linux-kernel - Re: [PATCH v12 08/11] media: staging: dt-bindings: add Rockchip ISP1 yaml bindings

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Date:   Wed, 8 Jan 2020 20:08:54 +0200
From:   Sakari Ailus <sakari.ailus@...ux.intel.com>
To:     Helen Koike <helen.koike@...labora.com>
Cc:     linux-rockchip@...ts.infradead.org, mark.rutland@....com,
        devicetree@...r.kernel.org, eddie.cai.linux@...il.com,
        mchehab@...nel.org, heiko@...ech.de, gregkh@...uxfoundation.org,
        andrey.konovalov@...aro.org, linux-kernel@...r.kernel.org,
        tfiga@...omium.org, robh+dt@...nel.org, hans.verkuil@...co.com,
        laurent.pinchart@...asonboard.com, joacim.zetterling@...il.com,
        kernel@...labora.com, ezequiel@...labora.com,
        linux-media@...r.kernel.org, jacob-chen@...wrt.com,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v12 08/11] media: staging: dt-bindings: add Rockchip ISP1
 yaml bindings

On Wed, Jan 08, 2020 at 01:50:38PM -0300, Helen Koike wrote:
> Hi,
> 
> Thank you for your review.
> 
> On 1/7/20 12:01 PM, Sakari Ailus wrote:
> > Hi Helen,
> > 
> > On Fri, Dec 27, 2019 at 05:01:13PM -0300, Helen Koike wrote:
> >> Add yaml DT bindings for Rockchip ISP1.
> >>
> >> This was tested and verified with:
> >> mv drivers/staging/media/rkisp1/Documentation/devicetree/bindings/media/rockchip-isp1.yaml Documentation/devicetree/bindings/media/
> >> make dt_binding_check DT_SCHEMA_FILES=Documentation/devicetree/bindings/media/rockchip-isp1.yaml
> >> make dtbs_check DT_SCHEMA_FILES=Documentation/devicetree/bindings/media/rockchip-isp1.yaml
> >>
> >> Signed-off-by: Helen Koike <helen.koike@...labora.com>
> >>
> >> ---
> >>
> >> Changes in v12:
> >> - The commit replaces the following commit in previous series named
> >> media: staging: dt-bindings: Document the Rockchip ISP1 bindings
> >> This new patch adds yaml binding and was verified with
> >> make dtbs_check and make dt_binding_check
> >>
> >> Changes in v11:
> >> - add clock-names values
> >>
> >> Changes in v10:
> >> - unsquash
> >>
> >> Changes in v9:
> >> - squash
> >> - move to staging
> >>
> >> Changes in v8:
> >> - fix title division style
> >>
> >> Changes in v7:
> >> - update document with new design and tested example
> >>
> >>  .../bindings/media/rockchip-isp1.yaml         | 193 ++++++++++++++++++
> >>  1 file changed, 193 insertions(+)
> >>  create mode 100644 drivers/staging/media/rkisp1/Documentation/devicetree/bindings/media/rockchip-isp1.yaml
> >>
> >> diff --git a/drivers/staging/media/rkisp1/Documentation/devicetree/bindings/media/rockchip-isp1.yaml b/drivers/staging/media/rkisp1/Documentation/devicetree/bindings/media/rockchip-isp1.yaml
> >> new file mode 100644
> >> index 000000000000..4d1b2c67a4cd
> >> --- /dev/null
> >> +++ b/drivers/staging/media/rkisp1/Documentation/devicetree/bindings/media/rockchip-isp1.yaml
> >> @@ -0,0 +1,193 @@
> >> +# SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> >> +%YAML 1.2
> >> +---
> >> +$id: http://devicetree.org/schemas/media/rockchip-isp1.yaml#
> >> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> >> +
> >> +title: Rockchip SoC Image Signal Processing unit v1
> >> +
> >> +maintainers:
> >> +  - Helen Koike <helen.koike@...labora.com>
> >> +
> >> +description: |
> >> +  Rockchip ISP1 is the Camera interface for the Rockchip series of SoCs
> >> +  which contains image processing, scaling, and compression funcitons.
> > 
> > "functions"
> > 
> >> +
> >> +properties:
> >> +  compatible:
> >> +    const: rockchip,rk3399-cif-isp
> >> +
> >> +  reg:
> >> +    maxItems: 1
> >> +
> >> +  interrupts:
> >> +    maxItems: 1
> >> +
> >> +  iommus:
> >> +    maxItems: 1
> >> +
> >> +  power-domains:
> >> +    maxItems: 1
> >> +
> >> +  phys:
> >> +    maxItems: 1
> >> +    description: phandle for the PHY port
> >> +
> >> +  phy-names:
> >> +    const: dphy
> >> +
> >> +  clocks:
> >> +    items:
> >> +      - description: ISP clock
> >> +      - description: ISP aclk clock
> >> +      - description: ISP aclk wrapper clock
> >> +      - description: ISP hclk clock
> >> +      - description: ISP hclk wrapper clock
> >> +
> >> +  clock-names:
> >> +    items:
> >> +      - const: clk_isp
> >> +      - const: aclk_isp
> >> +      - const: aclk_isp_wrap
> >> +      - const: hclk_isp
> >> +      - const: hclk_isp_wrap
> >> +
> >> +  # See ./video-interfaces.txt for details
> >> +  ports:
> >> +    type: object
> >> +    additionalProperties: false
> >> +
> >> +    properties:
> >> +      "#address-cells":
> >> +        const: 1
> >> +
> >> +      "#size-cells":
> >> +        const: 0
> >> +
> >> +      port@0:
> > 
> > If you only have a single port node, you could drop reg as well as @0 on
> > the port node.
> 
> After the discussions, we have a single port for now, but we might have port@1
> for tx1rx1 in the future.

Ack. Please keep it as-is then.

-- 
Sakari Ailus
sakari.ailus@...ux.intel.com