diff mbox series

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

Message ID 20220325081100.1.I9f06fec63b978699fe62591fec9e5ac31bb3a69d@changeid
State Superseded
Headers show
Series arm64: dts: qcom: sc7280-herobrine: Audio codec wants 1.8V, not 1.62V | expand

Commit Message

Doug Anderson March 25, 2022, 3:11 p.m. UTC
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>
---

 arch/arm64/boot/dts/qcom/sc7280-herobrine.dtsi | 10 ++++++++++
 1 file changed, 10 insertions(+)
diff mbox series

Patch

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 {