From patchwork Mon Jan 9 01:35:10 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Binbin Zhou X-Patchwork-Id: 13092832 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 2E59BC54EBE for ; Mon, 9 Jan 2023 01:35:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233920AbjAIBfB (ORCPT ); Sun, 8 Jan 2023 20:35:01 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41456 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231325AbjAIBfB (ORCPT ); Sun, 8 Jan 2023 20:35:01 -0500 Received: from loongson.cn (mail.loongson.cn [114.242.206.163]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 6B249B86F; Sun, 8 Jan 2023 17:34:59 -0800 (PST) Received: from loongson.cn (unknown [112.20.112.33]) by gateway (Coremail) with SMTP id _____8Bx7epBb7tjqWkAAA--.1141S3; Mon, 09 Jan 2023 09:34:57 +0800 (CST) Received: from localhost.localdomain (unknown [112.20.112.33]) by localhost.localdomain (Coremail) with SMTP id AQAAf8BxsOQ_b7tjZ3gWAA--.3588S2; Mon, 09 Jan 2023 09:34:56 +0800 (CST) From: Binbin Zhou To: Alessandro Zummo , Alexandre Belloni , Thomas Bogendoerfer , Jiaxun Yang , Huacai Chen , WANG Xuerui Cc: linux-rtc@vger.kernel.org, linux-mips@vger.kernel.org, loongarch@lists.linux.dev, Rob Herring , Krzysztof Kozlowski , devicetree@vger.kernel.org, Qing Zhang , Tiezhu Yang , zhaoxiao , Binbin Zhou Subject: [PATCH V2 0/7] rtc: ls2x: Add support for the Loongson-2K/LS7A RTC Date: Mon, 9 Jan 2023 09:35:10 +0800 Message-Id: X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 X-CM-TRANSID: AQAAf8BxsOQ_b7tjZ3gWAA--.3588S2 X-CM-SenderInfo: p2kr3uplqex0o6or00hjvr0hdfq/ X-Coremail-Antispam: 1Uk129KBjvJXoW7uFW5JrWxAryUCryrAF4Utwb_yoW8ZFWkpa 1akwnxKrsrtr47Ars3ArykGF1rArWfJ3srAa13J34xurZ5Ca4UZ347tFWFy3y7Cr98G340 vFyrKF42gF45A3DanT9S1TB71UUUUjJqnTZGkaVYY2UrUUUUj1kv1TuYvTs0mT0YCTnIWj qI5I8CrVACY4xI64kE6c02F40Ex7xfYxn0WfASr-VFAUDa7-sFnT9fnUUIcSsGvfJTRUUU bfxYFVCjjxCrM7AC8VAFwI0_Jr0_Gr1l1xkIjI8I6I8E6xAIw20EY4v20xvaj40_Wr0E3s 1l1IIY67AEw4v_Jrv_JF1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxSw2x7M28EF7xv wVC0I7IYx2IY67AKxVW8JVW5JwA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxVW8JVWxJwA2z4 x0Y4vEx4A2jsIE14v26r4j6F4UM28EF7xvwVC2z280aVCY1x0267AKxVW8JVW8Jr1ln4kS 14v26r126r1DM2AIxVAIcxkEcVAq07x20xvEncxIr21l57IF6xkI12xvs2x26I8E6xACxx 1l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r126r1DMcIj6I8E87Iv 67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41lc7CjxVAaw2 AFwI0_JF0_Jw1l42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1l4IxYO2xF xVAFwI0_JF0_Jw1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWw C2zVAF1VAY17CE14v26r4a6rW5MIIYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_JFI_ Gr1lIxAIcVC0I7IYx2IY6xkF7I0E14v26r1j6r4UMIIF0xvE42xK8VAvwI8IcIk0rVWUJV WUCwCI42IY6I8E87Iv67AKxVWUJVW8JwCI42IY6I8E87Iv6xkF7I0E14v26r1j6r4UYxBI daVFxhVjvjDU0xZFpf9x07j5o7tUUUUU= Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org Hi all: The initial DT-base ls2x rtc driver was written by Wang Xuerui, He has released five versions of patchset before, and all related mail records are shown below if you are interested: https://lore.kernel.org/all/?q=ls2x-rtc In this series of patches, based on the code above, I have added the following support: 1. Add ACPI-related support, as Loongson-3A5000 + LS7A is now ACPI-base by default under LoongArch architecture; 2. Add rtc alarm/walarm related functions. I have tested on Loongson-3A5000LA+LS7A1000/LS7A2000, Loongson-2K1000LA and Loongson-2K0500. BTW: There have been discussions about merging the rtc drivers of ls1x and ls2x, but the following reasons made the merger difficult to achieve: 1. ls1x does not support ACPI, for it is only on MIPS-based system; 2. ls1x does not support alarm function. Thanks. ------- Changes since v1: 1. Rebased on top of latest loongarch-next; 2. Add interrupt descriptions to the ls2k and ls7a DTS files to avoid errors when the driver gets the IRQ number, Thanks to Qing Zhang for testing; 3. Remove some inexact CONFIG_ACPI. Binbin Zhou (4): rtc: Add support for the Loongson-2K/LS7A RTC LoongArch: Enable LS2X RTC in loongson3_defconfig MIPS: Loongson64: DTS: Add RTC support to LS7A MIPS: Loongson64: DTS: Add RTC support to Loongson-2K WANG Xuerui (3): dt-bindings: rtc: Add Loongson LS2X RTC support MIPS: Loongson: Enable LS2X RTC in loongson3_defconfig MIPS: Loongson: Enable LS2X RTC in loongson2k_defconfig .../devicetree/bindings/rtc/trivial-rtc.yaml | 2 + arch/loongarch/configs/loongson3_defconfig | 1 + .../boot/dts/loongson/loongson64-2k1000.dtsi | 7 + arch/mips/boot/dts/loongson/ls7a-pch.dtsi | 7 + arch/mips/configs/loongson2k_defconfig | 1 + arch/mips/configs/loongson3_defconfig | 1 + drivers/rtc/Kconfig | 11 + drivers/rtc/Makefile | 1 + drivers/rtc/rtc-ls2x.c | 379 ++++++++++++++++++ 9 files changed, 410 insertions(+) create mode 100644 drivers/rtc/rtc-ls2x.c