[PATCH 6.19 182/781] arm64: dts: qcom: sdm845-db845c: specify power for WiFi CH1

Greg Kroah-Hartman
2026-02-25T01:30:14Z

From: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>

[ Upstream commit c303e89f7f17c29981d09f8beaaf60937ae8b1f2 ]

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@oss.qualcomm.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260106-wcn3990-pwrctl-v2-8-0386204328be@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
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 ad283a79bcdb4..5118b776a9bb3 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";
--
2.51.0