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Wed, 05 Jun 2024 02:00:51 -0700 (PDT) Received: from umbar.lan ([192.130.178.91]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-52b84d764c6sm1732196e87.123.2024.06.05.02.00.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 Jun 2024 02:00:51 -0700 (PDT) From: Dmitry Baryshkov Date: Wed, 05 Jun 2024 12:00:49 +0300 Subject: [PATCH v2] arm64: dts: qcom: qrb4210-rb2: make L9A always-on Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240605-rb2-l9a-aon-v2-1-0d493d0d107c@linaro.org> X-B4-Tracking: v=1; b=H4sIAEApYGYC/23MywrCMBCF4Vcps3Ykl1asq76HdDFtYjtQEplIU Ere3di1y//A+XZIXtgnuDU7iM+cOIYa5tTAvFJYPLKrDUaZVl2URZkMbj0hxYBOm95M5Doigvp 4in/w+9DuY+2V0yvK58Cz/q3/naxR41XPtiPlfGvdsHEgiecoC4yllC8PlSoFpwAAAA== To: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Bryan O'Donoghue X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1350; i=dmitry.baryshkov@linaro.org; h=from:subject:message-id; bh=9yh9Jj7C37WppCl5hvMNk/vvdbjaMhMMdTQpdn4iFTA=; b=owEBbQGS/pANAwAKAYs8ij4CKSjVAcsmYgBmYClDuJrZrHHKcqGiWrq6c/hDyfHUGBT+ol2VK 8DIgK0RA1eJATMEAAEKAB0WIQRMcISVXLJjVvC4lX+LPIo+Aiko1QUCZmApQwAKCRCLPIo+Aiko 1cptCACW56FLcmDkRPcZP2QrAxuI+y8yO4vKMRIiZBPZ6UiqLktkLJlMUalhygs7uKNrTEqOt7h YDQn1p5NaCd9Ldw9IRmuo3iqlVRLjwKLCgrsMZt+vnaOX02UDSzuMCDrLepbq5FJrPx/IcXEF/j KdSm1GjpMje+foCUwdnLvxliUfpTgkQ8RtHjxWILp9S11B83+gkN0S3i2rdv3L4a6vI82FcbF1i dn/D64kf+KK3SYBYSZvDwDnSAMpoywlF1xt68q2kr1uNHJVNKW951SRRCtdp7nch295uH14pRdA V8CoLP1s2ePuB83zt1LvXDy/eremMJRAtzuEsKEJAL7LBcDa X-Developer-Key: i=dmitry.baryshkov@linaro.org; a=openpgp; fpr=8F88381DD5C873E4AE487DA5199BF1243632046A The L9A regulator is used to further control voltage regulators on the board. It can be used to disable VBAT_mains, 1.8V, 3.3V, 5V rails). Make sure that is stays always on to prevent undervolting of these volage rails. Fixes: 8d58a8c0d930 ("arm64: dts: qcom: Add base qrb4210-rb2 board dts") Reviewed-by: Bryan O'Donoghue Signed-off-by: Dmitry Baryshkov Reviewed-by: Konrad Dybcio --- Changes in v2: - Expand commit message to mention the affected voltage rails (Bryan) - Link to v1: https://lore.kernel.org/r/20240603-rb2-l9a-aon-v1-1-81c35a0de43d@linaro.org --- arch/arm64/boot/dts/qcom/qrb4210-rb2.dts | 2 ++ 1 file changed, 2 insertions(+) --- base-commit: 0e1980c40b6edfa68b6acf926bab22448a6e40c9 change-id: 20240603-rb2-l9a-aon-d1292bad5aaa Best regards, diff --git a/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts b/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts index 2c39bb1b97db..e0c14d23b909 100644 --- a/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts +++ b/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts @@ -403,6 +403,8 @@ vreg_l9a_1p8: l9 { regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; regulator-allow-set-load; + regulator-always-on; + regulator-boot-on; }; vreg_l10a_1p8: l10 {