On Mon, Mar 01, 2021 at 12:22:26PM +0100, Parshuram Thombare wrote:
> Add binding changes for HDCP in the MHDP8546 DPI/DP bridge binding.
> This binding is not used in any upstreamed DTS yet, so changing
> index of property 'j721e-intg' should not affect anything.
TI folks might disagree, but weren't Cc'ed.
>
> Signed-off-by: Parshuram Thombare <pthombar@xxxxxxxxxxx>
> ---
> .../display/bridge/cdns,mhdp8546.yaml | 29 ++++++++++++-------
> 1 file changed, 19 insertions(+), 10 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8546.yaml b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8546.yaml
> index 63427878715e..5fdadadaac16 100644
> --- a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8546.yaml
> +++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8546.yaml
> @@ -17,21 +17,24 @@ properties:
> - ti,j721e-mhdp8546
>
> reg:
> - minItems: 1
> - maxItems: 2
> + minItems: 2
> + maxItems: 3
> items:
> - description:
> Register block of mhdptx apb registers up to PHY mapped area (AUX_CONFIG_P).
> The AUX and PMA registers are not part of this range, they are instead
> included in the associated PHY.
> + - description:
> + Register block of mhdptx sapb registers.
> - description:
> Register block for DSS_EDP0_INTG_CFG_VP registers in case of TI J7 SoCs.
>
> reg-names:
> - minItems: 1
> - maxItems: 2
> + minItems: 2
> + maxItems: 3
> items:
> - const: mhdptx
> + - const: mhdptx-sapb
> - const: j721e-intg
>
> clocks:
> @@ -53,6 +56,11 @@ properties:
> power-domains:
> maxItems: 1
>
> + hdcp-config:
> + maxItems: 1
> + description:
> + HDCP version supported. Bit [0]:HDCP2.2 [1]:HDCP1.4.
2.2 is not backwards compatible with 1.4? What's the setting if not
present? Maybe just a 'disable 2.2 boolean' if that's the non-common
case.
In any case, it needs a type and constraints on the values.
> +
> interrupts:
> maxItems: 1
>
> @@ -98,15 +106,15 @@ allOf:
> then:
> properties:
> reg:
> - minItems: 2
> + minItems: 3
> reg-names:
> - minItems: 2
> + minItems: 3
> else:
> properties:
> reg:
> - maxItems: 1
> + maxItems: 2
> reg-names:
> - maxItems: 1
> + maxItems: 2
>
> required:
> - compatible
> @@ -129,8 +137,9 @@ examples:
>
> mhdp: dp-bridge@f0fb000000 {
> compatible = "cdns,mhdp8546";
> - reg = <0xf0 0xfb000000 0x0 0x1000000>;
> - reg-names = "mhdptx";
> + reg = <0xf0 0xfb000000 0x0 0x1000000>,
> + <0x0 0x4f48000 0x0 0x74>;
> + reg-names = "mhdptx", "mhdptx-sapb";
> clocks = <&mhdp_clock>;
> phys = <&dp_phy>;
> phy-names = "dpphy";
> --
> 2.25.1
>
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