From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from relay12.grserver.gr (relay12.grserver.gr [88.99.38.195]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2FD8E2A1AA; Mon, 10 Nov 2025 18:08:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=88.99.38.195 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762798137; cv=none; b=hceNdVaSnyimHY44oXjmDn3/z1fN2eCd0jlDYuAIdlOXSeihMoQflIB9Hz8bW/F868QF+yqnYiMXgRioxxf3Vx4w+iSy5eCZ7WT23msD6ZPtlfIXACrfGhk/9xafY9CwtqbN7Pto/Rv00rMoE/F7TcHK5XMszkWenVcbQb4ncmU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762798137; c=relaxed/simple; bh=VaAfZMx61BCwKqY6I0ACj+D+Kdvy/IECYIb/uSDrztw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=DjztWEX8OgFKj9TmEFBF5+pyH4TU3TSXbjOLHxaOYazXySxaYF4DzSGOMcz7netIp4x/xXcUlBUnpYT81jpIanzP6vtFvKUpfigz2eLilpAkWsp4AO93UDfuXIVh6wLas3DtAm14LOzAKfJNRPzhF4i/tYL7NnBbWujlwi7jR/8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=antheas.dev; spf=pass smtp.mailfrom=antheas.dev; dkim=temperror (0-bit key) header.d=antheas.dev header.i=@antheas.dev header.b=YV96e0Cq; arc=none smtp.client-ip=88.99.38.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=antheas.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=antheas.dev Authentication-Results: smtp.subspace.kernel.org; dkim=temperror (0-bit key) header.d=antheas.dev header.i=@antheas.dev header.b="YV96e0Cq" Received: from relay12 (localhost [127.0.0.1]) by relay12.grserver.gr (Proxmox) with ESMTP id 4D9B9BDB5A; Mon, 10 Nov 2025 20:08:52 +0200 (EET) Received: from linux3247.grserver.gr (linux3247.grserver.gr [213.158.90.240]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by relay12.grserver.gr (Proxmox) with ESMTPS id 50985BDA22; Mon, 10 Nov 2025 20:08:51 +0200 (EET) Received: from antheas-z13 (unknown [IPv6:2a05:f6c2:511b:0:8d8a:5967:d692:ea4e]) by linux3247.grserver.gr (Postfix) with ESMTPSA id 78C81200823; Mon, 10 Nov 2025 20:08:50 +0200 (EET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=antheas.dev; s=default; t=1762798131; bh=bz85/sWxuhkVZLuJnSMI3WyTgjUd1yk3z+GP78j4EIE=; h=From:To:Subject; b=YV96e0CqcefdK8SCRbwfPK4n50TsPNwBZc5Nyuzl4hbVaCYuD25SRA6ZdC9bSc/9K 2kBbZkZO6pHMHk/FxF4NlgYGW2w1fyfayJnHmwdnfkhwLws8SIpy1B5pyVkQ3tpwpQ SKm41LbsVfdpHEKZS20Cs0VdU3wyBmnhyfHUUMs6QM/lqWxHI5DLoVHpLZxwafe9Hf /CaznqMjpt6g7jv/788U3sLgMM3P38otVA99scSCcr6aFyCQnrNVvIGvrsWtwdwvOd E4h2yqLrE7be63E9kngYfRSWF+TivhFZR5EgMqAIVxk0Od3+cA9dpdVmuF4hmvn1XP Hpar3Q61zueaw== Authentication-Results: linux3247.grserver.gr; spf=pass (sender IP is 2a05:f6c2:511b:0:8d8a:5967:d692:ea4e) smtp.mailfrom=lkml@antheas.dev smtp.helo=antheas-z13 Received-SPF: pass (linux3247.grserver.gr: connection is authenticated) From: Antheas Kapenekakis To: platform-driver-x86@vger.kernel.org Cc: linux-kernel@vger.kernel.org, linux-hwmon@vger.kernel.org, Hans de Goede , =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= , Derek John Clark , =?UTF-8?q?Joaqu=C3=ADn=20Ignacio=20Aramend=C3=ADa?= , Jean Delvare , Guenter Roeck , Antheas Kapenekakis Subject: [PATCH v4 1/6] platform/x86: ayaneo-ec: Add Ayaneo Embedded Controller platform driver Date: Mon, 10 Nov 2025 19:08:41 +0100 Message-ID: <20251110180846.1490726-2-lkml@antheas.dev> X-Mailer: git-send-email 2.51.2 In-Reply-To: <20251110180846.1490726-1-lkml@antheas.dev> References: <20251110180846.1490726-1-lkml@antheas.dev> Precedence: bulk X-Mailing-List: linux-hwmon@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-PPP-Message-ID: <176279813097.3664500.16665288900178778636@linux3247.grserver.gr> X-PPP-Vhost: antheas.dev X-Virus-Scanned: clamav-milter 1.4.3 at linux3247.grserver.gr X-Virus-Status: Clean Recent Ayaneo devices feature an ACPI mapped Embedded Controller (EC) with standard addresses across models that provides access to fan speed, fan control, battery charge limits, and controller power controls. Introduce a new driver stub that will handle these driver features. Signed-off-by: Antheas Kapenekakis --- MAINTAINERS | 6 +++ drivers/platform/x86/Kconfig | 9 ++++ drivers/platform/x86/Makefile | 3 ++ drivers/platform/x86/ayaneo-ec.c | 90 ++++++++++++++++++++++++++++++++ 4 files changed, 108 insertions(+) create mode 100644 drivers/platform/x86/ayaneo-ec.c diff --git a/MAINTAINERS b/MAINTAINERS index ddecf1ef3bed..c5bf7207c45f 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -4192,6 +4192,12 @@ W: https://ez.analog.com/linux-software-drivers F: Documentation/devicetree/bindings/pwm/adi,axi-pwmgen.yaml F: drivers/pwm/pwm-axi-pwmgen.c +AYANEO PLATFORM EC DRIVER +M: Antheas Kapenekakis +L: platform-driver-x86@vger.kernel.org +S: Maintained +F: drivers/platform/x86/ayaneo-ec.c + AZ6007 DVB DRIVER M: Mauro Carvalho Chehab L: linux-media@vger.kernel.org diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig index c122016d82f1..1a7f8ae793ba 100644 --- a/drivers/platform/x86/Kconfig +++ b/drivers/platform/x86/Kconfig @@ -316,6 +316,15 @@ config ASUS_TF103C_DOCK If you have an Asus TF103C tablet say Y or M here, for a generic x86 distro config say M here. +config AYANEO_EC + tristate "Ayaneo EC platform control" + help + Enables support for the platform EC of Ayaneo devices. This + includes fan control, fan speed, charge limit, magic + module detection, and controller power control. + + If you have an Ayaneo device, say Y or M here. + config MERAKI_MX100 tristate "Cisco Meraki MX100 Platform Driver" depends on GPIOLIB diff --git a/drivers/platform/x86/Makefile b/drivers/platform/x86/Makefile index c7db2a88c11a..274a685eb92d 100644 --- a/drivers/platform/x86/Makefile +++ b/drivers/platform/x86/Makefile @@ -39,6 +39,9 @@ obj-$(CONFIG_ASUS_TF103C_DOCK) += asus-tf103c-dock.o obj-$(CONFIG_EEEPC_LAPTOP) += eeepc-laptop.o obj-$(CONFIG_EEEPC_WMI) += eeepc-wmi.o +# Ayaneo +obj-$(CONFIG_AYANEO_EC) += ayaneo-ec.o + # Cisco/Meraki obj-$(CONFIG_MERAKI_MX100) += meraki-mx100.o diff --git a/drivers/platform/x86/ayaneo-ec.c b/drivers/platform/x86/ayaneo-ec.c new file mode 100644 index 000000000000..2fe66c8a89f4 --- /dev/null +++ b/drivers/platform/x86/ayaneo-ec.c @@ -0,0 +1,90 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Platform driver for the Embedded Controller (EC) of Ayaneo devices. Handles + * hwmon (fan speed, fan control), battery charge limits, and magic module + * control (connected modules, controller disconnection). + * + * Copyright (C) 2025 Antheas Kapenekakis + */ + +#include +#include +#include +#include +#include +#include + +struct ayaneo_ec_quirk { +}; + +struct ayaneo_ec_platform_data { + struct platform_device *pdev; + struct ayaneo_ec_quirk *quirks; +}; + +static const struct ayaneo_ec_quirk quirk_ayaneo3 = { +}; + +static const struct dmi_system_id dmi_table[] = { + { + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "AYANEO"), + DMI_EXACT_MATCH(DMI_BOARD_NAME, "AYANEO 3"), + }, + .driver_data = (void *)&quirk_ayaneo3, + }, + {}, +}; + +static int ayaneo_ec_probe(struct platform_device *pdev) +{ + const struct dmi_system_id *dmi_entry; + struct ayaneo_ec_platform_data *data; + + dmi_entry = dmi_first_match(dmi_table); + if (!dmi_entry) + return -ENODEV; + + data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + data->pdev = pdev; + data->quirks = dmi_entry->driver_data; + platform_set_drvdata(pdev, data); + + return 0; +} + +static struct platform_driver ayaneo_platform_driver = { + .driver = { + .name = "ayaneo-ec", + }, + .probe = ayaneo_ec_probe, +}; + +static struct platform_device *ayaneo_platform_device; + +static int __init ayaneo_ec_init(void) +{ + ayaneo_platform_device = + platform_create_bundle(&ayaneo_platform_driver, + ayaneo_ec_probe, NULL, 0, NULL, 0); + + return PTR_ERR_OR_ZERO(ayaneo_platform_device); +} + +static void __exit ayaneo_ec_exit(void) +{ + platform_device_unregister(ayaneo_platform_device); + platform_driver_unregister(&ayaneo_platform_driver); +} + +MODULE_DEVICE_TABLE(dmi, dmi_table); + +module_init(ayaneo_ec_init); +module_exit(ayaneo_ec_exit); + +MODULE_AUTHOR("Antheas Kapenekakis "); +MODULE_DESCRIPTION("Ayaneo Embedded Controller (EC) platform features"); +MODULE_LICENSE("GPL"); -- 2.51.2