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c6807970c3
Add driver support for the UART routing control. Users can perform runtime configuration of the RX muxes among the UART controllers and the UART IO pins. The sysfs interface is also exported for the convenience of routing paths check and update. Signed-off-by: Oskar Senft <osk@google.com> Signed-off-by: Chia-Wei Wang <chiawei_wang@aspeedtech.com> Signed-off-by: Joel Stanley <joel@jms.id.au> Tested-by: Lei YU <yulei.sh@bytedance.com> Link: https://lore.kernel.org/r/20210927023053.6728-5-chiawei_wang@aspeedtech.com Link: https://lore.kernel.org/r/20211022000616.481772-1-joel@jms.id.au' Signed-off-by: Arnd Bergmann <arnd@arndb.de>
58 lines
1.5 KiB
Plaintext
58 lines
1.5 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0-only
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if ARCH_ASPEED || COMPILE_TEST
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menu "ASPEED SoC drivers"
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config ASPEED_LPC_CTRL
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tristate "ASPEED LPC firmware cycle control"
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select REGMAP
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select MFD_SYSCON
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default ARCH_ASPEED
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help
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Control LPC firmware cycle mappings through ioctl()s. The driver
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also provides a read/write interface to a BMC ram region where the
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host LPC read/write region can be buffered.
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config ASPEED_LPC_SNOOP
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tristate "ASPEED LPC snoop support"
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select REGMAP
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select MFD_SYSCON
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default ARCH_ASPEED
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help
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Provides a driver to control the LPC snoop interface which
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allows the BMC to listen on and save the data written by
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the host to an arbitrary LPC I/O port.
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config ASPEED_UART_ROUTING
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tristate "ASPEED uart routing control"
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select REGMAP
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select MFD_SYSCON
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default ARCH_ASPEED
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help
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Provides a driver to control the UART routing paths, allowing
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users to perform runtime configuration of the RX muxes among
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the UART controllers and I/O pins.
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config ASPEED_P2A_CTRL
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tristate "ASPEED P2A (VGA MMIO to BMC) bridge control"
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select REGMAP
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select MFD_SYSCON
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default ARCH_ASPEED
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help
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Control ASPEED P2A VGA MMIO to BMC mappings through ioctl()s. The
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driver also provides an interface for userspace mappings to a
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pre-defined region.
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config ASPEED_SOCINFO
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bool "ASPEED SoC Information driver"
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default ARCH_ASPEED
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select SOC_BUS
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default ARCH_ASPEED
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help
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Say yes to support decoding of ASPEED BMC information.
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endmenu
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endif
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