linux-mediatek.lists.infradead.org archive mirror
 help / color / mirror / Atom feed
From: CK Hu <ck.hu@mediatek.com>
To: Markus Schneider-Pargmann <msp@baylibre.com>
Cc: Chun-Kuang Hu <chunkuang.hu@kernel.org>,
	Philipp Zabel <p.zabel@pengutronix.de>,
	<dri-devel@lists.freedesktop.org>,
	<linux-mediatek@lists.infradead.org>,
	<linux-arm-kernel@lists.infradead.org>
Subject: Re: [RFC PATCH 1/5] dt-bindings: mediatek,dpi: Add mt8195 dpintf
Date: Wed, 18 Aug 2021 12:45:46 +0800	[thread overview]
Message-ID: <1629261946.11678.5.camel@mtksdaap41> (raw)
In-Reply-To: <20210816192523.1739365-2-msp@baylibre.com>

Hi, Markus:

On Mon, 2021-08-16 at 21:25 +0200, Markus Schneider-Pargmann wrote:
> DP_INTF is similar to the actual dpi. They differ in some points
> regarding registers and what needs to be set but the function blocks
> itself are similar in design.
> 
> Signed-off-by: Markus Schneider-Pargmann <msp@baylibre.com>
> ---
>  .../display/mediatek/mediatek,dpi.yaml        | 48 ++++++++++++++++---
>  1 file changed, 42 insertions(+), 6 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
> index dd2896a40ff0..de4bdacd83ac 100644
> --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
> +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
> @@ -4,7 +4,7 @@
>  $id: https://urldefense.com/v3/__http://devicetree.org/schemas/display/mediatek/mediatek,dpi.yaml*__;Iw!!CTRNKA9wMg0ARbw!z5TyPvbq3ZLHjRPscOHigUMlikjhtJMFrEQqemcjQZa4NaXBE9tzMnDFMa1qYg$ 
>  $schema: https://urldefense.com/v3/__http://devicetree.org/meta-schemas/core.yaml*__;Iw!!CTRNKA9wMg0ARbw!z5TyPvbq3ZLHjRPscOHigUMlikjhtJMFrEQqemcjQZa4NaXBE9tzMnAjuBCxsg$ 
> 
> -title: mediatek DPI Controller Device Tree Bindings
> +title: mediatek DPI/DP_INTF Controller Device Tree Bindings
>  
>  maintainers:
>    - CK Hu <ck.hu@mediatek.com>
> @@ -13,7 +13,8 @@ maintainers:
>  description: |
>    The Mediatek DPI function block is a sink of the display subsystem and
>    provides 8-bit RGB/YUV444 or 8/10/10-bit YUV422 pixel data on a parallel
> -  output bus.
> +  output bus. The Mediatek DP_INTF is a similar function block that is
> +  connected to the (embedded) display port function block.
>  
>  properties:
>    compatible:
> @@ -23,6 +24,7 @@ properties:
>        - mediatek,mt8173-dpi
>        - mediatek,mt8183-dpi
>        - mediatek,mt8192-dpi
> +      - mediatek,mt8195-dpintf

I've reviewed the modification in driver, it seems that dpintf is almost
the same as dpi. Why use the name "dpintf"? I could accept this name
only it's defined by hardware data sheet.

Regards,
CK

>  
>    reg:
>      maxItems: 1
> @@ -37,10 +39,11 @@ properties:
>        - description: DPI PLL
>  
>    clock-names:
> -    items:
> -      - const: pixel
> -      - const: engine
> -      - const: pll
> +    description:
> +      For dpi clocks pixel, engine and pll are required. For dpintf pixel, pll,
> +      pll_d2, pll_d4, pll_d8, pll_d16, hf_fmm, hf_fdp are required.
> +    minItems: 3
> +    maxItems: 8
>  
>    pinctrl-0: true
>    pinctrl-1: true
> @@ -64,6 +67,39 @@ required:
>    - clock-names
>    - port
>  
> +allOf:
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - mediatek,mt8195-dpintf
> +    then:
> +      properties:
> +        clocks:
> +          minItems: 8
> +          maxItems: 8
> +        clock-names:
> +          items:
> +            - const: pixel
> +            - const: pll
> +            - const: pll_d2
> +            - const: pll_d4
> +            - const: pll_d8
> +            - const: pll_d16
> +            - const: hf_fmm
> +            - const: hf_fdp
> +    else:
> +      properties:
> +        clocks:
> +          minItems: 3
> +          maxItems: 3
> +        clock-names:
> +          items:
> +            - const: pixel
> +            - const: engine
> +            - const: pll
> +
>  additionalProperties: false
>  
>  examples:

_______________________________________________
Linux-mediatek mailing list
Linux-mediatek@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-mediatek

  reply	other threads:[~2021-08-18  4:46 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-16 19:25 [RFC PATCH 0/5] drm/mediatek: Add mt8195 DisplayPort driver Markus Schneider-Pargmann
2021-08-16 19:25 ` [RFC PATCH 1/5] dt-bindings: mediatek,dpi: Add mt8195 dpintf Markus Schneider-Pargmann
2021-08-18  4:45   ` CK Hu [this message]
2021-08-18  7:30     ` Markus Schneider-Pargmann
2021-08-16 19:25 ` [RFC PATCH 2/5] drm/mediatek: dpi: Add dpintf support Markus Schneider-Pargmann
2021-08-17  9:50   ` CK Hu
2021-08-18  7:26     ` Markus Schneider-Pargmann
2021-08-16 19:25 ` [RFC PATCH 3/5] drm/edid: Add cea_sad helpers for freq/length Markus Schneider-Pargmann
2021-08-16 19:25 ` [RFC PATCH 4/5] video/hdmi: Add audio_infoframe packing for DP Markus Schneider-Pargmann
2021-08-16 19:25 ` [RFC PATCH 5/5] drm/mediatek: Add mt8195 DisplayPort driver Markus Schneider-Pargmann
2021-08-16 21:36   ` Sam Ravnborg
2021-08-17  7:31     ` Markus Schneider-Pargmann
2021-08-17  5:36   ` CK Hu
2021-08-17  7:35     ` Markus Schneider-Pargmann
2021-08-18  4:42   ` CK Hu

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1629261946.11678.5.camel@mtksdaap41 \
    --to=ck.hu@mediatek.com \
    --cc=chunkuang.hu@kernel.org \
    --cc=dri-devel@lists.freedesktop.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-mediatek@lists.infradead.org \
    --cc=msp@baylibre.com \
    --cc=p.zabel@pengutronix.de \
    --subject='Re: [RFC PATCH 1/5] dt-bindings: mediatek,dpi: Add mt8195 dpintf' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).