diff mbox series

[1/2] dt-bindings: phy: qcom,qmp: Add PCIe qcom,refclk-always-on property

Message ID 20231106-refclk_always_on-v1-1-17a7fd8b532b@quicinc.com
State New
Headers show
Series phy: qcom-qmp-pcie: Add support to keep refclk always on | expand

Commit Message

Krishna chaitanya chundru Nov. 6, 2023, 11:52 a.m. UTC
Document qcom,refclk-always-on property which is needed in some platforms
to supply refclk even in PCIe low power states.

Signed-off-by: Krishna chaitanya chundru <quic_krichai@quicinc.com>
---
 .../devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml          | 5 +++++
 1 file changed, 5 insertions(+)

Comments

Krishna chaitanya chundru Nov. 7, 2023, 9:51 a.m. UTC | #1
On 11/6/2023 9:50 PM, Bjorn Andersson wrote:
> On Mon, Nov 06, 2023 at 05:22:34PM +0530, Krishna chaitanya chundru wrote:
>> Document qcom,refclk-always-on property which is needed in some platforms
>> to supply refclk even in PCIe low power states.
>>
>> Signed-off-by: Krishna chaitanya chundru <quic_krichai@quicinc.com>
>> ---
>>   .../devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml          | 5 +++++
>>   1 file changed, 5 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml
>> index 2c3d6553a7ba..9daf0556ed3b 100644
>> --- a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml
>> +++ b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml
>> @@ -93,6 +93,11 @@ properties:
>>     "#phy-cells":
>>       const: 0
>>   
>> +  qcom,refclk-always-on:
>> +    type: boolean
>> +    description: A boolean property indicating the refclk is
>> +      always on even in Low power states (optional)
> As with the driver patch, please improve this description (and use your
> 80 characters).
>
>
> It would also be preferable to capture (or at least indicate) the
> problem that this flash is working around - so that future readers
> doesn't need to go look in the commit history for the phy driver to
> figure out what this is doing.
>
> Regards,
> Bjorn

Sure I will update this in my next patch.

- Krishna Chaitanya.

>> +
>>   required:
>>     - compatible
>>     - reg
>>
>> -- 
>> 2.42.0
>>
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml
index 2c3d6553a7ba..9daf0556ed3b 100644
--- a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml
+++ b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml
@@ -93,6 +93,11 @@  properties:
   "#phy-cells":
     const: 0
 
+  qcom,refclk-always-on:
+    type: boolean
+    description: A boolean property indicating the refclk is
+      always on even in Low power states (optional)
+
 required:
   - compatible
   - reg