linux-kernel - [PATCH v5 2/3] arm64: dts: qcom: msm8998: Allow UFSHC driver to set-load

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Message-ID: <66d35519-e4f8-b0c0-a4e4-4b4c8a01bd7f@free.fr>
Date:   Mon, 25 Feb 2019 13:17:44 +0100
From:   Marc Gonzalez <marc.w.gonzalez@...e.fr>
To:     MSM <linux-arm-msm@...r.kernel.org>,
        SCSI <linux-scsi@...r.kernel.org>
Cc:     Jeffrey Hugo <jhugo@...eaurora.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Andy Gross <andy.gross@...aro.org>,
        David Brown <david.brown@...aro.org>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Avri Altman <avri.altman@....com>,
        Pedro Sousa <pedrom.sousa@...opsys.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Lee Jones <lee.jones@...aro.org>
Subject: [PATCH v5 2/3] arm64: dts: qcom: msm8998: Allow UFSHC driver to
 set-load

The UFS host controller driver needs to set the load on 3 power rails
(l20, l26, s4) but the operation fails silently unless we specify the
regulator-allow-set-load property in the corresponding DT nodes.

Reviewed-by: Jeffrey Hugo <jhugo@...eaurora.org>
Signed-off-by: Marc Gonzalez <marc.w.gonzalez@...e.fr>
---
 arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi b/arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi
index f0901067b043..19775cae1381 100644
--- a/arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi
@@ -111,6 +111,7 @@
 		vreg_s4a_1p8: s4 {
 			regulator-min-microvolt = <1800000>;
 			regulator-max-microvolt = <1800000>;
+			regulator-allow-set-load;
 		};
 		vreg_s5a_2p04: s5 {
 			regulator-min-microvolt = <1904000>;
@@ -195,6 +196,7 @@
 		vreg_l20a_2p95: l20 {
 			regulator-min-microvolt = <2960000>;
 			regulator-max-microvolt = <2960000>;
+			regulator-allow-set-load;
 		};
 		vreg_l21a_2p95: l21 {
 			regulator-min-microvolt = <2960000>;
@@ -221,6 +223,7 @@
 		vreg_l26a_1p2: l26 {
 			regulator-min-microvolt = <1200000>;
 			regulator-max-microvolt = <1200000>;
+			regulator-allow-set-load;
 		};
 		vreg_l28_3p0: l28 {
 			regulator-min-microvolt = <3008000>;
-- 
2.17.1