* [PATCH V1] arm64: dts: qcom: sa8775p-ride: Update L4C parameters
@ 2023-07-11 10:42 Nitin Rawat
2023-07-11 10:47 ` Krzysztof Kozlowski
0 siblings, 1 reply; 2+ messages in thread
From: Nitin Rawat @ 2023-07-11 10:42 UTC (permalink / raw)
To: agross, andersson, konrad.dybcio, robh+dt, krzysztof.kozlowski+dt,
conor+dt
Cc: linux-arm-msm, devicetree, linux-kernel,
Naveen Kumar Goud Arepalli
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(-)
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
--
2.17.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH V1] arm64: dts: qcom: sa8775p-ride: Update L4C parameters
2023-07-11 10:42 [PATCH V1] arm64: dts: qcom: sa8775p-ride: Update L4C parameters Nitin Rawat
@ 2023-07-11 10:47 ` Krzysztof Kozlowski
0 siblings, 0 replies; 2+ messages in thread
From: Krzysztof Kozlowski @ 2023-07-11 10:47 UTC (permalink / raw)
To: Nitin Rawat, agross, andersson, konrad.dybcio, robh+dt,
krzysztof.kozlowski+dt, conor+dt
Cc: linux-arm-msm, devicetree, linux-kernel,
Naveen Kumar Goud Arepalli
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
^ permalink raw reply [flat|nested] 2+ messages in thread
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2023-07-11 10:47 ` Krzysztof Kozlowski
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