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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 9f10e0e6-9757-4ed0-6ebf-08d68777c318 X-MS-Exchange-CrossTenant-originalarrivaltime: 31 Jan 2019 12:29:33.4486 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 3f4057f3-b418-4d4e-ba84-d55b4e897d88 X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR11MB1454 X-OriginatorOrg: microchip.com Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Claudiu Beznea Add documentation for at91 pin controller banks. Signed-off-by: Claudiu Beznea --- .../bindings/pinctrl/atmel,at91-pinctrl.txt | 23 ++++++++++++++++++= ++++ 1 file changed, 23 insertions(+) diff --git a/Documentation/devicetree/bindings/pinctrl/atmel,at91-pinctrl.t= xt b/Documentation/devicetree/bindings/pinctrl/atmel,at91-pinctrl.txt index 3e23fece99da..40e33dfc36fd 100644 --- a/Documentation/devicetree/bindings/pinctrl/atmel,at91-pinctrl.txt +++ b/Documentation/devicetree/bindings/pinctrl/atmel,at91-pinctrl.txt @@ -116,6 +116,18 @@ Some requirements for using atmel,at91rm9200-pinctrl b= inding: configurations by referring to the phandle of that pin configuration no= de. 4. The gpio controller must be describe in the pinctrl simple-bus. =20 +For each bank the required properties are: +- compatible: "atmel,at91sam9x5-gpio" or "atmel,at91rm9200-gpio" +- reg: physical base address and length of the controller's registers +- interrupts: interrupt outputs from the controller +- interrupt-controller: marks the device node as an interrupt controller +- #interrupt-cells: should be 2; refer to ../interrupt-controller/interrup= ts.txt + for more details. +- gpio-controller +- #gpio-cells: should be 2; the first cell is the GPIO number and the seco= nd + cell specifies GPIO flags as defined in . +- clocks: bank clock + Examples: =20 pinctrl@fffff400 { @@ -125,6 +137,17 @@ pinctrl@fffff400 { compatible =3D "atmel,at91rm9200-pinctrl", "simple-bus"; reg =3D <0xfffff400 0x600>; =20 + pioA: gpio@fffff400 { + compatible =3D "atmel,at91sam9x5-gpio"; + reg =3D <0xfffff400 0x200>; + interrupts =3D <2 IRQ_TYPE_LEVEL_HIGH 1>; + #gpio-cells =3D <2>; + gpio-controller; + interrupt-controller; + #interrupt-cells =3D <2>; + clocks =3D <&pmc PMC_TYPE_PERIPHERAL 2>; + }; + atmel,mux-mask =3D < /* A B */ 0xffffffff 0xffc00c3b /* pioA */ --=20 2.7.4