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Message-ID: <20250623160722.55938-2-detlev.casanova@collabora.com>
Date: Mon, 23 Jun 2025 12:07:15 -0400
From: Detlev Casanova <detlev.casanova@...labora.com>
To: linux-kernel@...r.kernel.org
Cc: Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Heiko Stuebner <heiko@...ech.de>,
Sebastian Reichel <sebastian.reichel@...labora.com>,
Cristian Ciocaltea <cristian.ciocaltea@...labora.com>,
Alexey Charkov <alchark@...il.com>,
Dragan Simic <dsimic@...jaro.org>,
Jianfeng Liu <liujianfeng1994@...il.com>,
Nicolas Frattaroli <nicolas.frattaroli@...labora.com>,
Kever Yang <kever.yang@...k-chips.com>,
Detlev Casanova <detlev.casanova@...labora.com>,
Andy Yan <andy.yan@...k-chips.com>,
Frank Wang <frank.wang@...k-chips.com>,
devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-rockchip@...ts.infradead.org,
Ezequiel Garcia <ezequiel@...guardiasur.com.ar>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Hans Verkuil <hverkuil@...all.nl>,
Ricardo Ribalda <ribalda@...omium.org>,
Hans de Goede <hansg@...nel.org>,
Yunke Cao <yunkec@...gle.com>,
linux-media@...r.kernel.org,
kernel@...labora.com,
Conor Dooley <conor.dooley@...rochip.com>
Subject: [PATCH 1/8] media: dt-bindings: rockchip: Document RK3588 Video Decoder bindings
Document the Rockchip RK3588 Video Decoder bindings.
Signed-off-by: Detlev Casanova <detlev.casanova@...labora.com>
Reviewed-by: Conor Dooley <conor.dooley@...rochip.com>
---
.../bindings/media/rockchip,vdec.yaml | 77 ++++++++++++++++++-
1 file changed, 74 insertions(+), 3 deletions(-)
diff --git a/Documentation/devicetree/bindings/media/rockchip,vdec.yaml b/Documentation/devicetree/bindings/media/rockchip,vdec.yaml
index 08b02ec167557..e9b82dc05fd1d 100644
--- a/Documentation/devicetree/bindings/media/rockchip,vdec.yaml
+++ b/Documentation/devicetree/bindings/media/rockchip,vdec.yaml
@@ -10,13 +10,14 @@ maintainers:
- Heiko Stuebner <heiko@...ech.de>
description: |-
- The Rockchip rk3399 has a stateless Video Decoder that can decodes H.264,
- HEVC an VP9 streams.
+ Rockchip SoCs have variants of the same stateless Video Decoder that can
+ decodes H.264, HEVC, VP9 and AV1 streams, depending on the variant.
properties:
compatible:
oneOf:
- const: rockchip,rk3399-vdec
+ - const: rockchip,rk3588-vdec
- items:
- enum:
- rockchip,rk3228-vdec
@@ -24,35 +25,72 @@ properties:
- const: rockchip,rk3399-vdec
reg:
- maxItems: 1
+ minItems: 1
+ items:
+ - description: The function configuration registers base
+ - description: The link table configuration registers base
+ - description: The cache configuration registers base
+
+ reg-names:
+ items:
+ - const: function
+ - const: link
+ - const: cache
interrupts:
maxItems: 1
clocks:
+ minItems: 4
items:
- description: The Video Decoder AXI interface clock
- description: The Video Decoder AHB interface clock
- description: The Video Decoded CABAC clock
- description: The Video Decoder core clock
+ - description: The Video decoder HEVC CABAC clock
clock-names:
+ minItems: 4
items:
- const: axi
- const: ahb
- const: cabac
- const: core
+ - const: hevc_cabac
assigned-clocks: true
assigned-clock-rates: true
+ resets:
+ items:
+ - description: The Video Decoder AXI interface reset
+ - description: The Video Decoder AHB interface reset
+ - description: The Video Decoded CABAC reset
+ - description: The Video Decoder core reset
+ - description: The Video decoder HEVC CABAC reset
+
+ reset-names:
+ items:
+ - const: axi
+ - const: ahb
+ - const: cabac
+ - const: core
+ - const: hevc_cabac
+
power-domains:
maxItems: 1
iommus:
maxItems: 1
+ sram:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description: |
+ phandle to a reserved on-chip SRAM regions.
+ Some SoCs, like rk3588 provide on-chip SRAM to store temporary
+ buffers during decoding.
+
required:
- compatible
- reg
@@ -61,6 +99,39 @@ required:
- clock-names
- power-domains
+allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: rockchip,rk3588-vdec
+ then:
+ properties:
+ reg:
+ minItems: 3
+ reg-names:
+ minItems: 3
+ clocks:
+ minItems: 5
+ clock-names:
+ minItems: 5
+ resets:
+ minItems: 5
+ reset-names:
+ minItems: 5
+ else:
+ properties:
+ reg:
+ maxItems: 1
+ reg-names: false
+ clocks:
+ maxItems: 4
+ clock-names:
+ maxItems: 4
+ resets: false
+ reset-names: false
+ sram: false
+
additionalProperties: false
examples:
--
2.50.0
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