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arm64: dts: qcom: sc7280-herobrine: Audio codec wants 1.8V, not 1.62V

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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>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220411141332.v2.1.I9f06fec63b978699fe62591fec9e5ac31bb3a69d@changeid
This commit is contained in:
Douglas Anderson
2022-04-11 14:13:39 -07:00
committed by Bjorn Andersson
parent 7011db96f6
commit 5a026558d2
1 changed files with 14 additions and 1 deletions
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15
arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi
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@@ -308,7 +308,10 @@ keyboard_backlight: keyboard-backlight {
};
/*
* BOARD-LOCAL NAMES FOR REGULATORS THAT CONNECT TO QCARD
* ADJUSTMENTS TO QCARD REGULATORS
*
* Mostly this is just board-local names for regulators that come from
* Qcard, but this also has some minor regulator overrides.
*
* Names are only listed here if regulators go somewhere other than a
* testpoint.
@@ -352,6 +355,16 @@ keyboard_backlight: keyboard-backlight {
ts_avdd: &pp3300_left_in_mlb {};
vreg_edp_3p3: &pp3300_left_in_mlb {};
/* Regulator overrides from Qcard */
/*
* 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 */
ap_sar_sensor_i2c: &i2c1 {