diff mbox series

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

Message ID 20211107075646.4366-4-chunfeng.yun@mediatek.com (mailing list archive)
State New, archived
Headers show
Series [1/6] dt-bindings: nvmem: mediatek: add support bits property | expand

Commit Message

Chunfeng Yun (云春峰) Nov. 7, 2021, 7:56 a.m. UTC
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@mediatek.com>
---
 .../devicetree/bindings/phy/mediatek,tphy.yaml | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

Comments

Rob Herring (Arm) Nov. 12, 2021, 10:42 p.m. UTC | #1
On Sun, 07 Nov 2021 15:56:44 +0800, 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@mediatek.com>
> ---
>  .../devicetree/bindings/phy/mediatek,tphy.yaml | 18 ++++++++++++++++++
>  1 file changed, 18 insertions(+)
> 

Acked-by: Rob Herring <robh@kernel.org>
Srinivas Kandagatla Nov. 19, 2021, 5:18 p.m. UTC | #2
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@mediatek.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:
>
Chen-Yu Tsai Nov. 22, 2021, 4:05 a.m. UTC | #3
On Sat, Nov 20, 2021 at 1:19 AM Srinivas Kandagatla
<srinivas.kandagatla@linaro.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@mediatek.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?

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@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-mediatek
Srinivas Kandagatla Nov. 22, 2021, 9:21 a.m. UTC | #4
On 22/11/2021 04:05, Chen-Yu Tsai wrote:
> On Sat, Nov 20, 2021 at 1:19 AM Srinivas Kandagatla
> <srinivas.kandagatla@linaro.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@mediatek.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!

--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@lists.infradead.org
>> http://lists.infradead.org/mailman/listinfo/linux-mediatek
Chunfeng Yun (云春峰) Nov. 24, 2021, 7:48 a.m. UTC | #5
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@linaro.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@mediatek.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@lists.infradead.org
> > > http://lists.infradead.org/mailman/listinfo/linux-mediatek
diff mbox series

Patch

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: