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[98.233.193.225]) by smtp.gmail.com with ESMTPSA id n2sm483389qti.59.2022.01.26.17.00.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 Jan 2022 17:00:28 -0800 (PST) From: Peter Geis To: Rob Herring , Heiko Stuebner , Peter Geis Cc: Rob Herring , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/3] arm64: dts: rockchip: fix Quartz64-A ddr regulator voltage Date: Wed, 26 Jan 2022 20:00:21 -0500 Message-Id: <20220127010023.3169415-2-pgwipeout@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220127010023.3169415-1-pgwipeout@gmail.com> References: <20220127010023.3169415-1-pgwipeout@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220126_170029_936928_E9AE80A1 X-CRM114-Status: GOOD ( 10.16 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org The Quartz64 Model A uses a voltage divider to ensure ddr voltage is within specification from the default regulator configuration. Adjusting this voltage is detrimental, and currently causes the ddr voltage to be about 0.8v. Remove the min and max voltage setpoints for the ddr regulator. Fixes: b33a22a1e7c4 ("arm64: dts: rockchip: add basic dts for Pine64 Quartz64-A") Signed-off-by: Peter Geis --- arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts | 2 -- 1 file changed, 2 deletions(-) diff --git a/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts b/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts index 166399b7f13f..d9eb92d59099 100644 --- a/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts +++ b/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts @@ -285,8 +285,6 @@ regulator-state-mem { vcc_ddr: DCDC_REG3 { regulator-always-on; regulator-boot-on; - regulator-min-microvolt = <1100000>; - regulator-max-microvolt = <1100000>; regulator-initial-mode = <0x2>; regulator-name = "vcc_ddr"; regulator-state-mem {