From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yangtao Li Subject: [PATCH 1/4] arm64: dts: allwinner: h6: orangepi: Add CPU supply regulator Date: Thu, 14 Feb 2019 08:09:07 -0500 Message-ID: <20190214130910.9201-2-tiny.windzz@gmail.com> References: <20190214130910.9201-1-tiny.windzz@gmail.com> Return-path: In-Reply-To: <20190214130910.9201-1-tiny.windzz@gmail.com> Sender: linux-kernel-owner@vger.kernel.org To: maxime.ripard@bootlin.com, wens@csie.org, robh+dt@kernel.org Cc: mark.rutland@arm.com, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Yangtao Li List-Id: devicetree@vger.kernel.org The original orangepi use the dcdca to supply the CPU cores. According to the axp805 spec, the range of dcdca is 0.6 to 1.1v, 1.12 to 1.52v. In order to support more CPU frequency, slightly increase the voltage maximum and minimum. Signed-off-by: Yangtao Li --- arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi.dtsi | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi.dtsi index b2526dac2fcf..e7aebaf91ede 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi.dtsi @@ -159,8 +159,8 @@ reg_dcdca: dcdca { regulator-always-on; - regulator-min-microvolt = <810000>; - regulator-max-microvolt = <1080000>; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <1160000>; regulator-name = "vdd-cpu"; }; @@ -191,6 +191,10 @@ }; }; +&cpu0 { + cpu-supply = <®_dcdca>; +}; + &uart0 { pinctrl-names = "default"; pinctrl-0 = <&uart0_ph_pins>; -- 2.17.0