linux-kernel - Re: [PATCH 4/6] dt-bindings: phy: mediatek: tphy: support software efuse load

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Date:   Fri, 19 Nov 2021 17:18:34 +0000
From:   Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:     Chunfeng Yun <chunfeng.yun@...iatek.com>,
        Rob Herring <robh+dt@...nel.org>, Vinod Koul <vkoul@...nel.org>
Cc:     Matthias Brugger <matthias.bgg@...il.com>,
        Kishon Vijay Abraham I <kishon@...com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-phy@...ts.infradead.org,
        Eddie Hung <eddie.hung@...iatek.com>,
        Andrew-CT Chen <andrew-ct.chen@...iatek.com>,
        Yz Wu <yz.wu@...iatek.com>
Subject: Re: [PATCH 4/6] dt-bindings: phy: mediatek: tphy: support software
 efuse load



On 07/11/2021 07:56, Chunfeng Yun wrote:
> Add optional property nvmem-cells and nvmem-cell-names to support
> software efuse load, this helps to fix the efuse bit shift issue
> on mt8195 etc.
> 
> Signed-off-by: Chunfeng Yun <chunfeng.yun@...iatek.com>

Applied thanks,

--srini

> ---
>   .../devicetree/bindings/phy/mediatek,tphy.yaml | 18 ++++++++++++++++++
>   1 file changed, 18 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml b/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml
> index 9e6c0f43f1c6..05ee274b4b71 100644
> --- a/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml
> +++ b/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml
> @@ -160,6 +160,24 @@ patternProperties:
>                   - PHY_TYPE_PCIE
>                   - PHY_TYPE_SATA
>   
> +      nvmem-cells:
> +        items:
> +          - description: internal R efuse for U2 PHY or U3/PCIe PHY
> +          - description: rx_imp_sel efuse for U3/PCIe PHY
> +          - description: tx_imp_sel efuse for U3/PCIe PHY
> +        description: |
> +          Phandles to nvmem cell that contains the efuse data;
> +          Available only for U2 PHY or U3/PCIe PHY of version 2/3, these
> +          three items should be provided at the same time for U3/PCIe PHY,
> +          when use software to load efuse;
> +          If unspecified, will use hardware auto-load efuse.
> +
> +      nvmem-cell-names:
> +        items:
> +          - const: intr
> +          - const: rx_imp
> +          - const: tx_imp
> +
>         # The following optional vendor properties are only for debug or HQA test
>         mediatek,eye-src:
>           description:
>