Thread (13 messages) 13 messages, 3 authors, 2022-02-10

Re: [PATCH v2, 1/7] dt-bindings: media: mtk-vcodec: Adds decoder dt-bindings for lat soc

From: "yunfei.dong@mediatek.com" <yunfei.dong@mediatek.com>
Date: 2022-02-10 10:00:05
Also in: dri-devel, linux-devicetree, linux-media, linux-mediatek, lkml

Hi AngeloGioacchino,

Thanks for your suggestion.
On Thu, 2022-02-10 at 09:40 +0100, AngeloGioacchino Del Regno wrote:
Il 10/02/22 04:06, yunfei.dong@mediatek.com ha scritto:
quoted
Hi Rob,

Thanks for your suggestion.
On Wed, 2022-02-09 at 14:37 -0600, Rob Herring wrote:
quoted
On Fri, Jan 28, 2022 at 11:54:34AM +0800, Yunfei Dong wrote:
quoted
Adds decoder dt-bindings for compatible "mediatek,mtk-vcodec-
lat-
soc".
What's lat soc? How does this relate to what's already there in
this
binding.
lat soc is another hardware, is related with some vdec larb ports.
Won't be used to decode, but must to write it in dtsi, or hardware
can't work well.
Hello Yunfei,

as a suggestion, writing the meaning of the "LAT" acronym may also
I'm very sorry, I can't write the meaning of the "LAT" acronym. You can
regards it as an hardware.
help to clear some doubts around (please, also do that in the yaml
file,
other than the commit description).
I will add detail message for this hardware in next patch. And this
hardware only be used for mt8195 at now.
Thank you!
Angelo
Best Regards,
Yunfei Dong
quoted
Need to enable clock/power/iommus, no interrupt.
quoted
The subject space is limited, avoid saying the same thing twice
(dt-bindings).
Best Regards,
Yunfei Dong
quoted
quoted
Signed-off-by: Yunfei Dong <yunfei.dong@mediatek.com>
---
  .../media/mediatek,vcodec-subdev-decoder.yaml | 49
+++++++++++++++++++
  1 file changed, 49 insertions(+)

diff --git
a/Documentation/devicetree/bindings/media/mediatek,vcodec-
subdev-
decoder.yaml
b/Documentation/devicetree/bindings/media/mediatek,vcodec-
subdev-
decoder.yaml
index 6415c9f29130..a3c892338ac0 100644
--- a/Documentation/devicetree/bindings/media/mediatek,vcodec-
subdev-decoder.yaml
+++ b/Documentation/devicetree/bindings/media/mediatek,vcodec-
subdev-decoder.yaml
@@ -189,6 +189,55 @@ patternProperties:
  
      additionalProperties: false
  
+  '^vcodec-lat-soc@[0-9a-f]+$':
+    type: object
+
+    properties:
+      compatible:
+        const: mediatek,mtk-vcodec-lat-soc
+
+      reg:
+        maxItems: 1
+
+      iommus:
+        minItems: 1
+        maxItems: 32
+        description: |
+          List of the hardware port in respective IOMMU block
for
current Socs.
+          Refer to bindings/iommu/mediatek,iommu.yaml.
+
+      clocks:
+        maxItems: 5
+
+      clock-names:
+        items:
+          - const: sel
+          - const: soc-vdec
+          - const: soc-lat
+          - const: vdec
+          - const: top
+
+      assigned-clocks:
+        maxItems: 1
+
+      assigned-clock-parents:
+        maxItems: 1
+
+      power-domains:
+        maxItems: 1
+
+    required:
+      - compatible
+      - reg
+      - iommus
+      - clocks
+      - clock-names
+      - assigned-clocks
+      - assigned-clock-parents
+      - power-domains
+
+    additionalProperties: false
+
  required:
    - compatible
    - reg
-- 
2.25.1
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