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[2620:137:e000::1:20]) by mx.google.com with ESMTP id c1-20020a170903234100b00186989178b0si7150128plh.132.2023.01.25.10.48.09; Wed, 25 Jan 2023 10:48:21 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@hpe.com header.s=pps0720 header.b="nLrh/buc"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=hpe.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235792AbjAYSrR (ORCPT + 99 others); Wed, 25 Jan 2023 13:47:17 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40022 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235400AbjAYSrH (ORCPT ); Wed, 25 Jan 2023 13:47:07 -0500 Received: from mx0b-002e3701.pphosted.com (mx0b-002e3701.pphosted.com [148.163.143.35]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4C84C5B595; Wed, 25 Jan 2023 10:47:06 -0800 (PST) Received: from pps.filterd (m0150244.ppops.net [127.0.0.1]) by mx0b-002e3701.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 30PIbl6a004596; Wed, 25 Jan 2023 18:46:45 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=hpe.com; h=from : to : subject : date : message-id : in-reply-to : references : mime-version; s=pps0720; bh=n6E5Pwizgz6wzPbcddDl9uPT4LbCzpGaS1glkpucmyI=; b=nLrh/bucrhSeEPpApPneEFmztiE6K6Ta6mdjEBXW9GscHjcSTc4Xm9hQ1dIAsheRFKsD 6KoV+Rx21wqMKi7R2QEi65k4Y31z6yHXlnAfnPA4Lt6qQI48jVB5P5mPdU8bG30gVw8R RjVx4R3nFZaR0qr5DTPaoaFBK2YDBgNpCtRHEr6O63dEylRPPdtJwdbDTClhh6WRKvSr QIFbsNFLvpJ3nwKlHSLa4S/gehA94QYsViey5UzlqfBophCa8Wz2LNr6tJZEO7Qp1GHc 2zc3WYIa64PjjsZfM1Wqkx25l9CQly9Ygd+IsIwC+WZ7HAOV+Z1DUaTnnR6SWEsdeYzs 5A== Received: from p1lg14878.it.hpe.com (p1lg14878.it.hpe.com [16.230.97.204]) by mx0b-002e3701.pphosted.com (PPS) with ESMTPS id 3nb9v682rt-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 25 Jan 2023 18:46:45 +0000 Received: from p1lg14885.dc01.its.hpecorp.net (unknown [10.119.18.236]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by p1lg14878.it.hpe.com (Postfix) with ESMTPS id 6E9F213198; Wed, 25 Jan 2023 18:46:44 +0000 (UTC) Received: from hpe.com (unknown [16.231.227.36]) by p1lg14885.dc01.its.hpecorp.net (Postfix) with ESMTP id EB09C807E37; Wed, 25 Jan 2023 18:46:43 +0000 (UTC) From: nick.hawkins@hpe.com To: verdun@hpe.com, nick.hawkins@hpe.com, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, linux@armlinux.org.uk, linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, joel@jms.id.au Subject: [PATCH v4 2/5] dt-bindings: i2c: Add hpe,gxp-i2c Date: Wed, 25 Jan 2023 12:44:35 -0600 Message-Id: <20230125184438.28483-3-nick.hawkins@hpe.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230125184438.28483-1-nick.hawkins@hpe.com> References: <20230125184438.28483-1-nick.hawkins@hpe.com> X-Proofpoint-ORIG-GUID: EPGXs413IDLSsGvEFsacG81uWEaccF6h X-Proofpoint-GUID: EPGXs413IDLSsGvEFsacG81uWEaccF6h X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 X-HPE-SCL: -1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.930,Hydra:6.0.562,FMLib:17.11.122.1 definitions=2023-01-25_12,2023-01-25_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 bulkscore=0 impostorscore=0 lowpriorityscore=0 priorityscore=1501 mlxlogscore=999 adultscore=0 suspectscore=0 spamscore=0 malwarescore=0 phishscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2301250166 X-Spam-Status: No, score=-2.8 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW, SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1756021393117743603?= X-GMAIL-MSGID: =?utf-8?q?1756021393117743603?= From: Nick Hawkins Document compatibility string to support I2C controller in GXP. Signed-off-by: Nick Hawkins Reviewed-by: Rob Herring --- v4: *Provide even greater description with the use of Phandle *Reorder properties so they match the required order v3: *Provide better description with use of Phandle v2: *Removed uneccessary size-cells and address-cells *Removed phandle from hpe,sysreg-phandle *Changed hpe,i2c-max-bus-freq to clock-frequency --- .../devicetree/bindings/i2c/hpe,gxp-i2c.yaml | 59 +++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 Documentation/devicetree/bindings/i2c/hpe,gxp-i2c.yaml diff --git a/Documentation/devicetree/bindings/i2c/hpe,gxp-i2c.yaml b/Documentation/devicetree/bindings/i2c/hpe,gxp-i2c.yaml new file mode 100644 index 000000000000..6604dcd47251 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/hpe,gxp-i2c.yaml @@ -0,0 +1,59 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/i2c/hpe,gxp-i2c.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: HPE GXP SoC I2C Controller + +maintainers: + - Nick Hawkins + +allOf: + - $ref: /schemas/i2c/i2c-controller.yaml# + +properties: + compatible: + const: hpe,gxp-i2c + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clock-frequency: + default: 100000 + + hpe,sysreg: + $ref: /schemas/types.yaml#/definitions/phandle + description: + Phandle to the global status and enable interrupt registers shared + between each I2C engine controller instance. It enables the I2C + engine controller to act as both a master or slave by being able to + arm and respond to interrupts from its engine. Each bit in the + registers represent the respective bit position. + +required: + - compatible + - reg + - interrupts + +unevaluatedProperties: false + +examples: + - | + i2c@2600 { + compatible = "hpe,gxp-i2c"; + reg = <0x2500 0x70>; + interrupts = <9>; + #address-cells = <1>; + #size-cells = <0>; + hpe,sysreg = <&sysreg_system_controller>; + clock-frequency = <10000>; + + eeprom@50 { + compatible = "atmel,24c128"; + reg = <0x50>; + }; + };