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Wed, 12 Jun 2024 10:38:16 +0000 Received: from TY3P286MB2611.JPNP286.PROD.OUTLOOK.COM ([fe80::85b8:3d49:3d3e:2b3]) by TY3P286MB2611.JPNP286.PROD.OUTLOOK.COM ([fe80::85b8:3d49:3d3e:2b3%5]) with mapi id 15.20.7677.019; Wed, 12 Jun 2024 10:38:16 +0000 From: Shengyu Qu To: kernel@esmil.dk, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, william.qiu@starfivetech.com, devicetree@vger.kernel.org, linux-riscv@lists.infradead.org Cc: Shengyu Qu , stable@vger.kernel.org Subject: [PATCH v2] riscv: dts: starfive: Set EMMC vqmmc maximum voltage to 3.3V on JH7110 boards Date: Wed, 12 Jun 2024 18:33:31 +0800 Message-ID: X-Mailer: git-send-email 2.39.2 X-TMN: [G87vWAOj5j+EnV6LHJTQcIMi3nWtEb0LNSHZCwZ0pFM=] X-ClientProxiedBy: SG2PR01CA0135.apcprd01.prod.exchangelabs.com (2603:1096:4:8f::15) To TY3P286MB2611.JPNP286.PROD.OUTLOOK.COM (2603:1096:400:23e::10) X-Microsoft-Original-Message-ID: <20240612103331.1475-1-wiagn233@outlook.com> MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: TY3P286MB2611:EE_|TYWP286MB3208:EE_ X-MS-Office365-Filtering-Correlation-Id: 93b217a6-a3dd-4ca0-2101-08dc8acbc4a6 X-Microsoft-Antispam: BCL:0;ARA:14566002|461199020|440099020|3412199017|1710799020; 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X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Currently, for JH7110 boards with EMMC slot, vqmmc voltage for EMMC is fixed to 1.8V, while the spec needs it to be 3.3V on low speed mode and should support switching to 1.8V when using higher speed mode. Since there are no other peripherals using the same voltage source of EMMC's vqmmc(ALDO4) on every board currently supported by mainline kernel, regulator-max-microvolt of ALDO4 should be set to 3.3V. Cc: stable@vger.kernel.org Signed-off-by: Shengyu Qu Fixes: 7dafcfa79cc9 ("riscv: dts: starfive: enable DCDC1&ALDO4 node in axp15060") --- arch/riscv/boot/dts/starfive/jh7110-common.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/riscv/boot/dts/starfive/jh7110-common.dtsi b/arch/riscv/boot/dts/starfive/jh7110-common.dtsi index 37b4c294ffcc..c7a549ec7452 100644 --- a/arch/riscv/boot/dts/starfive/jh7110-common.dtsi +++ b/arch/riscv/boot/dts/starfive/jh7110-common.dtsi @@ -244,7 +244,7 @@ emmc_vdd: aldo4 { regulator-boot-on; regulator-always-on; regulator-min-microvolt = <1800000>; - regulator-max-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; regulator-name = "emmc_vdd"; }; };