From 2f40c6df3dcc1341afd99cd1a4de035f807c8a03 Mon Sep 17 00:00:00 2001 From: Ravi Gunasekaran Date: Wed, 20 Sep 2023 11:08:34 +0530 Subject: [PATCH] arm64: dts: ti: k3-am654-base-board: Add I2C I/O expander AM654 baseboard has two TCA9554 I/O expander on the WKUP_I2C0 bus. The expander at address 0x38 is used to detect daughter cards. Add a node for this I/O expander. Signed-off-by: Ravi Gunasekaran Reviewed-by: Andrew Davis Link: https://lore.kernel.org/r/20230920053834.21399-1-r-gunasekaran@ti.com Signed-off-by: Vignesh Raghavendra --- arch/arm64/boot/dts/ti/k3-am654-base-board.dts | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts index f5c26e9fba987..1637ec5ab5eda 100644 --- a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts +++ b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts @@ -369,6 +369,13 @@ ti,enable-vout-discharge; }; + gpio@38 { + compatible = "nxp,pca9554"; + reg = <0x38>; + gpio-controller; + #gpio-cells = <2>; + }; + pca9554: gpio@39 { compatible = "nxp,pca9554"; reg = <0x39>; -- 2.30.2