From patchwork Wed May 20 00:20:35 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 1293916 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=linux-gpio-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=nxp.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 49RYYy5jxRz9sTH for ; Wed, 20 May 2020 10:30:30 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728039AbgETAa0 (ORCPT ); Tue, 19 May 2020 20:30:26 -0400 Received: from inva020.nxp.com ([92.121.34.13]:56780 "EHLO inva020.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726178AbgETAa0 (ORCPT ); Tue, 19 May 2020 20:30:26 -0400 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 948661A0210; Wed, 20 May 2020 02:30:23 +0200 (CEST) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 7BF0F1A0237; Wed, 20 May 2020 02:30:18 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 2401F402BB; Wed, 20 May 2020 08:30:12 +0800 (SGT) From: Anson Huang To: linus.walleij@linaro.org, bgolaszewski@baylibre.com, robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Linux-imx@nxp.com Subject: [PATCH] dt-bindings: gpio: Convert mxs to json-schema Date: Wed, 20 May 2020 08:20:35 +0800 Message-Id: <1589934035-5309-1-git-send-email-Anson.Huang@nxp.com> X-Mailer: git-send-email 2.7.4 X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Convert the MXS GPIO binding to DT schema format using json-schema. Signed-off-by: Anson Huang --- .../devicetree/bindings/gpio/gpio-mxs.txt | 88 ------------- .../devicetree/bindings/gpio/gpio-mxs.yaml | 136 +++++++++++++++++++++ 2 files changed, 136 insertions(+), 88 deletions(-) delete mode 100644 Documentation/devicetree/bindings/gpio/gpio-mxs.txt create mode 100644 Documentation/devicetree/bindings/gpio/gpio-mxs.yaml diff --git a/Documentation/devicetree/bindings/gpio/gpio-mxs.txt b/Documentation/devicetree/bindings/gpio/gpio-mxs.txt deleted file mode 100644 index 1e677a4..0000000 --- a/Documentation/devicetree/bindings/gpio/gpio-mxs.txt +++ /dev/null @@ -1,88 +0,0 @@ -* Freescale MXS GPIO controller - -The Freescale MXS GPIO controller is part of MXS PIN controller. The -GPIOs are organized in port/bank. Each port consists of 32 GPIOs. - -As the GPIO controller is embedded in the PIN controller and all the -GPIO ports share the same IO space with PIN controller, the GPIO node -will be represented as sub-nodes of MXS pinctrl node. - -Required properties for GPIO node: -- compatible : Should be "fsl,-gpio". The supported SoCs include - imx23 and imx28. -- interrupts : Should be the port interrupt shared by all 32 pins. -- gpio-controller : Marks the device node as a gpio controller. -- #gpio-cells : Should be two. The first cell is the pin number and - the second cell is used to specify the gpio polarity: - 0 = active high - 1 = active low -- interrupt-controller: Marks the device node as an interrupt controller. -- #interrupt-cells : Should be 2. The first cell is the GPIO number. - The second cell bits[3:0] is used to specify trigger type and level flags: - 1 = low-to-high edge triggered. - 2 = high-to-low edge triggered. - 4 = active high level-sensitive. - 8 = active low level-sensitive. - -Note: Each GPIO port should have an alias correctly numbered in "aliases" -node. - -Examples: - -aliases { - gpio0 = &gpio0; - gpio1 = &gpio1; - gpio2 = &gpio2; - gpio3 = &gpio3; - gpio4 = &gpio4; -}; - -pinctrl@80018000 { - compatible = "fsl,imx28-pinctrl", "simple-bus"; - reg = <0x80018000 2000>; - - gpio0: gpio@0 { - compatible = "fsl,imx28-gpio"; - interrupts = <127>; - gpio-controller; - #gpio-cells = <2>; - interrupt-controller; - #interrupt-cells = <2>; - }; - - gpio1: gpio@1 { - compatible = "fsl,imx28-gpio"; - interrupts = <126>; - gpio-controller; - #gpio-cells = <2>; - interrupt-controller; - #interrupt-cells = <2>; - }; - - gpio2: gpio@2 { - compatible = "fsl,imx28-gpio"; - interrupts = <125>; - gpio-controller; - #gpio-cells = <2>; - interrupt-controller; - #interrupt-cells = <2>; - }; - - gpio3: gpio@3 { - compatible = "fsl,imx28-gpio"; - interrupts = <124>; - gpio-controller; - #gpio-cells = <2>; - interrupt-controller; - #interrupt-cells = <2>; - }; - - gpio4: gpio@4 { - compatible = "fsl,imx28-gpio"; - interrupts = <123>; - gpio-controller; - #gpio-cells = <2>; - interrupt-controller; - #interrupt-cells = <2>; - }; -}; diff --git a/Documentation/devicetree/bindings/gpio/gpio-mxs.yaml b/Documentation/devicetree/bindings/gpio/gpio-mxs.yaml new file mode 100644 index 0000000..ccf5b50 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/gpio-mxs.yaml @@ -0,0 +1,136 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/gpio-mxs.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale MXS GPIO controller + +maintainers: + - Shawn Guo + - Anson Huang + +description: | + The Freescale MXS GPIO controller is part of MXS PIN controller. + The GPIOs are organized in port/bank, each port consists of 32 GPIOs. + As the GPIO controller is embedded in the PIN controller and all the + GPIO ports share the same IO space with PIN controller, the GPIO node + will be represented as sub-nodes of MXS pinctrl node. + +properties: + compatible: + enum: + - fsl,imx23-pinctrl + - fsl,imx28-pinctrl + + '#address-cells': + const: 1 + '#size-cells': + const: 0 + + reg: + maxItems: 1 + +patternProperties: + "gpio@[0-9]+$": + type: object + properties: + compatible: + enum: + - fsl,imx23-gpio + - fsl,imx28-gpio + + reg: + maxItems: 1 + + interrupts: + description: Should be the port interrupt shared by all 32 pins. + maxItems: 1 + + interrupt-controller: true + + "#interrupt-cells": + const: 2 + + "#gpio-cells": + const: 2 + + gpio-controller: true + + required: + - compatible + - reg + - interrupts + - interrupt-controller + - "#interrupt-cells" + - "#gpio-cells" + - gpio-controller + + additionalProperties: false + +required: + - compatible + - reg + - '#address-cells' + - '#size-cells' + +additionalProperties: false + +examples: + - | + pinctrl@80018000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl,imx28-pinctrl"; + reg = <0x80018000 0x2000>; + + gpio@0 { + compatible = "fsl,imx28-gpio"; + reg = <0>; + interrupts = <127>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + }; + + gpio@1 { + compatible = "fsl,imx28-gpio"; + reg = <1>; + interrupts = <126>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + }; + + gpio@2 { + compatible = "fsl,imx28-gpio"; + reg = <2>; + interrupts = <125>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + }; + + gpio@3 { + compatible = "fsl,imx28-gpio"; + reg = <3>; + interrupts = <124>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + }; + + gpio@4 { + compatible = "fsl,imx28-gpio"; + reg = <4>; + interrupts = <123>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + }; + };