| Message ID | 20190414200824.28348-1-paul@crapouillou.net (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v3,1/3] dt-bindings: Add doc for the ingenic-drm driver | expand |
On Sun, Apr 14, 2019 at 3:08 PM Paul Cercueil <paul@crapouillou.net> wrote: > > Add documentation for the devicetree bindings of the DRM driver for the DRM is a Linuxism. What is the LCD controller h/w block called? > JZ47xx family of SoCs from Ingenic. > > Signed-off-by: Paul Cercueil <paul@crapouillou.net> > Tested-by: Artur Rojek <contact@artur-rojek.eu> > --- > > 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"; 'simple-panel' is not a valid compatible string. > + > + 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 >
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>; + }; + }; +};