From patchwork Fri Jul 9 06:31:28 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "D, Lakshmi Sowjanya" X-Patchwork-Id: 1502923 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=) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4GLjx72THDz9sWS for ; Fri, 9 Jul 2021 16:31:39 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230193AbhGIGeU (ORCPT ); Fri, 9 Jul 2021 02:34:20 -0400 Received: from mga12.intel.com ([192.55.52.136]:25205 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229887AbhGIGeR (ORCPT ); Fri, 9 Jul 2021 02:34:17 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10039"; a="189334187" X-IronPort-AV: E=Sophos;i="5.84,226,1620716400"; d="scan'208";a="189334187" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Jul 2021 23:31:34 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.84,226,1620716400"; d="scan'208";a="498805997" Received: from inlubt0177.iind.intel.com ([10.223.67.91]) by fmsmga002.fm.intel.com with ESMTP; 08 Jul 2021 23:31:32 -0700 From: lakshmi.sowjanya.d@intel.com To: linus.walleij@linaro.org Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, andriy.shevchenko@linux.intel.com, lakshmi.bai.raja.subramanian@intel.com, tamal.saha@intel.com, lakshmi.sowjanya.d@intel.com Subject: [PATCH v2 1/2] dt-bindings: pinctrl: Add bindings for Intel Keembay pinctrl driver Date: Fri, 9 Jul 2021 12:01:28 +0530 Message-Id: <20210709063129.11651-2-lakshmi.sowjanya.d@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210709063129.11651-1-lakshmi.sowjanya.d@intel.com> References: <20210709063129.11651-1-lakshmi.sowjanya.d@intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org From: Lakshmi Sowjanya D Add Device Tree bindings documentation for Intel Keem Bay SoC's pin controller. Add entry for INTEL Keem Bay pinctrl driver in MAINTAINERS file Acked-by: Mark Gross Signed-off-by: Vineetha G. Jaya Kumaran Signed-off-by: Vijayakannan Ayyathurai Signed-off-by: Lakshmi Sowjanya D --- .../pinctrl/intel,pinctrl-keembay.yaml | 134 ++++++++++++++++++ MAINTAINERS | 5 + 2 files changed, 139 insertions(+) create mode 100644 Documentation/devicetree/bindings/pinctrl/intel,pinctrl-keembay.yaml diff --git a/Documentation/devicetree/bindings/pinctrl/intel,pinctrl-keembay.yaml b/Documentation/devicetree/bindings/pinctrl/intel,pinctrl-keembay.yaml new file mode 100644 index 000000000000..6c6f45ac75a5 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/intel,pinctrl-keembay.yaml @@ -0,0 +1,134 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pinctrl/intel,pinctrl-keembay.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Intel Keem Bay pin controller Device Tree Bindings + +maintainers: + - Lakshmi Sowjanya D + +description: | + Intel Keem Bay SoC integrates a pin controller which enables control + of pin directions, input/output values and configuration + for a total of 80 pins. + +properties: + compatible: + const: intel,keembay-pinctrl + + reg: + maxItems: 2 + + gpio-controller: true + + '#gpio-cells': + const: 2 + + ngpios: + description: The number of GPIOs exposed. + const: 80 + + interrupts: + description: + Specifies the interrupt lines to be used by the controller. + maxItems: 8 + + interrupt-controller: true + + '#interrupt-cells': + const: 2 + +patternProperties: + '^gpio@[0-9a-f]*$': + type: object + + description: + Child nodes can be specified to contain pin configuration information, + which can then be utilized by pinctrl client devices. + The following properties are supported. + + properties: + pins: + description: | + The name(s) of the pins to be configured in the child node. + Supported pin names are "GPIO0" up to "GPIO79". + + bias-disable: true + + bias-pull-down: true + + bias-pull-up: true + + drive-strength: + description: IO pads drive strength in milli Ampere. + enum: [2, 4, 8, 12] + + bias-bus-hold: + type: boolean + + input-schmitt-enable: + type: boolean + + slew-rate: + description: GPIO slew rate control. + 0 - Fast(~100MHz) + 1 - Slow(~50MHz) + enum: [0, 1] + +additionalProperties: false + +required: + - compatible + - reg + - gpio-controller + - ngpios + - '#gpio-cells' + - interrupts + - interrupt-controller + - '#interrupt-cells' + +examples: + - | + #include + #include + // Example 1 + gpio@0 { + compatible = "intel,keembay-pinctrl"; + reg = <0x600b0000 0x88>, + <0x600b0190 0x1ac>; + gpio-controller; + ngpios = <0x50>; + #gpio-cells = <0x2>; + interrupts = , + , + , + , + , + , + , + ; + interrupt-controller; + #interrupt-cells = <2>; + }; + + // Example 2 + gpio@1 { + compatible = "intel,keembay-pinctrl"; + reg = <0x600c0000 0x88>, + <0x600c0190 0x1ac>; + gpio-controller; + ngpios = <0x50>; + #gpio-cells = <0x2>; + interrupts = , + , + , + , + , + , + , + ; + interrupt-controller; + #interrupt-cells = <2>; + }; diff --git a/MAINTAINERS b/MAINTAINERS index c7456776ace5..7d3a75e03626 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -14612,6 +14612,11 @@ S: Maintained T: git git://git.kernel.org/pub/scm/linux/kernel/git/pinctrl/intel.git F: drivers/pinctrl/intel/ +PIN CONTROLLER - KEEMBAY +M: Lakshmi Sowjanya D +S: Supported +F: drivers/pinctrl/pinctrl-keembay* + PIN CONTROLLER - MEDIATEK M: Sean Wang L: linux-mediatek@lists.infradead.org (moderated for non-subscribers)