kernel 5.7.8

1 files changed, 112 insertions, 0 deletions

diff --git a/SOURCES/0012-arm64-dts-sun50i-a64-pinephone-Enable-LCD-support-on.patch b/SOURCES/0012-arm64-dts-sun50i-a64-pinephone-Enable-LCD-support-on.patch
new file mode 100644
index 0000000..0c8ca99
--- /dev/null
+++ b/SOURCES/0012-arm64-dts-sun50i-a64-pinephone-Enable-LCD-support-on.patch
@@ -0,0 +1,112 @@
+From 3ac5eb0c8bc2da9e81e04fc6106a79b476ec9219 Mon Sep 17 00:00:00 2001
+From: Icenowy Zheng <icenowy@aosc.io>
+Date: Fri, 26 Jun 2020 02:56:00 +0200
+Subject: [PATCH 12/13] arm64: dts: sun50i-a64-pinephone: Enable LCD support on
+ PinePhone
+
+PinePhone uses PWM backlight and a XBD599 LCD panel over DSI for
+display.
+
+Backlight levels curve was optimized by Martijn Braam using a
+lux meter.
+
+Add its device nodes.
+
+Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
+Signed-off-by: Martijn Braam <martijn@brixit.nl>
+Signed-off-by: Ondrej Jirman <megous@megous.com>
+---
+ .../allwinner/sun50i-a64-pinephone-1.1.dts    | 19 ++++++++++
+ .../dts/allwinner/sun50i-a64-pinephone.dtsi   | 35 +++++++++++++++++++
+ 2 files changed, 54 insertions(+)
+
+diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts
+index 06a775c41664b..3e99a87e9ce52 100644
+--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts
++++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts
+@@ -9,3 +9,22 @@ / {
+ 	model = "Pine64 PinePhone Braveheart (1.1)";
+ 	compatible = "pine64,pinephone-1.1", "allwinner,sun50i-a64";
+ };
++
++&backlight {
++	power-supply = <&reg_ldo_io0>;
++	/*
++	 * PWM backlight circuit on this PinePhone revision was changed since
++	 * 1.0, and the lowest PWM duty cycle that doesn't lead to backlight
++	 * being off is around 20%. Duty cycle for the lowest brightness level
++	 * also varries quite a bit between individual boards, so the lowest
++	 * value here was chosen as a safe default.
++	 */
++	brightness-levels = <
++		774  793  814  842
++		882  935  1003 1088
++		1192 1316 1462 1633
++		1830 2054 2309 2596
++		2916 3271 3664 4096>;
++	num-interpolated-steps = <50>;
++	default-brightness-level = <400>;
++};
+diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
+index cefda145c3c9d..85a7aa5efd326 100644
+--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
++++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
+@@ -16,6 +16,13 @@ aliases {
+ 		serial0 = &uart0;
+ 	};
+ 
++	backlight: backlight {
++		compatible = "pwm-backlight";
++		pwms = <&r_pwm 0 50000 PWM_POLARITY_INVERTED>;
++		enable-gpios = <&pio 7 10 GPIO_ACTIVE_HIGH>; /* PH10 */
++		/* Backlight configuration differs per PinePhone revision. */
++	};
++
+ 	chosen {
+ 		stdout-path = "serial0:115200n8";
+ 	};
+@@ -84,6 +91,30 @@ &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 +219,10 @@ &r_pio {
+ 	 */
+ };
+ 
++&r_pwm {
++	status = "okay";
++};
++
+ &r_rsb {
+ 	status = "okay";
+ 
+-- 
+2.26.2
+