Add documentation for the devicetree bindings of the DRM driver for the
JZ47xx family of SoCs from Ingenic.
Signed-off-by: Paul Cercueil <p...@crapouillou.net>
Tested-by: Artur Rojek <cont...@artur-rojek.eu>
---
.../devicetree/bindings/display/ingenic,drm.txt | 30 ++++++++++++++++++++++
1 file changed, 30 insertions(+)
create mode 100644 Documentation/devicetree/bindings/display/ingenic,drm.txt
diff --git a/Documentation/devicetree/bindings/display/ingenic,drm.txt
b/Documentation/devicetree/bindings/display/ingenic,drm.txt
new file mode 100644
index 000000000000..52a368ec35cd
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/ingenic,drm.txt
@@ -0,0 +1,30 @@
+Ingenic JZ47xx DRM driver
+
+Required properties:
+- compatible: one of:
+ * ingenic,jz4740-drm
+ * ingenic,jz4725b-drm
+- reg: LCD registers location and length
+- clocks: LCD pixclock and device clock specifiers.
+ The device clock is only required on the JZ4740.
+- clock-names: "lcd_pclk" and "lcd"
+- interrupts: Specifies the interrupt line the LCD controller is connected to.
+
+Optional properties:
+- ingenic,panel: phandle to a display panel, if one is present
+- ingenic,lcd-mode: LCD mode to use with the display panel.
+ See <dt-bindings/display/ingenic,drm.h> for all the
+ possible values.
+
+Example:
+
+lcd: lcd-controller@13050000 {
+ compatible = "ingenic,jz4725b-drm";
+ reg = <0x13050000 0x1000>;
+
+ interrupt-parent = <&intc>;
+ interrupts = <31>;
+
+ clocks = <&cgu JZ4725B_CLK_LCD>;
+ clock-names = "lcd";
+};
--
2.11.0
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