On Wed, May 27, 2020 at 05:49:14PM +0200, Maxime Ripard wrote: > The HDMI controllers found in the BCM2711 SoC need some adjustments to the > bindings, especially since the registers have been shuffled around in more > register ranges. > > Cc: Rob Herring <robh...@kernel.org> > Cc: devicet...@vger.kernel.org > Signed-off-by: Maxime Ripard <max...@cerno.tech> > --- > Documentation/devicetree/bindings/display/brcm,bcm2711-hdmi.yaml | 109 > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++- > 1 file changed, 109 insertions(+) > create mode 100644 > Documentation/devicetree/bindings/display/brcm,bcm2711-hdmi.yaml > > diff --git a/Documentation/devicetree/bindings/display/brcm,bcm2711-hdmi.yaml > b/Documentation/devicetree/bindings/display/brcm,bcm2711-hdmi.yaml > new file mode 100644 > index 000000000000..6091fe3d315b > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/brcm,bcm2711-hdmi.yaml > @@ -0,0 +1,109 @@ > +# SPDX-License-Identifier: GPL-2.0
Dual license... > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/display/brcm,bcm2711-hdmi.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Broadcom BCM2711 HDMI Controller Device Tree Bindings > + > +maintainers: > + - Eric Anholt <e...@anholt.net> > + > +properties: > + compatible: > + enum: > + - brcm,bcm2711-hdmi0 > + - brcm,bcm2711-hdmi1 What's the difference between the 2 blocks? > + > + reg: > + items: > + - description: HDMI controller register range > + - description: DVP register range > + - description: HDMI PHY register range > + - description: Rate Manager register range > + - description: Packet RAM register range > + - description: Metadata RAM register range > + - description: CSC register range > + - description: CEC register range > + - description: HD register range > + > + reg-names: > + items: > + - const: hdmi > + - const: dvp > + - const: phy > + - const: rm > + - const: packet > + - const: metadata > + - const: csc > + - const: cec > + - const: hd > + > + clocks: > + description: The HDMI state machine clock > + > + clock-names: > + const: hdmi > + > + ddc: > + allOf: > + - $ref: /schemas/types.yaml#/definitions/phandle > + description: > > + Phandle of the I2C controller used for DDC EDID probing Goes in the connector. And isn't the standard name ddc-i2c-bus? > + > + hpd-gpios: > + description: > > + The GPIO pin for the HDMI hotplug detect (if it doesn't appear > + as an interrupt/status bit in the HDMI controller itself) Goes in the connector. > + > + dmas: > + maxItems: 1 > + description: > > + Should contain one entry pointing to the DMA channel used to > + transfer audio data. > + > + dma-names: > + const: audio-rx > + > + resets: > + maxItems: 1 > + > +required: > + - compatible > + - reg > + - reg-names > + - clocks > + - resets > + - ddc > + > +additionalProperties: false > + > +examples: > + - | > + hdmi0: hdmi@7ef00700 { > + compatible = "brcm,bcm2711-hdmi0"; > + reg = <0x7ef00700 0x300>, > + <0x7ef00300 0x200>, > + <0x7ef00f00 0x80>, > + <0x7ef00f80 0x80>, > + <0x7ef01b00 0x200>, > + <0x7ef01f00 0x400>, > + <0x7ef00200 0x80>, > + <0x7ef04300 0x100>, > + <0x7ef20000 0x100>; > + reg-names = "hdmi", > + "dvp", > + "phy", > + "rm", > + "packet", > + "metadata", > + "csc", > + "cec", > + "hd"; > + clocks = <&firmware_clocks 13>; > + clock-names = "hdmi"; > + resets = <&dvp 0>; > + ddc = <&ddc0>; > + }; > + > +... > -- > git-series 0.9.1
