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Diffstat (limited to 'target/linux/brcm2708/patches-4.9/0160-ARM-bcm2835-dt-Add-the-DSI-module-nodes-and-clocks.patch')
-rw-r--r--target/linux/brcm2708/patches-4.9/0160-ARM-bcm2835-dt-Add-the-DSI-module-nodes-and-clocks.patch101
1 files changed, 101 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.9/0160-ARM-bcm2835-dt-Add-the-DSI-module-nodes-and-clocks.patch b/target/linux/brcm2708/patches-4.9/0160-ARM-bcm2835-dt-Add-the-DSI-module-nodes-and-clocks.patch
new file mode 100644
index 0000000000..444c287eed
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.9/0160-ARM-bcm2835-dt-Add-the-DSI-module-nodes-and-clocks.patch
@@ -0,0 +1,101 @@
+From fc25cd03ca1c696dacb74d2006c0f176ce800566 Mon Sep 17 00:00:00 2001
+From: Eric Anholt <eric@anholt.net>
+Date: Tue, 13 Dec 2016 15:15:10 -0800
+Subject: [PATCH] ARM: bcm2835: dt: Add the DSI module nodes and clocks.
+
+The modules stay disabled by default, and if you want to enable DSI
+you'll need an overlay that connects a panel to it.
+
+Signed-off-by: Eric Anholt <eric@anholt.net>
+---
+ arch/arm/boot/dts/bcm2835-rpi.dtsi | 8 +++++++
+ arch/arm/boot/dts/bcm283x.dtsi | 49 +++++++++++++++++++++++++++++++++++---
+ 2 files changed, 54 insertions(+), 3 deletions(-)
+
+--- a/arch/arm/boot/dts/bcm2835-rpi.dtsi
++++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi
+@@ -84,3 +84,11 @@
+ power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
+ status = "okay";
+ };
++
++&dsi0 {
++ power-domains = <&power RPI_POWER_DOMAIN_DSI0>;
++};
++
++&dsi1 {
++ power-domains = <&power RPI_POWER_DOMAIN_DSI1>;
++};
+--- a/arch/arm/boot/dts/bcm283x.dtsi
++++ b/arch/arm/boot/dts/bcm283x.dtsi
+@@ -93,10 +93,13 @@
+ #clock-cells = <1>;
+ reg = <0x7e101000 0x2000>;
+
+- /* CPRMAN derives everything from the platform's
+- * oscillator.
++ /* CPRMAN derives almost everything from the
++ * platform's oscillator. However, the DSI
++ * pixel clocks come from the DSI analog PHY.
+ */
+- clocks = <&clk_osc>;
++ clocks = <&clk_osc>,
++ <&dsi0 0>, <&dsi0 1>, <&dsi0 2>,
++ <&dsi1 0>, <&dsi1 1>, <&dsi1 2>;
+ };
+
+ rng@7e104000 {
+@@ -188,6 +191,26 @@
+ interrupts = <2 14>; /* pwa1 */
+ };
+
++ dsi0: dsi@7e209000 {
++ compatible = "brcm,bcm2835-dsi0";
++ reg = <0x7e209000 0x78>;
++ interrupts = <2 4>;
++ #address-cells = <1>;
++ #size-cells = <0>;
++ #clock-cells = <1>;
++
++ clocks = <&clocks BCM2835_PLLA_DSI0>,
++ <&clocks BCM2835_CLOCK_DSI0E>,
++ <&clocks BCM2835_CLOCK_DSI0P>;
++ clock-names = "phy", "escape", "pixel";
++
++ clock-output-names = "dsi0_byte",
++ "dsi0_ddr2",
++ "dsi0_ddr";
++
++ status = "disabled";
++ };
++
+ aux: aux@0x7e215000 {
+ compatible = "brcm,bcm2835-aux";
+ #clock-cells = <1>;
+@@ -247,6 +270,26 @@
+ interrupts = <2 1>;
+ };
+
++ dsi1: dsi@7e700000 {
++ compatible = "brcm,bcm2835-dsi1";
++ reg = <0x7e700000 0x8c>;
++ interrupts = <2 12>;
++ #address-cells = <1>;
++ #size-cells = <0>;
++ #clock-cells = <1>;
++
++ clocks = <&clocks BCM2835_PLLD_DSI1>,
++ <&clocks BCM2835_CLOCK_DSI1E>,
++ <&clocks BCM2835_CLOCK_DSI1P>;
++ clock-names = "phy", "escape", "pixel";
++
++ clock-output-names = "dsi1_byte",
++ "dsi1_ddr2",
++ "dsi1_ddr";
++
++ status = "disabled";
++ };
++
+ i2c1: i2c@7e804000 {
+ compatible = "brcm,bcm2835-i2c";
+ reg = <0x7e804000 0x1000>;