From d4fa9706ca934f9f86df9283fdf5ba55f1eefec6 Mon Sep 17 00:00:00 2001
From: Fedora Kernel Team <kernel-team@fedoraproject.org>
Date: Mon, 9 Apr 2018 15:01:43 -0400
Subject: [PATCH 1/1] hack support for the pitft28-capacitive into the rpi-3-b
 dts

---
 arch/arm/boot/dts/bcm2837-rpi-3-b.dts | 60 +++++++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)

diff --git a/arch/arm/boot/dts/bcm2837-rpi-3-b.dts b/arch/arm/boot/dts/bcm2837-rpi-3-b.dts
index 3e87ed0..e44e72b 100644
--- a/arch/arm/boot/dts/bcm2837-rpi-3-b.dts
+++ b/arch/arm/boot/dts/bcm2837-rpi-3-b.dts
@@ -95,3 +95,56 @@
 	status = "okay";
 	bus-width = <4>;
 };
+
+/* Support for the Adafruit PiTFT 2.8" capacitive touch screen */
+
+&gpio {
+	spi0_pins: spi0_pins {
+		brcm,pins = <9 10 11>;
+		brcm,function = <BCM2835_FSEL_ALT0>;
+	};
+	spi0_cs_pins: spi0_cs_pins {
+		brcm,pins = <8 7>;
+		brcm,function = <BCM2835_FSEL_GPIO_OUT>;
+	};
+	pitft_pins: pitft_pins {
+		brcm,pins = <24 25>;
+		brcm,function = <0 1>; /* in out */
+		brcm,pull = <2 0>; /* pullup none */
+	};
+};
+
+&spi {
+	pinctrl-names = "default";
+	pinctrl-0 = <&spi0_pins &spi0_cs_pins>;
+	cs-gpios = <&gpio 8 GPIO_ACTIVE_LOW>, <&gpio 7 GPIO_ACTIVE_LOW>;
+	status = "okay";
+	dmas = <&dma 6>, <&dma 7>;
+	dma-names = "tx", "rx";
+
+	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>;
+	};
+};
+
+&i2c1 {
+	ft6236: ft6236@38 {
+		compatible = "focaltech,ft6236";
+		reg = <0x38>;
+		interrupt-parent = <&gpio>;
+		interrupts = <24 2>;
+		touchscreen-size-x = <240>;
+		touchscreen-size-y = <320>;
+	};
+};
-- 
2.16.2