[PATCH v2 08/14] arm64: dts: qcom: sdm845-db845c: specify power for WiFi CH1

Dmitry Baryshkov dmitry.baryshkov at oss.qualcomm.com
Mon Jan 5 17:01:18 PST 2026


Specify power supply for the second chain / antenna output of the
onboard WiFi chip.

Fixes: 3f72e2d3e682 ("arm64: dts: qcom: Add Dragonboard 845c")
Reviewed-by: Konrad Dybcio <konrad.dybcio at oss.qualcomm.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at oss.qualcomm.com>
---
 arch/arm64/boot/dts/qcom/sdm845-db845c.dts | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm845-db845c.dts b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
index ad283a79bcdb..5118b776a9bb 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
@@ -379,6 +379,12 @@ vreg_l21a_2p95: ldo21 {
 			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
 		};
 
+		vreg_l23a_3p3: ldo23 {
+			regulator-min-microvolt = <3300000>;
+			regulator-max-microvolt = <3312000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
 		vreg_l24a_3p075: ldo24 {
 			regulator-min-microvolt = <3088000>;
 			regulator-max-microvolt = <3088000>;
@@ -1155,6 +1161,7 @@ &wifi {
 	vdd-1.8-xo-supply = <&vreg_l7a_1p8>;
 	vdd-1.3-rfa-supply = <&vreg_l17a_1p3>;
 	vdd-3.3-ch0-supply = <&vreg_l25a_3p3>;
+	vdd-3.3-ch1-supply = <&vreg_l23a_3p3>;
 
 	qcom,snoc-host-cap-8bit-quirk;
 	qcom,calibration-variant = "Thundercomm_DB845C";

-- 
2.47.3




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