arm64: dts: qcom: sa8775p-ride: Update L4C parameters
authorNaveen Kumar Goud Arepalli <quic_narepall@quicinc.com>
Tue, 11 Jul 2023 10:59:14 +0000 (16:29 +0530)
committerBjorn Andersson <andersson@kernel.org>
Fri, 14 Jul 2023 03:39:21 +0000 (20:39 -0700)
L4c is the supply for UFS vccq, As per UFS spec range of vccq is
1.14V to 1.26V, There are stability issues when operating at
marginal voltage. Hence configure the min and max vccq voltages
to 1.2V.

Signed-off-by: Naveen Kumar Goud Arepalli <quic_narepall@quicinc.com>
Acked-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20230711105915.30581-1-quic_narepall@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
arch/arm64/boot/dts/qcom/sa8775p-ride.dts

index ab767cf..26f5a4e 100644 (file)
 
                vreg_l4c: ldo4 {
                        regulator-name = "vreg_l4c";
-                       regulator-min-microvolt = <1100000>;
-                       regulator-max-microvolt = <1300000>;
+                       regulator-min-microvolt = <1200000>;
+                       regulator-max-microvolt = <1200000>;
                        regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
                        /*
                         * FIXME: This should have regulator-allow-set-load but