PD2 */

		pinctrl-names = "default";

		pinctrl-0 = <&chip_w1_pin>;

	};

};



&be0 {
@@ -181,6 +188,13 @@ 
		allwinner,drive = <SUN4I_PINCTRL_10_MA>;

		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;

	};



	chip_w1_pin: chip_w1_pin@0 {

		allwinner,pins = "PD2";

		allwinner,function = "gpio_in";

	        allwinner,drive = <SUN4I_PINCTRL_10_MA>;

	        allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;

	};

};



&reg_dcdc2 {