From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yangtao Li Subject: [PATCH 2/4] arm64: dts: allwinner: h6: pine: Add CPU supply regulator Date: Thu, 14 Feb 2019 08:09:08 -0500 Message-ID: <20190214130910.9201-3-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 pine 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-pine-h64.dts | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6-pine-h64.dts b/arch/arm64/boot/dts/allwinner/sun50i-h6-pine-h64.dts index bdb8470fc8dc..95c81250c2b3 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-h6-pine-h64.dts +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6-pine-h64.dts @@ -213,8 +213,8 @@ 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"; }; @@ -251,6 +251,10 @@ }; }; +&cpu0 { + cpu-supply = <®_dcdca>; +}; + &uart0 { pinctrl-names = "default"; pinctrl-0 = <&uart0_ph_pins>; -- 2.17.0