linux-kernel - [PATCH 5/5] arm64: allwinner: dts: a64: add LCD-related device nodes for PinePhone

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Date:   Thu, 12 Mar 2020 00:33:29 +0800
From:   Icenowy Zheng <icenowy@...c.io>
To:     Thierry Reding <thierry.reding@...il.com>,
        Sam Ravnborg <sam@...nborg.org>,
        Rob Herring <robh+dt@...nel.org>,
        Maxime Ripard <mripard@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>, Ondrej Jirman <megous@...ous.com>
Cc:     dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-sunxi@...glegroups.com, Icenowy Zheng <icenowy@...c.io>
Subject: [PATCH 5/5] arm64: allwinner: dts: a64: add LCD-related device nodes for PinePhone

PinePhone uses PWM backlight and a XBD599 LCD panel over DSI for
display.

Add its device nodes.

Signed-off-by: Icenowy Zheng <icenowy@...c.io>
---
 .../dts/allwinner/sun50i-a64-pinephone.dtsi   | 37 +++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
index cefda145c3c9..96d9150423e0 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
@@ -16,6 +16,15 @@ aliases {
 		serial0 = &uart0;
 	};
 
+	backlight: backlight {
+		compatible = "pwm-backlight";
+		pwms = <&r_pwm 0 50000 PWM_POLARITY_INVERTED>;
+		brightness-levels = <0 16 18 20 22 24 26 29 32 35 38 42 46 51 56 62 68 75 83 91 100>;
+		default-brightness-level = <15>;
+		enable-gpios = <&pio 7 10 GPIO_ACTIVE_HIGH>; /* PH10 */
+		power-supply = <&reg_ldo_io0>;
+	};
+
 	chosen {
 		stdout-path = "serial0:115200n8";
 	};
@@ -84,6 +93,30 @@ &dai {
 	status = "okay";
 };
 
+&de {
+	status = "okay";
+};
+
+&dphy {
+	status = "okay";
+};
+
+&dsi {
+	vcc-dsi-supply = <&reg_dldo1>;
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+
+	panel@0 {
+		compatible = "xingbangda,xbd599";
+		reg = <0>;
+		reset-gpios = <&pio 3 23 GPIO_ACTIVE_LOW>; /* PD23 */
+		iovcc-supply = <&reg_dldo2>;
+		vcc-supply = <&reg_ldo_io0>;
+		backlight = <&backlight>;
+	};
+};
+
 &ehci0 {
 	status = "okay";
 };
@@ -188,6 +221,10 @@ &r_pio {
 	 */
 };
 
+&r_pwm {
+	status = "okay";
+};
+
 &r_rsb {
 	status = "okay";
 
-- 
2.24.1