From patchwork Fri Apr 28 20:08:12 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Cercueil X-Patchwork-Id: 9705295 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 80CB7602BF for ; Fri, 28 Apr 2017 20:09:24 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6E94C28698 for ; Fri, 28 Apr 2017 20:09:24 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 61852286AC; Fri, 28 Apr 2017 20:09:24 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3D22A28698 for ; Fri, 28 Apr 2017 20:09:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1164389AbdD1UJK (ORCPT ); Fri, 28 Apr 2017 16:09:10 -0400 Received: from outils.crapouillou.net ([89.234.176.41]:39074 "EHLO outils.crapouillou.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1166058AbdD1UIv (ORCPT ); Fri, 28 Apr 2017 16:08:51 -0400 From: Paul Cercueil To: Linus Walleij , Alexandre Courbot , Rob Herring , Mark Rutland , Ralf Baechle Cc: Boris Brezillon , Thierry Reding , Bartlomiej Zolnierkiewicz , Maarten ter Huurne , Lars-Peter Clausen , Paul Burton , james.hogan@imgtec.com, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mips@linux-mips.org, linux-mmc@vger.kernel.org, linux-mtd@lists.infradead.org, linux-pwm@vger.kernel.org, linux-fbdev@vger.kernel.org, Paul Cercueil Subject: [PATCH v5 02/14] dt/bindings: Document gpio-ingenic Date: Fri, 28 Apr 2017 22:08:12 +0200 Message-Id: <20170428200824.10906-3-paul@crapouillou.net> In-Reply-To: <20170428200824.10906-1-paul@crapouillou.net> References: <20170402204244.14216-2-paul@crapouillou.net> <20170428200824.10906-1-paul@crapouillou.net> Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This commit adds documentation for the devicetree bindings of the gpio-ingenic driver, which handles GPIOs of the Ingenic SoCs currently supported by the Linux kernel. Signed-off-by: Paul Cercueil Acked-by: Rob Herring --- .../devicetree/bindings/gpio/ingenic,gpio.txt | 46 ++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/ingenic,gpio.txt v2: New patch v3: No changes v4: Update for the v4 version of the gpio-ingenic driver v5: Remove gpio-bank-... compatible strings, and add 'reg' property diff --git a/Documentation/devicetree/bindings/gpio/ingenic,gpio.txt b/Documentation/devicetree/bindings/gpio/ingenic,gpio.txt new file mode 100644 index 000000000000..7988aeb725f4 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/ingenic,gpio.txt @@ -0,0 +1,46 @@ +Ingenic jz47xx GPIO controller + +That the Ingenic GPIO driver node must be a sub-node of the Ingenic pinctrl +driver node. + +Required properties: +-------------------- + + - compatible: Must contain one of: + - "ingenic,jz4740-gpio" + - "ingenic,jz4770-gpio" + - "ingenic,jz4780-gpio" + - reg: The GPIO bank number. + - interrupt-controller: Marks the device node as an interrupt controller. + - interrupts: Interrupt specifier for the controllers interrupt. + - #interrupt-cells: Should be 2. Refer to + ../interrupt-controller/interrupts.txt for more details. + - gpio-controller: Marks the device node as a GPIO controller. + - #gpio-cells: Should be 2. The first cell is the GPIO number and the second + cell specifies GPIO flags, as defined in . Only the + GPIO_ACTIVE_HIGH and GPIO_ACTIVE_LOW flags are supported. + - gpio-ranges: Range of pins managed by the GPIO controller. Refer to + 'gpio.txt' in this directory for more details. + +Example: +-------- + +&pinctrl { + #address-cells = <1>; + #size-cells = <0>; + + gpa: gpio@0 { + compatible = "ingenic,jz4740-gpio"; + reg = <0>; + + gpio-controller; + gpio-ranges = <&pinctrl 0 0 32>; + #gpio-cells = <2>; + + interrupt-controller; + #interrupt-cells = <2>; + + interrupt-parent = <&intc>; + interrupts = <28>; + }; +};