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@xxxxxxxxxxxx>
---
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 */
+
+/*
+ * 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_i2c_tpm: &i2c14 {
--
2.35.1.1021.g381101b075-goog
