openwrt/target/linux/brcm2708/patches-4.19/950-0159-overlays-Add-an-overlay-for-the-Adafruit-Kippah-with.patch
Álvaro Fernández Rojas 4295485719 brcm2708: add linux 4.19 support
Boot tested on Raspberry Pi B+ (BCM2708) and Raspberry Pi 2 (BCM2709)

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2019-07-14 12:44:14 +02:00

87 lines
2.2 KiB
Diff

From 7c8ccff2dfef1f42ac9e1592a4750b4d9b78ad62 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Fri, 9 Mar 2018 13:20:21 -0800
Subject: [PATCH 159/703] 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>;
+ };
+ };
+ };
+ };
+};