diff mbox series

[V1] arm64: dts: qcom: sa8775p-ride: Update L4C parameters

Message ID 20230711104255.16488-1-quic_nitirawa@quicinc.com (mailing list archive)
State Superseded
Headers show
Series [V1] arm64: dts: qcom: sa8775p-ride: Update L4C parameters | expand

Commit Message

Nitin Rawat July 11, 2023, 10:42 a.m. UTC 
From: Naveen Kumar Goud Arepalli <quic_narepall@quicinc.com>

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>
---
 arch/arm64/boot/dts/qcom/sa8775p-ride.dts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Comments

Krzysztof Kozlowski July 11, 2023, 10:47 a.m. UTC | #1 
On 11/07/2023 12:42, Nitin Rawat wrote:
> From: Naveen Kumar Goud Arepalli <quic_narepall@quicinc.com>
> 
> 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>

Thank you for your patch. Please add proper Sign-off-by (yours) when
sending patches.

Best regards,
Krzysztof
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/qcom/sa8775p-ride.dts b/arch/arm64/boot/dts/qcom/sa8775p-ride.dts
index ab767cfa51ff..26f5a4e0ffed 100644
--- a/arch/arm64/boot/dts/qcom/sa8775p-ride.dts
+++ b/arch/arm64/boot/dts/qcom/sa8775p-ride.dts
@@ -153,8 +153,8 @@ 
 
 		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