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([2a10:a5c0:800d:dd00:8fdf:935a:2c85:d703]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-54fc645d082sm2579696e87.76.2025.05.15.02.20.29 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 15 May 2025 02:20:30 -0700 (PDT) Message-ID: Date: Thu, 15 May 2025 12:20:29 +0300 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 7/9] arm64: dts: imx8mn-bsh-smm-s2-common: Set minimum value for VDD_3V3 To: Dario Binacchi , linux-kernel@vger.kernel.org Cc: Simon Holesch , Karthikdatt Anantharamrao , michael@amarulasolutions.com, linux-amarula@amarulasolutions.com, Wolfgang Birkner , Conor Dooley , Fabio Estevam , Krzysztof Kozlowski , Pengutronix Kernel Team , Rob Herring , Sascha Hauer , Shawn Guo , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org References: <20250514082507.1983849-1-dario.binacchi@amarulasolutions.com> <20250514082507.1983849-8-dario.binacchi@amarulasolutions.com> Content-Language: en-US, en-AU, en-GB, en-BW From: Matti Vaittinen In-Reply-To: <20250514082507.1983849-8-dario.binacchi@amarulasolutions.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250515_022032_923948_824D86D8 X-CRM114-Status: GOOD ( 14.31 ) 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 On 14/05/2025 11:25, Dario Binacchi wrote: > From: Wolfgang Birkner > > Buck4 is called Buck6 in the BD71847 datasheet. This buck supports > 2.6...3.3V. Set the minimum allowed value. Same comment as for 6/9. Please provide better rationale than the PMIC's limits. > > Signed-off-by: Wolfgang Birkner > Signed-off-by: Dario Binacchi > --- > > arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2-common.dtsi | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2-common.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2-common.dtsi > index 81fa0a8767e2..04112a83b1d3 100644 > --- a/arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2-common.dtsi > +++ b/arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2-common.dtsi > @@ -144,7 +144,7 @@ buck3_reg: BUCK3 { > buck4_reg: BUCK4 { > /* PMIC_BUCK6 - VDD_3V3 */ > regulator-name = "buck4"; > - regulator-min-microvolt = <3000000>; > + regulator-min-microvolt = <2600000>; > regulator-max-microvolt = <3300000>; > regulator-boot-on; > regulator-always-on; Yours, -- Matti