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Mon, 12 Aug 2019 14:21:21 +0000 From: Philippe Schenker To: Marcel Ziswiler , Max Krummenacher , "stefan@agner.ch" , "devicetree@vger.kernel.org" , Rob Herring , Shawn Guo , Mark Rutland , =?iso-8859-2?Q?Michal_Vok=E1=E8?= , Fabio Estevam CC: Oleksandr Suvorov , Philippe Schenker , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , Pengutronix Kernel Team , NXP Linux Team , Sascha Hauer Subject: [PATCH v4 05/21] ARM: dts: imx7-colibri: add recovery for I2C for iMX7 Thread-Topic: [PATCH v4 05/21] ARM: dts: imx7-colibri: add recovery for I2C for iMX7 Thread-Index: AQHVURk2Uw5ESt/Pfk61M9kvOJGjAA== Date: Mon, 12 Aug 2019 14:21:21 +0000 Message-ID: <20190812142105.1995-6-philippe.schenker@toradex.com> References: <20190812142105.1995-1-philippe.schenker@toradex.com> In-Reply-To: <20190812142105.1995-1-philippe.schenker@toradex.com> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: VI1P194CA0055.EURP194.PROD.OUTLOOK.COM (2603:10a6:803:3c::44) To VI1PR0502MB3965.eurprd05.prod.outlook.com (2603:10a6:803:23::29) authentication-results: spf=none (sender IP is ) smtp.mailfrom=philippe.schenker@toradex.com; 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received-spf: None (protection.outlook.com: toradex.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: Nu/vkf1dbL5shZEEuvd48NVNc7c0bzlV8gWeiihxZI8HSsrVtCzQ6Hdk+lS72TV8gufmZs9mwChTE/olnDdSkXGWPMpx0hf8JGQ/75zcIrjuOrW0sSHYCoDy5zpbA6LYkX4Hlw3psH1ogFsI+89QX8wzk/lDx11H2E7YfroqeBvugszfqGglHVmWz+e7I8dNqeZYd5GcPhPeZE5iC9tlaqtF4KcrTCG02LI2Kp0OicJNX+/+v10gbj3d8wh3KmJUwZmIQiXNOIZSLUNiGVSeTWRevCYwpQDmyNYW+hA3Axi8lRp3mwmUJPScLCEku+siYOEUNCb6AEgkdKleNaaUhxKO42adKeV3K8NJ+8h6S6dI1aj3O7wFO8Gdl7EQ6tLsrSVS3NaQ8iUzVx8kSAprqlrJlPyjTch6no5svAEXspk= Content-Type: text/plain; charset="iso-8859-2" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: toradex.com X-MS-Exchange-CrossTenant-Network-Message-Id: 2d14e5e4-58d1-4734-2f5b-08d71f305927 X-MS-Exchange-CrossTenant-originalarrivaltime: 12 Aug 2019 14:21:21.4703 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: d9995866-0d9b-4251-8315-093f062abab4 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: p9u94HAvqzKKIZsfFP15tDaSGJeHE7njq4y9Y3XVd5XY0amHtQHAtI1AkfsTc46erMCo0AzkctJUs8wH3o7IulsfE8Zt1WrUqBP3CmYjPyo= X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR0502MB2942 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Oleksandr Suvorov - add recovery mode for applicable i2c buses for Colibri iMX7 module. Signed-off-by: Oleksandr Suvorov Signed-off-by: Philippe Schenker --- Changes in v4: - Make scl-gpios and sda-gpios (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN) - Change commit title to Michal's suggestion Changes in v3: None Changes in v2: None arch/arm/boot/dts/imx7-colibri.dtsi | 25 +++++++++++++++++++++++-- 1 file changed, 23 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/imx7-colibri.dtsi b/arch/arm/boot/dts/imx7-c= olibri.dtsi index a8d992f3e897..cab40d22d24e 100644 --- a/arch/arm/boot/dts/imx7-colibri.dtsi +++ b/arch/arm/boot/dts/imx7-colibri.dtsi @@ -140,8 +140,12 @@ =20 &i2c1 { clock-frequency =3D <100000>; - pinctrl-names =3D "default"; + pinctrl-names =3D "default", "gpio"; pinctrl-0 =3D <&pinctrl_i2c1 &pinctrl_i2c1_int>; + pinctrl-1 =3D <&pinctrl_i2c1_recovery &pinctrl_i2c1_int>; + scl-gpios =3D <&gpio1 4 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + sda-gpios =3D <&gpio1 5 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + status =3D "okay"; =20 codec: sgtl5000@a { @@ -242,8 +246,11 @@ =20 &i2c4 { clock-frequency =3D <100000>; - pinctrl-names =3D "default"; + pinctrl-names =3D "default", "gpio"; pinctrl-0 =3D <&pinctrl_i2c4>; + pinctrl-1 =3D <&pinctrl_i2c4_recovery>; + scl-gpios =3D <&gpio7 8 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + sda-gpios =3D <&gpio7 9 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; }; =20 &lcdif { @@ -540,6 +547,13 @@ >; }; =20 + pinctrl_i2c4_recovery: i2c4-recoverygrp { + fsl,pins =3D < + MX7D_PAD_ENET1_RGMII_TD2__GPIO7_IO8 0x4000007f + MX7D_PAD_ENET1_RGMII_TD3__GPIO7_IO9 0x4000007f + >; + }; + pinctrl_lcdif_dat: lcdif-dat-grp { fsl,pins =3D < MX7D_PAD_LCD_DATA00__LCD_DATA0 0x79 @@ -740,6 +754,13 @@ >; }; =20 + pinctrl_i2c1_recovery: i2c1-recoverygrp { + fsl,pins =3D < + MX7D_PAD_LPSR_GPIO1_IO04__GPIO1_IO4 0x4000007f + MX7D_PAD_LPSR_GPIO1_IO05__GPIO1_IO5 0x4000007f + >; + }; + pinctrl_cd_usdhc1: usdhc1-cd-grp { fsl,pins =3D < MX7D_PAD_LPSR_GPIO1_IO00__GPIO1_IO0 0x59 /* CD */ --=20 2.22.0