On 07/04/2023 21:53, Doug Anderson wrote:
> Hi,
>
> On Fri, Apr 7, 2023 at 11:11 AM Krzysztof Kozlowski
> <krzysztof.kozlowski@xxxxxxxxxx> wrote:
>>
>> On 23/03/2023 18:30, Douglas Anderson wrote:
>>> In commit 7ec3e67307f8 ("arm64: dts: qcom: sc7180-trogdor: add initial
>>> trogdor and lazor dt") we specified the pull settings on the boot SPI
>>> (the qspi) data lines as pullups to "park" the lines. This seemed like
>>> the right thing to do, but I never really probed the lines to confirm.
>>>
>>
>>
>>> &qup_i2c2_default {
>>> @@ -1336,6 +1340,22 @@ p_sensor_int_l: p-sensor-int-l-state {
>>> bias-disable;
>>> };
>>>
>>> + qspi_sleep: qspi-sleep-state {
>>> + pins = "gpio63", "gpio64", "gpio65", "gpio68";
>>> +
>>> + /*
>>> + * When we're not actively transferring we want pins as GPIOs
>>> + * with output disabled so that the quad SPI IP block stops
>>> + * driving them. We rely on the normal pulls configured in
>>> + * the active state and don't redefine them here. Also note
>>> + * that we don't need the reverse (output-enable) in the
>>> + * normal mode since the "output-enable" only matters for
>>> + * GPIO function.
>>> + */
>>> + function = "gpio";
>>> + output-disable;
>>
>> Doug,
>>
>> I acked some of your patches, but I assumed you tested all this. It
>> turns out you never run dtbs_check on the patches you sent.
>
> I'm fairly certain that I ran dtbs_check and confirmed that no new
> errors were introduced on the device tree files that this patch series
> cleaned up. Did I miss one?
You missed everything.
Before the patchset almost all pinctrl bindings were passing on arm64
DTS. Just one or two things to fix.
After the patchset: many new warnings.
> I did not try to go through and fix all
> examples of people using "input-enable" across all Qualcomm device
> trees, though.
You introduced new warnings, so it is expected to do.
> Those old device trees still work even if they're using
> the now-deprecated bindings. When deprecating something my
> understanding is that it's not required to go back and immediately
> transition all old device tree files.
You did not deprecate anything. You disallowed property causing many new
warnings to pop up.
>
> If having the "input-enable: false" in the bindings is causing huge
> problems we could do a blank search-and-replace to rename it to
> "output-disable", at least for places under "tlmm". Even if there are
> cases where it's superfluous it would at least make the bindings
> validate.
There are different ways to fix it, the point is that none of the ways
were used.
I fixed it up:
https://lore.kernel.org/linux-arm-msm/574d3aa5-21f4-014a-8cc7-7549df59ff3c@xxxxxxxxxx/
https://lore.kernel.org/linux-arm-msm/20230407180655.128771-1-krzysztof.kozlowski@xxxxxxxxxx/
https://lore.kernel.org/linux-arm-msm/20230407180045.126952-1-krzysztof.kozlowski@xxxxxxxxxx/
https://lore.kernel.org/linux-arm-msm/20230407175807.124394-1-krzysztof.kozlowski@xxxxxxxxxx/
Best regards,
Krzysztof
