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From 2f44861e2a2d651a9aa62a75343a032fee33e93b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Petter=20Mab=C3=A4cker?= <petter@technux.se>
Date: Fri, 8 Jan 2016 09:02:44 +0100
Subject: [PATCH] dts: add overlay for pitft22 in linux 3.18
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Upstream-Status: Pending
Add the pitft22 overlay from adafruit Adafruit-Pi-Kernel-o-Matic repo:
https://github.com/adafruit/Adafruit-Pi-Kernel-o-Matic
Signed-off-by: Petter Mabäcker <petter@technux.se>
---
arch/arm/boot/dts/overlays/Makefile | 1 +
arch/arm/boot/dts/overlays/pitft22-overlay.dts | 69 ++++++++++++++++++++++++++
2 files changed, 70 insertions(+)
create mode 100755 arch/arm/boot/dts/overlays/pitft22-overlay.dts
diff --git a/arch/arm/boot/dts/overlays/Makefile b/arch/arm/boot/dts/overlays/Makefile
index c766616..1eaaf81 100644
--- a/arch/arm/boot/dts/overlays/Makefile
+++ b/arch/arm/boot/dts/overlays/Makefile
@@ -27,6 +27,7 @@ dtb-$(RPI_DT_OVERLAYS) += mcp2515-can0-overlay.dtb
dtb-$(RPI_DT_OVERLAYS) += mmc-overlay.dtb
dtb-$(RPI_DT_OVERLAYS) += mz61581-overlay.dtb
dtb-$(RPI_DT_OVERLAYS) += piscreen-overlay.dtb
+dtb-$(RPI_DT_OVERLAYS) += pitft22-overlay.dtb
dtb-$(RPI_DT_OVERLAYS) += pitft28-resistive-overlay.dtb
dtb-$(RPI_DT_OVERLAYS) += pps-gpio-overlay.dtb
dtb-$(RPI_DT_OVERLAYS) += rpi-dac-overlay.dtb
diff --git a/arch/arm/boot/dts/overlays/pitft22-overlay.dts b/arch/arm/boot/dts/overlays/pitft22-overlay.dts
new file mode 100755
index 0000000..894ba22
--- /dev/null
+++ b/arch/arm/boot/dts/overlays/pitft22-overlay.dts
@@ -0,0 +1,69 @@
+/*
+ * Device Tree overlay for pitft by Adafruit
+ *
+ */
+
+/dts-v1/;
+/plugin/;
+
+/ {
+ compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709";
+
+ fragment@0 {
+ target = <&spi0>;
+ __overlay__ {
+ status = "okay";
+
+ spidev@0{
+ status = "disabled";
+ };
+
+ spidev@1{
+ status = "disabled";
+ };
+ };
+ };
+
+ fragment@1 {
+ target = <&gpio>;
+ __overlay__ {
+ pitft_pins: pitft_pins {
+ brcm,pins = <25>;
+ brcm,function = <1>; /* out */
+ brcm,pull = <0>; /* none */
+ };
+ };
+ };
+
+ fragment@2 {
+ target = <&spi0>;
+ __overlay__ {
+ /* needed to avoid dtc warning */
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ pitft: pitft@0{
+ compatible = "ilitek,ili9340";
+ reg = <0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pitft_pins>;
+
+ spi-max-frequency = <32000000>;
+ rotate = <90>;
+ fps = <25>;
+ bgr;
+ buswidth = <8>;
+ dc-gpios = <&gpio 25 0>;
+ debug = <0>;
+ };
+
+ };
+ };
+
+ __overrides__ {
+ speed = <&pitft>,"spi-max-frequency:0";
+ rotate = <&pitft>,"rotate:0";
+ fps = <&pitft>,"fps:0";
+ debug = <&pitft>,"debug:0";
+ };
+};
--
1.9.1
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