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modules: add DW I2C Platform controller

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Add kernel package for DesignWare I2C platform controller.
This controller is used on the RP1 SoC found on RPi 5 devices.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
This commit is contained in:
=?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= 2025-06-08 17:03:30 +02:00
parent d81c03f05e
commit 04ed2f02d0
3 changed files with 64 additions and 4 deletions
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64
package/kernel/linux/modules/i2c.mk
View File

@ -116,17 +116,35 @@ I2C_DWPCI_MODULES:= \
define KernelPackage/i2c-designware-pci define KernelPackage/i2c-designware-pci
$(call i2c_defaults,$(I2C_DWPCI_MODULES),59) $(call i2c_defaults,$(I2C_DWPCI_MODULES),59)
TITLE:=Synopsys DesignWare PCI TITLE:=Synopsys DesignWare I2C PCI
DEPENDS:=@PCI_SUPPORT +kmod-i2c-designware-core +kmod-i2c-ccgs-ucsi DEPENDS:=@PCI_SUPPORT +kmod-i2c-designware-core +kmod-i2c-ccgs-ucsi
endef endef
define KernelPackage/i2c-designware-pci/description define KernelPackage/i2c-designware-pci/description
Support for Synopsys DesignWare I2C controller. Only master mode is supported. Support for Synopsys DesignWare I2C PCI controller. Only master mode is
supported.
endef endef
$(eval $(call KernelPackage,i2c-designware-pci)) $(eval $(call KernelPackage,i2c-designware-pci))
I2C_DWPLAT_MODULES:= \
CONFIG_I2C_DESIGNWARE_PLATFORM:drivers/i2c/busses/i2c-designware-platform
define KernelPackage/i2c-designware-platform
$(call i2c_defaults,$(I2C_DWPLAT_MODULES),59)
TITLE:=Synopsys DesignWare I2C Platform
DEPENDS:=+kmod-i2c-designware-core
endef
define KernelPackage/i2c-designware-platform/description
Support for Synopsys DesignWare I2C Platform controller. Only master mode
is supported.
endef
$(eval $(call KernelPackage,i2c-designware-platform))
I2C_GPIO_MODULES:= \ I2C_GPIO_MODULES:= \
CONFIG_I2C_GPIO:drivers/i2c/busses/i2c-gpio CONFIG_I2C_GPIO:drivers/i2c/busses/i2c-gpio
@ -150,7 +168,9 @@ I2C_I801_MODULES:= \
define KernelPackage/i2c-i801 define KernelPackage/i2c-i801
$(call i2c_defaults,$(I2C_I801_MODULES),59) $(call i2c_defaults,$(I2C_I801_MODULES),59)
TITLE:=Intel I801 and compatible I2C interfaces TITLE:=Intel I801 and compatible I2C interfaces
DEPENDS:=@PCI_SUPPORT @TARGET_x86 +kmod-i2c-core +kmod-i2c-smbus DEPENDS:= \
@PCI_SUPPORT @TARGET_x86 +kmod-i2c-core +kmod-i2c-smbus \
PACKAGE_kmod-i2c-mux-gpio:kmod-i2c-mux-gpio
endef endef
define KernelPackage/i2c-i801/description define KernelPackage/i2c-i801/description
@ -169,6 +189,24 @@ endef
$(eval $(call KernelPackage,i2c-i801)) $(eval $(call KernelPackage,i2c-i801))
I2C_MLXCPLD_MODULES:= \
CONFIG_I2C_MLXCPLD:drivers/i2c/busses/i2c-mlxcpld
define KernelPackage/i2c-mlxcpld
$(call i2c_defaults,$(I2C_MLXCPLD_MODULES),59)
TITLE:=Mellanox I2C driver
DEPENDS:=@TARGET_x86_64 +kmod-regmap-core
endef
define KernelPackage/i2c-mlxcpld/description
This exposes the Mellanox platform I2C busses
to the linux I2C layer for X86 based systems.
Controller is implemented as CPLD logic.
endef
$(eval $(call KernelPackage,i2c-mlxcpld))
I2C_MUX_MODULES:= \ I2C_MUX_MODULES:= \
CONFIG_I2C_MUX:drivers/i2c/i2c-mux CONFIG_I2C_MUX:drivers/i2c/i2c-mux
@ -200,6 +238,24 @@ endef
$(eval $(call KernelPackage,i2c-mux-gpio)) $(eval $(call KernelPackage,i2c-mux-gpio))
I2C_MUX_MLXCPLD_MODULES:= \
CONFIG_I2C_MUX_MLXCPLD:drivers/i2c/muxes/i2c-mux-mlxcpld
define KernelPackage/i2c-mux-mlxcpld
$(call i2c_defaults,$(I2C_MUX_MLXCPLD_MODULES),51)
TITLE:=Mellanox CPLD based I2C multiplexer
DEPENDS:=+kmod-i2c-mlxcpld +kmod-i2c-mux
endef
define KernelPackage/i2c-mux-mlxcpld/description
This driver provides access to
I2C busses connected through a MUX, which is controlled
by a CPLD register.
endef
$(eval $(call KernelPackage,i2c-mux-mlxcpld))
I2C_MUX_REG_MODULES:= \ I2C_MUX_REG_MODULES:= \
CONFIG_I2C_MUX_REG:drivers/i2c/muxes/i2c-mux-reg CONFIG_I2C_MUX_REG:drivers/i2c/muxes/i2c-mux-reg
@ -253,7 +309,7 @@ I2C_PIIX4_MODULES:= \
define KernelPackage/i2c-piix4 define KernelPackage/i2c-piix4
$(call i2c_defaults,$(I2C_PIIX4_MODULES),59) $(call i2c_defaults,$(I2C_PIIX4_MODULES),59)
TITLE:=Intel PIIX4 and compatible I2C interfaces TITLE:=Intel PIIX4 and compatible I2C interfaces
DEPENDS:=@PCI_SUPPORT @TARGET_x86 +kmod-i2c-core DEPENDS:=@PCI_SUPPORT @TARGET_x86 +kmod-i2c-core +kmod-i2c-smbus
endef endef
define KernelPackage/i2c-piix4/description define KernelPackage/i2c-piix4/description

2
target/linux/generic/config-6.12
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@ -2520,6 +2520,8 @@ CONFIG_HZ_100=y
# CONFIG_I2C_DEBUG_BUS is not set # CONFIG_I2C_DEBUG_BUS is not set
# CONFIG_I2C_DEBUG_CORE is not set # CONFIG_I2C_DEBUG_CORE is not set
# CONFIG_I2C_DEMUX_PINCTRL is not set # CONFIG_I2C_DEMUX_PINCTRL is not set
# CONFIG_I2C_DESIGNWARE_AMDPSP is not set
# CONFIG_I2C_DESIGNWARE_BAYTRAIL is not set
# CONFIG_I2C_DESIGNWARE_CORE is not set # CONFIG_I2C_DESIGNWARE_CORE is not set
# CONFIG_I2C_DESIGNWARE_PCI is not set # CONFIG_I2C_DESIGNWARE_PCI is not set
# CONFIG_I2C_DESIGNWARE_PLATFORM is not set # CONFIG_I2C_DESIGNWARE_PLATFORM is not set

2
target/linux/generic/config-6.6
View File

@ -2459,6 +2459,8 @@ CONFIG_HZ_100=y
# CONFIG_I2C_DEBUG_BUS is not set # CONFIG_I2C_DEBUG_BUS is not set
# CONFIG_I2C_DEBUG_CORE is not set # CONFIG_I2C_DEBUG_CORE is not set
# CONFIG_I2C_DEMUX_PINCTRL is not set # CONFIG_I2C_DEMUX_PINCTRL is not set
# CONFIG_I2C_DESIGNWARE_AMDPSP is not set
# CONFIG_I2C_DESIGNWARE_BAYTRAIL is not set
# CONFIG_I2C_DESIGNWARE_PCI is not set # CONFIG_I2C_DESIGNWARE_PCI is not set
# CONFIG_I2C_DESIGNWARE_PLATFORM is not set # CONFIG_I2C_DESIGNWARE_PLATFORM is not set
# CONFIG_I2C_DESIGNWARE_SLAVE is not set # CONFIG_I2C_DESIGNWARE_SLAVE is not set