[PATCH 4/8] ARM: dts: rockchip: rv1126: Add i2c2 nodes

Tim Lunn tim at feathertop.org
Mon Nov 13 04:07:01 PST 2023


Add i2c2 node and i2c2_xfer pinctrl for Rockchip RV1126

Signed-off-by: Tim Lunn <tim at feathertop.org>
---

 arch/arm/boot/dts/rockchip/rv1126-pinctrl.dtsi | 10 ++++++++++
 arch/arm/boot/dts/rockchip/rv1126.dtsi         | 15 +++++++++++++++
 2 files changed, 25 insertions(+)

diff --git a/arch/arm/boot/dts/rockchip/rv1126-pinctrl.dtsi b/arch/arm/boot/dts/rockchip/rv1126-pinctrl.dtsi
index 4f85b7b3fc4c..167a48afa3a4 100644
--- a/arch/arm/boot/dts/rockchip/rv1126-pinctrl.dtsi
+++ b/arch/arm/boot/dts/rockchip/rv1126-pinctrl.dtsi
@@ -87,6 +87,16 @@ i2c0_xfer: i2c0-xfer {
 				<0 RK_PB5 1 &pcfg_pull_none_drv_level_0_smt>;
 		};
 	};
+	i2c2 {
+		/omit-if-no-ref/
+		i2c2_xfer: i2c2-xfer {
+			rockchip,pins =
+				/* i2c2_scl */
+				<0 RK_PC2 1 &pcfg_pull_none_drv_level_0_smt>,
+				/* i2c2_sda */
+				<0 RK_PC3 1 &pcfg_pull_none_drv_level_0_smt>;
+		};
+	};
 	pwm2 {
 		/omit-if-no-ref/
 		pwm2m0_pins: pwm2m0-pins {
diff --git a/arch/arm/boot/dts/rockchip/rv1126.dtsi b/arch/arm/boot/dts/rockchip/rv1126.dtsi
index 6c5c928f06c7..cf1df75df418 100644
--- a/arch/arm/boot/dts/rockchip/rv1126.dtsi
+++ b/arch/arm/boot/dts/rockchip/rv1126.dtsi
@@ -21,6 +21,7 @@ / {
 
 	aliases {
 		i2c0 = &i2c0;
+		i2c2 = &i2c2;
 		serial0 = &uart0;
 		serial1 = &uart1;
 		serial2 = &uart2;
@@ -236,6 +237,20 @@ i2c0: i2c at ff3f0000 {
 		status = "disabled";
 	};
 
+	i2c2: i2c at ff400000 {
+		compatible = "rockchip,rv1126-i2c", "rockchip,rk3399-i2c";
+		reg = <0xff400000 0x1000>;
+		interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
+		rockchip,grf = <&pmugrf>;
+		clocks = <&pmucru CLK_I2C2>, <&pmucru PCLK_I2C2>;
+		clock-names = "i2c", "pclk";
+		pinctrl-names = "default";
+		pinctrl-0 = <&i2c2_xfer>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+		status = "disabled";
+	};
+
 	uart1: serial at ff410000 {
 		compatible = "rockchip,rv1126-uart", "snps,dw-apb-uart";
 		reg = <0xff410000 0x100>;
-- 
2.40.1




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