Messages in this thread | | | From | Stephen Boyd <> | Date | Fri, 25 Mar 2022 10:42:42 -0500 | Subject | Re: [PATCH] arm64: dts: qcom: sc7280-herobrine: Audio codec wants 1.8V, not 1.62V |
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Quoting Douglas Anderson (2022-03-25 08:11:05) > The L2C rail on herobrine boards is intended to go to the audio > codec. Let's override the 1.62V specified in the qcard.dtsi file to be > 1.8V. > > Signed-off-by: Douglas Anderson <dianders@chromium.org> > ---
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
> > arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi b/arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi > index dc17f2079695..c2075f3e7c4b 100644 > --- a/arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi > +++ b/arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi > @@ -339,6 +339,16 @@ keyboard_backlight: keyboard-backlight { > ts_avdd: &pp3300_left_in_mlb {}; > vreg_edp_3p3: &pp3300_left_in_mlb {}; > > +/* Regulator overrides from Qcard */
This one isn't in ALL CAPS? :)
> + > +/* > + * Herobrine boards only use l2c to power an external audio codec (like > + * alc5682) and we want that to be at 1.8V, not at some slightly lower voltage. > + */ > +&vreg_l2c_1p8 { > + regulator-min-microvolt = <1800000>; > +}; > + > /* ADDITIONS TO NODES DEFINED IN PARENT DEVICE TREE FILES */
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