From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
Enable I2C0 and I2C1 on the RZ/T2H evaluation board.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
---
.../dts/renesas/r9a09g077m44-rzt2h-evk.dts | 34 +++++++++++++++++++
.../dts/renesas/rzt2h-n2h-evk-common.dtsi | 2 ++
2 files changed, 36 insertions(+)
diff --git a/arch/arm64/boot/dts/renesas/r9a09g077m44-rzt2h-evk.dts b/arch/arm64/boot/dts/renesas/r9a09g077m44-rzt2h-evk.dts
index a0cf01978f15..36e3b630727a 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g077m44-rzt2h-evk.dts
+++ b/arch/arm64/boot/dts/renesas/r9a09g077m44-rzt2h-evk.dts
@@ -65,3 +65,37 @@ led8 {
};
};
};
+
+&i2c0 {
+ pinctrl-0 = <&i2c0_pins>;
+ pinctrl-names = "default";
+ clock-frequency = <400000>;
+ status = "okay";
+};
+
+&i2c1 {
+ pinctrl-0 = <&i2c1_pins>;
+ pinctrl-names = "default";
+ clock-frequency = <400000>;
+ status = "okay";
+};
+
+&pinctrl {
+ /*
+ * I2C0 Pin Configuration:
+ * ------------------------
+ * Signal | Pin | SW6
+ * -------|---------|--------------
+ * SCL | P23_3 | 7: ON, 8: OFF
+ * SDA | P23_4 | 9: ON, 10: OFF
+ */
+ i2c0_pins: i2c0-pins {
+ pinmux = <RZT2H_PORT_PINMUX(23, 3, 0x17)>,
+ <RZT2H_PORT_PINMUX(23, 4, 0x17)>;
+ };
+
+ i2c1_pins: i2c1-pins {
+ pinmux = <RZT2H_PORT_PINMUX(5, 0, 0x17)>, /* SDA */
+ <RZT2H_PORT_PINMUX(4, 7, 0x17)>; /* SCL */
+ };
+};
diff --git a/arch/arm64/boot/dts/renesas/rzt2h-n2h-evk-common.dtsi b/arch/arm64/boot/dts/renesas/rzt2h-n2h-evk-common.dtsi
index 868abfdfd342..127e96395f8e 100644
--- a/arch/arm64/boot/dts/renesas/rzt2h-n2h-evk-common.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzt2h-n2h-evk-common.dtsi
@@ -9,6 +9,8 @@
/ {
aliases {
+ i2c0 = &i2c0;
+ i2c1 = &i2c1;
serial0 = &sci0;
};
--
2.50.1
