From patchwork Mon Oct 2 02:16:02 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AKASHI Takahiro X-Patchwork-Id: 729090 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 08462E784A7 for ; Mon, 2 Oct 2023 02:17:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235448AbjJBCRk (ORCPT ); Sun, 1 Oct 2023 22:17:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43848 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235435AbjJBCRf (ORCPT ); Sun, 1 Oct 2023 22:17:35 -0400 Received: from mail-oa1-x2d.google.com (mail-oa1-x2d.google.com [IPv6:2001:4860:4864:20::2d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9A195124 for ; Sun, 1 Oct 2023 19:17:31 -0700 (PDT) Received: by mail-oa1-x2d.google.com with SMTP id 586e51a60fabf-1dd4115b369so1159519fac.1 for ; Sun, 01 Oct 2023 19:17:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1696213050; x=1696817850; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=RPOWcZHTqmoq/zqsh7e1DQOIHdOfQaJNQbue+Ak7Pz4=; b=gSI3n4hZCnR9n2j5PCWBmvhDXs4AUWsWvoh+NFIyVSdyWn1CQLufb7Rd9JG1h1mffj J1HrBFw5yWvDEn+t8ZKM/g78GpVgJtwvA6zYkMSbl4S3LFyy0XCictm/a/Xk+ig92LHV sDuzkGd//PF1LaQcJ5Qgh6JbQ6/YowtyviSoYZ4d5WxdykHdH/bQ045ABHKs+EijAlZU Mo++6IJxtxfSndNy8HYj70ca0Fpwvco6fkk9YWieSMfTy0HA0vQY4iC767+Gq9GyyOyu HoZGz6NwAodBGZSF9KnfwH8iTtb7EsCaCKEZwEy/GEFumuEMtw8tUyXkPwVyWXz+LsVT 5iWw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1696213050; x=1696817850; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=RPOWcZHTqmoq/zqsh7e1DQOIHdOfQaJNQbue+Ak7Pz4=; b=RrICty/CLUHK0Ot1EQv5R4O4mN3uQnOhBS1VZGbcyTzpO/PeZfeGic4ZG2KUC9csMU M6YF+tm8lwJrLOY1BtC4btVA+T0IMvY1uWbiRKrq7UZpUuzcVzAmPVaocmgd6j7hhGNW mhjZxhJI+3i3/i/xkMXHNvqSnSmzFqB+f+fS5ORzFKbACG8/l+l0wcDR0b1lezF5w46z 2EgKzK8HzBuM9SsCGgcwPq/sGi6+d+WK8ESPmjcTIAeQ1VKWvluYJ6l5SI5ncORAkiYc ZPAkGeYGwZ3w0YLa4M13XKQWw3wtu03JQZqBNFkPPjgUbr+qADMIxRUvSX1NTk3cc/LA Fckw== X-Gm-Message-State: AOJu0Yxe9Xbwck+B/X4w0mu68X5xDyDqfQhZJMi776ATf51iSJIylTLr suRRcdBBJNjDwmiPnEtG9plBlg== X-Google-Smtp-Source: AGHT+IGpOuQGzvtGHKgSr/mxvP55UKAmUGYnrFTePhofwASv4SkD/NQd9nZ9IBhVQqqOhXeqb9otNw== X-Received: by 2002:a05:6808:2123:b0:3a9:f25d:d917 with SMTP id r35-20020a056808212300b003a9f25dd917mr13656079oiw.4.1696213049725; Sun, 01 Oct 2023 19:17:29 -0700 (PDT) Received: from octopus.. ([2400:4050:c3e1:100:7ab1:199:d138:f054]) by smtp.gmail.com with ESMTPSA id mg11-20020a17090b370b00b002609cadc56esm5278319pjb.11.2023.10.01.19.17.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 01 Oct 2023 19:17:29 -0700 (PDT) From: AKASHI Takahiro To: sudeep.holla@arm.com, cristian.marussi@arm.com, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, linus.walleij@linaro.org Cc: Oleksii_Moisieiev@epam.com, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, AKASHI Takahiro Subject: [RFC 4/4] dt-bindings: gpio: Add bindings for SCMI pinctrl based gpio Date: Mon, 2 Oct 2023 11:16:02 +0900 Message-Id: <20231002021602.260100-5-takahiro.akashi@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231002021602.260100-1-takahiro.akashi@linaro.org> References: <20231002021602.260100-1-takahiro.akashi@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org A dt binding for SCMI pinctrl based gpio driver is defined in this commit. It basically conforms to generic pinctrl-gpio mapping framework. Signed-off-by: AKASHI Takahiro --- .../bindings/gpio/arm,scmi-gpio.yaml | 71 +++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/arm,scmi-gpio.yaml diff --git a/Documentation/devicetree/bindings/gpio/arm,scmi-gpio.yaml b/Documentation/devicetree/bindings/gpio/arm,scmi-gpio.yaml new file mode 100644 index 000000000000..2601c5594567 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/arm,scmi-gpio.yaml @@ -0,0 +1,71 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/arm,scmi-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: SCMI pinctrl based generic GPIO controller + +maintainers: + - AKASHI Takahiro + +properties: + $nodename: + pattern: "^scmi_gpio(@[0-9a-f]+)$" + + compatible: + const: arm,scmi-gpio-generic + + gpio-controller: true + + "#gpio-cells": + const: 2 + + gpio-ranges: true + + gpio-ranges-group-names: true + +patternProperties: + "^.+-hog(-[0-9]+)?$": + type: object + properties: + gpio-hog: true + gpios: true + input: true + output-high: true + output-low: true + line-name: true + + required: + - gpio-hog + - gpios + + additionalProperties: false + +required: + - compatible + - gpio-controller + - "#gpio-cells" + - gpio-ranges + +additionalProperties: false + +examples: + - | + #include + + scmi_gpio_0: scmi_gpio@0 { + compatible = "arm,scmi-gpio"; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&scmi_pinctrl 0 10 5>, + <&scmi_pinctrl 5 0 0>; + gpio-ranges-group-names = "", + "pinmux_gpio"; + }; + + // Consumer: + sdhci0_pwrseq { + compatible = "mmc-pwrseq-emmc"; + reset-gpios = <&scmi_gpio_0 0 GPIO_ACTIVE_LOW>; + };