From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 18F9C22578D; Thu, 13 Nov 2025 08:48:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=114.242.206.163 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763023732; cv=none; b=Le57BQJB9M1ZZ7LUXhy8rCIKOAX0v/4F5Dod5shE3EONCQs/LjNeybmUF/ayiXvS7kM4Yfcx8DSqMUPkwPsbyKorLfW3IUPKY2bLRKqL4vtaxTtjG5QcIoPPLn0/agcAY9HpaTExVJ7QZSqR1CLxpubP/kt5NbJ1bMaATAchW64= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763023732; c=relaxed/simple; bh=YOS1OUwRph7MAOs2qaWQ75lwbdHGF5OrgkOIbrVqLpM=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=ENfogimvQ3b5SKn+RbM7kMO84CIyB1KaH5zJo+fe5fSb5X2UcyylJWgZA0uw7xM8qk/2BhZ1wlZDM3x/wLytAKxgjXHUCq05zBpuOLHvt3m/7CCuI/L45FAUcRbiSy4swXKSXj2pXrQhIYIRKyEY4TZhpdc1lqdRTqZuooHAdq8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=loongson.cn; spf=pass smtp.mailfrom=loongson.cn; arc=none smtp.client-ip=114.242.206.163 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=loongson.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=loongson.cn Received: from loongson.cn (unknown [223.64.68.45]) by gateway (Coremail) with SMTP id _____8AxjdJlmxVpocoiAA--.4894S3; Thu, 13 Nov 2025 16:48:37 +0800 (CST) Received: from localhost.localdomain (unknown [223.64.68.45]) by front1 (Coremail) with SMTP id qMiowJAxQMJimxVpkYAxAQ--.3356S2; Thu, 13 Nov 2025 16:48:36 +0800 (CST) From: Binbin Zhou To: Binbin Zhou , Huacai Chen , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Andi Shyti , Wolfram Sang , linux-i2c@vger.kernel.org Cc: Huacai Chen , Xuerui Wang , loongarch@lists.linux.dev, devicetree@vger.kernel.org, Binbin Zhou Subject: [PATCH 0/2] i2c: Add Loongson-2K0300 I2C controller support Date: Thu, 13 Nov 2025 16:48:22 +0800 Message-ID: X-Mailer: git-send-email 2.47.3 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID:qMiowJAxQMJimxVpkYAxAQ--.3356S2 X-CM-SenderInfo: p2kr3uplqex0o6or00hjvr0hdfq/1tbiAQEFCGkVcy8C8QAAse X-Coremail-Antispam: 1Uk129KBj9xXoW7XryDXrW8Kry5JF4fGry5WrX_yoWfCFbEkF n7Wa47Aw1DCF93Aa48Ja1rZry3Cayqga4rZ3Zxtw4SkrW2qw1YgF9rJrZxZw4xXF4UWFsx Ww1kAF4Iv3ZxWosvyTuYvTs0mTUanT9S1TB71UUUUUDqnTZGkaVYY2UrUUUUj1kv1TuYvT s0mT0YCTnIWjqI5I8CrVACY4xI64kE6c02F40Ex7xfYxn0WfASr-VFAUDa7-sFnT9fnUUI cSsGvfJTRUUUbzAYFVCjjxCrM7AC8VAFwI0_Jr0_Gr1l1xkIjI8I6I8E6xAIw20EY4v20x vaj40_Wr0E3s1l1IIY67AEw4v_Jrv_JF1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxS w2x7M28EF7xvwVC0I7IYx2IY67AKxVW5JVW7JwA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxV W8JVWxJwA2z4x0Y4vEx4A2jsIE14v26rxl6s0DM28EF7xvwVC2z280aVCY1x0267AKxVW0 oVCq3wAS0I0E0xvYzxvE52x082IY62kv0487Mc804VCY07AIYIkI8VC2zVCFFI0UMc02F4 0EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7IYx2IY67AKxVWUXVWUAwAv7VC2z280aVAFwI0_ Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0Y48IcxkI7VAKI48JMxAIw28IcxkI7VAKI4 8JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xv wVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI42IY6xIIjx v20xvE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxVWUJVW8JwCI42IY6xAIw20E Y4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Jr0_Gr1lIxAIcVC2z280aVCY1x0267 AKxVWUJVW8JbIYCTnIWIevJa73UjIFyTuYvjxU7_MaUUUUU Hi all: This patch set describes the I2C controller integrated into the Loongson-2K0300 chip. It has a significantly different design from the previous I2C controller (i2c-ls2x), such as support for master-slave transfer mode, and DMA transfers (implementation in progress), etc. Therefore, we try to name it i2c-ls2x-v2. Therefore we try to name it i2c-ls2x-v2. Thanks. Binbin Zhou (2): dt-bindings: i2c: loongson,ls2x: Add ls2k0300-i2c compatible i2c: ls2x-v2: Add driver for Loongson-2K0300 I2C controller .../bindings/i2c/loongson,ls2x-i2c.yaml | 1 + MAINTAINERS | 1 + drivers/i2c/busses/Kconfig | 10 + drivers/i2c/busses/Makefile | 1 + drivers/i2c/busses/i2c-ls2x-v2.c | 513 ++++++++++++++++++ 5 files changed, 526 insertions(+) create mode 100644 drivers/i2c/busses/i2c-ls2x-v2.c base-commit: e9a6fb0bcdd7609be6969112f3fbfcce3b1d4a7c -- 2.47.3