Add documentation for the devicetree bindings of the DRM driver for the
JZ47xx family of SoCs from Ingenic.
Signed-off-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx>
Tested-by: Artur Rojek <contact@xxxxxxxxxxxxxx>
---
Notes:
v2: Remove ingenic,panel property.
v3: - Rename compatible strings from ingenic,jz47XX-drm to ingenic,jz47XX-lcd
- The ingenic,lcd-mode property is now read from the panel node instead
of from the driver node
.../devicetree/bindings/display/ingenic,drm.txt | 53 ++++++++++++++++++++++
1 file changed, 53 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..9de47db8a515
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/ingenic,drm.txt
@@ -0,0 +1,53 @@
+Ingenic JZ47xx DRM driver
+
+Required properties:
+- compatible: one of:
+ * ingenic,jz4740-lcd
+ * ingenic,jz4725b-lcd
+- 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 in the panel mode:
+- ingenic,lcd-mode: LCD mode to use with the display panel.
+ See <dt-bindings/display/ingenic,drm.h> for all the
+ possible values.
+
+Example:
+
+#include <dt-bindings/display/ingenic,drm.h>
+
+panel {
+ compatible = "sharp,ls020b1dd01d", "simple-panel";
+
+ backlight = <&backlight>;
+ power-supply = <&vcc>;
+
+ ingenic,lcd-mode = <JZ_LCD_SPECIAL_TFT_2>;
+
+ port {
+ panel_input: endpoint {
+ remote-endpoint = <&panel_output>;
+ };
+ };
+};
+
+
+lcd: lcd-controller@13050000 {
+ compatible = "ingenic,jz4725b-lcd";
+ reg = <0x13050000 0x1000>;
+
+ interrupt-parent = <&intc>;
+ interrupts = <31>;
+
+ clocks = <&cgu JZ4725B_CLK_LCD>;
+ clock-names = "lcd";
+
+ port {
+ panel_output: endpoint {
+ remote-endpoint = <&panel_input>;
+ };
+ };
+};
--
2.11.0
