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Mon, 29 May 2023 09:16:42 -0700 (PDT) Received: from [192.168.2.177] ([207.188.167.132]) by smtp.gmail.com with ESMTPSA id m7-20020a056000180700b003062d815fa6sm394876wrh.85.2023.05.29.09.16.41 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 29 May 2023 09:16:41 -0700 (PDT) Message-ID: Date: Mon, 29 May 2023 18:16:40 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.10.0 Subject: Re: [PATCH] arm64: dts: mt8173: Power on panel regulator on boot Content-Language: en-US, ca-ES, es-ES To: Pin-yen Lin , Rob Herring , Krzysztof Kozlowski , AngeloGioacchino Del Regno Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Doug Anderson References: <20230417123956.926266-1-treapking@chromium.org> From: Matthias Brugger In-Reply-To: <20230417123956.926266-1-treapking@chromium.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230529_091646_368174_6BEF0F2B X-CRM114-Status: GOOD ( 16.00 ) 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: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 17/04/2023 14:39, Pin-yen Lin wrote: > Add "regulator-boot-on" to "panel_fixed_3v3" to save time on powering > the regulator during boot. Also add "off-on-delay-us" to the node to > make sure the regulator never violates the panel timing requirements. > > Signed-off-by: Pin-yen Lin > Applied, thanks! > --- > > arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi b/arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi > index d77f6af19065..03d1ab2ca820 100644 > --- a/arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi > +++ b/arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi > @@ -96,6 +96,8 @@ panel_fixed_3v3: regulator1 { > regulator-min-microvolt = <3300000>; > regulator-max-microvolt = <3300000>; > enable-active-high; > + regulator-boot-on; > + off-on-delay-us = <500000>; > gpio = <&pio 41 GPIO_ACTIVE_HIGH>; > pinctrl-names = "default"; > pinctrl-0 = <&panel_fixed_pins>; _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel