Re: [PATCH v5 4/7] dt-bindings: media: camss: Add qcom,sdm670-camss

Krzysztof Kozlowski
2024-10-01T06:53:25Z

On Mon, Sep 30, 2024 at 10:35:25PM -0400, Richard Acayan wrote:
> As found in the Pixel 3a, the Snapdragon 670 has a camera subsystem with
> 3 CSIDs and 3 VFEs (including 1 VFE lite). Add this camera subsystem to
> the bindings.
>
> Adapted from SC8280XP camera subsystem.
>
> Signed-off-by: Richard Acayan <mailingradian@gmail.com>
> ---
> .../bindings/media/qcom,sdm670-camss.yaml | 318 ++++++++++++++++++
> 1 file changed, 318 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/media/qcom,sdm670-camss.yaml
>
> diff --git a/Documentation/devicetree/bindings/media/qcom,sdm670-camss.yaml b/Documentation/devicetree/bindings/media/qcom,sdm670-camss.yaml
> new file mode 100644
> index 000000000000..06662460a25c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/qcom,sdm670-camss.yaml
> @@ -0,0 +1,318 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/qcom,sdm670-camss.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm SDM670 Camera Subsystem (CAMSS)
> +
> +maintainers:
> + - Richard Acayan <mailingradian@gmail.com>
> +
> +description:
> + The CAMSS IP is a CSI decoder and ISP present on Qualcomm platforms.
> +
> +properties:
> + compatible:
> + const: qcom,sdm670-camss
> +
> + reg:
> + maxItems: 9
> +
> + reg-names:
> + items:
> + - const: csiphy0
> + - const: csiphy1
> + - const: csiphy2
> + - const: vfe0
> + - const: csid0
> + - const: vfe1
> + - const: csid1
> + - const: vfe_lite
> + - const: csid2

Why this order is so different than all others? This is supposed to
match other devices. Look at sdm845 for example.

> +
> + clocks:
> + maxItems: 22
> +
> + clock-names:
> + items:
> + - const: gcc_camera_ahb
> + - const: gcc_camera_axi
> + - const: soc_ahb
> + - const: camnoc_axi
> + - const: cpas_ahb
> + - const: csi0
> + - const: csi1
> + - const: csi2
> + - const: csiphy0
> + - const: csiphy0_timer
> + - const: csiphy1
> + - const: csiphy1_timer
> + - const: csiphy2
> + - const: csiphy2_timer
> + - const: vfe0_axi
> + - const: vfe0
> + - const: vfe0_cphy_rx
> + - const: vfe1_axi
> + - const: vfe1
> + - const: vfe1_cphy_rx
> + - const: vfe_lite
> + - const: vfe_lite_cphy_rx

Same comment.

> +
> + interrupts:
> + maxItems: 9
> +
> + interrupt-names:
> + items:
> + - const: csid0
> + - const: csid1
> + - const: csid2
> + - const: csiphy0
> + - const: csiphy1
> + - const: csiphy2
> + - const: vfe0
> + - const: vfe1
> + - const: vfe_lite

This one is ok.

> +
> + iommus:

Best regards,
Krzysztof