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{ "id": 2218928, "url": "http://patchwork.ozlabs.org/api/1.0/covers/2218928/?format=api", "project": { "id": 9, "url": "http://patchwork.ozlabs.org/api/1.0/projects/9/?format=api", "name": "Linux RTC development", "link_name": "rtc-linux", "list_id": "linux-rtc.vger.kernel.org", "list_email": "linux-rtc@vger.kernel.org", "web_url": "", "scm_url": "", "webscm_url": "" }, "msgid": "<20260402051442.1426672-1-a0282524688@gmail.com>", "date": "2026-04-02T05:14:40", "name": "[v1,0/2] mfd: nct6694: Refactor transport layer and add HIF (eSPI) support", "submitter": { "id": 89578, "url": "http://patchwork.ozlabs.org/api/1.0/people/89578/?format=api", "name": "Ming Yu", "email": "a0282524688@gmail.com" }, "series": [ { "id": 498426, "url": "http://patchwork.ozlabs.org/api/1.0/series/498426/?format=api", "date": "2026-04-02T05:14:41", "name": "mfd: nct6694: Refactor transport layer and add HIF (eSPI) support", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/498426/mbox/" } ], "headers": { "Return-Path": "\n <linux-rtc+bounces-6280-incoming=patchwork.ozlabs.org@vger.kernel.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linux-rtc@vger.kernel.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=aexidzYF;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c04:e001:36c::12fc:5321; helo=tor.lore.kernel.org;\n envelope-from=linux-rtc+bounces-6280-incoming=patchwork.ozlabs.org@vger.kernel.org;\n receiver=patchwork.ozlabs.org)", "smtp.subspace.kernel.org;\n\tdkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com\n header.b=\"aexidzYF\"", "smtp.subspace.kernel.org;\n arc=none smtp.client-ip=209.85.216.45", "smtp.subspace.kernel.org;\n dmarc=pass (p=none dis=none) header.from=gmail.com", "smtp.subspace.kernel.org;\n spf=pass smtp.mailfrom=gmail.com" ], "Received": [ "from tor.lore.kernel.org (tor.lore.kernel.org\n [IPv6:2600:3c04:e001:36c::12fc:5321])\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 4fmVTV398xz1yGH\n\tfor <incoming@patchwork.ozlabs.org>; Thu, 02 Apr 2026 16:17:02 +1100 (AEDT)", "from smtp.subspace.kernel.org (conduit.subspace.kernel.org\n [100.90.174.1])\n\tby tor.lore.kernel.org (Postfix) with ESMTP id B6DD1303B17B\n\tfor <incoming@patchwork.ozlabs.org>; Thu, 2 Apr 2026 05:15:38 +0000 (UTC)", "from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id D4AD636F40D;\n\tThu, 2 Apr 2026 05:15:35 +0000 (UTC)", "from mail-pj1-f45.google.com (mail-pj1-f45.google.com\n [209.85.216.45])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits))\n\t(No client certificate requested)\n\tby smtp.subspace.kernel.org (Postfix) with ESMTPS id 8F84536DA10\n\tfor <linux-rtc@vger.kernel.org>; Thu, 2 Apr 2026 05:15:34 +0000 (UTC)", "by mail-pj1-f45.google.com with SMTP id\n 98e67ed59e1d1-35c238f1063so264970a91.1\n for <linux-rtc@vger.kernel.org>; Wed, 01 Apr 2026 22:15:34 -0700 (PDT)", "from hcdev-d520mt2.. 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Currently, the\ndriver only supports USB as the host transport interface.\n\nThis series refactors the NCT6694 MFD core to support multiple transport\nbackends and adds a new Host Interface (HIF) transport driver that\ncommunicates over eSPI using Super-I/O shared memory.\n\nMing Yu (2):\n mfd: nct6694: Switch to devm_mfd_add_devices() and drop IDA\n mfd: Add Host Interface (HIF) support for Nuvoton NCT6694\n\n MAINTAINERS | 1 +\n drivers/gpio/gpio-nct6694.c | 26 +-\n drivers/hwmon/nct6694-hwmon.c | 21 -\n drivers/i2c/busses/i2c-nct6694.c | 26 +-\n drivers/mfd/Kconfig | 47 +-\n drivers/mfd/Makefile | 3 +-\n drivers/mfd/nct6694-hif.c | 649 ++++++++++++++++++++++++++++\n drivers/mfd/nct6694.c | 180 ++++----\n drivers/net/can/usb/nct6694_canfd.c | 18 +-\n drivers/rtc/rtc-nct6694.c | 7 -\n drivers/watchdog/nct6694_wdt.c | 27 +-\n include/linux/mfd/nct6694.h | 57 ++-\n 12 files changed, 829 insertions(+), 233 deletions(-)\n create mode 100644 drivers/mfd/nct6694-hif.c" }