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Message-ID: <YQhkOSEP0PAN9rY7@robh.at.kernel.org>
Date: Mon, 2 Aug 2021 15:31:37 -0600
From: Rob Herring <robh@...nel.org>
To: Tinghan Shen <tinghan.shen@...iatek.com>
Cc: ohad@...ery.com, bjorn.andersson@...aro.org,
mathieu.poirier@...aro.org, matthias.bgg@...il.com,
linux-remoteproc@...r.kernel.org, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
srv_heupstream@...iatek.com, tzungbi@...gle.com,
Project_Global_Chrome_Upstream_Group@...iatek.com
Subject: Re: [PATCH v4 3/4] dt-bindings: remoteproc: mediatek: Convert
mtk,scp to json-schema
On Wed, Jul 28, 2021 at 11:58:58AM +0800, Tinghan Shen wrote:
> Convert the mtk,scp binding to DT schema format using json-schema.
>
> Signed-off-by: Tinghan Shen <tinghan.shen@...iatek.com>
> ---
> .../bindings/remoteproc/mtk,scp.txt | 41 ---------
> .../bindings/remoteproc/mtk,scp.yaml | 85 +++++++++++++++++++
> 2 files changed, 85 insertions(+), 41 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/remoteproc/mtk,scp.txt
> create mode 100644 Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml
>
> diff --git a/Documentation/devicetree/bindings/remoteproc/mtk,scp.txt b/Documentation/devicetree/bindings/remoteproc/mtk,scp.txt
> deleted file mode 100644
> index 88f37dee7bca..000000000000
> --- a/Documentation/devicetree/bindings/remoteproc/mtk,scp.txt
> +++ /dev/null
> @@ -1,41 +0,0 @@
> -Mediatek SCP Bindings
> -----------------------------------------
> -
> -This binding provides support for ARM Cortex M4 Co-processor found on some
> -Mediatek SoCs.
> -
> -Required properties:
> -- compatible Should be one of:
> - "mediatek,mt8183-scp"
> - "mediatek,mt8192-scp"
> - "mediatek,mt8195-scp"
> -- reg Should contain the address ranges for memory regions:
> - SRAM, CFG, and L1TCM.
> -- reg-names Contains the corresponding names for the memory regions:
> - "sram", "cfg", and "l1tcm".
> -- clocks Required by mt8183 and mt8192. Clock for co-processor
> - (See: ../clock/clock-bindings.txt)
> -- clock-names Required by mt8183 and mt8192. Contains the
> - corresponding name for the clock. This should be
> - named "main".
> -
> -Subnodes
> ---------
> -
> -Subnodes of the SCP represent rpmsg devices. The names of the devices are not
> -important. The properties of these nodes are defined by the individual bindings
> -for the rpmsg devices - but must contain the following property:
> -
> -- mtk,rpmsg-name Contains the name for the rpmsg device. Used to match
> - the subnode to rpmsg device announced by SCP.
> -
> -Example:
> -
> - scp: scp@...00000 {
> - compatible = "mediatek,mt8183-scp";
> - reg = <0 0x10500000 0 0x80000>,
> - <0 0x105c0000 0 0x5000>;
> - reg-names = "sram", "cfg";
> - clocks = <&infracfg CLK_INFRA_SCPSYS>;
> - clock-names = "main";
> - };
> diff --git a/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml b/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml
> new file mode 100644
> index 000000000000..dc5fcbe65dae
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml
> @@ -0,0 +1,85 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/remoteproc/mtk,scp.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Mediatek SCP Bindings
> +
> +maintainers:
> + - Tinghan Shen <tinghan.shen@...iatek.com>
> +
> +description:
> + This binding provides support for ARM Cortex M4 Co-processor found on some
> + Mediatek SoCs.
> +
> +properties:
> + compatible:
> + enum:
> + - mediatek,mt8183-scp
> + - mediatek,mt8192-scp
> + - mediatek,mt8195-scp
> +
> + reg:
> + description: |
> + Should contain the address ranges for memory regions SRAM and CFG,
> + maxItems: 2
> +
> + reg-names:
> + description: |
> + Contains the corresponding names for the two memory regions. These
> + should be named "sram", "cfg".
> +
> + clocks:
> + description: |
> + Clock for co-processor (see ../clock/clock-bindings.txt).
> + Required by mt8183 and mt8192.
> + maxItems: 1
> +
> + clock-names:
> + description: |
> + Contains the corresponding name for the clock. This should be
> + named "main". Required by mt8183 and mt8192.
> +
> +required:
> + - compatible
> + - reg
> + - reg-names
> +
> +patternProperties:
> + ".*":
> + if:
> + type: object
> + then:
This can be replaced with:
additionalProperties:
type: object
... and the rest below here:
> + description:
> + Subnodes of the SCP represent rpmsg devices. The names of the devices
> + are not important. The properties of these nodes are defined by the
> + individual bindings for the rpmsg devices.
> +
> + properties:
> + mtk,rpmsg-name:
> + description:
> + Contains the name for the rpmsg device. Used to match
> + the subnode to rpmsg device announced by SCP.
> +
> + required:
> + - mtk,rpmsg-name
> +
> +additionalProperties: true
> +
> +examples:
> + - |
> + #include <dt-bindings/clock/mt8183-clk.h>
> +
> + soc {
> + #address-cells = <2>;
> + #size-cells = <2>;
> + scp: scp@...00000 {
Drop unused labels.
> + compatible = "mediatek,mt8183-scp";
> + reg = <0 0x10500000 0 0x80000>,
> + <0 0x105c0000 0 0x5000>;
> + reg-names = "sram", "cfg";
> + clocks = <&infracfg CLK_INFRA_SCPSYS>;
> + clock-names = "main";
> + };
> + };
> --
> 2.18.0
>
>
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