{"id":2215656,"url":"http://patchwork.ozlabs.org/api/patches/2215656/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-i2c/patch/20260325011852.19079-2-wanghongliang@loongson.cn/","project":{"id":35,"url":"http://patchwork.ozlabs.org/api/projects/35/?format=json","name":"Linux I2C development","link_name":"linux-i2c","list_id":"linux-i2c.vger.kernel.org","list_email":"linux-i2c@vger.kernel.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260325011852.19079-2-wanghongliang@loongson.cn>","list_archive_url":null,"date":"2026-03-25T01:18:51","name":"[v1,1/2] dt-bindings: i2c: ls2x-i2c: Add clock- related properties","commit_ref":null,"pull_url":null,"state":"changes-requested","archived":false,"hash":"cf202fc7885a8371826ce4a5b49adb3b149cbaca","submitter":{"id":92622,"url":"http://patchwork.ozlabs.org/api/people/92622/?format=json","name":"Hongliang Wang","email":"wanghongliang@loongson.cn"},"delegate":{"id":149066,"url":"http://patchwork.ozlabs.org/api/users/149066/?format=json","username":"cazzacarna","first_name":"Andi","last_name":"Shyti","email":"andi.shyti@kernel.org"},"mbox":"http://patchwork.ozlabs.org/project/linux-i2c/patch/20260325011852.19079-2-wanghongliang@loongson.cn/mbox/","series":[{"id":497370,"url":"http://patchwork.ozlabs.org/api/series/497370/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-i2c/list/?series=497370","date":"2026-03-25T01:18:52","name":"i2c: ls2x: Add clock- related properties and parsing","version":1,"mbox":"http://patchwork.ozlabs.org/series/497370/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2215656/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2215656/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-i2c@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=172.234.253.10; helo=sea.lore.kernel.org;\n envelope-from=linux-i2c+bounces-16722-incoming=patchwork.ozlabs.org@vger.kernel.org;\n receiver=patchwork.ozlabs.org)","smtp.subspace.kernel.org;\n arc=none smtp.client-ip=114.242.206.163","smtp.subspace.kernel.org;\n dmarc=none (p=none dis=none) header.from=loongson.cn","smtp.subspace.kernel.org;\n spf=pass smtp.mailfrom=loongson.cn"],"Received":["from sea.lore.kernel.org (sea.lore.kernel.org [172.234.253.10])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fgTcm4sTcz1yG1\n\tfor ; Wed, 25 Mar 2026 12:20:56 +1100 (AEDT)","from smtp.subspace.kernel.org (conduit.subspace.kernel.org\n [100.90.174.1])\n\tby sea.lore.kernel.org (Postfix) with ESMTP id 42E8C306B82B\n\tfor ; Wed, 25 Mar 2026 01:19:13 +0000 (UTC)","from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id 7C97326ED3D;\n\tWed, 25 Mar 2026 01:19:12 +0000 (UTC)","from mail.loongson.cn (mail.loongson.cn [114.242.206.163])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id E19C523EA89;\n\tWed, 25 Mar 2026 01:19:09 +0000 (UTC)","from loongson.cn (unknown [10.20.42.101])\n\tby gateway (Coremail) with SMTP id _____8Cx48ALOMNpvmkeAA--.27688S3;\n\tWed, 25 Mar 2026 09:19:07 +0800 (CST)","from loongson-pc.loongson.cn (unknown [10.20.42.101])\n\tby front1 (Coremail) with SMTP id qMiowJBxLMIIOMNpi6xcAA--.44576S3;\n\tWed, 25 Mar 2026 09:19:07 +0800 (CST)"],"ARC-Seal":"i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1774401552; cv=none;\n b=rbJjIHd0/Yc6vj3NyCi5/6pYDP7bJA3CyO3GHCwy8zimbIFRG6WZw7+E5aC1E3lbmUa0lxTmI8mynrfEo0JEYUiKFa6L5kpv9UY43e7JlEfrr9p1XJnNb3aWRaQueuknhGKKcDW1bg789wjNanEr6arnI0sF30usKDL4z0rdkWo=","ARC-Message-Signature":"i=1; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1774401552; c=relaxed/simple;\n\tbh=0ce4h4raJMXdBDrwlxeI4i3hpaF6fdyWu1cKpZ7GTNA=;\n\th=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References:\n\t MIME-Version;\n b=FREROpbNdsbcjWhmxyvmLPY6+g0oAx1bJ99hr4wnxvlePFlwIe76u/ofl7FF6Q6zL7E48xaZVzmC+EXo2s7Wii+C9hS/pMPR8CGu+PBwgj01lPm4F9OMB3LeZI4kRajy2Q0iHF8ewcuXjhXhd4svzeY4dOky5i4WssdG/g1w2ug=","ARC-Authentication-Results":"i=1; smtp.subspace.kernel.org;\n dmarc=none (p=none dis=none) header.from=loongson.cn;\n spf=pass smtp.mailfrom=loongson.cn; arc=none smtp.client-ip=114.242.206.163","From":"Hongliang Wang ","To":"Binbin Zhou ,\n\tAndi Shyti ,\n\tRob Herring ,\n\tKrzysztof Kozlowski ,\n\tConor Dooley ,\n\tHongliang Wang ","Cc":"linux-i2c@vger.kernel.org,\n\tdevicetree@vger.kernel.org,\n\tloongarch@lists.linux.dev","Subject":"[PATCH v1 1/2] dt-bindings: i2c: ls2x-i2c: Add clock- related\n properties","Date":"Wed, 25 Mar 2026 09:18:51 +0800","Message-Id":"<20260325011852.19079-2-wanghongliang@loongson.cn>","X-Mailer":"git-send-email 2.20.1","In-Reply-To":"<20260325011852.19079-1-wanghongliang@loongson.cn>","References":"<20260325011852.19079-1-wanghongliang@loongson.cn>","Precedence":"bulk","X-Mailing-List":"linux-i2c@vger.kernel.org","List-Id":"","List-Subscribe":"","List-Unsubscribe":"","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-CM-TRANSID":"qMiowJBxLMIIOMNpi6xcAA--.44576S3","X-CM-SenderInfo":"pzdqwxxrqjzxhdqjqz5rrqw2lrqou0/","X-Coremail-Antispam":"1Uk129KBj93XoW7Cw48ZrW3XrW7tF4DKFWUZFc_yoW8XrWrpa\n\tsIk3ZrGr409F17uw4Yg348Gr15XFn5Ars7Kr9rZF17KF43Zw40qFWakrn8u34UGrZ7Za9r\n\tWrZFka10kasrAwcCm3ZEXasCq-sJn29KB7ZKAUJUUUU5529EdanIXcx71UUUUU7KY7ZEXa\n\tsCq-sGcSsGvfJ3Ic02F40EFcxC0VAKzVAqx4xG6I80ebIjqfuFe4nvWSU5nxnvy29KBjDU\n\t0xBIdaVrnRJUUUvYb4IE77IF4wAFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2\n\tIYs7xG6rWj6s0DM7CIcVAFz4kK6r1Y6r17M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48v\n\te4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_JFI_Gr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI\n\t0_Gr0_Cr1l84ACjcxK6I8E87Iv67AKxVW8JVWxJwA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_\n\tGr0_Gr1UM2AIxVAIcxkEcVAq07x20xvEncxIr21l57IF6xkI12xvs2x26I8E6xACxx1l5I\n\t8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r126r1DMcIj6I8E87Iv67AK\n\txVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41lc7CjxVAaw2AFwI\n\t0_JF0_Jw1l42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG\n\t67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r1q6r43MI\n\tIYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF7I0E\n\t14v26r1j6r4UMIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVWUJV\n\tW8JwCI42IY6I8E87Iv6xkF7I0E14v26r1j6r4UYxBIdaVFxhVjvjDU0xZFpf9x07jebyAU\n\tUUUU="},"content":"From: wanghongliang \n\nAdd clock-input and clock-div properties.\n\nclock-input describes the input clock of i2c controller.\nclock-div describes the clock divisor of the input clock\nof i2c controller.\n\nPrcescale = (clock-input * 10) / (clock-div * t->bus_freq_hz) - 1\n\nSigned-off-by: wanghongliang \n---\n .../devicetree/bindings/i2c/loongson,ls2x-i2c.yaml | 13 +++++++++++++\n 1 file changed, 13 insertions(+)","diff":"diff --git a/Documentation/devicetree/bindings/i2c/loongson,ls2x-i2c.yaml b/Documentation/devicetree/bindings/i2c/loongson,ls2x-i2c.yaml\nindex 67882ec6e06a..4659d7012bce 100644\n--- a/Documentation/devicetree/bindings/i2c/loongson,ls2x-i2c.yaml\n+++ b/Documentation/devicetree/bindings/i2c/loongson,ls2x-i2c.yaml\n@@ -24,6 +24,16 @@ properties:\n interrupts:\n maxItems: 1\n \n+ clock-input:\n+ $ref: /schemas/types.yaml#/definitions/uint32\n+ description:\n+ Describes the input clock of i2c controller in HZ.\n+\n+ clock-div:\n+ $ref: /schemas/types.yaml#/definitions/uint32\n+ description:\n+ Describes the divisor of the input clock of i2c controller.\n+\n required:\n - compatible\n - reg\n@@ -40,6 +50,9 @@ examples:\n reg = <0x1fe21000 0x8>;\n interrupt-parent = <&extioiic>;\n interrupts = <22 IRQ_TYPE_LEVEL_LOW>;\n+ clock-frequency = <100000>;\n+ clock-input = <100000000>;\n+ clock-div = <40>;\n #address-cells = <1>;\n #size-cells = <0>;\n \n","prefixes":["v1","1/2"]}