feat: add i2c7-m3 for rock 5a and rock 5c

Signed-off-by: Nascs Fang <[email protected]>
nascs · May 20, 2024 · 076f3c4 · 076f3c4
1 parent d936b4e
commit 076f3c4
Show file tree

Hide file tree

Showing 2 changed files with 19 additions and 0 deletions.
diff --git a/arch/arm64/boot/dts/rockchip/overlays/Makefile b/arch/arm64/boot/dts/rockchip/overlays/Makefile
@@ -417,6 +417,7 @@ dtb-$(CONFIG_CLK_RK3588) += \
 	rk3588-w1-gpio3-b3.dtbo \
 	rk3588-w1-gpio4-b1.dtbo \
 	rock-5a-allnet-5inch-display.dtbo \
+	rock-5a-i2c7-m3.dtbo \
 	rock-5a-radxa-25w-poe.dtbo \
 	rock-5a-radxa-display-8hd.dtbo \
 	rock-5a-rpi-camera-v2.dtbo \

diff --git a/arch/arm64/boot/dts/rockchip/overlays/rock-5a-i2c7-m3.dts b/arch/arm64/boot/dts/rockchip/overlays/rock-5a-i2c7-m3.dts
@@ -0,0 +1,18 @@
+#include "rk3588-i2c7-m3.dts"
+
+/ {
+	metadata {
+		title = "Enable I2C7-M3 and Disable onboard Audio Jack";
+		compatible = "radxa,rock-5a", "radxa,rock-5c";
+		description = "Enable I2C7-M3 and Disable onboard Audio Jack.
+Onboard audio jack has to be disabled, as the codec is connected to I2C7 on different pins.
+Once I2C signal is routed to 40-pin header, the codec is disconnected, thus unusable.
+On Radxa ROCK 5A this is SDA pin 11 & SCL pin 13.
+On Radxa ROCK 5C this is SDA pin 11 & SCL pin 13.
+";
+	};
+};
+
+&es8316 {
+	status = "disabled";
+};