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8299d1f057
Rebased RPi foundation patches on linux 5.10.59, removed applied and reverted patches, wireless patches and defconfig patches. bcm2708: boot tested on RPi B+ v1.2 bcm2709: boot tested on RPi 4B v1.1 4G bcm2711: boot tested on RPi 4B v1.1 4G Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
101 lines
3.2 KiB
Diff
101 lines
3.2 KiB
Diff
From 6c6596610381249719e87e324a9689cabc2a7cd8 Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.com>
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Date: Thu, 18 Feb 2021 21:05:44 +0000
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Subject: [PATCH] overlays: Add minipitft13 overlay
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minipitft13 is an overlay for the Adafruit 1.3" 240x240 display
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(code 4484).
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See: https://github.com/raspberrypi/firmware/issues/1524
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Signed-off-by: Phil Elwell <phil@raspberrypi.com>
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---
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arch/arm/boot/dts/overlays/Makefile | 1 +
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.../boot/dts/overlays/minipitft13-overlay.dts | 70 +++++++++++++++++++
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2 files changed, 71 insertions(+)
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create mode 100644 arch/arm/boot/dts/overlays/minipitft13-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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@@ -119,6 +119,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
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merus-amp.dtbo \
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midi-uart0.dtbo \
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midi-uart1.dtbo \
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+ minipitft13.dtbo \
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miniuart-bt.dtbo \
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mmc.dtbo \
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mpu6050.dtbo \
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--- /dev/null
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+++ b/arch/arm/boot/dts/overlays/minipitft13-overlay.dts
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@@ -0,0 +1,70 @@
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+/*
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+ * Device Tree overlay for Adafruit Mini PiTFT 1.3" and 1.5" 240x240 Display
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+ *
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+ */
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+
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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,bcm2835";
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+
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+ fragment@0 {
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+ target = <&spi0>;
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+ __overlay__ {
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+ status = "okay";
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+
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+ spidev@0{
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+ status = "disabled";
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+ };
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+
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+ spidev@1{
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+ status = "disabled";
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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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+ pitft_pins: pitft_pins {
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+ brcm,pins = <25>;
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+ brcm,function = <1>; /* out */
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+ brcm,pull = <0>; /* none */
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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 = <&spi0>;
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+ __overlay__ {
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+ /* needed to avoid dtc warning */
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+
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+ pitft: pitft@0 {
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+ compatible = "fbtft,minipitft13";
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+ reg = <0>;
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&pitft_pins>;
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+ spi-max-frequency = <32000000>;
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+ rotate = <0>;
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+ width = <240>;
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+ height = <240>;
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+ buswidth = <8>;
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+ dc-gpios = <&gpio 25 0>;
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+ led-gpios = <&gpio 26 0>;
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+ debug = <0>;
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+ };
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+ };
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+ };
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+
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+ __overrides__ {
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+ speed = <&pitft>,"spi-max-frequency:0";
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+ rotate = <&pitft>,"rotate:0";
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+ width = <&pitft>,"width:0";
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+ height = <&pitft>,"height:0";
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+ fps = <&pitft>,"fps:0";
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+ debug = <&pitft>,"debug:0";
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+ };
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+};
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