| Message ID | 2d7202155bae3fa9c7097275d4c9a1ccab569aea.1582744379.git.hns@goldelico.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | MIPS: CI20: add HDMI out support | expand |
On Wed, Feb 26, 2020 at 08:12:54PM +0100, H. Nikolaus Schaller wrote: > From: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com> > > Add DT bindings for the hdmi driver for the Ingenic JZ4780 SoC. > > Signed-off-by: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com> > --- > .../bindings/display/ingenic-jz4780-hdmi.txt | 41 +++++++++++++++++++ > 1 file changed, 41 insertions(+) > create mode 100644 Documentation/devicetree/bindings/display/ingenic-jz4780-hdmi.txt > > diff --git a/Documentation/devicetree/bindings/display/ingenic-jz4780-hdmi.txt b/Documentation/devicetree/bindings/display/ingenic-jz4780-hdmi.txt > new file mode 100644 > index 000000000000..f02e59fbdd5a > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/ingenic-jz4780-hdmi.txt > @@ -0,0 +1,41 @@ > +Device-Tree bindings for Ingenic JZ4780 HDMI Transmitter > + > +The HDMI Transmitter in the Ingenic JZ4780 is a Synopsys DesignWare HDMI 1.4 > +TX controller IP with accompanying PHY IP. > + > +Required properties: > + - #address-cells : should be <1> > + - #size-cells : should be <0> These aren't in the example. > + - compatible : should be "ingenic,jz4780-hdmi" > + - reg-io-width: must be <4> If it can only be 4, then you can just assume that from the compatible. > + - clocks: phandle to isrf and iahb clocks > + - clock-names : must be "isrf" and "iahb" > + - ports: Port nodes with endpoint definitions as defined in > + Documentation/devicetree/bindings/media/video-interfaces.txt, > + > +Optional properties: > + - ddc-i2c-bus: phandle of an I2C controller used for DDC EDID probing This goes in a connector node. It's not part of the HDMI block. That also means you need an out port to the connector. > + > +example: > + > +hdmi: hdmi@10180000 { > + compatible = "ingenic,jz4780-hdmi"; > + reg = <0x10180000 0x8000>; > + reg-io-width = <4>; > + ddc-i2c-bus = <&i2c4>; > + interrupt-parent = <&intc>; > + interrupts = <3>; > + clocks = <&cgu JZ4780_CLK_HDMI>, <&cgu JZ4780_CLK_AHB0>; > + clock-names = "isfr", "iahb"; > + > + ports { > + hdmi_in: port { > + #address-cells = <1>; > + #size-cells = <0>; > + hdmi_in_lcd: endpoint@0 { > + reg = <0>; > + remote-endpoint = <&jz4780_out_hdmi>; > + }; > + }; > + }; > +}; > -- > 2.23.0 >
diff --git a/Documentation/devicetree/bindings/display/ingenic-jz4780-hdmi.txt b/Documentation/devicetree/bindings/display/ingenic-jz4780-hdmi.txt new file mode 100644 index 000000000000..f02e59fbdd5a --- /dev/null +++ b/Documentation/devicetree/bindings/display/ingenic-jz4780-hdmi.txt @@ -0,0 +1,41 @@ +Device-Tree bindings for Ingenic JZ4780 HDMI Transmitter + +The HDMI Transmitter in the Ingenic JZ4780 is a Synopsys DesignWare HDMI 1.4 +TX controller IP with accompanying PHY IP. + +Required properties: + - #address-cells : should be <1> + - #size-cells : should be <0> + - compatible : should be "ingenic,jz4780-hdmi" + - reg-io-width: must be <4> + - clocks: phandle to isrf and iahb clocks + - clock-names : must be "isrf" and "iahb" + - ports: Port nodes with endpoint definitions as defined in + Documentation/devicetree/bindings/media/video-interfaces.txt, + +Optional properties: + - ddc-i2c-bus: phandle of an I2C controller used for DDC EDID probing + +example: + +hdmi: hdmi@10180000 { + compatible = "ingenic,jz4780-hdmi"; + reg = <0x10180000 0x8000>; + reg-io-width = <4>; + ddc-i2c-bus = <&i2c4>; + interrupt-parent = <&intc>; + interrupts = <3>; + clocks = <&cgu JZ4780_CLK_HDMI>, <&cgu JZ4780_CLK_AHB0>; + clock-names = "isfr", "iahb"; + + ports { + hdmi_in: port { + #address-cells = <1>; + #size-cells = <0>; + hdmi_in_lcd: endpoint@0 { + reg = <0>; + remote-endpoint = <&jz4780_out_hdmi>; + }; + }; + }; +};