linux-kernel - [PATCH v2 6/9] arm64: dts: imx8qm-mek: add pwm and i2c in lvds subsystem

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Date: Mon, 10 Jun 2024 16:46:23 -0400
From: Frank Li <Frank.Li@....com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>, 
 Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>, Dong Aisheng <aisheng.dong@....com>
Cc: devicetree@...r.kernel.org, imx@...ts.linux.dev, 
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 Frank Li <Frank.Li@....com>, Peng Fan <peng.fan@....com>
Subject: [PATCH v2 6/9] arm64: dts: imx8qm-mek: add pwm and i2c in lvds
 subsystem

Add pwm[0,1] and i2c[0,1] in lvds subsystem.

Reviewed-by: Peng Fan <peng.fan@....com>
Signed-off-by: Frank Li <Frank.Li@....com>
---
 arch/arm64/boot/dts/freescale/imx8qm-mek.dts | 68 ++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts b/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
index dbd478af2e474..3cf39c868e752 100644
--- a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
+++ b/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
@@ -93,6 +93,22 @@ rsc_table1: memory@...ff000 {
 		};
 	};
 
+	lvds_backlight0: backlight-lvds0 {
+		compatible = "pwm-backlight";
+		pwms = <&qm_pwm_lvds0 0 100000 0>;
+		brightness-levels = <0 100>;
+		num-interpolated-steps = <100>;
+		default-brightness-level = <80>;
+	};
+
+	lvds_backlight1: backlight-lvds1 {
+		compatible = "pwm-backlight";
+		pwms = <&pwm_lvds1 0 100000 0>;
+		brightness-levels = <0 100>;
+		num-interpolated-steps = <100>;
+		default-brightness-level = <80>;
+	};
+
 	reg_usdhc2_vmmc: usdhc2-vmmc {
 		compatible = "regulator-fixed";
 		regulator-name = "SD1_SPWR";
@@ -334,6 +350,20 @@ wm8960: audio-codec@1a {
 	};
 };
 
+&i2c1_lvds0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_lvds0_lpi2c1>;
+	clock-frequency = <100000>;
+	status = "okay";
+};
+
+&i2c1_lvds1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_lvds1_lpi2c1>;
+	clock-frequency = <100000>;
+	status = "okay";
+};
+
 &flexcan1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_flexcan1>;
@@ -449,6 +479,18 @@ &fec2 {
 	status = "okay";
 };
 
+&qm_pwm_lvds0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_pwm_lvds0>;
+	status = "okay";
+};
+
+&pwm_lvds1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_pwm_lvds1>;
+	status = "okay";
+};
+
 &usdhc1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_usdhc1>;
@@ -675,6 +717,32 @@ IMX8QM_M41_GPIO0_01_DMA_UART3_TX			0x06000020
 		>;
 	};
 
+	pinctrl_lvds0_lpi2c1: lvds0lpi2c1grp {
+		fsl,pins = <
+			IMX8QM_LVDS0_I2C1_SCL_LVDS0_I2C1_SCL	0xc600004c
+			IMX8QM_LVDS0_I2C1_SDA_LVDS0_I2C1_SDA	0xc600004c
+		>;
+	};
+
+	pinctrl_lvds1_lpi2c1: lvds1lpi2c1grp {
+		fsl,pins = <
+			IMX8QM_LVDS1_I2C1_SCL_LVDS1_I2C1_SCL	0xc600004c
+			IMX8QM_LVDS1_I2C1_SDA_LVDS1_I2C1_SDA	0xc600004c
+		>;
+	};
+
+	pinctrl_pwm_lvds0: pwmlvds0grp {
+		fsl,pins = <
+			IMX8QM_LVDS0_GPIO00_LVDS0_PWM0_OUT		0x00000020
+		>;
+	};
+
+	pinctrl_pwm_lvds1: pwmlvds1grp {
+		fsl,pins = <
+			IMX8QM_LVDS1_GPIO00_LVDS1_PWM0_OUT		0x00000020
+		>;
+	};
+
 	pinctrl_sai0: sai0grp {
 		fsl,pins = <
 			IMX8QM_SPI0_CS1_AUD_SAI0_TXC				0x0600004c

-- 
2.34.1