From patchwork Fri Sep 9 07:48:42 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Weilong Chen X-Patchwork-Id: 604389 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 41F45C6FA8B for ; Fri, 9 Sep 2022 07:51:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231916AbiIIHv3 (ORCPT ); Fri, 9 Sep 2022 03:51:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57814 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230335AbiIIHvH (ORCPT ); Fri, 9 Sep 2022 03:51:07 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A03AA1238D2; Fri, 9 Sep 2022 00:46:37 -0700 (PDT) Received: from canpemm500004.china.huawei.com (unknown [172.30.72.54]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4MP7JK65KTzmVM9; Fri, 9 Sep 2022 15:42:57 +0800 (CST) Received: from localhost (10.175.101.6) by canpemm500004.china.huawei.com (7.192.104.92) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Fri, 9 Sep 2022 15:46:35 +0800 From: Weilong Chen To: , , , , CC: , , Subject: [PATCH next v4 2/2] dt-bindings: i2c: add entry for hisilicon,hisi-i2c Date: Fri, 9 Sep 2022 15:48:42 +0800 Message-ID: <20220909074842.281232-2-chenweilong@huawei.com> X-Mailer: git-send-email 2.31.GIT In-Reply-To: <20220909074842.281232-1-chenweilong@huawei.com> References: <20220909074842.281232-1-chenweilong@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.101.6] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To canpemm500004.china.huawei.com (7.192.104.92) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add the new compatible for HiSilicon common i2c. Signed-off-by: Weilong Chen --- .../bindings/i2c/hisilicon,hisi-i2c.yaml | 67 +++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 Documentation/devicetree/bindings/i2c/hisilicon,hisi-i2c.yaml diff --git a/Documentation/devicetree/bindings/i2c/hisilicon,hisi-i2c.yaml b/Documentation/devicetree/bindings/i2c/hisilicon,hisi-i2c.yaml new file mode 100644 index 000000000000..f1cb6a4c70d1 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/hisilicon,hisi-i2c.yaml @@ -0,0 +1,67 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/i2c/hisilicon,hisi-i2c.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: HiSilicon common IIC controller Device Tree Bindings + +maintainers: + - yangyicong@huawei.com + +allOf: + - $ref: /schemas/i2c/i2c-controller.yaml# + +properties: + compatible: + const: hisilicon,hisi-i2c + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clk_rate: + default: 0xEE6B280 + + clock-frequency: + default: 400000 + + i2c-sda-falling-time-ns: + default: 343 + + i2c-scl-falling-time-ns: + default: 203 + + i2c-sda-hold-time-ns: + default: 0x33E + + i2c-scl-rising-time-ns: + default: 365 + + i2c-digital-filter-width-ns: + default: 0 + +required: + - compatible + - reg + - interrupts + +unevaluatedProperties: false + +examples: + - | + i2c1: i2c@5038B0000{ + compatible = "hisilicon,hisi-i2c"; + reg = <0x38B0000 0x10000>; + interrupts = <0x0 120 0x4>; + i2c-sda-falling-time-ns = <56>; + i2c-scl-falling-time-ns = <56>; + i2c-sda-hold-time-ns = <56>; + i2c-scl-rising-time-ns = <56>; + i2c-digital-filter; + i2c-digital-filter-width-ns = <0x0>; + clk_rate = <0x0 0xEE6B280>; + clock-frequency = <400000>; + };