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Dong" , Joakim Zhang Subject: [PATCH V2 2/3] ARM: dts: imx6sx-sabreauto: Add flexcan support Thread-Topic: [PATCH V2 2/3] ARM: dts: imx6sx-sabreauto: Add flexcan support Thread-Index: AQHUcCyFiwbWkW8X2EeXMrS7m4w22g== Date: Tue, 30 Oct 2018 08:42:42 +0000 Message-ID: <20181030083954.26440-3-qiangqing.zhang@nxp.com> References: <20181030083954.26440-1-qiangqing.zhang@nxp.com> In-Reply-To: <20181030083954.26440-1-qiangqing.zhang@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.17.1 x-clientproxiedby: SG2PR0302CA0022.apcprd03.prod.outlook.com (2603:1096:3:2::32) To DB7PR04MB4618.eurprd04.prod.outlook.com (2603:10a6:5:36::24) authentication-results: spf=none (sender IP is ) smtp.mailfrom=qiangqing.zhang@nxp.com; x-ms-exchange-messagesentrepresentingtype: 1 x-originating-ip: [92.121.68.129] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;DB7PR04MB4538;6:ujsTp1AaF7wlVAVe7FPL87D0T9nNFhPWxw/Itux+F/9tcG5SihgJkr8gIkl6kQ7dvIVUqQI5CxUbbNlB5nnnk6R0WsUcRWKYzWeAHdC9zG4fT1tl5G3YUESgboNdoz/JJSdOjwsaXDv+IBATq5oGCwnQ92Eh5Zv5FK3eyOm//gSVCRWG0DsFWoz4OdKXqZ5FpOZ3VteZRQHTTk0VWOQjVRmv+Y+LSw74Hl8Q7NHUORf0PTB++zUW0hjQf3ZZ15uL+VEzswRoHXA7oCngusLtWa/cYeRqIqMBMEsU+EnInpVfWrJlti4J2wFYVh4Q/gYLy4LN3mtN+0HG3qhhgCEZsWRxoFtGLvPnj7JnqotKNPRBRI9s6c6hoipCvec8YqBhzBDLEB0sybgFGOYvgrB7s57AVvTagHba58xB57IlaM/Da+uDEwrBtHNIy+CiWMdHgiwr/EIvC1f8L+dURbtBQQ==;5:O2vP3GAZmNLdR6/lTvM4rg3y2h9LQN95YTBHlApU0YjZKSH7vyJlWAdWoyu/TX5dHEwVFoccmCFgzMLTaBaF0pNpmoQbORY12fP06gLj3sEnLT3XvQTsgX8cNkfehSlpLvauCSFzlhz1J/GsqwnlFziN9Sjdd0zLGWrsYISvLcc=;7:sJEreRgQdFQj49Lq1D38iOYkNBgsJHwfYFlK/9RK2Vr7306s0zO+bAGujN8YeErHH7s8fJe2Q78Y53FAm8ilxwctk9ihHaVGpcccjwYo2d6DzwPuk0Hn7T1eEd00WBZbOlZx3CtMQ/yatysSaOqwBQ== x-ms-office365-filtering-correlation-id: c85e76f0-cdda-46ef-320d-08d63e43a812 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0;PCL:0;RULEID:(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600074)(711020)(4618075)(2017052603328)(7153060)(7193020);SRVR:DB7PR04MB4538; x-ms-traffictypediagnostic: DB7PR04MB4538: x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:(185117386973197); x-ms-exchange-senderadcheck: 1 x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(8211001083)(6040522)(2401047)(8121501046)(5005006)(10201501046)(3002001)(93006095)(93001095)(3231382)(944501410)(52105095)(6055026)(148016)(149066)(150057)(6041310)(20161123560045)(20161123564045)(20161123562045)(20161123558120)(201703131423095)(201702281528075)(20161123555045)(201703061421075)(201703061406153)(201708071742011)(7699051)(76991095);SRVR:DB7PR04MB4538;BCL:0;PCL:0;RULEID:;SRVR:DB7PR04MB4538; x-forefront-prvs: 08417837C5 x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(396003)(366004)(346002)(39860400002)(376002)(136003)(199004)(189003)(386003)(6436002)(81166006)(575784001)(446003)(110136005)(52116002)(26005)(53936002)(305945005)(1076002)(54906003)(50226002)(71190400001)(476003)(81156014)(7736002)(36756003)(4326008)(2906002)(486006)(14454004)(25786009)(2616005)(6512007)(5250100002)(66066001)(86362001)(316002)(11346002)(6486002)(256004)(3846002)(6116002)(71200400001)(97736004)(102836004)(2900100001)(8676002)(8936002)(186003)(76176011)(99286004)(2501003)(478600001)(106356001)(68736007)(6506007)(5660300001)(105586002)(32563001);DIR:OUT;SFP:1101;SCL:1;SRVR:DB7PR04MB4538;H:DB7PR04MB4618.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-microsoft-antispam-message-info: YG4e50dgxqOQIcwI/7Ij8Je4iMymmGFpVEr29CmwdqYfCym1mUcwZqdH/+5xadSAasGOJr9ctL/53llx3P55HgVe5foFF/XWMxQdgy9eyepWML9t67k1CPZ+tvnm6xYOVDpAYtswZu1G+jb4UY+WXJmrkoO/c37splWF86tpH5T70Y93Lv5voGG3RHNkhIM3iRAFx4IZW8OSoM3auitTQisw9LkDAflMxljHG1MufaI+ecDV7fGoVNPtZxNi5zR06knohkgIGB0CxhkS5Xngu6QVJLefTB5mfMnBQjbEMMUfhUZPjviRw/aIF5DlqGf5++6/Wx4rP6xzoUyGCX5JXxGzluw3qxkcixsvkg+j6WU= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: c85e76f0-cdda-46ef-320d-08d63e43a812 X-MS-Exchange-CrossTenant-originalarrivaltime: 30 Oct 2018 08:42:42.6361 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB7PR04MB4538 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Dong Aisheng The CAN transceiver on MX6SX Sabreauto board seems in sleep mode by default after power up the board. User has to press the wakeup key on ARD baseboard before using the transceiver, or it may not work properly when power up the board at the first time(warm reset does not have such issue). This patch operates the wake pin too besides stby/en pins by chaining them together in regulator mode. Signed-off-by: Dong Aisheng Signed-off-by: Joakim Zhang --- arch/arm/boot/dts/imx6sx-sabreauto.dts | 57 ++++++++++++++++++++++++++ 1 file changed, 57 insertions(+) diff --git a/arch/arm/boot/dts/imx6sx-sabreauto.dts b/arch/arm/boot/dts/imx= 6sx-sabreauto.dts index 841a27f3198f..8f3319e7692f 100644 --- a/arch/arm/boot/dts/imx6sx-sabreauto.dts +++ b/arch/arm/boot/dts/imx6sx-sabreauto.dts @@ -36,6 +36,35 @@ gpio =3D <&gpio2 11 GPIO_ACTIVE_HIGH>; enable-active-high; }; + + reg_can_wake: regulator-can-wake { + compatible =3D "regulator-fixed"; + regulator-name =3D "can-wake"; + regulator-min-microvolt =3D <3300000>; + regulator-max-microvolt =3D <3300000>; + gpio =3D <&max7310_b 7 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + + reg_can_en: regulator-can-en { + compatible =3D "regulator-fixed"; + regulator-name =3D "can-en"; + regulator-min-microvolt =3D <3300000>; + regulator-max-microvolt =3D <3300000>; + gpio =3D <&max7310_b 5 GPIO_ACTIVE_HIGH>; + enable-active-high; + vin-supply =3D <®_can_wake>; + }; + + reg_can_stby: regulator-can-stby { + compatible =3D "regulator-fixed"; + regulator-name =3D "can-stby"; + regulator-min-microvolt =3D <3300000>; + regulator-max-microvolt =3D <3300000>; + gpio =3D <&max7310_b 4 GPIO_ACTIVE_HIGH>; + enable-active-high; + vin-supply =3D <®_can_en>; + }; }; =20 &anaclk2 { @@ -75,6 +104,20 @@ status =3D "okay"; }; =20 +&flexcan1 { + pinctrl-names =3D "default"; + pinctrl-0 =3D <&pinctrl_flexcan1>; + xceiver-supply =3D <®_can_stby>; + status =3D "okay"; +}; + +&flexcan2 { + pinctrl-names =3D "default"; + pinctrl-0 =3D <&pinctrl_flexcan2>; + xceiver-supply =3D <®_can_stby>; + status =3D "okay"; +}; + &uart1 { pinctrl-names =3D "default"; pinctrl-0 =3D <&pinctrl_uart1>; @@ -149,6 +192,20 @@ >; }; =20 + pinctrl_flexcan1: flexcan1grp { + fsl,pins =3D < + MX6SX_PAD_QSPI1B_DQS__CAN1_TX 0x1b020 + MX6SX_PAD_QSPI1A_SS1_B__CAN1_RX 0x1b020 + >; + }; + + pinctrl_flexcan2: flexcan2grp { + fsl,pins =3D < + MX6SX_PAD_QSPI1B_SS1_B__CAN2_RX 0x1b020 + MX6SX_PAD_QSPI1A_DQS__CAN2_TX 0x1b020 + >; + }; + pinctrl_i2c2: i2c2grp { fsl,pins =3D < MX6SX_PAD_GPIO1_IO03__I2C2_SDA 0x4001b8b1 --=20 2.17.1