Re: [PATCH v1 3/3] arm64: dts: qcom: sdm845: Add SD nodes for sdm845-mtp

From: Evan Green
Date: Wed Dec 05 2018 - 16:44:29 EST


On Wed, Dec 5, 2018 at 1:19 PM Doug Anderson <dianders@xxxxxxxxxxxx> wrote:
>
> Hi,
>
> On Wed, Nov 28, 2018 at 2:34 PM Evan Green <evgreen@xxxxxxxxxxxx> wrote:
> > +&sdhc_2 {
> > + status = "okay";
> > +
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&sdc2_clk &sdc2_cmd &sdc2_data &sd_cd_odl>;
> > +
> > + vmmc-supply = <&vreg_l21a_2p95>;
> > + vqmmc-supply = <&vddpx_2>;
> > +
> > + cd-gpios = <&tlmm 126 GPIO_ACTIVE_LOW>;
> > +};
> > +
> > &qupv3_id_1 {
>
> Please sort alphabetically. "s" comes after "q".

I've got A through F down cold, but those later letters are spotty :) Will fix.

>
>
> > + /* It seems that mmc_test reports errors if drive strength is not 16. */
>
> Possibly put this comment right next to one of the the "drive-strength" lines?

Ok.

>
>
> > + sd_cd_odl: sd-cd-odl {
>
> "sd_cd_odl" is the name on a different board. On sdm845 this is
> 'sd_card_det_n", so it'd be better to use that name.
>
>
> > + pinmux {
> > + pins = "gpio126";
> > + function = "gpio";
> > + };
> > +
> > + pinconf {
> > + pins = "gpio126";
> > + bias-pull-up;
> > + drive-strength = <2>;
>
> Maybe leave this off? According to Bjorn's research "drive-strength"
> has no affect on inputs and this is most certainly an input.

Sure. Spin coming up.

>
> -Doug