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Tue, 28 May 2019 15:24:09 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=ai9jwiNPVbNdbcJ/T84LdDnIB5vxKJDYi8EuBQKg02s=; b=cBkcZmNWxtxHIKfhWmHJ1RuLpMdI7Tz2xr6AAOB4w/wkpO2sNnDTKm3IxTnMcizgj52YW3Ws1s/7QerNPWmZOKcBpqzKtny67p+OxaNqDn9h5uJ6ca9KpjdHRRrFKyDmv/1JrDxeU4YOhylGZ4olu2gwqGftr9YfV5ug6uNIm58= Received: from VI1PR04MB5055.eurprd04.prod.outlook.com (20.177.50.140) by VI1PR04MB4557.eurprd04.prod.outlook.com (20.177.55.215) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1922.16; Tue, 28 May 2019 19:24:05 +0000 Received: from VI1PR04MB5055.eurprd04.prod.outlook.com ([fe80::9577:379c:2078:19a1]) by VI1PR04MB5055.eurprd04.prod.outlook.com ([fe80::9577:379c:2078:19a1%7]) with mapi id 15.20.1922.021; Tue, 28 May 2019 19:24:05 +0000 From: Leonard Crestez To: Anson Huang CC: "robh+dt@kernel.org" , "mark.rutland@arm.com" , "shawnguo@kernel.org" , "s.hauer@pengutronix.de" , "kernel@pengutronix.de" , "festevam@gmail.com" , "devicetree@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , dl-linux-imx Subject: Re: [PATCH RESEND 2/5] ARM: dts: imx7d-sdb: Assign corresponding power supply for LDOs Thread-Topic: [PATCH RESEND 2/5] ARM: dts: imx7d-sdb: Assign corresponding power supply for LDOs Thread-Index: AQHVCKkZHNdBkg2sXkeS6OCWrMrKwQ== Date: Tue, 28 May 2019 19:24:04 +0000 Message-ID: References: <1557654739-12564-1-git-send-email-Anson.Huang@nxp.com> <1557654739-12564-2-git-send-email-Anson.Huang@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=leonard.crestez@nxp.com; x-originating-ip: [89.37.124.34] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: a7eaac96-865a-4e83-fbc3-08d6e3a20c55 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600148)(711020)(4605104)(1401327)(4618075)(2017052603328)(7193020);SRVR:VI1PR04MB4557; x-ms-traffictypediagnostic: VI1PR04MB4557: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:4502; x-forefront-prvs: 00514A2FE6 x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(39860400002)(376002)(346002)(136003)(366004)(396003)(199004)(189003)(229853002)(446003)(74316002)(9686003)(5660300002)(6436002)(55016002)(6862004)(6246003)(76176011)(6636002)(4326008)(7696005)(54906003)(53936002)(99286004)(66066001)(256004)(71190400001)(71200400001)(478600001)(14454004)(316002)(4744005)(33656002)(3846002)(476003)(6116002)(2906002)(44832011)(486006)(305945005)(186003)(81166006)(52536014)(102836004)(73956011)(66946007)(68736007)(66556008)(81156014)(86362001)(7736002)(64756008)(66446008)(8936002)(66476007)(76116006)(8676002)(25786009)(53546011)(6506007)(26005);DIR:OUT;SFP:1101;SCL:1;SRVR:VI1PR04MB4557;H:VI1PR04MB5055.eurprd04.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1;MX:1; received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: 0j+DgTF6NH1DBCGTSwBl0+4yMycwEiAvvQ4QXasZWxZxIYXpescSRWXRqyuVaN0tzhlSjL9wWgepDghtc0XRNKCxbOfBP/TMffyfYBhNyHPJnFnHgIpoAUtoNN/g38N0KFPOVxfApM2mSdJagd9Q5NXMq7tWpBkS/M93fFNErwMwsUTJHKa3c8MdyWbOF6gY7nmR2AB7IJ/4K9Yqs0Q000MVcORtfSnqds8CMmFF7t93wlqY630KJAaq3VtK73Pk6rpoHL8KMRO0wafb1om5vRu5uwVyAelOYCVUR4cL8F3K7zTgOuR43SMjiU/VmRx1d/mojE87fNHns6+fGNita8dXa5fo3IB/QhQjL3UMKty8k8UMsYQ8oUHgW3jameE4xPhDCQ/dNPddP27TN+3wqymAZr036kfjCBBIVVbOS6U= Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: a7eaac96-865a-4e83-fbc3-08d6e3a20c55 X-MS-Exchange-CrossTenant-originalarrivaltime: 28 May 2019 19:24:04.9423 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: leonard.crestez@nxp.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR04MB4557 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12.05.2019 12:57, Anson Huang wrote:=0A= > On i.MX7D SDB board, sw2 supplies 1p0d/1p2 LDO, this patch assigns=0A= > corresponding power supply for 1p0d/1p2 LDO to avoid confusion by=0A= > below log:=0A= > =0A= > vdd1p0d: supplied by regulator-dummy=0A= > vdd1p2: supplied by regulator-dummy=0A= > =0A= > With this patch, the power supply is more accurate:=0A= > =0A= > vdd1p0d: supplied by SW2=0A= > vdd1p2: supplied by SW2=0A= > =0A= > diff --git a/arch/arm/boot/dts/imx7d-sdb.dts b/arch/arm/boot/dts/imx7d-sd= b.dts=0A= >=0A= > +®_1p0d {=0A= > + vin-supply =3D <&sw2_reg>;=0A= > +};=0A= > +=0A= > +®_1p2 {=0A= > + vin-supply =3D <&sw2_reg>;=0A= > +};=0A= =0A= It's not clear why but this patch breaks imx7d-sdb boot. Checked two =0A= boards: in a board farm and on my desk.=0A= =0A= --=0A= Regards,=0A= Leonard=0A=