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3fc661a98c
As usual these patches were extracted from the raspberry pi repo: https://github.com/raspberrypi/linux/tree/rpi-4.4.y Also alphabetically order sound-soc kernel packages. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
124 lines
4.1 KiB
Diff
124 lines
4.1 KiB
Diff
From 56fa6791fbd2021cec1eeb45462b2ad3d1631a05 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Petter=20Mab=C3=A4cker?= <petter@technux.se>
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Date: Fri, 8 Jan 2016 09:02:44 +0100
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Subject: [PATCH 307/381] dts: add overlay for pitft22
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Add the pitft22 overlay from adafruit Adafruit-Pi-Kernel-o-Matic repo:
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https://github.com/adafruit/Adafruit-Pi-Kernel-o-Matic
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Signed-off-by: Petter Mabäcker <petter@technux.se>
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Signed-off-by: Andrei Gherzan <andrei@resin.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 | 12 +++++
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arch/arm/boot/dts/overlays/pitft22-overlay.dts | 69 ++++++++++++++++++++++++++
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3 files changed, 82 insertions(+)
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create mode 100644 arch/arm/boot/dts/overlays/pitft22-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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@@ -51,6 +51,7 @@ dtbo-$(RPI_DT_OVERLAYS) += pi3-disable-b
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dtbo-$(RPI_DT_OVERLAYS) += pi3-miniuart-bt.dtbo
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dtbo-$(RPI_DT_OVERLAYS) += piscreen.dtbo
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dtbo-$(RPI_DT_OVERLAYS) += piscreen2r.dtbo
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+dtbo-$(RPI_DT_OVERLAYS) += pitft22.dtbo
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dtbo-$(RPI_DT_OVERLAYS) += pitft28-capacitive.dtbo
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dtbo-$(RPI_DT_OVERLAYS) += pitft28-resistive.dtbo
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dtbo-$(RPI_DT_OVERLAYS) += pps-gpio.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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@@ -644,6 +644,18 @@ Params: speed Display
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xohms Touchpanel sensitivity (X-plate resistance)
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+Name: pitft22
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+Info: Adafruit PiTFT 2.2" screen
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+Load: dtoverlay=pitft22,<param>=<val>
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+Params: speed Display SPI bus speed
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+
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+ rotate Display rotation {0,90,180,270}
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+
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+ fps Delay between frame updates
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+
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+ debug Debug output level {0-7}
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+
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+
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Name: pitft28-capacitive
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Info: Adafruit PiTFT 2.8" capacitive touch screen
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Load: dtoverlay=pitft28-capacitive,<param>=<val>
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--- /dev/null
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+++ b/arch/arm/boot/dts/overlays/pitft22-overlay.dts
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@@ -0,0 +1,69 @@
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+/*
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+ * Device Tree overlay for pitft by Adafruit
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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", "brcm,bcm2708", "brcm,bcm2709";
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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 = "ilitek,ili9340";
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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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+
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+ spi-max-frequency = <32000000>;
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+ rotate = <90>;
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+ fps = <25>;
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+ bgr;
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+ buswidth = <8>;
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+ dc-gpios = <&gpio 25 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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+
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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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+ fps = <&pitft>,"fps:0";
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+ debug = <&pitft>,"debug:0";
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+ };
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+};
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