From 467e9cb87261c27b6c70ec714ae3cb58b48d0f6b Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Fri, 9 Mar 2018 13:20:21 -0800
Subject: [PATCH] overlays: Add an overlay for the Adafruit Kippah with
 their 7" panel

Signed-off-by: Eric Anholt <eric@anholt.net>
---
 arch/arm/boot/dts/overlays/Makefile           |  1 +
 arch/arm/boot/dts/overlays/README             |  7 +++
 .../overlays/vc4-kms-kippah-7inch-overlay.dts | 43 +++++++++++++++++++
 3 files changed, 51 insertions(+)
 create mode 100644 arch/arm/boot/dts/overlays/vc4-kms-kippah-7inch-overlay.dts

--- a/arch/arm/boot/dts/overlays/Makefile
+++ b/arch/arm/boot/dts/overlays/Makefile
@@ -134,6 +134,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
 	upstream.dtbo \
 	upstream-aux-interrupt.dtbo \
 	vc4-fkms-v3d.dtbo \
+	vc4-kms-kippah-7inch.dtbo \
 	vc4-kms-v3d.dtbo \
 	vga666.dtbo \
 	w1-gpio.dtbo \
--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
@@ -1920,6 +1920,13 @@ Params: cma-256                 CMA is 2
         cma-64                  CMA is 64MB, 64MB-aligned
 
 
+Name:   vc4-kms-kippah-7inch
+Info:   Enable the Adafruit DPI Kippah with the 7" Ontat panel attached.
+        Requires vc4-kms-v3d to be loaded.
+Load:   dtoverlay=vc4-kms-kippah-7inch
+Params: <None>
+
+
 Name:   vc4-kms-v3d
 Info:   Enable Eric Anholt's DRM VC4 HDMI/HVS/V3D driver. Running startx or
         booting to GUI while this overlay is in use will cause interesting
--- /dev/null
+++ b/arch/arm/boot/dts/overlays/vc4-kms-kippah-7inch-overlay.dts
@@ -0,0 +1,43 @@
+/*
+ * vc4-kms-v3d-overlay.dts
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/pinctrl/bcm2835.h>
+
+/ {
+	compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709";
+
+	fragment@0 {
+		target-path = "/";
+		__overlay__ {
+			panel: panel {
+				compatible = "ontat,yx700wv03", "simple-panel";
+
+				port {
+					panel_in: endpoint {
+						remote-endpoint = <&dpi_out>;
+					};
+				};
+			};
+		};
+	};
+
+	fragment@1 {
+		target = <&dpi>;
+		__overlay__  {
+			status = "okay";
+
+			pinctrl-names = "default";
+			pinctrl-0 = <&dpi_18bit_gpio0>;
+
+			port {
+				dpi_out: endpoint@0 {
+					remote-endpoint = <&panel_in>;
+				};
+			};
+		};
+	};
+};
