From e9277b7e857a4868136bc0b19c61a3b802acdd7d Mon Sep 17 00:00:00 2001
From: brian <brian@vamrs.com>
Date: Wed, 29 Apr 2020 09:55:07 +0800
Subject: [PATCH 95/97] arch: arm64: dts: add gt9xx support

Signed-off-by: brian <brian@vamrs.com>
---
 .../dts/rockchip/overlays-rockpi4/Makefile     |  1 +
 .../boot/dts/rockchip/overlays-rockpi4/README  |  4 ++++
 .../overlays-rockpi4/gt9xx-overlay.dts         | 18 ++++++++++++++++++
 .../rockchip/overlays-rockpi4/hw_intfc.conf    |  3 +++
 .../boot/dts/rockchip/rockpi-4-linux.dtsi      | 10 ++++++++++
 5 files changed, 36 insertions(+)
 create mode 100644 arch/arm64/boot/dts/rockchip/overlays-rockpi4/gt9xx-overlay.dts

diff --git a/arch/arm64/boot/dts/rockchip/overlays-rockpi4/Makefile b/arch/arm64/boot/dts/rockchip/overlays-rockpi4/Makefile
index 7f063a5258b1..a37ba5a6f4c9 100644
--- a/arch/arm64/boot/dts/rockchip/overlays-rockpi4/Makefile
+++ b/arch/arm64/boot/dts/rockchip/overlays-rockpi4/Makefile
@@ -14,6 +14,7 @@ dtbo-$(CONFIG_ARCH_ROCKCHIP) += \
 	hifiberry-dac.dtbo \
 	hifiberry-dacplus.dtbo \
 	raspberrypi-7-inch-lcd.dtbo \
+	gt9xx.dtbo \
 	cpufreq.dtbo \
 	imx219.dtbo \
 	ov5647.dtbo \
diff --git a/arch/arm64/boot/dts/rockchip/overlays-rockpi4/README b/arch/arm64/boot/dts/rockchip/overlays-rockpi4/README
index 24b01d82a341..87b80b27c73d 100644
--- a/arch/arm64/boot/dts/rockchip/overlays-rockpi4/README
+++ b/arch/arm64/boot/dts/rockchip/overlays-rockpi4/README
@@ -180,3 +180,7 @@ Name:   w1-gpio4-30
 Info:   Overlay for activation of 1-wire on GPIO4_D6 for devices such as
         DS18B20.
 Load:   intfc:dtoverlay=w1-gpio4-30
+
+Name:   gt9xx
+Info:   Overlay for activation of gt9xx touchpanel.
+Load:   intfc:dtoverlay=gt9xx
diff --git a/arch/arm64/boot/dts/rockchip/overlays-rockpi4/gt9xx-overlay.dts b/arch/arm64/boot/dts/rockchip/overlays-rockpi4/gt9xx-overlay.dts
new file mode 100644
index 000000000000..d0583ecd0b1e
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/overlays-rockpi4/gt9xx-overlay.dts
@@ -0,0 +1,18 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+	model = "ROCK PI 4B";
+	compatible = "rockchip,rockpi","rockchip,rk3399";
+
+	fragment@0 {
+		target = <&i2c1>;
+
+		__overlay__ {
+			gt9xx: gt9xx@14 {
+				x2y;
+				status = "okay";
+			};
+		};
+	};
+};
diff --git a/arch/arm64/boot/dts/rockchip/overlays-rockpi4/hw_intfc.conf b/arch/arm64/boot/dts/rockchip/overlays-rockpi4/hw_intfc.conf
index 15661550675d..1f16a4454e46 100644
--- a/arch/arm64/boot/dts/rockchip/overlays-rockpi4/hw_intfc.conf
+++ b/arch/arm64/boot/dts/rockchip/overlays-rockpi4/hw_intfc.conf
@@ -56,6 +56,9 @@ intfc:dtoverlay=console-on-ttyS2
 #enable raspberry pi official 7 inch LCD support
 #intfc:dtoverlay=raspberrypi-7-inch-lcd
 
+#enable gt9xx touchpanel
+#intfc:dtoverlay=gt9xx
+
 # setting cpu frequency over-2GHz
 #intfc:dtoverlay=cpufreq
 
-- 
2.25.1