From nobody Sat Oct 4 04:57:31 2025 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 C71B4242D72; Wed, 20 Aug 2025 16:16:32 +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=1755706594; cv=none; b=hNxOq7QjSfJv/OcL1YY/9wMj6Kee2UNA9hsr+E2XdfIp04Njz+T6z0GlWWHimxALtcHTUmgz1LvgwlqUHtgrx63f1SvIXZPY0jMhMX1Ery7I0R4286tMdYEymOsNz+R5znT/vIqZtVgYkz/cHONEl7GT6PGdjf2xjBwQou6Ux0A= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755706594; c=relaxed/simple; bh=cTLPsHBn531ojToU3+KN2htdYGLw8ZmtzCz0FHCb8js=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=pwefPn86hMwsm67WDvCXUPDidvl4CJnS4YLfpyEIYTevMtlVSZRa8MhnaNnuBCwCVHoHEq+Sg25gJYV8hQvJedEMmx9EhIpP2u4zj5DUYdh3M3xtoj9C6KcYljF3YTvNbTXE9l7ZCUkLJeKrHUuZIFC9Ct1MtzyLO8kxN6NLgGo= 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=QvwvBfuF; 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="QvwvBfuF" Received: from relay12 (localhost [127.0.0.1]) by relay12.grserver.gr (Proxmox) with ESMTP id C54DFBDD12; Wed, 20 Aug 2025 19:06:32 +0300 (EEST) 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 E4AA6BDCB0; Wed, 20 Aug 2025 19:06:31 +0300 (EEST) Received: from antheas-z13 (unknown [IPv6:2a05:f6c2:511b:0:7200:c86a:8976:4786]) by linux3247.grserver.gr (Postfix) with ESMTPSA id 040F3205624; Wed, 20 Aug 2025 19:06:30 +0300 (EEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=antheas.dev; s=default; t=1755705991; bh=vQOykRQ/Qv/YWm2j41fZECGX/uzOVIyRStBZkJSOI2Q=; h=From:To:Subject; b=QvwvBfuFt6OIjGx9jIbXcic5icr7Ds0DXriEfkOAbjMjGdV0Mw5BxgLygxqs6shUv TLrgWBls/8FeOEgq47ic8s4n3ihhpoT6C+ZzN33kvZt8lK+Dir+Vma8Kj5RRHumuUq psMWr8dwypAqiaAm2JzvvVqlvwuWykK04D3tIEBkEcsZdfMjovRrSvVQNkOZh4nQ9J oCIvxPkcNfRWOLMo7jr8dVO079fRXFEJ+9n7qx4W7Qqh4NSqHKAa5ZbjkaydNfzjwH JKoV3stq1w9N/7+/Qjwx4kjEvmlo4o9xQbLjjFbUNUA4xCi/7mWOThbcAORtDU/POS N31EknXntkPWQ== Authentication-Results: linux3247.grserver.gr; spf=pass (sender IP is 2a05:f6c2:511b:0:7200:c86a:8976:4786) 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 v1 1/5] platform/x86: ayaneo-ec: Add Ayaneo Embedded Controller platform driver Date: Wed, 20 Aug 2025 18:06:24 +0200 Message-ID: <20250820160628.99678-2-lkml@antheas.dev> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250820160628.99678-1-lkml@antheas.dev> References: <20250820160628.99678-1-lkml@antheas.dev> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-PPP-Message-ID: <175570599153.2162638.11994229128294182856@linux3247.grserver.gr> X-PPP-Vhost: antheas.dev X-Virus-Scanned: clamav-milter 1.4.3 at linux3247.grserver.gr X-Virus-Status: Clean Content-Type: text/plain; charset="utf-8" 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 | 10 ++++ drivers/platform/x86/Makefile | 3 ++ drivers/platform/x86/ayaneo-ec.c | 89 ++++++++++++++++++++++++++++++++ 4 files changed, 108 insertions(+) create mode 100644 drivers/platform/x86/ayaneo-ec.c diff --git a/MAINTAINERS b/MAINTAINERS index daf520a13bdf..7afa7b8a3494 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -4130,6 +4130,12 @@ W: https://ez.analog.com/linux-software-drivers F: Documentation/devicetree/bindings/pwm/adi,axi-pwmgen.yaml F: drivers/pwm/pwm-axi-pwmgen.c =20 +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 6d238e120dce..6d4a33791cc1 100644 --- a/drivers/platform/x86/Kconfig +++ b/drivers/platform/x86/Kconfig @@ -304,6 +304,16 @@ 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. =20 +config AYANEO_EC + tristate "Ayaneo EC platform control" + depends on X86 + 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 a0c5848513e3..f310e1233974 100644 --- a/drivers/platform/x86/Makefile +++ b/drivers/platform/x86/Makefile @@ -38,6 +38,9 @@ obj-$(CONFIG_ASUS_TF103C_DOCK) +=3D asus-tf103c-dock.o obj-$(CONFIG_EEEPC_LAPTOP) +=3D eeepc-laptop.o obj-$(CONFIG_EEEPC_WMI) +=3D eeepc-wmi.o =20 +# Ayaneo +obj-$(CONFIG_AYANEO_EC) +=3D ayaneo-ec.o + # Cisco/Meraki obj-$(CONFIG_MERAKI_MX100) +=3D meraki-mx100.o =20 diff --git a/drivers/platform/x86/ayaneo-ec.c b/drivers/platform/x86/ayaneo= -ec.c new file mode 100644 index 000000000000..90b86527ab0d --- /dev/null +++ b/drivers/platform/x86/ayaneo-ec.c @@ -0,0 +1,89 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Platform driver for the Embedded Controller (EC) of Ayaneo devices. Han= dles + * 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 + +struct ayaneo_ec_quirk { +}; + +struct ayaneo_ec_platform_data { + struct platform_device *pdev; + struct ayaneo_ec_quirk *quirks; +}; + +static const struct ayaneo_ec_quirk ayaneo3 =3D { +}; + +static const struct dmi_system_id dmi_table[] =3D { + { + .matches =3D { + DMI_MATCH(DMI_BOARD_VENDOR, "AYANEO"), + DMI_EXACT_MATCH(DMI_BOARD_NAME, "AYANEO 3"), + }, + .driver_data =3D (void *)&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 =3D dmi_first_match(dmi_table); + if (!dmi_entry) + return -ENODEV; + + data =3D devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + data->pdev =3D pdev; + data->quirks =3D dmi_entry->driver_data; + platform_set_drvdata(pdev, data); + + return 0; +} + +static struct platform_driver ayaneo_platform_driver =3D { + .driver =3D { + .name =3D "ayaneo-ec", + }, + .probe =3D ayaneo_ec_probe, +}; + +static struct platform_device *ayaneo_platform_device; + +static int __init ayaneo_ec_init(void) +{ + ayaneo_platform_device =3D + 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"); --=20 2.50.1