6ecf15d63a
Add a temperature/fan sensor (hwmon) driver for the Hasivo / Horaco management MCU as a second child of the hasivo MCU MFD (alongside the watchdog). It exposes the CPU and system temperatures and a 3-state fan control (auto / force-on / force-off), read/written through the parent's shared syscon regmap. The register protocol was reverse-engineered from the stock 'imi' firmware and verified on hardware. The fan-status register (0xFB) reflects the MCU's effective drive state, not actual rotation (a blocked fan still reads force-on), so no fanN_alarm is exposed. pwm1 echoes the commanded state so a write reads back consistently, and falls back to the live drive state in automatic mode. The register map is shared across boards. Signed-off-by: Carlo Szelinsky <github@szelinsky.de> Link: https://github.com/openwrt/openwrt/pull/23762 Signed-off-by: Markus Stockhausen <markus.stockhausen@gmx.de>
58 lines
1.8 KiB
Makefile
58 lines
1.8 KiB
Makefile
#
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# Copyright (C) 2011 OpenWrt.org
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#
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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#
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MFD_MENU:=MultiFunction Device (MFD) Support
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WATCHDOG_MENU:=Watchdog Timer Support
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define KernelPackage/hasivo-mcu-wdt
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SUBMENU:=$(WATCHDOG_MENU)
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TITLE:=Hasivo MCU watchdog driver
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KCONFIG:=CONFIG_HASIVO_MCU_WATCHDOG
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FILES:=$(LINUX_DIR)/drivers/watchdog/hasivo-mcu-wdt.ko
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DEPENDS:=@TARGET_realtek +kmod-mfd-hasivo-stc8
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AUTOLOAD:=$(call AutoLoad,20,hasivo-mcu-wdt,1)
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endef
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define KernelPackage/hasivo-mcu-wdt/description
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Hardware watchdog driver for the external management MCU found on
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Hasivo / Horaco network switches. Registers a Linux watchdog device;
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the kernel watchdog core feeds it automatically via its own timer.
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endef
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$(eval $(call KernelPackage,hasivo-mcu-wdt))
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define KernelPackage/mfd-hasivo-stc8
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SUBMENU:=$(MFD_MENU)
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TITLE:=Hasivo STC8 microcontroller support
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KCONFIG:=CONFIG_MFD_HASIVO_STC8
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FILES:=$(LINUX_DIR)/drivers/mfd/hasivo-stc8-mfd.ko
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DEPENDS:=@TARGET_realtek +kmod-mfd +kmod-regmap-i2c
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AUTOLOAD:=$(call AutoLoad,19,hasivo-stc8-mfd,1)
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endef
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define KernelPackage/mfd-hasivo-stc8/description
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Kernel module for Hasivo STC8 microcontroller support
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endef
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$(eval $(call KernelPackage,mfd-hasivo-stc8))
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define KernelPackage/hasivo-mcu-sensor
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SUBMENU:=$(HWMON_MENU)
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TITLE:=Hasivo management MCU sensor driver
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KCONFIG:=CONFIG_SENSORS_HASIVO_MCU
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FILES:=$(LINUX_DIR)/drivers/hwmon/hasivo-mcu-sensor.ko
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DEPENDS:=@TARGET_realtek +kmod-mfd-hasivo-stc8
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AUTOLOAD:=$(call AutoProbe,hasivo-mcu-sensor,1)
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endef
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define KernelPackage/hasivo-mcu-sensor/description
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sensor driver for the Hasivo management MCU (CPU/system
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temperatures and fan control) on Hasivo / Horaco network switches.
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A child of the hasivo MCU MFD.
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endef
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$(eval $(call KernelPackage,hasivo-mcu-sensor))
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