From patchwork Mon Nov 8 15:05:46 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Conor Dooley X-Patchwork-Id: 12608643 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2EA46C433EF for ; Mon, 8 Nov 2021 15:07:15 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 EEB1B61027 for ; Mon, 8 Nov 2021 15:07:14 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org EEB1B61027 Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=microchip.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version: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=cvHXHNU5nAgDQ6vrJlKJQ8Aj4ZHqSuDSQGyw98iqM9E=; b=CDCzReFmYVf5ip dn4Efz3mZsWjEOFrcvgr8Ynm7SpJObAooRykAIu8IGJ8Xhxb0cCdbwTy3d+ooCKe7YQdvg9dIBlK4 r4ufPoPeTfxypf8oRq8gAx3JyRNnne/5aMWKQmzGg370aTnVXPsum38Nicf2l98ADbEoYUd69QaXu 9vP6+iTSio2zXfk7SlDr8IVPeff081RWicX2kxgwVWLFlEwINbRpKpwMjBpWW1zfWxB1R+CK/RKdf gS4n7P9ZtrtYIx/QH5fWpsxlEtWExE4cSXwcG6eDxq4U4y4VrBmlMglyOWJfjBCyxJRD4j2ETkp6S dEROJRw6+YC64XMSLNtg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mk6El-00GmLH-O8; Mon, 08 Nov 2021 15:07:07 +0000 Received: from esa.microchip.iphmx.com ([68.232.154.123]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mk6Ej-00GmGw-46 for linux-riscv@lists.infradead.org; Mon, 08 Nov 2021 15:07:06 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1636384024; x=1667920024; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=o+1oOULA+X1tBNq85nvLBj0dUKiDbIcrC8BGtfHpz8s=; b=cH/vwjU/fTheqNMWUiEZD6yBXiXK0iWk0slCV5r899t4JPQlUieftBMc cNIp4otV7BUTzJa7qPt6KAh1HDGQpj6jLOXh3GE5P+QM/wgOPS5Vk8JVe 0RGXV5zp9zIz01yuo/sob2Js2508jJGCod10OAd5SISrKjRHTdI4siKsy lLO+jCWLoFWSXIvYkjD4hZeCOB+bWHAJ80lcTdKxhC/LAfU/nDgEqKRc9 AQO6wZUMj47lHkOyiRMnjyDR4cjrIp+DXM7/qgc9Rzw/geb0CblERq5vd k1kh8JqA84gF4f/qhnokCoKmMkqB3T/wd/W/GrSbY+9TJmfiLpnSDGCi6 g==; IronPort-SDR: FYAPzOnF3NwHb03IhyY9qlG6Hg3FjlKg1XstHYXF3//yvBDio1NwMMQOQJ64RI1AMmMinD1DRT LDT9fjLFRw/vol6AaQwr6bu9OTQdl9gv0JnAHfL6pknV+uGOJnwZlAP1sOgwYC8H7aMliZAS2Q y8P4G8Ufb9504wc9l2rZmvEDBIuYRAI2db4/7BRAJtpydfexRifC6m/Af3VwkTNnRsfa2UPwnq o0N42/tgwMO7mb+0DB56RQuRJQBn9PSSZwW3kuRKaMEdpDac+vIaSZ3Q+A8qcQPtbpvF9qkcpi CLsrYEpqcZQlPO7b0jnj70Lt X-IronPort-AV: E=Sophos;i="5.87,218,1631602800"; d="scan'208";a="75727248" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa6.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 08 Nov 2021 08:07:04 -0700 Received: from chn-vm-ex03.mchp-main.com (10.10.85.151) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.14; Mon, 8 Nov 2021 08:07:03 -0700 Received: from wendy.microchip.com (10.10.115.15) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server id 15.1.2176.14 via Frontend Transport; Mon, 8 Nov 2021 08:06:59 -0700 From: To: , , , , , , , , , , , , , , , , , , , , , , , , CC: , , Subject: [PATCH 05/13] dt-bindings: i2c: add bindings for microchip mpfs i2c Date: Mon, 8 Nov 2021 15:05:46 +0000 Message-ID: <20211108150554.4457-6-conor.dooley@microchip.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211108150554.4457-1-conor.dooley@microchip.com> References: <20211108150554.4457-1-conor.dooley@microchip.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211108_070705_285016_1F0A269D X-CRM114-Status: GOOD ( 10.81 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org From: Conor Dooley Add device tree bindings for the i2c controller on the Microchip PolarFire SoC. Signed-off-by: Conor Dooley Signed-off-by: Daire McNamara --- .../bindings/i2c/microchip,mpfs-i2c.yaml | 74 +++++++++++++++++++ 1 file changed, 74 insertions(+) create mode 100644 Documentation/devicetree/bindings/i2c/microchip,mpfs-i2c.yaml diff --git a/Documentation/devicetree/bindings/i2c/microchip,mpfs-i2c.yaml b/Documentation/devicetree/bindings/i2c/microchip,mpfs-i2c.yaml new file mode 100644 index 000000000000..bc4ea4498d35 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/microchip,mpfs-i2c.yaml @@ -0,0 +1,74 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/i2c/microchip,mpfs-i2c.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Microchip MPFS I2C Controller Device Tree Bindings + +maintainers: + - Daire McNamara + +description: | + This I2C controller is found on the Microchip PolarFire SoC. + +allOf: + - $ref: /schemas/i2c/i2c-controller.yaml# + +properties: + compatible: + enum: + - microchip,mpfs-i2c # Microchip PolarFire SoC compatible SoCs + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + description: Phandle of the clock feeding the I2C controller. + minItems: 1 + + clock-frequency: + description: | + Desired I2C bus clock frequency in Hz. As only Standard and Fast + modes are supported, possible values are 100000 and 400000. + enum: [100000, 400000] + +required: + - compatible + - reg + - interrupts + - clocks + +unevaluatedProperties: false + +examples: + - | + #include + soc { + #address-cells = <2>; + #size-cells = <2>; + i2c@2010a000 { + compatible = "microchip,mpfs-i2c"; + reg = <0 0x2010a000 0 0x1000>; + interrupts = <58>; + clock-frequency = <100000>; + clocks = <&clkcfg CLK_I2C0>; + }; + }; + - | + #include + soc { + #address-cells = <2>; + #size-cells = <2>; + i2c@2010b000 { + compatible = "microchip,mpfs-i2c"; + reg = <0 0x2010b000 0 0x1000>; + interrupts = <61>; + clock-frequency = <100000>; + clocks = <&clkcfg CLK_I2C1>; + }; + }; +...