1 From dabd32c62cb2faa42feacafc6edbe8ab4b3395cb Mon Sep 17 00:00:00 2001
2 From: Penk Chen <penk@cutiepi.io>
3 Date: Mon, 20 Dec 2021 03:46:26 +0900
4 Subject: [PATCH] Add panel overlay for CutiePi
6 Signed-off-by: Penk Chen <penk@cutiepi.io>
8 arch/arm/boot/dts/overlays/Makefile | 1 +
9 arch/arm/boot/dts/overlays/README | 6 +
10 .../dts/overlays/cutiepi-panel-overlay.dts | 117 ++++++++++++++++++
11 arch/arm/boot/dts/overlays/overlay_map.dts | 4 +
12 4 files changed, 128 insertions(+)
13 create mode 100644 arch/arm/boot/dts/overlays/cutiepi-panel-overlay.dts
15 --- a/arch/arm/boot/dts/overlays/Makefile
16 +++ b/arch/arm/boot/dts/overlays/Makefile
17 @@ -34,6 +34,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
21 + cutiepi-panel.dtbo \
24 dionaudio-loco-v2.dtbo \
25 --- a/arch/arm/boot/dts/overlays/README
26 +++ b/arch/arm/boot/dts/overlays/README
27 @@ -679,6 +679,12 @@ Params: cma-512 CMA is 5
28 cma-default Use upstream's default value
32 +Info: 8" TFT LCD display and touch panel used by cutiepi.io
33 +Load: dtoverlay=cutiepi-panel
38 Info: Overlay for the DHT11/DHT21/DHT22 humidity/temperature sensors
39 Also sometimes found with the part number(s) AM230x.
41 +++ b/arch/arm/boot/dts/overlays/cutiepi-panel-overlay.dts
47 + compatible = "brcm,bcm2711";
55 + #address-cells = <1>;
59 + dsi1_out_port: endpoint {
60 + remote-endpoint = <&panel_dsi_in1>;
65 + compatible = "nwe,nwe080";
67 + backlight = <&rpi_backlight>;
68 + reset-gpios = <&gpio 20 0>;
70 + panel_dsi_in1: endpoint {
71 + remote-endpoint = <&dsi1_out_port>;
81 + pwm_pins: pwm_pins {
83 + brcm,function = <4>; // ALT0
90 + frag1: __overlay__ {
91 + pinctrl-names = "default";
92 + pinctrl-0 = <&pwm_pins>;
93 + assigned-clock-rates = <1000000>;
101 + rpi_backlight: rpi_backlight {
102 + compatible = "pwm-backlight";
103 + brightness-levels = <0 6 8 12 16 24 32 40 48 64 96 128 160 192 224 255>;
104 + default-brightness-level = <6>;
105 + pwms = <&pwm 0 200000>;
106 + power-supply = <&vdd_3v3_reg>;
114 + frag0: __overlay__ {
116 + pinctrl-names = "default";
117 + pinctrl-0 = <&i2c6_pins>;
118 + clock-frequency = <100000>;
123 + target = <&i2c6_pins>;
125 + brcm,pins = <22 23>;
132 + goodix_pins: goodix_pins {
133 + brcm,pins = <21 26>; // interrupt and reset
134 + brcm,function = <0 0>; // in
135 + brcm,pull = <2 2>; // pull-up
143 + #address-cells = <1>;
148 + compatible = "goodix,gt9271";
150 + pinctrl-names = "default";
151 + pinctrl-0 = <&goodix_pins>;
152 + interrupt-parent = <&gpio>;
153 + interrupts = <21 2>; // high-to-low edge triggered
154 + irq-gpios = <&gpio 21 0>;
155 + reset-gpios = <&gpio 26 0>;
160 --- a/arch/arm/boot/dts/overlays/overlay_map.dts
161 +++ b/arch/arm/boot/dts/overlays/overlay_map.dts
163 deprecated = "use i2c-sensor,bmp085";