Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit b27d5250 authored by Thierry Reding's avatar Thierry Reding
Browse files

arm64: tegra: Add GPIO expanders on P2771 



The P2771 development board expands the number of GPIOs via two I2C
chips.

Acked-by: default avatarJon Hunter <jonathanh@nvidia.com>
Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
parent b693b3d7

arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts

+22 −0
Original line number Diff line number Diff line
@@ -18,6 +18,28 @@ 
			compatible = "ti,ina3221";

			reg = <0x43>;

		};



		exp1: gpio@74 {

			compatible = "ti,tca9539";

			reg = <0x74>;



			interrupt-parent = <&gpio>;

			interrupts = <TEGRA_MAIN_GPIO(Y, 0) GPIO_ACTIVE_LOW>;



			#gpio-cells = <2>;

			gpio-controller;

		};



		exp2: gpio@77 {

			compatible = "ti,tca9539";

			reg = <0x77>;



			interrupt-parent = <&gpio>;

			interrupts = <TEGRA_MAIN_GPIO(Y, 6) GPIO_ACTIVE_LOW>;



			#gpio-cells = <2>;

			gpio-controller;

		};

	};



	/* SDMMC1 (SD/MMC) */