diff options
Diffstat (limited to 'Documentation/devicetree/bindings/drm')
4 files changed, 119 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/drm/tilcdc/panel.txt b/Documentation/devicetree/bindings/drm/tilcdc/panel.txt new file mode 100644 index 000000000000..9301c330d1a6 --- /dev/null +++ b/Documentation/devicetree/bindings/drm/tilcdc/panel.txt @@ -0,0 +1,59 @@ +Device-Tree bindings for tilcdc DRM generic panel output driver + +Required properties: + - compatible: value should be "ti,tilcdc,panel". + - panel-info: configuration info to configure LCDC correctly for the panel + - ac-bias: AC Bias Pin Frequency + - ac-bias-intrpt: AC Bias Pin Transitions per Interrupt + - dma-burst-sz: DMA burst size + - bpp: Bits per pixel + - fdd: FIFO DMA Request Delay + - sync-edge: Horizontal and Vertical Sync Edge: 0=rising 1=falling + - sync-ctrl: Horizontal and Vertical Sync: Control: 0=ignore + - raster-order: Raster Data Order Select: 1=Most-to-least 0=Least-to-most + - fifo-th: DMA FIFO threshold + - display-timings: typical videomode of lcd panel. Multiple video modes + can be listed if the panel supports multiple timings, but the 'native-mode' + should be the preferred/default resolution. Refer to + Documentation/devicetree/bindings/video/display-timing.txt for display + timing binding details. + +Recommended properties: + - pinctrl-names, pinctrl-0: the pincontrol settings to configure + muxing properly for pins that connect to TFP410 device + +Example: + + /* Settings for CDTech_S035Q01 / LCD3 cape: */ + lcd3 { + compatible = "ti,tilcdc,panel"; + pinctrl-names = "default"; + pinctrl-0 = <&bone_lcd3_cape_lcd_pins>; + panel-info { + ac-bias = <255>; + ac-bias-intrpt = <0>; + dma-burst-sz = <16>; + bpp = <16>; + fdd = <0x80>; + sync-edge = <0>; + sync-ctrl = <1>; + raster-order = <0>; + fifo-th = <0>; + }; + display-timings { + native-mode = <&timing0>; + timing0: 320x240 { + hactive = <320>; + vactive = <240>; + hback-porch = <21>; + hfront-porch = <58>; + hsync-len = <47>; + vback-porch = <11>; + vfront-porch = <23>; + vsync-len = <2>; + clock-frequency = <8000000>; + hsync-active = <0>; + vsync-active = <0>; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/drm/tilcdc/slave.txt b/Documentation/devicetree/bindings/drm/tilcdc/slave.txt new file mode 100644 index 000000000000..3d2c52460dca --- /dev/null +++ b/Documentation/devicetree/bindings/drm/tilcdc/slave.txt @@ -0,0 +1,18 @@ +Device-Tree bindings for tilcdc DRM encoder slave output driver + +Required properties: + - compatible: value should be "ti,tilcdc,slave". + - i2c: the phandle for the i2c device the encoder slave is connected to + +Recommended properties: + - pinctrl-names, pinctrl-0: the pincontrol settings to configure + muxing properly for pins that connect to TFP410 device + +Example: + + hdmi { + compatible = "ti,tilcdc,slave"; + i2c = <&i2c0>; + pinctrl-names = "default"; + pinctrl-0 = <&nxp_hdmi_bonelt_pins>; + }; diff --git a/Documentation/devicetree/bindings/drm/tilcdc/tfp410.txt b/Documentation/devicetree/bindings/drm/tilcdc/tfp410.txt new file mode 100644 index 000000000000..a58ae7756fc6 --- /dev/null +++ b/Documentation/devicetree/bindings/drm/tilcdc/tfp410.txt @@ -0,0 +1,21 @@ +Device-Tree bindings for tilcdc DRM TFP410 output driver + +Required properties: + - compatible: value should be "ti,tilcdc,tfp410". + - i2c: the phandle for the i2c device to use for DDC + +Recommended properties: + - pinctrl-names, pinctrl-0: the pincontrol settings to configure + muxing properly for pins that connect to TFP410 device + - powerdn-gpio: the powerdown GPIO, pulled low to power down the + TFP410 device (for DPMS_OFF) + +Example: + + dvicape { + compatible = "ti,tilcdc,tfp410"; + i2c = <&i2c2>; + pinctrl-names = "default"; + pinctrl-0 = <&bone_dvi_cape_dvi_00A1_pins>; + powerdn-gpio = <&gpio2 31 0>; + }; diff --git a/Documentation/devicetree/bindings/drm/tilcdc/tilcdc.txt b/Documentation/devicetree/bindings/drm/tilcdc/tilcdc.txt new file mode 100644 index 000000000000..e5f130159ae1 --- /dev/null +++ b/Documentation/devicetree/bindings/drm/tilcdc/tilcdc.txt @@ -0,0 +1,21 @@ +Device-Tree bindings for tilcdc DRM driver + +Required properties: + - compatible: value should be "ti,am33xx-tilcdc". + - interrupts: the interrupt number + - reg: base address and size of the LCDC device + +Recommended properties: + - interrupt-parent: the phandle for the interrupt controller that + services interrupts for this device. + - ti,hwmods: Name of the hwmod associated to the LCDC + +Example: + + fb: fb@4830e000 { + compatible = "ti,am33xx-tilcdc"; + reg = <0x4830e000 0x1000>; + interrupt-parent = <&intc>; + interrupts = <36>; + ti,hwmods = "lcdc"; + }; |
