openwrt/target/linux/d1/patches-6.1/0091-riscv-dts-allwinner-devterm-Add-DSI-panel-and-backli.patch

From 7ac17ab7ea644ec27935865d6d0208ecc7fd4ed9 Mon Sep 17 00:00:00 2001
From: Samuel Holland <[email protected]>
Date: Thu, 11 Aug 2022 22:29:03 -0500
Subject: [PATCH 091/117] riscv: dts: allwinner: devterm: Add DSI panel and
 backlight

Signed-off-by: Samuel Holland <[email protected]>
---
 .../allwinner/sun20i-d1-clockworkpi-v3.14.dts |  8 +++++++-
 .../dts/allwinner/sun20i-d1-devterm-v3.14.dts | 20 +++++++++++++++++++
 2 files changed, 27 insertions(+), 1 deletion(-)

--- a/arch/riscv/boot/dts/allwinner/sun20i-d1-clockworkpi-v3.14.dts
+++ b/arch/riscv/boot/dts/allwinner/sun20i-d1-clockworkpi-v3.14.dts
@@ -48,6 +48,12 @@
 		};
 	};
 
+	backlight: backlight {
+		compatible = "pwm-backlight";
+		power-supply = <&reg_vcc>;
+		pwms = <&pwm 4 50000 0>; /* PD20/GPIO9 */
+	};
+
 	reg_vdd_cpu: vdd-cpu {
 		compatible = "pwm-regulator";
 		pwms = <&pwm 0 50000 0>;
@@ -252,7 +258,7 @@
 };
 
 &pwm {
-	pinctrl-0 = <&pwm0_pd16_pin>;
+	pinctrl-0 = <&pwm0_pd16_pin>, <&pwm4_pd20_pin>;
 	pinctrl-names = "default";
 	status = "okay";
 };
--- a/arch/riscv/boot/dts/allwinner/sun20i-d1-devterm-v3.14.dts
+++ b/arch/riscv/boot/dts/allwinner/sun20i-d1-devterm-v3.14.dts
@@ -35,3 +35,23 @@
 		};
 	};
 };
+
+&de {
+	status = "okay";
+};
+
+&dsi {
+	pinctrl-0 = <&dsi_4lane_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+
+	panel@0 {
+		compatible = "clockwork,cwd686";
+		reg = <0>;
+		backlight = <&backlight>;
+		reset-gpios = <&pio 3 19 GPIO_ACTIVE_LOW>; /* PD19/GPIO8 */
+		rotation = <90>;
+		iovcc-supply = <&reg_dcdc3>;
+		vci-supply = <&reg_aldo2>;
+	};
+};