From: Geert Uytterhoeven <geert+renesas@glider.be>
Date: Wed, 28 Sep 2022 12:47:19 +0000 (+0200)
Subject: arm64: dts: renesas: white-hawk-cpu: Add PCA9654 I/O Expander
X-Git-Tag: v6.6.17~6037^2~30^2~20
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=92378fd2ba593425308f3b21ff29936ead02a090;p=platform%2Fkernel%2Flinux-rpi.git

arm64: dts: renesas: white-hawk-cpu: Add PCA9654 I/O Expander

Describe the PCA9654 I/O Expander on the White Hawk CPU board.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/e75ea6feaedc013c504a032a6cf1cb7dd809ce27.1664369170.git.geert+renesas@glider.be
---

diff --git a/arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-cpu.dtsi b/arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-cpu.dtsi
index 895f0bd..f424b82 100644
--- a/arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-cpu.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-cpu.dtsi
@@ -135,6 +135,17 @@
 	status = "okay";
 	clock-frequency = <400000>;
 
+	io_expander_a: gpio@20 {
+		compatible = "onnn,pca9654";
+		reg = <0x20>;
+		interrupt-parent = <&gpio0>;
+		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+		gpio-controller;
+		#gpio-cells = <2>;
+		interrupt-controller;
+		#interrupt-cells = <2>;
+	};
+
 	eeprom@50 {
 		compatible = "rohm,br24g01", "atmel,24c01";
 		label = "cpu-board";