mirror of
https://github.com/Ysurac/openmptcprouter.git
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181 lines
4.9 KiB
Diff
181 lines
4.9 KiB
Diff
From 5658307b53df66b97c85b6546efd46afbb690ada Mon Sep 17 00:00:00 2001
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From: Mark Williams <mwp@mwp.id.au>
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Date: Thu, 8 Dec 2022 04:58:05 -0700
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Subject: [PATCH 529/726] overlays: Add crystalfontz-cfa050_pi_m
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Add support for the Crystalfontz CFA050-PI-M series of Raspberry Pi
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CM4-based modules using the CFAF7201280A0_050Tx TFT LCD displays.
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Signed-off-by: Mark Williams <mwp@mwp.id.au>
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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 | 9 ++
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.../crystalfontz-cfa050_pi_m-overlay.dts | 124 ++++++++++++++++++
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3 files changed, 134 insertions(+)
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create mode 100644 arch/arm/boot/dts/overlays/crystalfontz-cfa050_pi_m-overlay.dts
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diff --git a/arch/arm/boot/dts/overlays/Makefile b/arch/arm/boot/dts/overlays/Makefile
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index 15c7b662cee3..62675e2ff896 100644
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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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@@ -40,6 +40,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
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chipdip-dac.dtbo \
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cirrus-wm5102.dtbo \
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cma.dtbo \
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+ crystalfontz-cfa050_pi_m.dtbo \
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cutiepi-panel.dtbo \
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dacberry400.dtbo \
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dht11.dtbo \
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diff --git a/arch/arm/boot/dts/overlays/README b/arch/arm/boot/dts/overlays/README
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index 37f1da9275c8..08fba8e7a20f 100644
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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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@@ -804,6 +804,15 @@ Params: cma-512 CMA is 512MB (needs 1GB)
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cma-default Use upstream's default value
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+Name: crystalfontz-cfa050_pi_m
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+Info: Configures the Crystalfontz CFA050-PI-M series of Raspberry Pi CM4
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+ based modules using the CFA7201280A0_050Tx 7" TFT LCD displays,
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+ with or without capacitive touch screen.
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+ Requires use of vc4-kms-v3d.
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+Load: dtoverlay=crystalfontz-cfa050_pi_m,<param>=<val>
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+Params: captouch Enable capacitive touch display
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+
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+
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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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diff --git a/arch/arm/boot/dts/overlays/crystalfontz-cfa050_pi_m-overlay.dts b/arch/arm/boot/dts/overlays/crystalfontz-cfa050_pi_m-overlay.dts
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new file mode 100644
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index 000000000000..544036589b66
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--- /dev/null
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+++ b/arch/arm/boot/dts/overlays/crystalfontz-cfa050_pi_m-overlay.dts
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@@ -0,0 +1,124 @@
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+/*
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+ * crystalfontz-cfa050_pi_m-overlay.dts
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+ * Configures the Crystalfontz CFA050-PI-M series of modules
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+ * using CFAF7201280A0-050TC/TN panels with RaspberryPi CM4 DSI1
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+ */
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+/dts-v1/;
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+/plugin/;
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+/{
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+// RaspberryPi CM4
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+ compatible = "brcm,bcm2835";
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+// PCF8574 I2C GPIO EXPANDER
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+ fragment@0 {
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+ target = <&i2c_csi_dsi>;
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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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+ pcf8574a: pcf8574a@38 {
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+ reg = <0x38>;
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+ compatible = "nxp,pcf8574";
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+ gpio-controller;
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+ #gpio-cells = <2>;
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+ ngpios = <8>;
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+ gpio-line-names = "TFT_RESET", "TOUCH_RESET", "EXT_P2", "EXT_P3",
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+ "EXT_P4", "EXT_P5", "EXT_P6", "EXT_P7";
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+ };
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+ };
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+ };
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+// LM3630a BACKLIGHT LED CONTROLLER
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+ fragment@1 {
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+ target = <&i2c_csi_dsi>;
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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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+ lm3630a: backlight@36 {
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+ reg = <0x36>;
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+ compatible = "ti,lm3630a";
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ led@0 {
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+ reg = <0>;
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+ led-sources = <0 1>;
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+ label = "lcd-backlight";
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+ default-brightness = <128>;
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+ max-brightness = <255>;
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+ };
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+ };
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+ };
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+ };
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+// CFAF7201280A0_050Tx TFT DSI PANEL
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+ fragment@2 {
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+ target = <&dsi1>;
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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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+ port {
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+ dsi_out: endpoint {
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+ remote-endpoint = <&panel_in>;
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+ };
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+ };
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+ dsi_panel: dsi_panel@0 {
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+ compatible = "crystalfontz,cfaf7201280a0_050tx";
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+ reg = <0>;
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+ reset-gpios = <&pcf8574a 0 1>;
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+ backlight = <&lm3630a>;
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+ fps = <60>;
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+ port {
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+ panel_in: endpoint {
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+ remote-endpoint = <&dsi_out>;
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+ };
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+ };
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+ };
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+ };
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+ };
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+// rPI GPIO INPUT FOR TOUCH IC IRQ
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+ fragment@3 {
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+ target = <&gpio>;
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+ __dormant__ {
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+ gt928intpins: gt928intpins {
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+ brcm,pins = <26>;
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+ brcm,function = <0>;
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+ brcm,pull = <1>;
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+ };
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+ };
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+ };
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+// GT928 TOUCH CONTROLLER IC
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+ fragment@4 {
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+ target = <&i2c_csi_dsi>;
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+ __dormant__ {
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ status = "okay";
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+ gt928@5d {
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+ compatible = "goodix,gt928";
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+ reg = <0x5d>;
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+ interrupt-parent = <&gpio>;
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+ interrupts = <26 2>;
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+ irq-gpios = <&gpio 26 0>;
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+ reset-gpios = <&pcf8574a 1 1>;
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+ touchscreen-inverted-x;
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+ touchscreen-inverted-y;
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+ };
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+ };
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+ };
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+// PCF85063A RTC on I2C
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+ fragment@5 {
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+ target = <&i2c_csi_dsi>;
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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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+ pcf85063a@51 {
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+ compatible = "nxp,pcf85063a";
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+ reg = <0x51>;
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+ };
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+ };
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+ };
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+// CAPACITIVE TOUCH OPTION FOR TFT PANEL
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+ __overrides__ {
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+ captouch = <0>,"+3+4";
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+ };
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+};
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--
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2.33.1
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