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Message-ID: <20250204-acronym-unshaved-18b89a389091@spud>
Date: Tue, 4 Feb 2025 19:30:03 +0000
From: Conor Dooley <conor@...nel.org>
To: Jammy Huang <jammy_huang@...eedtech.com>
Cc: eajames@...ux.ibm.com, mchehab@...nel.org, robh@...nel.org,
krzk+dt@...nel.org, conor+dt@...nel.org, joel@....id.au,
andrew@...id.au, linux-media@...r.kernel.org,
openbmc@...ts.ozlabs.org, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-aspeed@...ts.ozlabs.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dt-bindings: media: convert aspeed-video.txt to dt-schema
On Tue, Feb 04, 2025 at 02:28:22PM +0800, Jammy Huang wrote:
> Convert aspeed-video.txt to yaml format.
> Update aspeed-video.txt to aspeed,video-engine.yaml in MAINTAINER file.
>
> Signed-off-by: Jammy Huang <jammy_huang@...eedtech.com>
> ---
> .../bindings/media/aspeed,video-engine.yaml | 84 +++++++++++++++++++
> .../bindings/media/aspeed-video.txt | 33 --------
> MAINTAINERS | 2 +-
> 3 files changed, 85 insertions(+), 34 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/media/aspeed,video-engine.yaml
> delete mode 100644 Documentation/devicetree/bindings/media/aspeed-video.txt
>
> diff --git a/Documentation/devicetree/bindings/media/aspeed,video-engine.yaml b/Documentation/devicetree/bindings/media/aspeed,video-engine.yaml
> new file mode 100644
> index 000000000000..c66ae6b53cbb
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/aspeed,video-engine.yaml
> @@ -0,0 +1,84 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/aspeed,video-engine.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: ASPEED Video Engine
> +
> +maintainers:
> + - Eddie James <eajames@...ux.ibm.com>
> +
> +description:
> + The Video Engine (VE) embedded in the ASPEED SOCs can be configured to
> + capture and compress video data from digital or analog sources.
> +
> +properties:
> + compatible:
> + enum:
> + - aspeed,ast2400-video-engine
> + - aspeed,ast2500-video-engine
> + - aspeed,ast2600-video-engine
> +
> + reg:
> + maxItems: 1
> +
> + clocks:
> + maxItems: 2
> +
> + clock-names:
> + items:
> + - const: vclk
> + - const: eclk
> +
> + resets:
> + maxItems: 1
> +
> + interrupts:
> + maxItems: 1
> +
> + memory-region:
> + maxItems: 1
> + description: |
> + Phandle to the reserved memory nodes to be associated with the
> + VE. VE will acquires memory space for 3 purposes:
> + 1. JPEG header
> + 2. Compressed result
> + 3. Temporary transformed image data
> +
> + aspeed,scu:
> + $ref: /schemas/types.yaml#/definitions/phandle
> + description: |
> + Specifies the scu node that is needed if video wants to capture
> + from sources other than Host VGA.
> +
> + aspeed,gfx:
> + $ref: /schemas/types.yaml#/definitions/phandle
> + description: |
> + Specifies the Soc Display(gfx) node that needs to be queried to get
> + related information if video wants to use gfx as capture source.
These two phandle properties are new and not mentioned in your commit
message. Why have they been added?
> +
> +required:
> + - compatible
> + - reg
> + - clocks
> + - clock-names
> + - interrupts
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> + #include <dt-bindings/clock/ast2600-clock.h>
> +
> + video@...00000 {
> + compatible = "aspeed,ast2600-video-engine";
> + reg = <0x1e700000 0x1000>;
> + clocks = <&syscon ASPEED_CLK_GATE_VCLK>,
> + <&syscon ASPEED_CLK_GATE_ECLK>;
> + clock-names = "vclk", "eclk";
> + interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
> + aspeed,scu = <&syscon>;
> + aspeed,gfx = <&gfx>;
> + };
> diff --git a/Documentation/devicetree/bindings/media/aspeed-video.txt b/Documentation/devicetree/bindings/media/aspeed-video.txt
> deleted file mode 100644
> index d2ca32512272..000000000000
> --- a/Documentation/devicetree/bindings/media/aspeed-video.txt
> +++ /dev/null
> @@ -1,33 +0,0 @@
> -* Device tree bindings for Aspeed Video Engine
> -
> -The Video Engine (VE) embedded in the Aspeed AST2400/2500/2600 SOCs can
> -capture and compress video data from digital or analog sources.
> -
> -Required properties:
> - - compatible: "aspeed,ast2400-video-engine" or
> - "aspeed,ast2500-video-engine" or
> - "aspeed,ast2600-video-engine"
> - - reg: contains the offset and length of the VE memory region
> - - clocks: clock specifiers for the syscon clocks associated with
> - the VE (ordering must match the clock-names property)
> - - clock-names: "vclk" and "eclk"
> - - resets: reset specifier for the syscon reset associated with
> - the VE
> - - interrupts: the interrupt associated with the VE on this platform
> -
> -Optional properties:
> - - memory-region:
> - phandle to a memory region to allocate from, as defined in
> - Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt
> -
> -Example:
> -
> -video-engine@...00000 {
> - compatible = "aspeed,ast2500-video-engine";
> - reg = <0x1e700000 0x20000>;
> - clocks = <&syscon ASPEED_CLK_GATE_VCLK>, <&syscon ASPEED_CLK_GATE_ECLK>;
> - clock-names = "vclk", "eclk";
> - resets = <&syscon ASPEED_RESET_VIDEO>;
> - interrupts = <7>;
> - memory-region = <&video_engine_memory>;
> -};
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 896a307fa065..7e59daa1e89d 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -3549,7 +3549,7 @@ M: Eddie James <eajames@...ux.ibm.com>
> L: linux-media@...r.kernel.org
> L: openbmc@...ts.ozlabs.org (moderated for non-subscribers)
> S: Maintained
> -F: Documentation/devicetree/bindings/media/aspeed-video.txt
> +F: Documentation/devicetree/bindings/media/aspeed,video-engine.yaml
> F: drivers/media/platform/aspeed/
>
> ASUS EC HARDWARE MONITOR DRIVER
>
> base-commit: 2014c95afecee3e76ca4a56956a936e23283f05b
> --
> 2.25.1
>
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