[PATCH 1/8] ARM: dts: rockchip: Add i2c3 node for RV1126

Karthikeyan Krishnasamy
2024-08-23T15:38:39Z

Add i2c3 node and possible pinctrl for Rockchip RV1126

Signed-off-by: Karthikeyan Krishnasamy <karthikeyan@linumiz.com>
---
.../arm/boot/dts/rockchip/rv1126-pinctrl.dtsi | 26 +++++++++++++++++++
arch/arm/boot/dts/rockchip/rv1126.dtsi | 15 +++++++++++
2 files changed, 41 insertions(+)

diff --git a/arch/arm/boot/dts/rockchip/rv1126-pinctrl.dtsi b/arch/arm/boot/dts/rockchip/rv1126-pinctrl.dtsi
index 06b1d7f2d858..be666b25b830 100644
--- a/arch/arm/boot/dts/rockchip/rv1126-pinctrl.dtsi
+++ b/arch/arm/boot/dts/rockchip/rv1126-pinctrl.dtsi
@@ -97,6 +97,32 @@ i2c2_xfer: i2c2-xfer {
<0 RK_PC3 1 &pcfg_pull_none_drv_level_0_smt>;
};
};
+ i2c3 {
+ /omit-if-no-ref/
+ i2c3m0_xfer: i2c3m0-xfer {
+ rockchip,pins =
+ /* i2c3_scl_m0 */
+ <3 RK_PA4 5 &pcfg_pull_none>,
+ /* i2c3_sda_m0 */
+ <3 RK_PA5 5 &pcfg_pull_none>;
+ };
+ /omit-if-no-ref/
+ i2c3m1_xfer: i2c3m1-xfer {
+ rockchip,pins =
+ /* i2c3_scl_m1 */
+ <2 RK_PD4 7 &pcfg_pull_none>,
+ /* i2c3_sda_m1 */
+ <2 RK_PD5 7 &pcfg_pull_none>;
+ };
+ /omit-if-no-ref/
+ i2c3m2_xfer: i2c3m2-xfer {
+ rockchip,pins =
+ /* i2c3_scl_m2 */
+ <1 RK_PD6 3 &pcfg_pull_none>,
+ /* i2c3_sda_m2 */
+ <1 RK_PD7 3 &pcfg_pull_none>;
+ };
+ };
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 bb603cae13df..59de848c9a83 100644
--- a/arch/arm/boot/dts/rockchip/rv1126.dtsi
+++ b/arch/arm/boot/dts/rockchip/rv1126.dtsi
@@ -22,6 +22,7 @@ / {
aliases {
i2c0 = &i2c0;
i2c2 = &i2c2;
+ i2c3 = &i2c3;
serial0 = &uart0;
serial1 = &uart1;
serial2 = &uart2;
@@ -308,6 +309,20 @@ dmac: dma-controller@ff4e0000 {
clock-names = "apb_pclk";
};

+ i2c3: i2c@ff520000 {
+ compatible = "rockchip,rv1126-i2c", "rockchip,rk3399-i2c";
+ reg = <0xff520000 0x1000>;
+ interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&cru CLK_I2C3>, <&cru PCLK_I2C3>;
+ clock-names = "i2c", "pclk";
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c3m0_xfer>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ rockchip,grf = <&pmugrf>;
+ };
+
pwm11: pwm@ff550030 {
compatible = "rockchip,rv1126-pwm", "rockchip,rk3328-pwm";
reg = <0xff550030 0x10>;
--
2.39.2