From patchwork Mon Jan 17 11:07:44 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Conor Dooley X-Patchwork-Id: 12715179 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id C3557C433EF for ; Mon, 17 Jan 2022 11:06:21 +0000 (UTC) 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=xiQpKuA3OUlsT/iiGYpbLyImDC1TsTv9FPgBd80wecI=; b=L4KNTTCZCuyYU/ 108kXmo4a+leuqrkeIeH3rt0UGH2v1vAzzkxYcErb0SN1Uxo2fl62H5eUa3eCbgL0LwiU3+8nd/Bz 52Pzx6KcoNOPzwyGrewcTNsM3sJH9Xd3/s4JimG4dOaNDJJhC4jr2SXl58uVTZLx+u/8orqcH+e/+ IQ+5hbbEtcr240FDL8AQMFCxZz+KYf9Cha9odYTVeLp8ko2+Tlz7LY8+yOxHKwtxyjgoqU0IQmBON K7Ecw2YViUWeajLJVKOfWFcQr6h7IOX/DPCif6xbeAHzMJaeK69wmuw0VYwADGawReEOqHCpSQIUd l9IRMC7M7u4h79djEMHg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1n9Pq1-00EajN-Ql; Mon, 17 Jan 2022 11:06:13 +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 1n9Ppz-00Eafe-2D for linux-riscv@lists.infradead.org; Mon, 17 Jan 2022 11:06:12 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1642417571; x=1673953571; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=wWDJRTpp9y+U/y/0XA3ayvzfqpzbVzNVpbQ9F2yWO+o=; b=b2WJQXnsGizpBnR3A2BLS2eZ58ewcTjEhd93Ml9eSrwN0J7smN228cqE Kdw0fx3uzJzqe1zXb75ymSjzMBwLI0Dp4xNkr4YM1gbcKQfcvZQdTECM2 +rN7+KMyL3Lr8An6drkk49YqvXSs20tR+kqaKTI18aUXcXwQddU1rNurM g5ZpJD6JbyKFIco3NBVhpmRYvhFJXvtkwi6m/H1dDV1/sVxwIugaRbE5Q gB1i4v9yn0+8e6yF8ckFJjaALBUZJX04R3LFKpas5p/YH8p7ffN4aGtgQ ZOyKc+PAh02nRZoXZzNwIkG1eAmNdJxNmlm3FC7lqDghCIwtU0L/4SkLI Q==; IronPort-SDR: eFylxy1KcXwC3BL15AoyjJRf+oE4/SZznCHSTrIRI1eUC5tsYZDNtWcaqSildEsw3u9uDFHr2z pvbWE1BrUa45R3tBB7jGovmEEYz21WXoM4mrTrIETx+F61EclGqqS3H7GaCfSvBEAIQen5q408 MQXanU0P1aWKs0JYsRwbHY6plHujHTj8rPnkNQdzPfBFGBYKPeOLvBPHk7+V/7TjIZgnn1x2Hz 3Iba+m2mpzAV8EC7w0bvwHr096pMC3yjsBj4mcSvmvMTJppcsEo3GAmtEoggoe6bQWix+BNqLb ReCBqCAOqkhHPmIFfdN441oD X-IronPort-AV: E=Sophos;i="5.88,295,1635231600"; d="scan'208";a="145638414" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa2.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 17 Jan 2022 04:06:10 -0700 Received: from chn-vm-ex02.mchp-main.com (10.10.85.144) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.17; Mon, 17 Jan 2022 04:06:09 -0700 Received: from wendy.microchip.com (10.10.115.15) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server id 15.1.2375.17 via Frontend Transport; Mon, 17 Jan 2022 04:06:03 -0700 From: To: , , , , , , , , , , , , , , , , , , , , , , , CC: , , , , , , , , Subject: [PATCH v4 03/14] dt-bindings: i2c: add bindings for microchip mpfs i2c Date: Mon, 17 Jan 2022 11:07:44 +0000 Message-ID: <20220117110755.3433142-4-conor.dooley@microchip.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20220117110755.3433142-1-conor.dooley@microchip.com> References: <20220117110755.3433142-1-conor.dooley@microchip.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220117_030611_239121_767B5061 X-CRM114-Status: UNSURE ( 9.64 ) X-CRM114-Notice: Please train this message. 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: Daire McNamara Signed-off-by: Conor Dooley Reviewed-by: Rob Herring --- .../bindings/i2c/microchip,mpfs-i2c.yaml | 55 +++++++++++++++++++ 1 file changed, 55 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..ced843e78844 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/microchip,mpfs-i2c.yaml @@ -0,0 +1,55 @@ +# 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 + - microchip,corei2c-rtl-v7 # Microchip Fabric based i2c IP core + + 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 + i2c@2010a000 { + compatible = "microchip,mpfs-i2c"; + reg = <0x2010a000 0x1000>; + clocks = <&clkcfg CLK_I2C0>; + interrupt-parent = <&plic>; + interrupts = <58>; + clock-frequency = <100000>; + }; +...