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: 1552365 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: bilbo.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=microchip.com header.i=@microchip.com header.a=rsa-sha256 header.s=mchp header.b=iWovsz2W; dkim-atps=neutral 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 bilbo.ozlabs.org (Postfix) with ESMTP id 4HnvcJ6M5Zz9s0r for ; Tue, 9 Nov 2021 02:07:44 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240774AbhKHPK0 (ORCPT ); Mon, 8 Nov 2021 10:10:26 -0500 Received: from esa.microchip.iphmx.com ([68.232.154.123]:21335 "EHLO esa.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240769AbhKHPJt (ORCPT ); Mon, 8 Nov 2021 10:09:49 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1636384025; x=1667920025; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=o+1oOULA+X1tBNq85nvLBj0dUKiDbIcrC8BGtfHpz8s=; b=iWovsz2Wy914D3Lh9TAmMyj9WrNuqJpkaGAySaYJk424xLIUkhdTiRkl sA85xDwMX2wIaH3AyEIwRGOSI8CAPEtZvkbQpRDBrwqGRiEQNLDK9iFyl CxgleUugQQ5IPYB4YUpL7mdmaIUhy1ZJjb08iW0embDYCX3dC62NGBXkc dPCLaOUu6LfOqfO8hEbhQADN5SZXj8fXyRuEs7831zwHAMv6UizIX+yhY +isOwrrHDJEQck2f3jPHgK6gDvk1JwjlHYoVNoFlXbsAb7fefzDvP0EEV Dn45JIeeA0B237TroRnUoh4TCR/KY2EL1GCzwsynZaKM3xgTOLJSqtVhg Q==; 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 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@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 | 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>; + }; + }; +...