[PATCH 1/2] dt-bindings: Document the VC4 DSI module nodes.
Eric Anholt
eric at anholt.net
Tue Jan 24 00:38:52 UTC 2017
These are part of the vc4 display pipeline.
Signed-off-by: Eric Anholt <eric at anholt.net>
---
.../devicetree/bindings/display/brcm,bcm-vc4.txt | 35 ++++++++++++++++++++++
1 file changed, 35 insertions(+)
diff --git a/Documentation/devicetree/bindings/display/brcm,bcm-vc4.txt b/Documentation/devicetree/bindings/display/brcm,bcm-vc4.txt
index e2768703ac2b..34c7fddcea39 100644
--- a/Documentation/devicetree/bindings/display/brcm,bcm-vc4.txt
+++ b/Documentation/devicetree/bindings/display/brcm,bcm-vc4.txt
@@ -56,6 +56,18 @@ Required properties for V3D:
- interrupts: The interrupt number
See bindings/interrupt-controller/brcm,bcm2835-armctrl-ic.txt
+Required properties for DSI:
+- compatible: Should be "brcm,bcm2835-dsi0" or "brcm,bcm2835-dsi1"
+- reg: Physical base address and length of the DSI block's registers
+- interrupts: The interrupt number
+ See bindings/interrupt-controller/brcm,bcm2835-armctrl-ic.txt
+- clocks: a) phy: The DSI PLL clock feeding the DSI analog PHY
+ b) escape: The DSI ESC clock from CPRMAN
+ c) pixel: The DSI pixel clock from CPRMAN
+- clock-output-names:
+ The 3 clocks output from the DSI analog PHY: dsi[01]_byte,
+ dsi[01]_ddr2, and dsi[01]_ddr
+
[1] Documentation/devicetree/bindings/media/video-interfaces.txt
Example:
@@ -99,6 +111,29 @@ dpi: dpi at 7e208000 {
};
};
+dsi1: dsi at 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";
+
+ pitouchscreen: panel at 0 {
+ compatible = "raspberrypi,touchscreen";
+ reg = <0>;
+
+ <...>
+ };
+};
+
vec: vec at 7e806000 {
compatible = "brcm,bcm2835-vec";
reg = <0x7e806000 0x1000>;
--
2.11.0
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