linux-kernel - Re: [PATCH v2 05/15] dt-bindings: display: mediatek: add OUTPROC yaml for MT8196

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Message-ID: <20250324160234.GA113887-robh@kernel.org>
Date: Mon, 24 Mar 2025 11:02:34 -0500
From: Rob Herring <robh@...nel.org>
To: "paul-pl.chen" <paul-pl.chen@...iatek.com>
Cc: krzk+dt@...nel.org, conor+dt@...nel.org, chunkuang.hu@...nel.org,
	angelogioacchino.delregno@...labora.com, matthias.bgg@...il.com,
	p.zabel@...gutronix.de, jason-jh.lin@...iatek.com,
	nancy.lin@...iatek.com, singo.chang@...iatek.com,
	xiandong.wang@...iatek.com, sirius.wang@...iatek.com,
	sunny.shen@...iatek.com, fshao@...omium.org, treapking@...omium.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	dri-devel@...ts.freedesktop.org, linux-mediatek@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org,
	Project_Global_Chrome_Upstream_Group@...iatek.com
Subject: Re: [PATCH v2 05/15] dt-bindings: display: mediatek: add OUTPROC
 yaml for MT8196

On Fri, Mar 21, 2025 at 05:33:34PM +0800, paul-pl.chen wrote:
> From: Paul-pl Chen <paul-pl.chen@...iatek.com>
> 
> Add mediate,outproc.yaml to support OUTPROC for MT8196.
> MediaTek display overlap output processor, namely OVL_OUTPROC
> or OUTPROC,handles the post-stage of pixel processing in the
> overlapping procedure.
> 
> Signed-off-by: Paul-pl Chen <paul-pl.chen@...iatek.com>
> ---
>  .../display/mediatek/mediatek,outproc.yaml    | 54 +++++++++++++++++++
>  1 file changed, 54 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,outproc.yaml
> 
> diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,outproc.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,outproc.yaml
> new file mode 100644
> index 000000000000..f42e9abc1436
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,outproc.yaml
> @@ -0,0 +1,54 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/mediatek/mediatek,outproc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: MediaTek display overlap output processor
> +
> +maintainers:
> +  - Chun-Kuang Hu <chunkuang.hu@...nel.org>
> +  - Philipp Zabel <p.zabel@...gutronix.de>
> +
> +description: |

Don't need '|' if no formatting to preserve.

> +  MediaTek display overlap output processor, namely OVL_OUTPROC or OUTPROC,
> +  handles the post-stage of pixel processing in the overlapping procedure.
> +  OVL_OUTPROC manages pixels for gamma correction and ensures that pixel
> +  values are within the correct range.
> +
> +properties:
> +  compatible:
> +    const: mediatek,mt8196-outproc
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    #include <dt-bindings/interrupt-controller/irq.h>
> +
> +    soc {
> +        #address-cells = <2>;
> +        #size-cells = <2>;
> +
> +        disp_ovl0_outproc0: outproc@...70000 {

Drop unused labels.

> +            compatible = "mediatek,mt8196-outproc";
> +            reg = <0 0x32970000 0 0x1000>;
> +            clocks = <&ovlsys_config_clk 49>;
> +            interrupts = <GIC_SPI 450 IRQ_TYPE_LEVEL_HIGH 0>;
> +        };
> +    };
> -- 
> 2.45.2
>