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27 lines
895 B
ReStructuredText
27 lines
895 B
ReStructuredText
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.. SPDX-License-Identifier: GPL-2.0-or-later
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Kernel driver aspeed-g6-pwm-tach
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=================================
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Supported chips:
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ASPEED AST2600
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Authors:
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<billy_tsai@aspeedtech.com>
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Description:
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------------
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This driver implements support for ASPEED AST2600 Fan Tacho controller.
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The controller supports up to 16 tachometer inputs.
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The driver provides the following sensor accesses in sysfs:
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=============== ======= ======================================================
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fanX_input ro provide current fan rotation value in RPM as reported
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by the fan to the device.
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fanX_div rw Fan divisor: Supported value are power of 4 (1, 4, 16
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64, ... 4194304)
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The larger divisor, the less rpm accuracy and the less
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affected by fan signal glitch.
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=============== ======= ======================================================
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