[PATCH 11/11] arm64: dts: Add Pensando Elba SoC support

Krzysztof Kozlowski krzysztof.kozlowski at linaro.org
Wed May 25 23:53:54 PDT 2022


On 26/05/2022 02:19, Brad Larson wrote:
> Hi Krzysztof,
> 
> On Thu, Apr 7, 2022 at 12:06 PM Krzysztof Kozlowski
> <krzysztof.kozlowski at linaro.org> wrote:
>>
>> On 07/04/2022 01:36, Brad Larson wrote:
>>> Add Pensando common and Elba SoC specific device nodes
>>>
>>> +&spi0 {
>>> +     num-cs = <4>;
>>> +     cs-gpios = <0>, <0>, <&porta 1 GPIO_ACTIVE_LOW>,
>>> +                <&porta 7 GPIO_ACTIVE_LOW>;
>>> +     status = "okay";
>>> +     spi0_cs0 at 0 {
>>
>> Generic node name needed matching the class of a devicxe.
> 
> The device on this spi bus is a FPGA with 4 functions and looking at
> other projects I've changed it to a resource-controller node name.  On
> cs0 there is a sub-device reset-controller added in the upcoming
> patchset to enable hardware reset of the eMMC device.
> 
>>> +             compatible = "semtech,sx1301";  /* Enable spidev */
>>
>> This comment is a bit odd... did you just use random compatible from
>> spidev instead of defining proper compatible?
> 
> Yes, because adding a compatible was nacked.  We have a driver added
> (two actually, mfd and reset driver) for the next patch update.

Yeah, but using some other one is also not correct.



Best regards,
Krzysztof



More information about the linux-arm-kernel mailing list