linux-kernel - [PATCH v2 1/8] ARM: dts: rockchip: Add i2c3 node for RV1126

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Message-Id: <20240903105245.715899-2-karthikeyan@linumiz.com>
Date: Tue,  3 Sep 2024 16:22:38 +0530
From: Karthikeyan Krishnasamy <karthikeyan@...umiz.com>
To: robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	heiko@...ech.de,
	alexandre.belloni@...tlin.com
Cc: devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	linux-rtc@...r.kernel.org,
	Karthikeyan Krishnasamy <karthikeyan@...umiz.com>
Subject: [PATCH v2 1/8] ARM: dts: rockchip: Add i2c3 node for RV1126

Add i2c3 node and possible pinctrl for Rockchip RV1126

Signed-off-by: Karthikeyan Krishnasamy <karthikeyan@...umiz.com>
---

Notes:
    v2:
    - No change

 .../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@...e0000 {
 		clock-names = "apb_pclk";
 	};
 
+	i2c3: i2c@...20000 {
+		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@...50030 {
 		compatible = "rockchip,rv1126-pwm", "rockchip,rk3328-pwm";
 		reg = <0xff550030 0x10>;
-- 
2.39.2