From patchwork Fri Dec 17 09:33:13 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Conor Dooley X-Patchwork-Id: 525308 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 D72EEC433F5 for ; Fri, 17 Dec 2021 09:33:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231375AbhLQJdB (ORCPT ); Fri, 17 Dec 2021 04:33:01 -0500 Received: from esa.microchip.iphmx.com ([68.232.153.233]:26483 "EHLO esa.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232790AbhLQJdA (ORCPT ); Fri, 17 Dec 2021 04:33:00 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1639733580; x=1671269580; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=3qRUHoobo/ppmfZjVVOkiLMq+8SBs80cxkclQbTplqc=; b=cpGmqao+Vuezq2hnc1IKNGL5p5B+XpwP/dXS2bbrNlSE9hm+3Woieicx i09mnjgDNETfw71/ik6605X9KWGNWzjlhuqdqbzqS7kDBpgXnT+g5UxWV BdpvshJZ5bA7HHWNc+bECaHRT6AVMs1Irx1qfFX7GN8VQIPiUAS6Utojg GBiQWaXjYlNQXWZPdIUBeGovZzKF2EVSqs5oabP58CZshRqkgOS7Vxz39 FMgdxakBdDwirHS18ocCkUrkAfW+WWjva47ZCAA5oSAX1hDohkCuTLbCu UuG6q7agauZaC7GtHYTs2G9r/lejo9kFQPKsdUr88h22i7dLIgtG0W9Jn A==; IronPort-SDR: 3ygXOh/lCCf1GWWoDG1pNOmSe9s+0/SonRioONOLWMlNd71V19TUnY9pWwjY06utrZEimrJtTX KXYI86g9Mz8TPSblA705fF3WCqL+VKENe+k6kU9w5ibWzU9i+A9IMlh3sJraQhQJ+lxjtQ1Akb OUttu+zT67bycGgXyDmiys9XFDUk9dYbnOF1XB61505C+iYmTtanlKifiyra0Zb/jFIV4Sbfo4 tIVokdiiQqmKPGjZS0kWQip37KAOTNFPnTQHZnH/sSZRMmMqsjQqVi+klazChN8c/ITWj135dA aVvfiLmnjRQnc9uRtMSEMUd0 X-IronPort-AV: E=Sophos;i="5.88,213,1635231600"; d="scan'208";a="147571014" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa3.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 17 Dec 2021 02:32:58 -0700 Received: from chn-vm-ex01.mchp-main.com (10.10.85.143) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.17; Fri, 17 Dec 2021 02:32:33 -0700 Received: from wendy.microchip.com (10.10.115.15) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server id 15.1.2375.17 via Frontend Transport; Fri, 17 Dec 2021 02:32:28 -0700 From: To: , , , , , , , , , , , , , , , , , , , , , , , CC: , , , , , , , , Subject: [PATCH v2 05/17] dt-bindings: i2c: add bindings for microchip mpfs i2c Date: Fri, 17 Dec 2021 09:33:13 +0000 Message-ID: <20211217093325.30612-6-conor.dooley@microchip.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211217093325.30612-1-conor.dooley@microchip.com> References: <20211217093325.30612-1-conor.dooley@microchip.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.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 | 54 +++++++++++++++++++ 1 file changed, 54 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..2acaf1a7e0de --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/microchip,mpfs-i2c.yaml @@ -0,0 +1,54 @@ +# 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 + +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: + maxItems: 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 + i2c0: i2c@2010a000 { + compatible = "microchip,mpfs-i2c"; + reg = <0x2010a000 0x1000>; + clocks = <&clkcfg CLK_I2C0>; + interrupt-parent = <&plic>; + interrupts = <58>; + clock-frequency = <100000>; + }; +...