2b1c6b21b5
As usual these patches were extracted and rebased from the raspberry pi repo: https://github.com/raspberrypi/linux/tree/rpi-4.4.y Also adds support for Raspberry Pi Compute Module 3 (untested). Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
84 lines
2.2 KiB
Diff
84 lines
2.2 KiB
Diff
From 64871d96e1d387437fa52d8398f2212722890bcd Mon Sep 17 00:00:00 2001
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From: Eric Anholt <eric@anholt.net>
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Date: Thu, 2 Jun 2016 15:09:35 -0700
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Subject: [PATCH] BCM270X: Add the DSI and DSI panel nodes to the VC4 overlay.
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Signed-off-by: Eric Anholt <eric@anholt.net>
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---
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arch/arm/boot/dts/bcm2708_common.dtsi | 24 ++++++++++++++++++++--
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arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts | 16 +++++++++++++++
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2 files changed, 38 insertions(+), 2 deletions(-)
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--- a/arch/arm/boot/dts/bcm2708_common.dtsi
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+++ b/arch/arm/boot/dts/bcm2708_common.dtsi
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@@ -2,6 +2,7 @@
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#include <dt-bindings/clock/bcm2835-aux.h>
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#include "dt-bindings/power/raspberrypi-power.h"
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#include "dt-bindings/gpio/gpio.h"
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+#include "dt-bindings/pinctrl/bcm2835.h"
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#include "skeleton.dtsi"
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/ {
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@@ -110,9 +111,10 @@
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reg = <0x7e101000 0x2000>;
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/* CPRMAN derives everything from the platform's
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- * oscillator.
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+ * oscillator except for a few clocks that may
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+ * derive from something else derived from CPRMAN..
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*/
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- clocks = <&clk_osc>;
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+ clocks = <&clk_osc>, <&dsi1 0>, <&dsi1 1>, <&dsi1 2>;
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status = "disabled";
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};
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@@ -282,6 +284,24 @@
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status = "disabled";
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};
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+ dsi1: dsi@7e700000 {
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ #clock-cells = <1>;
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+
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+ compatible = "brcm,bcm2835-dsi1";
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+ reg = <0x7e700000 0x8c>;
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+ interrupts = <2 12>;
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+
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+ clocks = <&cprman BCM2835_PLLD_DSI1>,
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+ <&cprman BCM2835_CLOCK_DSI1E>,
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+ <&cprman BCM2835_CLOCK_DSI1P>;
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+ clock-names = "phy", "escape", "pixel";
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+ clock-output-names = "dsi1_byte", "dsi1_ddr2", "dsi1_ddr";
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+ status = "disabled";
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+ power-domains = <&power RPI_POWER_DOMAIN_DSI1>;
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+ };
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+
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i2c1: i2c@7e804000 {
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compatible = "brcm,bcm2708-i2c";
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reg = <0x7e804000 0x1000>;
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--- a/arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts
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+++ b/arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts
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@@ -126,6 +126,22 @@
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};
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};
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+ fragment@16 {
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+ target = <&dsi1>;
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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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+
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+ brcm,panel = <&pitouchscreen>;
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+
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+ pitouchscreen: panel {
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+ compatible = "raspberrypi,touchscreen";
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+ reg = <0>;
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+ };
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+ };
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+ };
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+
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__overrides__ {
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cma-256 = <0>,"+0-1-2-3-4";
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cma-192 = <0>,"-0+1-2-3-4";
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