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[2620:137:e000::1:20]) by mx.google.com with ESMTP id a7-20020a637047000000b00434df8032e4si14832711pgn.139.2022.10.18.00.32.16; Tue, 18 Oct 2022 00:32:29 -0700 (PDT) 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; 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=fail (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=huawei.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230397AbiJRHWa (ORCPT + 99 others); Tue, 18 Oct 2022 03:22:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37490 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230233AbiJRHWS (ORCPT ); Tue, 18 Oct 2022 03:22:18 -0400 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A884DAB827; Tue, 18 Oct 2022 00:22:16 -0700 (PDT) Received: from canpemm500004.china.huawei.com (unknown [172.30.72.55]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4Ms4wd5ssxzpVdX; Tue, 18 Oct 2022 15:18:57 +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 15.1.2375.31; Tue, 18 Oct 2022 15:22:10 +0800 From: Weilong Chen To: , , , , , CC: , , Subject: [PATCH next v6 1/2] i2c: hisi: Add initial device tree support Date: Tue, 18 Oct 2022 15:30:11 +0800 Message-ID: <20221018073012.309355-1-chenweilong@huawei.com> X-Mailer: git-send-email 2.31.GIT MIME-Version: 1.0 X-Originating-IP: [10.175.101.6] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To canpemm500004.china.huawei.com (7.192.104.92) X-CFilter-Loop: Reflected X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS 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?1747009770863829269?= X-GMAIL-MSGID: =?utf-8?q?1747009770863829269?= The HiSilicon I2C controller can be used on embedded platform, which boot from devicetree. Signed-off-by: Weilong Chen Acked-by: Yicong Yang --- Change since v5: - Use hisilicon,i2c-ascend910 as compatible string. For more information about the SoC at https://e.huawei.com/en/products/cloud-computing-dc/atlas/ascend-910 Link: https://lore.kernel.org/linux-i2c/20220920072215.161331-1-chenweilong@huawei.com/ Change since v4: - Remove the protection for the headers for ACPI/OF Link: https://lore.kernel.org/lkml/20220909074842.281232-1-chenweilong@huawei.com/T/ drivers/i2c/busses/Kconfig | 2 +- drivers/i2c/busses/i2c-hisi.c | 15 ++++++++++++++- 2 files changed, 15 insertions(+), 2 deletions(-) diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index 264e780ae32e..a2081c03f3c4 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -673,7 +673,7 @@ config I2C_HIGHLANDER config I2C_HISI tristate "HiSilicon I2C controller" - depends on (ARM64 && ACPI) || COMPILE_TEST + depends on ARM64 || COMPILE_TEST help Say Y here if you want to have Hisilicon I2C controller support available on the Kunpeng Server. diff --git a/drivers/i2c/busses/i2c-hisi.c b/drivers/i2c/busses/i2c-hisi.c index 76c3d8f6fc3c..d58a6d2f1bc6 100644 --- a/drivers/i2c/busses/i2c-hisi.c +++ b/drivers/i2c/busses/i2c-hisi.c @@ -5,6 +5,7 @@ * Copyright (c) 2021 HiSilicon Technologies Co., Ltd. */ +#include #include #include #include @@ -13,6 +14,7 @@ #include #include #include +#include #include #include #include @@ -483,17 +485,28 @@ static int hisi_i2c_probe(struct platform_device *pdev) return 0; } +#ifdef CONFIG_ACPI static const struct acpi_device_id hisi_i2c_acpi_ids[] = { { "HISI03D1", 0 }, { } }; MODULE_DEVICE_TABLE(acpi, hisi_i2c_acpi_ids); +#endif + +#ifdef CONFIG_OF +static const struct of_device_id hisi_i2c_dts_ids[] = { + { .compatible = "hisilicon,i2c-ascend910", }, + { } +}; +MODULE_DEVICE_TABLE(of, hisi_i2c_dts_ids); +#endif static struct platform_driver hisi_i2c_driver = { .probe = hisi_i2c_probe, .driver = { .name = "hisi-i2c", - .acpi_match_table = hisi_i2c_acpi_ids, + .acpi_match_table = ACPI_PTR(hisi_i2c_acpi_ids), + .of_match_table = of_match_ptr(hisi_i2c_dts_ids), }, }; module_platform_driver(hisi_i2c_driver);