Re: [PATCH 3/5] dt-bindings: display/msm: Add SM7250 MDSS

From: Krzysztof Kozlowski

Date: Mon Nov 02 2026 - 07:13:21 EST


On Sat, Oct 31, 2026 at 01:23:39PM +0530, Ishu Brar wrote:
> Add the binding for the SM7250 Mobile Display Subsystem. It has the
> same clocks and children as the SM8250 one, so it is modeled on
> qcom,sm8250-mdss.yaml. The example uses the SM8250 clock and

No DisplayPort?

> interconnect headers, as the SM7250 ones are not upstream yet.
>
> Signed-off-by: Ishu Brar <patches@xxxxxxx>
> ---
> .../bindings/display/msm/qcom,sm7250-mdss.yaml | 351 +++++++++++++++++++++
> 1 file changed, 351 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/display/msm/qcom,sm7250-mdss.yaml b/Documentation/devicetree/bindings/display/msm/qcom,sm7250-mdss.yaml
> new file mode 100644
> index 000000000000..aada943e0cf3
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/msm/qcom,sm7250-mdss.yaml
> @@ -0,0 +1,351 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/msm/qcom,sm7250-mdss.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm SM7250 Display MDSS
> +
> +maintainers:
> + - Ishu Brar <patches@xxxxxxx>
> +
> +description:
> + Device tree bindings for MSM Mobile Display Subsystem(MDSS) that encapsulates

s/Device tree bindings for MSM Mobile/SM7250 MSM Mobile/

> + sub-blocks like DPU display controller, DSI and DP interfaces etc. Device tree
> + bindings of MDSS are mentioned for SM7250 target.
> +
> +$ref: /schemas/display/msm/mdss-common.yaml#
> +
> +properties:
> + compatible:
> + const: qcom,sm7250-mdss
> +
> + clocks:
> + items:
> + - description: Display AHB clock from gcc
> + - description: Display hf axi clock
> + - description: Display sf axi clock
> + - description: Display core clock
> +
> + clock-names:
> + items:
> + - const: iface
> + - const: bus
> + - const: nrt_bus
> + - const: core
> +
> + iommus:
> + maxItems: 1
> +
> + interconnects:
> + items:
> + - description: Interconnect path from mdp0 port to the data bus
> + - description: Interconnect path from mdp1 port to the data bus
> + - description: Interconnect path from CPU to the reg bus
> +
> + interconnect-names:
> + items:
> + - const: mdp0-mem
> + - const: mdp1-mem
> + - const: cpu-cfg
> +
> +patternProperties:
> + "^display-controller@[0-9a-f]+$":
> + type: object
> + additionalProperties: true
> +

Drop blank line

> + properties:
> + compatible:
> + const: qcom,sm7250-dpu
> +
> + "^dsi@[0-9a-f]+$":
> + type: object
> + additionalProperties: true
> +

Drop blank line

> + properties:
> + compatible:
> + items:
> + - const: qcom,sm7250-dsi-ctrl
> + - const: qcom,mdss-dsi-ctrl
> +
> + "^phy@[0-9a-f]+$":
> + type: object
> + additionalProperties: true
> +

Drop blank line

> + properties:
> + compatible:
> + const: qcom,dsi-phy-7nm

Best regards,
Krzysztof