On Mon, Feb 24, 2020 at 10:07:30AM +0100, 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+dt@xxxxxxxxxx>
> Cc: devicetree@xxxxxxxxxxxxxxx
> Signed-off-by: Maxime Ripard <maxime@xxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/display/brcm,bcm2835-hdmi.yaml | 118 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++------
> 1 file changed, 109 insertions(+), 9 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/display/brcm,bcm2835-hdmi.yaml b/Documentation/devicetree/bindings/display/brcm,bcm2835-hdmi.yaml
> index 52b3cdac0bdf..a9d24e1cf684 100644
> --- a/Documentation/devicetree/bindings/display/brcm,bcm2835-hdmi.yaml
> +++ b/Documentation/devicetree/bindings/display/brcm,bcm2835-hdmi.yaml
> @@ -11,24 +11,58 @@ maintainers:
>
> properties:
> compatible:
> - const: brcm,bcm2835-hdmi
> + enum:
> + - brcm,bcm2835-hdmi
> + - brcm,bcm2711-hdmi0
> + - brcm,bcm2711-hdmi1
>
> reg:
> + oneOf:
> + - items:
> + - description: HDMI register range
> + - description: HD register range
> +
> + - 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:
> - - description: HDMI register range
> - - description: HD register range
> + - const: hdmi
> + - const: dvp
> + - const: phy
> + - const: rm
> + - const: packet
> + - const: metadata
> + - const: csc
> + - const: cec
> + - const: hd
Don't you want 'hd' 2nd or need to define the 2 entry case separately?
Really, I think this should be 2 files. All but interrupts and ddc have
a difference.
>
> interrupts:
> minItems: 2
>
> clocks:
> - items:
> - - description: The pixel clock
> - - description: The HDMI state machine clock
> + oneOf:
> + - items:
> + - description: The pixel clock
> + - description: The HDMI state machine clock
> +
> + - items:
> + - description: The HDMI state machine clock
>
> clock-names:
> - items:
> - - const: pixel
> + oneOf:
> + - items:
> + - const: pixel
> + - const: hdmi
> +
> - const: hdmi
>
> ddc:
> @@ -51,15 +85,54 @@ properties:
> dma-names:
> const: audio-rx
>
> + resets:
> + maxItems: 1
> +
> required:
> - compatible
> - reg
> - - interrupts
> - clocks
> - ddc
>
> additionalProperties: false
>
> +if:
> + properties:
> + compatible:
> + contains:
> + enum:
> + - brcm,bcm2711-hdmi0
> + - brcm,bcm2711-hdmi1
> +
> +then:
> + properties:
> + reg:
> + minItems: 9
> +
> + clocks:
> + maxItems: 1
> +
> + clock-names:
> + maxItems: 1
> +
> + required:
> + - reg-names
> + - resets
> +
> +else:
> + properties:
> + reg:
> + maxItems: 2
> +
> + clocks:
> + minItems: 2
> +
> + clock-names:
> + minItems: 2
> +
> + required:
> + - interrupts
> +
> examples:
> - |
> #include <dt-bindings/clock/bcm2835.h>
> @@ -77,4 +150,31 @@ examples:
> clock-names = "pixel", "hdmi";
> };
>
> + - |
> + 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
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