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x-ms-exchange-antispam-messagedata: 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 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 0b09c713-a33f-4c75-de8b-08d7f7c41d61 X-MS-Exchange-CrossTenant-originalarrivaltime: 14 May 2020 05:03:17.3159 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 3f4057f3-b418-4d4e-ba84-d55b4e897d88 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: Idhpysq78X1GtBbP3CNI3PHXRaF8ZVkk+gMw0AsSf1aSqy+Ht87Q6WGBGE1oTZp50ROLedWx5C5mIvtqTEsnbffuUuhLefqIvblxjCm8AAc= X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY5PR11MB4483 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Tudor Ambarus Users can choose which flexcom function to use. Describe the I2C Flexcom0 function. Add alias for the i2c2 node in order to not rely on probe order for the i2c device numbering. The sama5d2 SoC has two dedicated i2c buses and five flexcoms that can function as i2c. The i2c0 and i2c1 aliases are kept for the dedicated i2c buses, the i2c flexcom functions can be numbered in order starting from i2c2. Signed-off-by: Tudor Ambarus --- arch/arm/boot/dts/at91-sama5d2_xplained.dts | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/arch/arm/boot/dts/at91-sama5d2_xplained.dts b/arch/arm/boot/dt= s/at91-sama5d2_xplained.dts index 01ffbddd4ab8..77e5d4f5a102 100644 --- a/arch/arm/boot/dts/at91-sama5d2_xplained.dts +++ b/arch/arm/boot/dts/at91-sama5d2_xplained.dts @@ -18,6 +18,7 @@ =20 aliases { serial0 =3D &uart1; /* DBGU */ + i2c2 =3D &i2c2; /* XPRO EXT2 */ }; =20 chosen { @@ -336,6 +337,20 @@ pinctrl-0 =3D <&pinctrl_flx0_default>; status =3D "okay"; }; + + i2c2: i2c@600 { + dmas =3D <0>, <0>; + pinctrl-names =3D "default", "gpio"; + pinctrl-0 =3D <&pinctrl_flx0_default>; + pinctrl-1 =3D <&pinctrl_i2c2_gpio>; + sda-gpios =3D <&pioA PIN_PB28 GPIO_ACTIVE_HIGH>; + scl-gpios =3D <&pioA PIN_PB29 GPIO_ACTIVE_HIGH>; + i2c-sda-hold-time-ns =3D <350>; + i2c-analog-filter; + i2c-digital-filter; + i2c-digital-filter-width-ns =3D <35>; + status =3D "disabled"; /* conflict with ISC_D2 & ISC_D3 data pins */ + }; }; =20 shdwc@f8048010 { @@ -523,6 +538,12 @@ bias-disable; }; =20 + pinctrl_i2c2_gpio: i2c2_gpio { + pinmux =3D , + ; + bias-disable; + }; + pinctrl_i2s0_default: i2s0_default { pinmux =3D , , --=20 2.23.0