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Now that we have platform-specific infrastructure for the dw i3c driver, add platform support for the ASPEED AST2600 SoC. The AST2600 has a small set of "i3c global" registers, providing platform-level i3c configuration outside of the i3c core. For the ast2600, we need a couple of extra setup operations: - on probe: find the i3c global register set and parse the SDA pullup resistor values - on init: set the pullups accordingly, and set the i3c instance IDs Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au> Reviewed-by: Joel Stanley <joel@jms.id.au> Link: https://lore.kernel.org/r/20230331091501.3800299-4-jk@codeconstruct.com.au Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
60 lines
1.7 KiB
Plaintext
60 lines
1.7 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0-only
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config CDNS_I3C_MASTER
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tristate "Cadence I3C master driver"
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depends on I3C
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depends on HAS_IOMEM
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depends on !(ALPHA || PARISC)
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help
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Enable this driver if you want to support Cadence I3C master block.
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config DW_I3C_MASTER
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tristate "Synospsys DesignWare I3C master driver"
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depends on I3C
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depends on HAS_IOMEM
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depends on !(ALPHA || PARISC)
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# ALPHA and PARISC needs {read,write}sl()
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help
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Support for Synopsys DesignWare MIPI I3C Controller.
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For details please see
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https://www.synopsys.com/dw/ipdir.php?ds=mipi_i3c
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This driver can also be built as a module. If so, the module
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will be called dw-i3c-master.
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config AST2600_I3C_MASTER
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tristate "ASPEED AST2600 I3C master driver"
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depends on DW_I3C_MASTER
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depends on ARCH_ASPEED || COMPILE_TEST
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select MFD_SYSCON
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help
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Support for ASPEED AST2600 I3C Controller.
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This hardware is an instance of the DW I3C controller; this
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driver adds platform- specific support for AST2600 hardware.
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This driver can also be built as a module. If so, the module
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will be called ast2600-i3c-master.
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config SVC_I3C_MASTER
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tristate "Silvaco I3C Dual-Role Master driver"
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depends on I3C
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depends on HAS_IOMEM
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depends on !(ALPHA || PARISC)
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help
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Support for Silvaco I3C Dual-Role Master Controller.
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config MIPI_I3C_HCI
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tristate "MIPI I3C Host Controller Interface driver (EXPERIMENTAL)"
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depends on I3C
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depends on HAS_IOMEM
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help
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Support for hardware following the MIPI Aliance's I3C Host Controller
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Interface specification.
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For details please see:
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https://www.mipi.org/specifications/i3c-hci
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This driver can also be built as a module. If so, the module will be
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called mipi-i3c-hci.
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