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

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Message-ID: <ba47b03019a2ee19bee058f6c08dc304c2b7c566.camel@mediatek.com>
Date:   Wed, 24 Nov 2021 15:48:33 +0800
From:   Chunfeng Yun <chunfeng.yun@...iatek.com>
To:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Chen-Yu Tsai <wenst@...omium.org>,
        Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...com>
CC:     Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.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 Mon, 2021-11-22 at 09:21 +0000, Srinivas Kandagatla wrote:
> 
> On 22/11/2021 04:05, Chen-Yu Tsai wrote:
> > On Sat, Nov 20, 2021 at 1:19 AM Srinivas Kandagatla
> > <srinivas.kandagatla@...aro.org> wrote:
> > > 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,
> > 
> > This is a PHY DT binding change. Shouldn't it go in with patch 5,
> > the
> > phy driver patch, through the PHY tree instead?
> 
> That's true, this is dropped from nvmem tree now!

Thanks

> 
> --srini
> > 
> > ChenYu
> > 
> > > --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:
> > > > 
> > > 
> > > _______________________________________________
> > > Linux-mediatek mailing list
> > > Linux-mediatek@...ts.infradead.org
> > > http://lists.infradead.org/mailman/listinfo/linux-mediatek

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