|
 |
59aac79 |
From 3ac5eb0c8bc2da9e81e04fc6106a79b476ec9219 Mon Sep 17 00:00:00 2001
|
|
|
59aac79 |
From: Icenowy Zheng <icenowy@aosc.io>
|
|
|
59aac79 |
Date: Fri, 26 Jun 2020 02:56:00 +0200
|
|
|
59aac79 |
Subject: [PATCH 12/13] arm64: dts: sun50i-a64-pinephone: Enable LCD support on
|
|
|
59aac79 |
PinePhone
|
|
|
59aac79 |
|
|
|
59aac79 |
PinePhone uses PWM backlight and a XBD599 LCD panel over DSI for
|
|
|
59aac79 |
display.
|
|
|
59aac79 |
|
|
|
59aac79 |
Backlight levels curve was optimized by Martijn Braam using a
|
|
|
59aac79 |
lux meter.
|
|
|
59aac79 |
|
|
|
59aac79 |
Add its device nodes.
|
|
|
59aac79 |
|
|
|
59aac79 |
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
|
|
|
59aac79 |
Signed-off-by: Martijn Braam <martijn@brixit.nl>
|
|
|
59aac79 |
Signed-off-by: Ondrej Jirman <megous@megous.com>
|
|
|
59aac79 |
---
|
|
|
59aac79 |
.../allwinner/sun50i-a64-pinephone-1.1.dts | 19 ++++++++++
|
|
|
59aac79 |
.../dts/allwinner/sun50i-a64-pinephone.dtsi | 35 +++++++++++++++++++
|
|
|
59aac79 |
2 files changed, 54 insertions(+)
|
|
|
59aac79 |
|
|
|
59aac79 |
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
|
|
|
59aac79 |
index 06a775c41664b..3e99a87e9ce52 100644
|
|
|
59aac79 |
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts
|
|
|
59aac79 |
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts
|
|
|
59aac79 |
@@ -9,3 +9,22 @@ / {
|
|
|
59aac79 |
model = "Pine64 PinePhone Braveheart (1.1)";
|
|
|
59aac79 |
compatible = "pine64,pinephone-1.1", "allwinner,sun50i-a64";
|
|
|
59aac79 |
};
|
|
|
59aac79 |
+
|
|
|
59aac79 |
+&backlight {
|
|
|
59aac79 |
+ power-supply = <®_ldo_io0>;
|
|
|
59aac79 |
+ /*
|
|
|
59aac79 |
+ * PWM backlight circuit on this PinePhone revision was changed since
|
|
|
59aac79 |
+ * 1.0, and the lowest PWM duty cycle that doesn't lead to backlight
|
|
|
59aac79 |
+ * being off is around 20%. Duty cycle for the lowest brightness level
|
|
|
59aac79 |
+ * also varries quite a bit between individual boards, so the lowest
|
|
|
59aac79 |
+ * value here was chosen as a safe default.
|
|
|
59aac79 |
+ */
|
|
|
59aac79 |
+ brightness-levels = <
|
|
|
59aac79 |
+ 774 793 814 842
|
|
|
59aac79 |
+ 882 935 1003 1088
|
|
|
59aac79 |
+ 1192 1316 1462 1633
|
|
|
59aac79 |
+ 1830 2054 2309 2596
|
|
|
59aac79 |
+ 2916 3271 3664 4096>;
|
|
|
59aac79 |
+ num-interpolated-steps = <50>;
|
|
|
59aac79 |
+ default-brightness-level = <400>;
|
|
|
59aac79 |
+};
|
|
|
59aac79 |
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
|
|
|
59aac79 |
index cefda145c3c9d..85a7aa5efd326 100644
|
|
|
59aac79 |
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
|
|
|
59aac79 |
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
|
|
|
59aac79 |
@@ -16,6 +16,13 @@ aliases {
|
|
|
59aac79 |
serial0 = &uart;;
|
|
|
59aac79 |
};
|
|
|
59aac79 |
|
|
|
59aac79 |
+ backlight: backlight {
|
|
|
59aac79 |
+ compatible = "pwm-backlight";
|
|
|
59aac79 |
+ pwms = <&r_pwm 0 50000 PWM_POLARITY_INVERTED>;
|
|
|
59aac79 |
+ enable-gpios = <&pio 7 10 GPIO_ACTIVE_HIGH>; /* PH10 */
|
|
|
59aac79 |
+ /* Backlight configuration differs per PinePhone revision. */
|
|
|
59aac79 |
+ };
|
|
|
59aac79 |
+
|
|
|
59aac79 |
chosen {
|
|
|
59aac79 |
stdout-path = "serial0:115200n8";
|
|
|
59aac79 |
};
|
|
|
59aac79 |
@@ -84,6 +91,30 @@ &dai {
|
|
|
59aac79 |
status = "okay";
|
|
|
59aac79 |
};
|
|
|
59aac79 |
|
|
|
59aac79 |
+&de {
|
|
|
59aac79 |
+ status = "okay";
|
|
|
59aac79 |
+};
|
|
|
59aac79 |
+
|
|
|
59aac79 |
+&dphy {
|
|
|
59aac79 |
+ status = "okay";
|
|
|
59aac79 |
+};
|
|
|
59aac79 |
+
|
|
|
59aac79 |
+&dsi {
|
|
|
59aac79 |
+ vcc-dsi-supply = <®_dldo1>;
|
|
|
59aac79 |
+ #address-cells = <1>;
|
|
|
59aac79 |
+ #size-cells = <0>;
|
|
|
59aac79 |
+ status = "okay";
|
|
|
59aac79 |
+
|
|
|
59aac79 |
+ panel@0 {
|
|
|
59aac79 |
+ compatible = "xingbangda,xbd599";
|
|
|
59aac79 |
+ reg = <0>;
|
|
|
59aac79 |
+ reset-gpios = <&pio 3 23 GPIO_ACTIVE_LOW>; /* PD23 */
|
|
|
59aac79 |
+ iovcc-supply = <®_dldo2>;
|
|
|
59aac79 |
+ vcc-supply = <®_ldo_io0>;
|
|
|
59aac79 |
+ backlight = <&backlight>;
|
|
|
59aac79 |
+ };
|
|
|
59aac79 |
+};
|
|
|
59aac79 |
+
|
|
|
59aac79 |
&ehci0 {
|
|
|
59aac79 |
status = "okay";
|
|
|
59aac79 |
};
|
|
|
59aac79 |
@@ -188,6 +219,10 @@ &r_pio {
|
|
|
59aac79 |
*/
|
|
|
59aac79 |
};
|
|
|
59aac79 |
|
|
|
59aac79 |
+&r_pwm {
|
|
|
59aac79 |
+ status = "okay";
|
|
|
59aac79 |
+};
|
|
|
59aac79 |
+
|
|
|
59aac79 |
&r_rsb {
|
|
|
59aac79 |
status = "okay";
|
|
|
59aac79 |
|
|
|
59aac79 |
--
|
|
|
59aac79 |
2.26.2
|
|
|
59aac79 |
|