[PATCH v17 03/21] dt-bindings: mediatek: add ethdr definition for mt8195
Nancy.Lin
nancy.lin at mediatek.com
Wed Apr 27 19:25:26 PDT 2022
Hi Philipp,
Thanks for the review.
On Mon, 2022-04-25 at 11:54 +0200, Philipp Zabel wrote:
> Hi Nancy,
>
> On Sa, 2022-04-16 at 10:07 +0800, Nancy.Lin wrote:
> > Add vdosys1 ETHDR definition.
> >
> > Signed-off-by: Nancy.Lin <nancy.lin at mediatek.com>
> > Reviewed-by: Chun-Kuang Hu <chunkuang.hu at kernel.org>
> > Reviewed-by: AngeloGioacchino Del Regno <
> > angelogioacchino.delregno at collabora.com>
> > ---
> > .../display/mediatek/mediatek,ethdr.yaml | 158
> > ++++++++++++++++++
> > 1 file changed, 158 insertions(+)
> > create mode 100644
> > Documentation/devicetree/bindings/display/mediatek/mediatek,ethdr.y
> > aml
> >
> > diff --git
> > a/Documentation/devicetree/bindings/display/mediatek/mediatek,ethdr
> > .yaml
> > b/Documentation/devicetree/bindings/display/mediatek/mediatek,ethdr
> > .yaml
> > new file mode 100644
> > index 000000000000..e8303c28a361
> > --- /dev/null
> > +++
> > b/Documentation/devicetree/bindings/display/mediatek/mediatek,ethdr
> > .yaml
> > @@ -0,0 +1,158 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id:
> > https://urldefense.com/v3/__http://devicetree.org/schemas/display/mediatek/mediatek,ethdr.yaml*__;Iw!!CTRNKA9wMg0ARbw!zcXKSpPDpWKl7v-NJE7CCYQtbPpEYQazXsfVX8MAZeNc0RwE7UdQucLql2QskJLk$
> >
> > +$schema:
> > https://urldefense.com/v3/__http://devicetree.org/meta-schemas/core.yaml*__;Iw!!CTRNKA9wMg0ARbw!zcXKSpPDpWKl7v-NJE7CCYQtbPpEYQazXsfVX8MAZeNc0RwE7UdQucLql2fDD2NQ$
> >
> > +
> > +title: Mediatek Ethdr Device Tree Bindings
> > +
> > +maintainers:
> > + - Chun-Kuang Hu <chunkuang.hu at kernel.org>
> > + - Philipp Zabel <p.zabel at pengutronix.de>
> > +
> > +description: |
> > + ETHDR is designed for HDR video and graphics conversion in the
> > external display path.
> > + It handles multiple HDR input types and performs tone mapping,
> > color space/color
> > + format conversion, and then combine different layers, output the
> > required HDR or
> > + SDR signal to the subsequent display path. This engine is
> > composed of two video
> > + frontends, two graphic frontends, one video backend and a mixer.
> > ETHDR has two
> > + DMA function blocks, DS and ADL. These two function blocks read
> > the pre-programmed
> > + registers from DRAM and set them to HW in the v-blanking period.
> > +
> > +properties:
> > + compatible:
> > + items:
> > + - const: mediatek,mt8195-disp-ethdr
> > + reg:
> > + maxItems: 7
> > + reg-names:
> > + items:
> > + - const: mixer
> > + - const: vdo_fe0
> > + - const: vdo_fe1
> > + - const: gfx_fe0
> > + - const: gfx_fe1
> > + - const: vdo_be
> > + - const: adl_ds
> > + interrupts:
> > + minItems: 1
> > + iommus:
> > + description: The compatible property is DMA function blocks.
> > + Should point to the respective IOMMU block with master port
> > as argument,
> > + see
> > Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml for
> > + details.
> > + minItems: 1
> > + maxItems: 2
> > + clocks:
> > + items:
> > + - description: mixer clock
> > + - description: video frontend 0 clock
> > + - description: video frontend 1 clock
> > + - description: graphic frontend 0 clock
> > + - description: graphic frontend 1 clock
> > + - description: video backend clock
> > + - description: autodownload and menuload clock
> > + - description: video frontend 0 async clock
> > + - description: video frontend 1 async clock
> > + - description: graphic frontend 0 async clock
> > + - description: graphic frontend 1 async clock
> > + - description: video backend async clock
> > + - description: ethdr top clock
> > + clock-names:
> > + items:
> > + - const: mixer
> > + - const: vdo_fe0
> > + - const: vdo_fe1
> > + - const: gfx_fe0
> > + - const: gfx_fe1
> > + - const: vdo_be
> > + - const: adl_ds
> > + - const: vdo_fe0_async
> > + - const: vdo_fe1_async
> > + - const: gfx_fe0_async
> > + - const: gfx_fe1_async
> > + - const: vdo_be_async
> > + - const: ethdr_top
> > + power-domains:
> > + maxItems: 1
> > + resets:
> > + maxItems: 5
>
> Please add a reset-names property and name these resets.
>
> regards
> Philipp
OK, I will fix it in the next revision.
Regards,
Nancy
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