| Message ID | 20210521130511.v1.2.I52f30ddfe62041b7e6c3c362f0ad8f695ac28224@changeid (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | Update sd card pinconf for sc7180 DT | expand |
Hi, On Fri, May 21, 2021 at 1:06 PM Sujit Kautkar <sujitka@chromium.org> wrote: > > Trogdor board does not have external pull-up for cd-gpio. Set this pin > to internal pull-up for sleep config to avoid frequent regulator toggle > events. > > This change is aligned with Qualcomm's DT change posted at: > https://patchwork.kernel.org/patch/11675347/ > > Signed-off-by: Sujit Kautkar <sujitka@chromium.org> > --- > > arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi > index d128a0ed6ad3a..330deb4967ca2 100644 > --- a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi > +++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi > @@ -1638,7 +1638,7 @@ pinconf-data { > > pinconf-sd-cd { > pins = "gpio69"; > - bias-disable; > + bias-pull-up; This looks fine to me. Honestly, I would have done it for IDP too. It really doesn't make any sense that the pull-up would be enabled for the "on" state but disabled for the "off" state. Either you have an external pull (in which case you never need the internal one) or you don't have an external pull (in which case you always need the internal one). In any case, this change is correct and improves things. I'll add: Reviewed-by: Douglas Anderson <dianders@chromium.org> If you do respin the patch to fix IDP too then you can feel free to keep my Reviewed-by tag. -Doug
diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi index d128a0ed6ad3a..330deb4967ca2 100644 --- a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi @@ -1638,7 +1638,7 @@ pinconf-data { pinconf-sd-cd { pins = "gpio69"; - bias-disable; + bias-pull-up; drive-strength = <2>; }; };
Trogdor board does not have external pull-up for cd-gpio. Set this pin to internal pull-up for sleep config to avoid frequent regulator toggle events. This change is aligned with Qualcomm's DT change posted at: https://patchwork.kernel.org/patch/11675347/ Signed-off-by: Sujit Kautkar <sujitka@chromium.org> --- arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)