Message ID | 20201105054135.24860-3-samuel@sholland.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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Thu, 5 Nov 2020 00:41:36 -0500 (EST) From: Samuel Holland <samuel@sholland.org> To: Maxime Ripard <mripard@kernel.org>, Chen-Yu Tsai <wens@csie.org>, Jernej Skrabec <jernej.skrabec@siol.net>, linux-arm-kernel@lists.infradead.org Subject: [PATCH 2/6] arm64: dts: allwinner: pinephone: Set ALDO3 to exactly 3v0 Date: Wed, 4 Nov 2020 23:41:31 -0600 Message-Id: <20201105054135.24860-3-samuel@sholland.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201105054135.24860-1-samuel@sholland.org> References: <20201105054135.24860-1-samuel@sholland.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201105_004138_039793_ECF90CCA X-CRM114-Status: GOOD ( 12.92 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: <linux-arm-kernel.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-arm-kernel/> List-Post: <mailto:linux-arm-kernel@lists.infradead.org> List-Help: <mailto:linux-arm-kernel-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe> Cc: devicetree@vger.kernel.org, linux-sunxi@googlegroups.com, Rob Herring <robh+dt@kernel.org>, linux-kernel@vger.kernel.org, Samuel Holland <samuel@sholland.org> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org |
Series |
PinePhone Device Tree Enhancements
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expand
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diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi index 48050bbd941d..57c89c3b71e9 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi @@ -270,8 +270,8 @@ ®_aldo2 { ®_aldo3 { regulator-always-on; - regulator-min-microvolt = <2700000>; - regulator-max-microvolt = <3300000>; + regulator-min-microvolt = <3000000>; + regulator-max-microvolt = <3000000>; regulator-name = "vcc-pll-avcc"; };
ALDO3 is used as the power supply for the LRADC keys voltage divider, in addition to supplying AVCC and VCC-PLL. While AVCC and VCC-PLL will accept any voltage between 2v7 and 3v3, LRADC needs a precise 3v0 input to maintain the expected 2:3 ratio between the internal 2v0 reference voltage and the external supply. Signed-off-by: Samuel Holland <samuel@sholland.org> --- arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)