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Mon, 25 Jun 2018 04:35:03 +0000 From: Robin Gong To: shawnguo@kernel.org, kernel@pengutronix.de, fabio.estevam@nxp.com, robh+dt@kernel.org, mark.rutland@arm.com, anson.huang@nxp.com Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-imx@nxp.com Subject: [PATCH v1] ARM: dts: imx6sl-evk: keep sw4 always on Date: Mon, 25 Jun 2018 20:34:11 +0800 Message-Id: <1529930051-14122-1-git-send-email-yibin.gong@nxp.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [119.31.174.66] X-ClientProxiedBy: HK2PR0401CA0003.apcprd04.prod.outlook.com (2603:1096:202:2::13) To DB6PR04MB3223.eurprd04.prod.outlook.com (2603:10a6:6:6::19) X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 2d7b3de1-2183-4722-c4b6-08d5da550735 X-MS-Office365-Filtering-HT: Tenant X-Microsoft-Antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652020)(8989117)(4534165)(4627221)(201703031133081)(201702281549075)(8990107)(5600026)(711020)(48565401081)(2017052603328)(7153060)(7193020);SRVR:DB6PR04MB3223; 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But it's disabled after switch disabled interface implemented in pfuze driver 'commit 5fe156f1cab4 ("regulator: pfuze100: add enable/disable for switch")'.Thus, it breaks kernel bootup. Add 'regulator-always-on' for SW4. Signed-off-by: Robin Gong --- arch/arm/boot/dts/imx6sl-evk.dts | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/imx6sl-evk.dts b/arch/arm/boot/dts/imx6sl-evk.dts index 37e792f..798df66 100644 --- a/arch/arm/boot/dts/imx6sl-evk.dts +++ b/arch/arm/boot/dts/imx6sl-evk.dts @@ -199,6 +199,7 @@ sw4_reg: sw4 { regulator-min-microvolt = <800000>; regulator-max-microvolt = <3300000>; + regulator-always-on; }; swbst_reg: swbst { -- 2.7.4 From mboxrd@z Thu Jan 1 00:00:00 1970 From: yibin.gong@nxp.com (Robin Gong) Date: Mon, 25 Jun 2018 20:34:11 +0800 Subject: [PATCH v1] ARM: dts: imx6sl-evk: keep sw4 always on Message-ID: <1529930051-14122-1-git-send-email-yibin.gong@nxp.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org SW4 is one power rail for LPDDR2 on i.mx6sl-evk, so it should be kept always on. But it's disabled after switch disabled interface implemented in pfuze driver 'commit 5fe156f1cab4 ("regulator: pfuze100: add enable/disable for switch")'.Thus, it breaks kernel bootup. Add 'regulator-always-on' for SW4. Signed-off-by: Robin Gong --- arch/arm/boot/dts/imx6sl-evk.dts | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/imx6sl-evk.dts b/arch/arm/boot/dts/imx6sl-evk.dts index 37e792f..798df66 100644 --- a/arch/arm/boot/dts/imx6sl-evk.dts +++ b/arch/arm/boot/dts/imx6sl-evk.dts @@ -199,6 +199,7 @@ sw4_reg: sw4 { regulator-min-microvolt = <800000>; regulator-max-microvolt = <3300000>; + regulator-always-on; }; swbst_reg: swbst { -- 2.7.4