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From 2a089ea1c91d13333302ca181643ead14fbc461b Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Thu, 2 Jun 2016 15:09:35 -0700
Subject: [PATCH] BCM270X: Add the DSI and DSI panel nodes to the VC4 overlay.
Signed-off-by: Eric Anholt <eric@anholt.net>
---
arch/arm/boot/dts/bcm2708_common.dtsi | 24 ++++++++++++++++++++--
arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts | 16 +++++++++++++++
2 files changed, 38 insertions(+), 2 deletions(-)
--- a/arch/arm/boot/dts/bcm2708_common.dtsi
+++ b/arch/arm/boot/dts/bcm2708_common.dtsi
@@ -2,6 +2,7 @@
#include <dt-bindings/clock/bcm2835-aux.h>
#include "dt-bindings/power/raspberrypi-power.h"
#include "dt-bindings/gpio/gpio.h"
+#include "dt-bindings/pinctrl/bcm2835.h"
#include "skeleton.dtsi"
/ {
@@ -110,9 +111,10 @@
reg = <0x7e101000 0x2000>;
/* CPRMAN derives everything from the platform's
- * oscillator.
+ * oscillator except for a few clocks that may
+ * derive from something else derived from CPRMAN..
*/
- clocks = <&clk_osc>;
+ clocks = <&clk_osc>, <&dsi1 0>, <&dsi1 1>, <&dsi1 2>;
status = "disabled";
};
@@ -282,6 +284,24 @@
status = "disabled";
};
+ dsi1: dsi@7e700000 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ #clock-cells = <1>;
+
+ compatible = "brcm,bcm2835-dsi1";
+ reg = <0x7e700000 0x8c>;
+ interrupts = <2 12>;
+
+ clocks = <&cprman BCM2835_PLLD_DSI1>,
+ <&cprman BCM2835_CLOCK_DSI1E>,
+ <&cprman BCM2835_CLOCK_DSI1P>;
+ clock-names = "phy", "escape", "pixel";
+ clock-output-names = "dsi1_byte", "dsi1_ddr2", "dsi1_ddr";
+ status = "disabled";
+ power-domains = <&power RPI_POWER_DOMAIN_DSI1>;
+ };
+
i2c1: i2c@7e804000 {
compatible = "brcm,bcm2708-i2c";
reg = <0x7e804000 0x1000>;
--- a/arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts
+++ b/arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts
@@ -126,6 +126,22 @@
};
};
+ fragment@16 {
+ target = <&dsi1>;
+ __overlay__ {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "okay";
+
+ brcm,panel = <&pitouchscreen>;
+
+ pitouchscreen: panel {
+ compatible = "raspberrypi,touchscreen";
+ reg = <0>;
+ };
+ };
+ };
+
__overrides__ {
cma-256 = <0>,"+0-1-2-3-4";
cma-192 = <0>,"-0+1-2-3-4";
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