Thread (28 messages) 28 messages, 3 authors, 2021-08-25

Re: [PATCH v8 03/13] dt-bindings: mediatek: add mediatek,dsc.yaml for mt8195 SoC binding

From: Jason-JH Lin <hidden>
Date: 2021-08-24 18:01:32
Also in: dri-devel, linux-mediatek

Hi Chun-Kuang,

Thanks for the review.

On Sun, 2021-08-22 at 07:14 +0800, Chun-Kuang Hu wrote:
Hi, Jason:

jason-jh.lin [off-list ref] 於 2021年8月19日 週四 上午10:23寫道:
quoted
1. Add mediatek,dsc.yaml to describe DSC module in details.
2. Add mt8195 SoC binding to mediatek,dsc.yaml.

Signed-off-by: jason-jh.lin <redacted>
---
 .../display/mediatek/mediatek,dsc.yaml        | 69
+++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644
Documentation/devicetree/bindings/display/mediatek/mediatek,dsc.yam
l

diff --git
a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsc.y
aml
b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsc.y
aml
new file mode 100644
index 000000000000..f94a95c6a1c5
--- /dev/null
+++
b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsc.y
aml
@@ -0,0 +1,69 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: 
https://urldefense.com/v3/__http://devicetree.org/schemas/display/mediatek/mediatek,dsc.yaml*__;Iw!!CTRNKA9wMg0ARbw!2qwvJnFTgJzfk1n0OVXqGlPjYco2bBUZtWFzb4n8gzHXyFFJZ7MT4QWO4RDznHmSWyiO$
 
+$schema: 
https://urldefense.com/v3/__http://devicetree.org/meta-schemas/core.yaml*__;Iw!!CTRNKA9wMg0ARbw!2qwvJnFTgJzfk1n0OVXqGlPjYco2bBUZtWFzb4n8gzHXyFFJZ7MT4QWO4RDznNC1w7FX$
 
+
+title: mediatek display DSC controller
+
+maintainers:
+  - CK Hu [off-list ref]
According to [1], the maintainer should be

Chun-Kuang Hu [off-list ref], Philipp Zabel <
p.zabel@pengutronix.de>

[1] 
https://urldefense.com/v3/__https://www.kernel.org/doc/html/latest/process/maintainers.html__;!!CTRNKA9wMg0ARbw!2qwvJnFTgJzfk1n0OVXqGlPjYco2bBUZtWFzb4n8gzHXyFFJZ7MT4QWO4RDznMdx7tAe$
 
OK, I'll fix it and also the [PATCH v8 02/13] in this series.

Regards,
Jason-JH.Lin
quoted
+
+description: |
+  The DSC standard is a specification of the algorithms used for
+  compressing and decompressing image display streams, including
+  the specification of the syntax and semantics of the compressed
+  video bit stream. DSC is designed for real-time systems with
+  real-time compression, transmission, decompression and Display.
+
+properties:
+  compatible:
+    oneOf:
+      - items:
+          - const: mediatek,mt8195-disp-dsc
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: DSC Wrapper Clock
+
+  power-domains:
+    description: A phandle and PM domain specifier as defined by
bindings of
+      the power controller specified by phandle. See
+      Documentation/devicetree/bindings/power/power-domain.yaml
for details.
+
+  mediatek,gce-client-reg:
+      description:
+        The register of display function block to be set by gce.
There are 4 arguments,
+        such as gce node, subsys id, offset and register size. The
subsys id that is
+        mapping to the register of display function blocks is
defined in the gce header
+        include/include/dt-bindings/gce/<chip>-gce.h of each
chips.
+      $ref: /schemas/types.yaml#/definitions/phandle-array
+      maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - power-domains
+  - clocks
+
+additionalProperties: false
+
+examples:
+  - |
+
+    dsc0: disp_dsc_wrap@1c009000 {
+        compatible = "mediatek,mt8195-disp-dsc";
+        reg = <0 0x1c009000 0 0x1000>;
+        interrupts = <GIC_SPI 645 IRQ_TYPE_LEVEL_HIGH 0>;
+        power-domains = <&spm MT8195_POWER_DOMAIN_VDOSYS0>;
+        clocks = <&vdosys0 CLK_VDO0_DSC_WRAP0>;
+        mediatek,gce-client-reg = <&gce1 SUBSYS_1c00XXXX 0x9000
0x1000>;
+    };
+
--
2.18.0
-- 
Jason-JH Lin [off-list ref]
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