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[81.242.140.229]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-434aa763c50sm231266915e9.12.2024.12.03.12.38.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Dec 2024 12:38:47 -0800 (PST) From: Philippe Simons To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), linux-arm-kernel@lists.infradead.org (moderated list:ARM/Allwinner sunXi SoC support), linux-sunxi@lists.linux.dev (open list:ARM/Allwinner sunXi SoC support), linux-kernel@vger.kernel.org (open list) Cc: Philippe Simons Subject: [PATCH] arm64: dts: allwinner: h616: rg35xx add missing regulator-ramp-delay Date: Tue, 3 Dec 2024 21:38:23 +0100 Message-ID: <20241203203824.23306-1-simons.philippe@gmail.com> X-Mailer: git-send-email 2.47.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241203_123850_284261_E496045B X-CRM114-Status: UNSURE ( 9.68 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org AXP datasheet says that ramp delay is 15.625 us/step, which is 10mV in our case. add missing regulator-ramp-delay to dcdc regulators accordingly Signed-off-by: Philippe Simons --- .../boot/dts/allwinner/sun50i-h700-anbernic-rg35xx-2024.dts | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h700-anbernic-rg35xx-2024.dts b/arch/arm64/boot/dts/allwinner/sun50i-h700-anbernic-rg35xx-2024.dts index 80ccab7b5..b6e76a804 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-h700-anbernic-rg35xx-2024.dts +++ b/arch/arm64/boot/dts/allwinner/sun50i-h700-anbernic-rg35xx-2024.dts @@ -238,6 +238,7 @@ reg_dcdc1: dcdc1 { regulator-always-on; regulator-min-microvolt = <900000>; regulator-max-microvolt = <1160000>; + regulator-ramp-delay = <640>; regulator-name = "vdd-cpu"; }; @@ -245,6 +246,7 @@ reg_dcdc2: dcdc2 { regulator-always-on; regulator-min-microvolt = <940000>; regulator-max-microvolt = <940000>; + regulator-ramp-delay = <640>; regulator-name = "vdd-gpu-sys"; }; @@ -252,6 +254,7 @@ reg_dcdc3: dcdc3 { regulator-always-on; regulator-min-microvolt = <1100000>; regulator-max-microvolt = <1100000>; + regulator-ramp-delay = <640>; regulator-name = "vdd-dram"; };