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openwrt/target/linux/bcm27xx/patches-6.6/950-0949-dtoverlays-Add-overlays-for-5-and-7-ILI9881-panels.patch
Álvaro Fernández Rojas 8c405cdccc bcm27xx: add 6.6 kernel patches 
The patches were generated from the RPi repo with the following command:
git format-patch v6.6.34..rpi-6.1.y

Some patches needed rebasing and, as usual, the applied and reverted, wireless
drivers, Github workflows, READMEs and defconfigs patches were removed.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2024-06-18 18:52:49 +02:00

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From d3d24545684c6b6637603e14443bbd67dae59413 Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
Date: Mon, 30 Nov 2020 13:41:16 +0000
Subject: [PATCH 0949/1085] dtoverlays: Add overlays for 5" and 7" ILI9881
panels
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
---
arch/arm/boot/dts/overlays/Makefile | 2 +
arch/arm/boot/dts/overlays/README | 28 ++++
.../vc4-kms-dsi-ili9881-5inch-overlay.dts | 122 ++++++++++++++++++
.../vc4-kms-dsi-ili9881-7inch-overlay.dts | 122 ++++++++++++++++++
4 files changed, 274 insertions(+)
create mode 100644 arch/arm/boot/dts/overlays/vc4-kms-dsi-ili9881-5inch-overlay.dts
create mode 100644 arch/arm/boot/dts/overlays/vc4-kms-dsi-ili9881-7inch-overlay.dts
--- a/arch/arm/boot/dts/overlays/Makefile
+++ b/arch/arm/boot/dts/overlays/Makefile
@@ -301,6 +301,8 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
vc4-kms-dpi-panel.dtbo \
vc4-kms-dsi-7inch.dtbo \
vc4-kms-dsi-generic.dtbo \
+ vc4-kms-dsi-ili9881-5inch.dtbo \
+ vc4-kms-dsi-ili9881-7inch.dtbo \
vc4-kms-dsi-lt070me05000.dtbo \
vc4-kms-dsi-lt070me05000-v2.dtbo \
vc4-kms-dsi-waveshare-panel.dtbo \
--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
@@ -4981,6 +4981,34 @@ Params: clock-frequency Display
Only supported on Pi5 and CM
+Name: vc4-kms-dsi-ili9881-5inch
+Info: Enable the Raspberry Pi 5" ILI9881 based touchscreen panel.
+ Requires vc4-kms-v3d to be loaded.
+Load: dtoverlay=vc4-kms-dsi-ili9881-5inch,<param>
+Params: sizex Touchscreen size x (default 720)
+ sizey Touchscreen size y (default 1280)
+ invx Touchscreen inverted x axis
+ invy Touchscreen inverted y axis
+ swapxy Touchscreen swapped x y axis
+ disable_touch Disables the touch screen overlay driver
+ dsi0 Use DSI0 and i2c_csi_dsi0 (rather than
+ the default DSI1 and i2c_csi_dsi).
+
+
+Name: vc4-kms-dsi-ili9881-7inch
+Info: Enable the Raspberry Pi 7" ILI9881 based touchscreen panel.
+ Requires vc4-kms-v3d to be loaded.
+Load: dtoverlay=vc4-kms-dsi-ili9881-7inch,<param>
+Params: sizex Touchscreen size x (default 720)
+ sizey Touchscreen size y (default 1280)
+ invx Touchscreen inverted x axis
+ invy Touchscreen inverted y axis
+ swapxy Touchscreen swapped x y axis
+ disable_touch Disables the touch screen overlay driver
+ dsi0 Use DSI0 and i2c_csi_dsi0 (rather than
+ the default DSI1 and i2c_csi_dsi).
+
+
Name: vc4-kms-dsi-lt070me05000
Info: Enable a JDI LT070ME05000 DSI display on DSI1.
Note that this is a 4 lane DSI device, so it will only work on a Compute
--- /dev/null
+++ b/arch/arm/boot/dts/overlays/vc4-kms-dsi-ili9881-5inch-overlay.dts
@@ -0,0 +1,122 @@
+/*
+ * vc4-kms-dsi-ili9881-5inch-overlay.dts
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+ compatible = "brcm,bcm2835";
+
+ i2c_frag: fragment@0 {
+ target = <&i2c_csi_dsi>;
+ __overlay__ {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "okay";
+
+ display_mcu: display_mcu@45
+ {
+ compatible = "raspberrypi,v2-touchscreen-panel-regulator";
+ reg = <0x45>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+
+ gt911: gt911@5d {
+ compatible = "goodix,gt911";
+ reg = <0x5d>;
+ AVDD28-supply = <&touch_reg>;
+ touchscreen-size-x = <720>;
+ touchscreen-size-y = <1280>;
+ touchscreen-x-mm = <62>;
+ touchscreen-y-mm = <110>;
+ };
+ };
+ };
+
+ dsi_frag: fragment@1 {
+ target = <&dsi1>;
+ __overlay__ {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "okay";
+
+ port {
+ dsi_out: endpoint {
+ remote-endpoint = <&panel_in>;
+ };
+ };
+
+ dsi_panel: dsi_panel@0 {
+ reg = <0>;
+ compatible = "raspberrypi,dsi-5inch";
+ reset-gpio = <&display_mcu 0 GPIO_ACTIVE_LOW>;
+ backlight = <&display_mcu>;
+
+ port {
+ panel_in: endpoint {
+ remote-endpoint = <&dsi_out>;
+ };
+ };
+ };
+ };
+ };
+
+ fragment@2 {
+ target = <&i2c0if>;
+ __overlay__ {
+ status = "okay";
+ };
+ };
+
+ fragment@3 {
+ target = <&i2c0mux>;
+ __overlay__ {
+ status = "okay";
+ };
+ };
+
+ fragment@4 {
+ target-path = "/";
+ __overlay__ {
+ touch_reg: touch_reg@1 {
+ reg = <1>;
+ compatible = "regulator-fixed";
+ regulator-name = "touch_reg_1";
+ gpio = <&display_mcu 1 GPIO_ACTIVE_HIGH>;
+ startup-delay-us = <50000>;
+ enable-active-high;
+ };
+ };
+ };
+
+ fragment@10 {
+ target = <&gt911>;
+ __dormant__ {
+ touchscreen-inverted-x;
+ };
+ };
+
+ fragment@11 {
+ target = <&gt911>;
+ __dormant__ {
+ touchscreen-inverted-y;
+ };
+ };
+
+ __overrides__ {
+ dsi0 = <&dsi_frag>, "target:0=",<&dsi0>,
+ <&i2c_frag>, "target:0=",<&i2c_csi_dsi0>,
+ <&touch_reg>, "reg:0=0",
+ <&touch_reg>, "regulator-name=touch_reg_0";
+ sizex = <&gt911>,"touchscreen-size-x:0";
+ sizey = <&gt911>,"touchscreen-size-y:0";
+ invx = <0>, "+10";
+ invy = <0>, "+11";
+ swapxy = <&gt911>,"touchscreen-swapped-x-y?";
+ disable_touch = <&gt911>, "status=disabled";
+ };
+};
--- /dev/null
+++ b/arch/arm/boot/dts/overlays/vc4-kms-dsi-ili9881-7inch-overlay.dts
@@ -0,0 +1,122 @@
+/*
+ * vc4-kms-dsi-ili9881-5inch-overlay.dts
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+ compatible = "brcm,bcm2835";
+
+ i2c_frag: fragment@0 {
+ target = <&i2c_csi_dsi>;
+ __overlay__ {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "okay";
+
+ display_mcu: display_mcu@45
+ {
+ compatible = "raspberrypi,v2-touchscreen-panel-regulator";
+ reg = <0x45>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+
+ gt911: gt911@5d {
+ compatible = "goodix,gt911";
+ reg = <0x5d>;
+ AVDD28-supply = <&touch_reg>;
+ touchscreen-size-x = <720>;
+ touchscreen-size-y = <1280>;
+ touchscreen-x-mm = <90>;
+ touchscreen-y-mm = <151>;
+ };
+ };
+ };
+
+ dsi_frag: fragment@1 {
+ target = <&dsi1>;
+ __overlay__ {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "okay";
+
+ port {
+ dsi_out: endpoint {
+ remote-endpoint = <&panel_in>;
+ };
+ };
+
+ dsi_panel: dsi_panel@0 {
+ reg = <0>;
+ compatible = "raspberrypi,dsi-7inch";
+ reset-gpio = <&display_mcu 0 GPIO_ACTIVE_LOW>;
+ backlight = <&display_mcu>;
+
+ port {
+ panel_in: endpoint {
+ remote-endpoint = <&dsi_out>;
+ };
+ };
+ };
+ };
+ };
+
+ fragment@2 {
+ target = <&i2c0if>;
+ __overlay__ {
+ status = "okay";
+ };
+ };
+
+ fragment@3 {
+ target = <&i2c0mux>;
+ __overlay__ {
+ status = "okay";
+ };
+ };
+
+ fragment@4 {
+ target-path = "/";
+ __overlay__ {
+ touch_reg: touch_reg@1 {
+ reg = <1>;
+ compatible = "regulator-fixed";
+ regulator-name = "touch_reg_1";
+ gpio = <&display_mcu 1 GPIO_ACTIVE_HIGH>;
+ startup-delay-us = <50000>;
+ enable-active-high;
+ };
+ };
+ };
+
+ fragment@10 {
+ target = <&gt911>;
+ __dormant__ {
+ touchscreen-inverted-x;
+ };
+ };
+
+ fragment@11 {
+ target = <&gt911>;
+ __dormant__ {
+ touchscreen-inverted-y;
+ };
+ };
+
+ __overrides__ {
+ dsi0 = <&dsi_frag>, "target:0=",<&dsi0>,
+ <&i2c_frag>, "target:0=",<&i2c_csi_dsi0>,
+ <&touch_reg>, "reg:0=0",
+ <&touch_reg>, "regulator-name=touch_reg_0";
+ sizex = <&gt911>,"touchscreen-size-x:0";
+ sizey = <&gt911>,"touchscreen-size-y:0";
+ invx = <0>, "+10";
+ invy = <0>, "+11";
+ swapxy = <&gt911>,"touchscreen-swapped-x-y?";
+ disable_touch = <&gt911>, "status=disabled";
+ };
+};
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