20ea6adbf1
Build system: x86_64 Build-tested: bcm2708, bcm2709, bcm2710, bcm2711 Run-tested: bcm2708/RPiB+, bcm2709/RPi3B, bcm2710/RPi3B, bcm2711/RPi4B Signed-off-by: Marty Jones <mj8263788@gmail.com> Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
173 lines
4.6 KiB
Diff
173 lines
4.6 KiB
Diff
From dabd32c62cb2faa42feacafc6edbe8ab4b3395cb Mon Sep 17 00:00:00 2001
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From: Penk Chen <penk@cutiepi.io>
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Date: Mon, 20 Dec 2021 03:46:26 +0900
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Subject: [PATCH] Add panel overlay for CutiePi
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Signed-off-by: Penk Chen <penk@cutiepi.io>
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---
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arch/arm/boot/dts/overlays/Makefile | 1 +
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arch/arm/boot/dts/overlays/README | 6 +
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.../dts/overlays/cutiepi-panel-overlay.dts | 117 ++++++++++++++++++
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arch/arm/boot/dts/overlays/overlay_map.dts | 4 +
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4 files changed, 128 insertions(+)
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create mode 100644 arch/arm/boot/dts/overlays/cutiepi-panel-overlay.dts
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--- a/arch/arm/boot/dts/overlays/Makefile
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+++ b/arch/arm/boot/dts/overlays/Makefile
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@@ -34,6 +34,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
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cap1106.dtbo \
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chipdip-dac.dtbo \
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cma.dtbo \
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+ cutiepi-panel.dtbo \
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dht11.dtbo \
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dionaudio-loco.dtbo \
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dionaudio-loco-v2.dtbo \
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--- a/arch/arm/boot/dts/overlays/README
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+++ b/arch/arm/boot/dts/overlays/README
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@@ -679,6 +679,12 @@ Params: cma-512 CMA is 5
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cma-default Use upstream's default value
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+Name: cutiepi-panel
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+Info: 8" TFT LCD display and touch panel used by cutiepi.io
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+Load: dtoverlay=cutiepi-panel
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+Params: <None>
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+
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+
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Name: dht11
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Info: Overlay for the DHT11/DHT21/DHT22 humidity/temperature sensors
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Also sometimes found with the part number(s) AM230x.
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--- /dev/null
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+++ b/arch/arm/boot/dts/overlays/cutiepi-panel-overlay.dts
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@@ -0,0 +1,117 @@
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+/dts-v1/;
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+/plugin/;
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+
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+/ {
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+ compatible = "brcm,bcm2711";
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+
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+ fragment@0 {
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+ target=<&dsi1>;
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+
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+ __overlay__ {
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+ status = "okay";
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+
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+
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+ port {
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+ dsi1_out_port: endpoint {
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+ remote-endpoint = <&panel_dsi_in1>;
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+ };
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+ };
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+
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+ display1: panel@0 {
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+ compatible = "nwe,nwe080";
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+ reg=<0>;
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+ backlight = <&rpi_backlight>;
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+ reset-gpios = <&gpio 20 0>;
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+ port {
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+ panel_dsi_in1: endpoint {
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+ remote-endpoint = <&dsi1_out_port>;
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+ };
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+ };
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+ };
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+ };
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+ };
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+
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+ fragment@1 {
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+ target = <&gpio>;
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+ __overlay__ {
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+ pwm_pins: pwm_pins {
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+ brcm,pins = <12>;
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+ brcm,function = <4>; // ALT0
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+ };
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+ };
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+ };
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+
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+ fragment@2 {
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+ target = <&pwm>;
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+ frag1: __overlay__ {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&pwm_pins>;
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+ assigned-clock-rates = <1000000>;
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+ status = "okay";
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+ };
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+ };
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+
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+ fragment@3 {
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+ target-path = "/";
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+ __overlay__ {
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+ rpi_backlight: rpi_backlight {
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+ compatible = "pwm-backlight";
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+ brightness-levels = <0 6 8 12 16 24 32 40 48 64 96 128 160 192 224 255>;
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+ default-brightness-level = <6>;
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+ pwms = <&pwm 0 200000>;
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+ power-supply = <&vdd_3v3_reg>;
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+ status = "okay";
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+ };
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+ };
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+ };
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+
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+ fragment@4 {
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+ target = <&i2c6>;
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+ frag0: __overlay__ {
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+ status = "okay";
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&i2c6_pins>;
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+ clock-frequency = <100000>;
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+ };
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+ };
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+
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+ fragment@5 {
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+ target = <&i2c6_pins>;
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+ __overlay__ {
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+ brcm,pins = <22 23>;
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+ };
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+ };
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+
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+ fragment@6 {
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+ target = <&gpio>;
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+ __overlay__ {
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+ goodix_pins: goodix_pins {
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+ brcm,pins = <21 26>; // interrupt and reset
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+ brcm,function = <0 0>; // in
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+ brcm,pull = <2 2>; // pull-up
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+ };
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+ };
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+ };
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+
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+ fragment@7 {
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+ target = <&i2c6>;
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+ __overlay__ {
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ status = "okay";
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+
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+ gt9xx: gt9xx@5d {
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+ compatible = "goodix,gt9271";
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+ reg = <0x5D>;
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&goodix_pins>;
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+ interrupt-parent = <&gpio>;
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+ interrupts = <21 2>; // high-to-low edge triggered
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+ irq-gpios = <&gpio 21 0>;
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+ reset-gpios = <&gpio 26 0>;
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+ };
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+ };
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+ };
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+};
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--- a/arch/arm/boot/dts/overlays/overlay_map.dts
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+++ b/arch/arm/boot/dts/overlays/overlay_map.dts
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@@ -5,6 +5,10 @@
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deprecated = "use i2c-sensor,bmp085";
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};
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+ cutiepi-panel {
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+ bcm2711;
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+ };
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+
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highperi {
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bcm2711;
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};
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