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101 lines
2.4 KiB
Diff
101 lines
2.4 KiB
Diff
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From 818fff9eed1c36f404f0556a0b239b43799a094b Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Date: Tue, 10 Nov 2020 17:49:35 +0000
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Subject: [PATCH] Add devicetree support for RaspberryPi 7" panel over
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DSI I2C
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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---
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arch/arm/boot/dts/overlays/Makefile | 1 +
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arch/arm/boot/dts/overlays/README | 8 +++
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.../overlays/vc4-kms-dsi-7inch-overlay.dts | 56 +++++++++++++++++++
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3 files changed, 65 insertions(+)
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create mode 100644 arch/arm/boot/dts/overlays/vc4-kms-dsi-7inch-overlay.dts
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--- a/arch/arm/boot/dts/overlays/Makefile
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+++ b/arch/arm/boot/dts/overlays/Makefile
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@@ -201,6 +201,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
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upstream.dtbo \
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upstream-pi4.dtbo \
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vc4-fkms-v3d.dtbo \
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+ vc4-kms-dsi-7inch.dtbo \
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vc4-kms-kippah-7inch.dtbo \
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vc4-kms-v3d.dtbo \
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vc4-kms-v3d-pi4.dtbo \
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--- a/arch/arm/boot/dts/overlays/README
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+++ b/arch/arm/boot/dts/overlays/README
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@@ -2935,6 +2935,14 @@ Params: cma-512 CMA is 5
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cma-default Use upstream's default value
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+Name: vc4-kms-dsi-7inch
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+Info: Enable the Raspberry Pi DSI 7" screen.
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+ Use edt-ft5406 for the touchscreen element.
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+ Requires vc4-kms-v3d to be loaded.
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+Load: dtoverlay=vc4-kms-dsi-7inch
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+Params: <None>
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+
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+
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Name: vc4-kms-kippah-7inch
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Info: Enable the Adafruit DPI Kippah with the 7" Ontat panel attached.
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Requires vc4-kms-v3d to be loaded.
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--- /dev/null
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+++ b/arch/arm/boot/dts/overlays/vc4-kms-dsi-7inch-overlay.dts
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@@ -0,0 +1,56 @@
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+/*
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+ * Device Tree overlay for RaspberryPi 7" Touchscreen panel
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+ *
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+ */
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+
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+/dts-v1/;
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+/plugin/;
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+
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+/ {
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+ compatible = "brcm,bcm2835";
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+
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+ fragment@0 {
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+ target = <&dsi1>;
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+ __overlay__ {
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+ #address-cells = <1>; size-cells = <0>;
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+ status = "okay";
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+ port {
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+ dsi_out_port: endpoint {
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+ remote-endpoint = <&panel_dsi_port>;
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+ };
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+ };
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+ };
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+ };
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+
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+ fragment@1 {
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+ target = <&i2c_csi_dsi>;
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+ __overlay__ {
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ status = "okay";
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+ lcd@45 {
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+ compatible = "raspberrypi,7inch-touchscreen-panel";
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+ reg = <0x45>;
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+ port {
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+ panel_dsi_port: endpoint {
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+ remote-endpoint = <&dsi_out_port>;
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+ };
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+ };
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+ };
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+ };
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+ };
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+
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+ fragment@2 {
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+ target = <&i2c0if>;
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+ __overlay__ {
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+ status = "okay";
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+ };
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+ };
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+
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+ fragment@3 {
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+ target = <&i2c0mux>;
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+ __overlay__ {
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+ status = "okay";
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+ };
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+ };
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+};
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