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Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0445-BCM270X-Add-the-DSI-and-DSI-panel-nodes-to-the-VC4-o.patch')
-rw-r--r--target/linux/brcm2708/patches-4.4/0445-BCM270X-Add-the-DSI-and-DSI-panel-nodes-to-the-VC4-o.patch84
1 files changed, 84 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0445-BCM270X-Add-the-DSI-and-DSI-panel-nodes-to-the-VC4-o.patch b/target/linux/brcm2708/patches-4.4/0445-BCM270X-Add-the-DSI-and-DSI-panel-nodes-to-the-VC4-o.patch
new file mode 100644
index 0000000000..a9a0891312
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.4/0445-BCM270X-Add-the-DSI-and-DSI-panel-nodes-to-the-VC4-o.patch
@@ -0,0 +1,84 @@
+From a5957ee5e1e3605c97c1282c21a0e799f81b49a1 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";