From patchwork Mon Mar 29 01:59:36 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brad Larson X-Patchwork-Id: 12171045 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3D7D1C433C1 for ; Mon, 29 Mar 2021 22:14:59 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id BF6476196E for ; Mon, 29 Mar 2021 22:14:58 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BF6476196E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=pensando.io Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:MIME-Version:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:References:In-Reply-To:Message-Id:Date:Subject:Cc:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=LxGTKt8UYxo6UhiZPliIuG1090+DDEA7Y+n12Gj2b98=; b=E9WL2Ml6l641U9WiifBez2NSB9 060npjm9nmLm0xUvmnsiSdqAmkFz7VpB+GRUYjwtnDaOWoC0U5Y27nZ1h/cyat06GgfDBnxsp3A9F wHhMvJ1Wde1WLH5GmktcsIylZ9hwnouYftUlrEH3bCaucrff3LqUUkSsMBTfE9qKVV8cyakoK/+KK 48uCCOFMDqFVBHu7SCnaykigGly0XtAIqpgHa4riIVRjkLD6VWv+iIeyeImCxOttyd6nYeCbGxwZC HUsMecadYhXsBVDvPtIoJkPu2PV1DMiDYMEZgmL2gygvOB4w+W6Xlq9YauALLN1DmB4vkhkKQkSRC Xaugm+4A==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lR08E-001d0g-Cz; Mon, 29 Mar 2021 22:13:10 +0000 Received: from mail-pf1-x430.google.com ([2607:f8b0:4864:20::430]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lQqCd-000ceR-1a for linux-arm-kernel@lists.infradead.org; Mon, 29 Mar 2021 11:37:05 +0000 Received: by mail-pf1-x430.google.com with SMTP id v10so4330099pfn.5 for ; Mon, 29 Mar 2021 04:37:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=pensando.io; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=e7eNiGvucTSfZ9YPwtIS0pxm8LPJi6oD0Avh087H1AU=; b=TUKF30VWRRBveRfhTx4XCTSt/6C1xFFD2llv8DleYNKMD5oOX79pVbO1s+WVZXKbTn GgMxHB7vKeTb09mxLijtXhhDfLp/Z2PXl+bPxRmLLTL5fbz6tTFBTl7PtB3RZMqKkpzz KRN2Yb4W+cnlZMjOr6fJy/sJw/jTyI7ikJLUzlQrzAe6ll3YFxVoOPI9I7Ch2WYoHzrh eEM7aGNGoANmY2i8AdBK6H7CWmxMvYyuvwSyVWKDgNoQ3lh22ih8RMp0ubYUBMNMo8up 0/IGnzXdAyAI7cpLxIm/DRBtwHj2Oid+Bl1m74Fu/nVRRGy8fQ+uDyN9zmTrf1aNL7yY bHJQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=e7eNiGvucTSfZ9YPwtIS0pxm8LPJi6oD0Avh087H1AU=; b=YgLv3c/CKPD/5LqV7M3mtiLXa7DD+NFK4YPU/Cv2o4NlRFmNKbaqpxtghW/P5rflsX AK4TsUIS9vb+hJAvSao8E0iN/fd00qih46/iY0fG9qhhrDvVdNX+oD9XP/8aq3iMTSy+ N+2Mj9gXt8d9GNSuniXqPX3oBHAwOHe6CkpCy2S3Ks3ZG8snTSxkPBzwffzk9A50BlKJ ZpRvH4AC7P2yPGMM/LIzUoWTlgXH7u4hgsWxK41XeDtJFP3f8Qynda/prwjuPCRs/5Rg SUNZCwnKylc+lNkaYeiknsldqQevDWczYhHU2XuP5doU1zoZbXMZiE3L4bWGg52nPSKr EPNw== X-Gm-Message-State: AOAM5308AKIg/kOnx1eEiMhbe4c24XlpnXHPL8/FyGfZeU8g8p673tN8 eQXVry3zHpHvMDBn8LEX4F8HPA6hhVsyDQ== X-Google-Smtp-Source: ABdhPJz9qDrbHCn527IB9JHPAQJvkbN/YiK5DlwRYEaTjNNr5wbaltSygdeQhh7YIiOdzSji0D1ZDg== X-Received: by 2002:a63:30b:: with SMTP id 11mr22031174pgd.245.1616983201423; Sun, 28 Mar 2021 19:00:01 -0700 (PDT) Received: from platform-dev1.pensando.io ([12.226.153.42]) by smtp.gmail.com with ESMTPSA id w37sm14728027pgl.13.2021.03.28.19.00.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 28 Mar 2021 19:00:01 -0700 (PDT) From: Brad Larson To: linux-arm-kernel@lists.infradead.org Cc: arnd@arndb.de, linus.walleij@linaro.org, bgolaszewski@baylibre.com, broonie@kernel.org, fancer.lancer@gmail.com, adrian.hunter@intel.com, ulf.hansson@linaro.org, olof@lixom.net, brad@pensando.io, linux-gpio@vger.kernel.org, linux-spi@vger.kernel.org, linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 11/13] dt-bindings: gpio: Add Pensando Elba SoC support Date: Sun, 28 Mar 2021 18:59:36 -0700 Message-Id: <20210329015938.20316-12-brad@pensando.io> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210329015938.20316-1-brad@pensando.io> References: <20210329015938.20316-1-brad@pensando.io> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210329_123703_249454_E08B53D9 X-CRM114-Status: GOOD ( 13.33 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The Pensando Elba SoC gpio driver provides control of four chip selects on two SPI busses. Signed-off-by: Brad Larson --- .../bindings/gpio/pensando,elba-spics.yaml | 50 +++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/pensando,elba-spics.yaml diff --git a/Documentation/devicetree/bindings/gpio/pensando,elba-spics.yaml b/Documentation/devicetree/bindings/gpio/pensando,elba-spics.yaml new file mode 100644 index 000000000000..c93b481d4ad3 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/pensando,elba-spics.yaml @@ -0,0 +1,50 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/pensando,elba-spics.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Pensando Elba SPI Chip Select Driver + +description: | + The Pensando Elba SoC provides four SPI bus chip selects. + +maintainers: + - Brad Larson + +properties: + $nodename: + pattern: "^spics@[0-9a-f]+$" + + compatible: + const: pensando,elba-spics + + reg: + maxItems: 1 + + gpio-controller: true + + "#gpio-cells": + const: 2 + +required: + - compatible + - reg + - gpio-controller + - "#gpio-cells" + +additionalProperties: false + +examples: + - | + soc { + #address-cells = <2>; + #size-cells = <2>; + + spics: spics@307c2468 { + compatible = "pensando,elba-spics"; + reg = <0x0 0x307c2468 0x0 0x4>; + gpio-controller; + #gpio-cells = <2>; + }; + };