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Introduce a wkup_m3_ipc driver to handle communication between the MPU and Cortex M3 wkup_m3 present on am335x. This driver is responsible for actually booting the wkup_m3_rproc and also handling all IPC which is done using the IPC registers in the control module, a mailbox, and a separate interrupt back from the wkup_m3. A small API is exposed for executing specific power commands, which include configuring for low power mode, request a transition to a low power mode, and status info on a previous transition. Signed-off-by: Dave Gerlach <d-gerlach@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
42 lines
1.2 KiB
Plaintext
42 lines
1.2 KiB
Plaintext
#
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# TI SOC drivers
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#
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menuconfig SOC_TI
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bool "TI SOC drivers support"
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if SOC_TI
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config KEYSTONE_NAVIGATOR_QMSS
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tristate "Keystone Queue Manager Sub System"
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depends on ARCH_KEYSTONE
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help
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Say y here to support the Keystone multicore Navigator Queue
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Manager support. The Queue Manager is a hardware module that
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is responsible for accelerating management of the packet queues.
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Packets are queued/de-queued by writing/reading descriptor address
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to a particular memory mapped location in the Queue Manager module.
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If unsure, say N.
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config KEYSTONE_NAVIGATOR_DMA
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tristate "TI Keystone Navigator Packet DMA support"
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depends on ARCH_KEYSTONE
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help
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Say y tp enable support for the Keystone Navigator Packet DMA on
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on Keystone family of devices. It sets up the dma channels for the
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Queue Manager Sub System.
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If unsure, say N.
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config WKUP_M3_IPC
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tristate "TI AMx3 Wkup-M3 IPC Driver"
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depends on WKUP_M3_RPROC
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depends on OMAP2PLUS_MBOX
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help
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TI AM33XX and AM43XX have a Cortex M3, the Wakeup M3, to handle
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low power transitions. This IPC driver provides the necessary API
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to communicate and use the Wakeup M3 for PM features like suspend
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resume and boots it using wkup_m3_rproc driver.
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endif # SOC_TI
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