Add the bus and the GPIO expander connected to it. Based on BSP patches
by LUU HOAI and Phong Hoang.
Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
---
.../boot/dts/renesas/r8a779f0-spider-cpu.dtsi | 20 +++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/arch/arm64/boot/dts/renesas/r8a779f0-spider-cpu.dtsi b/arch/arm64/boot/dts/renesas/r8a779f0-spider-cpu.dtsi
index 045d70535519..48a8f80d5962 100644
--- a/arch/arm64/boot/dts/renesas/r8a779f0-spider-cpu.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779f0-spider-cpu.dtsi
@@ -67,6 +67,21 @@ &hscif0 {
status = "okay";
};
+&i2c0 {
+ pinctrl-0 = <&i2c0_pins>;
+ pinctrl-names = "default";
+
+ status = "okay";
+ clock-frequency = <400000>;
+
+ gpio@20 {
+ compatible = "ti,tca9554";
+ reg = <0x20>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+};
+
&i2c4 {
pinctrl-0 = <&i2c4_pins>;
pinctrl-names = "default";
@@ -112,6 +127,11 @@ hscif0_pins: hscif0 {
function = "hscif0";
};
+ i2c0_pins: i2c0 {
+ groups = "i2c0";
+ function = "i2c0";
+ };
+
i2c4_pins: i2c4 {
groups = "i2c4";
function = "i2c4";
--
2.35.1
