Re: [PATCH v2 01/12] dt-binding: mediatek: add bindings for MediaTek 8195 MDP3 components

From: Moudy Ho (何宗原)
Date: Mon Dec 12 2022 - 01:29:13 EST


Hi Rob,

Thanks for helping to review this series.

On Fri, 2022-12-09 at 15:06 -0600, Rob Herring wrote:
> On Wed, Dec 07, 2022 at 04:44:01PM +0800, Moudy Ho wrote:
> > This patch adds support for MT8195 MDP3 RDMA, and introduce more
> > MDP3 components present in MT8195.
> >
> > Signed-off-by: Moudy Ho <moudy.ho@xxxxxxxxxxxx>
> > ---
> > .../bindings/media/mediatek,mdp3-aal.yaml | 64
> > ++++++++++++++++
> > .../bindings/media/mediatek,mdp3-color.yaml | 64
> > ++++++++++++++++
> > .../bindings/media/mediatek,mdp3-fg.yaml | 64
> > ++++++++++++++++
> > .../bindings/media/mediatek,mdp3-hdr.yaml | 63 +++++++++++++++
> > .../bindings/media/mediatek,mdp3-merge.yaml | 64
> > ++++++++++++++++
> > .../bindings/media/mediatek,mdp3-ovl.yaml | 64
> > ++++++++++++++++
> > .../bindings/media/mediatek,mdp3-pad.yaml | 64
> > ++++++++++++++++
> > .../bindings/media/mediatek,mdp3-rdma.yaml | 5 +-
> > .../bindings/media/mediatek,mdp3-split.yaml | 76
> > +++++++++++++++++++
> > .../bindings/media/mediatek,mdp3-stitch.yaml | 64
> > ++++++++++++++++
> > .../bindings/media/mediatek,mdp3-tcc.yaml | 63 +++++++++++++++
> > .../bindings/media/mediatek,mdp3-tdshp.yaml | 64
> > ++++++++++++++++
> > 12 files changed, 717 insertions(+), 2 deletions(-)
> > create mode 100644
> > Documentation/devicetree/bindings/media/mediatek,mdp3-aal.yaml
> > create mode 100644
> > Documentation/devicetree/bindings/media/mediatek,mdp3-color.yaml
> > create mode 100644
> > Documentation/devicetree/bindings/media/mediatek,mdp3-fg.yaml
> > create mode 100644
> > Documentation/devicetree/bindings/media/mediatek,mdp3-hdr.yaml
> > create mode 100644
> > Documentation/devicetree/bindings/media/mediatek,mdp3-merge.yaml
> > create mode 100644
> > Documentation/devicetree/bindings/media/mediatek,mdp3-ovl.yaml
> > create mode 100644
> > Documentation/devicetree/bindings/media/mediatek,mdp3-pad.yaml
> > create mode 100644
> > Documentation/devicetree/bindings/media/mediatek,mdp3-split.yaml
> > create mode 100644
> > Documentation/devicetree/bindings/media/mediatek,mdp3-stitch.yaml
> > create mode 100644
> > Documentation/devicetree/bindings/media/mediatek,mdp3-tcc.yaml
> > create mode 100644
> > Documentation/devicetree/bindings/media/mediatek,mdp3-tdshp.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/media/mediatek,mdp3-
> > aal.yaml b/Documentation/devicetree/bindings/media/mediatek,mdp3-
> > aal.yaml
> > new file mode 100644
> > index 000000000000..5b59e0802357
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/media/mediatek,mdp3-
> > aal.yaml
> > @@ -0,0 +1,64 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id:
> > https://urldefense.com/v3/__http://devicetree.org/schemas/media/mediatek,mdp3-aal.yaml*__;Iw!!CTRNKA9wMg0ARbw!gDIFKWscMU7roNTbdA1-AyzzrxCwA7ErPkkF-OaHo9UU8Y53_SGcVhOwp6dgB9hRhLzmmol53Sqlqg$ ;
> >
> > +$schema:
> > https://urldefense.com/v3/__http://devicetree.org/meta-schemas/core.yaml*__;Iw!!CTRNKA9wMg0ARbw!gDIFKWscMU7roNTbdA1-AyzzrxCwA7ErPkkF-OaHo9UU8Y53_SGcVhOwp6dgB9hRhLzmmolTzbOS7Q$ ;
> >
> > +
> > +title: MediaTek Media Data Path 3 AAL Device Tree Bindings
>
> Drop ' Device Tree Bindings' from titles.
>
> > +
> > +maintainers:
> > + - Matthias Brugger <matthias.bgg@xxxxxxxxx>
> > + - Moudy Ho <moudy.ho@xxxxxxxxxxxx>
> > +
> > +description: |
>
> Don't need '|'
>
> > + One of Media Data Path 3 (MDP3) components is responsible for
> > backlight
> > + power saving and sunlight visibility improving.
> > +
> > +properties:
> > + compatible:
> > + enum:
> > + - mediatek,mt8195-mdp3-aal
> > +
> > + reg:
> > + maxItems: 1
> > +
> > + mediatek,gce-client-reg:
> > + $ref: /schemas/types.yaml#/definitions/phandle-array
> > + items:
> > + items:
> > + - description: phandle of GCE
> > + - description: GCE subsys id
> > + - description: register offset
> > + - description: register size
> > + description: The register of client driver can be configured
> > by gce with
> > + 4 arguments defined in this property. Each GCE subsys id is
> > mapping to
> > + a client defined in the header include/dt-
> > bindings/gce/<chip>-gce.h.
>
> How many 4 cell entries? This allows any number. If 1, then you need
> 'maxItems: 1' with the outer 'items'.
>

Sorry for the confusion here, since the GCE clients are all unique,
I'll add a "maxItems: 1" in this property.

> > +
> > + clocks:
> > + minItems: 1
> > +
> > + power-domains:
> > + maxItems: 1
> > +
> > +required:
> > + - compatible
> > + - reg
> > + - mediatek,gce-client-reg
> > + - clocks
> > + - power-domains
> > +
> > +additionalProperties: false
> > +
> > +examples:
> > + - |
> > + #include <dt-bindings/clock/mt8195-clk.h>
> > + #include <dt-bindings/gce/mt8195-gce.h>
> > + #include <dt-bindings/power/mt8195-power.h>
> > +
> > + mdp3-aal0@14005000 {
> > + compatible = "mediatek,mt8195-mdp3-aal";
> > + reg = <0x14005000 0x1000>;
> > + mediatek,gce-client-reg = <&gce1 SUBSYS_1400XXXX 0x5000
> > 0x1000>;
> > + clocks = <&vppsys0 CLK_VPP0_MDP_AAL>;
> > + power-domains = <&spm MT8195_POWER_DOMAIN_VPPSYS0>;
>
> Indent by 4 spaces here.
>

Apologies for the indentation mismatch, it will be corrected in next
version.

> > + };
>
> Same comments for the rest...
>

Sincerely,
Moudy