[PATCH v6 04/18] dt-bindings: soc: starfive: Add starfive,jh7110-hdmi-subsystem

[Michal Wilczynski]

On 10/29/26 18:38, Rob Herring (Arm) wrote:
> 
> On Thu, 29 Oct 2026 08:53:38 +0100, Michal Wilczynski wrote:
>> Add the dt-binding for the StarFive JH7110 HDMI subsystem.
>>
>> The JH7110 HDMI IP is a monolithic block containing both the digital
>> controller and analog PHY in a single register space. This binding
>> defines the parent device, which holds the shared register map, and its
>> two children: the PHY and the controller.
>>
>> The two have separate resources. The PHY takes the 24 MHz reference
>> clock and provides both the pixel clock, which the VOUT clock generator
>> routes on to the display controller, and the phy the controller uses.
>> The controller takes its clocks from the VOUT clock generator. What
>> they share is the register space, which the parent maps.
>>
>> Reviewed-by: Rob Herring (Arm) <robh at kernel.org>
>> Signed-off-by: Michal Wilczynski <m.wilczynski at samsung.com>
>> ---
>>  .../starfive/starfive,jh7110-hdmi-subsystem.yaml   | 95 ++++++++++++++++++++++
>>  1 file changed, 95 insertions(+)
>>
> 
> My bot found errors running 'make dt_binding_check' on your patch:
> 
> yamllint warnings/errors:
> 
> dtschema/dtc warnings/errors:
> /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-hdmi-subsystem.yaml: Unresolvable reference: /schemas/phy/starfive,jh7110-inno-hdmi-phy.yaml#
> Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-hdmi-subsystem.example.dtb: hdmi at 29590000 (starfive,jh7110-hdmi-subsystem): phy: False schema does not allow {'compatible': ['starfive,jh7110-inno-hdmi-phy'], '#clock-cells': 0, 'clocks': [[4294967295]], '#phy-cells': 0, 'phandle': 2}
> 	from schema $id: https://protect2.fireeye.com/v1/url?k=e93a78e1-88b16dd1-e93bf3ae-000babffaa23-e7f80dd3ed8ff65f&q=1&e=27d4095f-5012-49f1-94e3-a63fd9693348&u=http%3A%2F%2Fdevicetree.org%2Fschemas%2Fsoc%2Fstarfive%2Fstarfive%2Cjh7110-hdmi-subsystem.yaml
> Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-hdmi-subsystem.example.dtb: /example-0/soc/hdmi at 29590000/phy: failed to match any schema with compatible: ['starfive,jh7110-inno-hdmi-phy']
> 

This patch depends on the JH7110 HDMI PHY series which adds
starfive,jh7110-inno-hdmi-phy.yaml [1].

With that series applied dt_binding_check is clean.

[1] - https://lore.kernel.org/all/20261028-jh7110-inno-hdmi-phy-v6-0-f3379684d97e@samsung.com/

Best regards,
-- 
Michal Wilczynski <m.wilczynski at samsung.com>