Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 298 insertions, 0 deletions

diff --git a/drivers/mailbox/Kconfig b/drivers/mailbox/Kconfig
new file mode 100644
index 0000000000..bc2e265cb0
--- /dev/null
+++ b/drivers/mailbox/Kconfig
@@ -0,0 +1,298 @@
+# SPDX-License-Identifier: GPL-2.0-only
+menuconfig MAILBOX
+	bool "Mailbox Hardware Support"
+	help
+	  Mailbox is a framework to control hardware communication between
+	  on-chip processors through queued messages and interrupt driven
+	  signals. Say Y if your platform supports hardware mailboxes.
+
+if MAILBOX
+
+config APPLE_MAILBOX
+	tristate "Apple Mailbox driver"
+	depends on ARCH_APPLE || (ARM64 && COMPILE_TEST)
+	default ARCH_APPLE
+	help
+	  Apple SoCs have various co-processors required for certain
+	  peripherals to work (NVMe, display controller, etc.). This
+	  driver adds support for the mailbox controller used to
+	  communicate with those.
+
+	  Say Y here if you have a Apple SoC.
+
+config ARM_MHU
+	tristate "ARM MHU Mailbox"
+	depends on ARM_AMBA
+	help
+	  Say Y here if you want to build the ARM MHU controller driver.
+	  The controller has 3 mailbox channels, the last of which can be
+	  used in Secure mode only.
+
+config ARM_MHU_V2
+	tristate "ARM MHUv2 Mailbox"
+	depends on ARM_AMBA
+	help
+	  Say Y here if you want to build the ARM MHUv2 controller driver,
+	  which provides unidirectional mailboxes between processing elements.
+
+config IMX_MBOX
+	tristate "i.MX Mailbox"
+	depends on ARCH_MXC || COMPILE_TEST
+	help
+	  Mailbox implementation for i.MX Messaging Unit (MU).
+
+config PLATFORM_MHU
+	tristate "Platform MHU Mailbox"
+	depends on OF
+	depends on HAS_IOMEM
+	help
+	  Say Y here if you want to build a platform specific variant MHU
+	  controller driver.
+	  The controller has a maximum of 3 mailbox channels, the last of
+	  which can be used in Secure mode only.
+
+config PL320_MBOX
+	bool "ARM PL320 Mailbox"
+	depends on ARM_AMBA
+	help
+	  An implementation of the ARM PL320 Interprocessor Communication
+	  Mailbox (IPCM), tailored for the Calxeda Highbank. It is used to
+	  send short messages between Highbank's A9 cores and the EnergyCore
+	  Management Engine, primarily for cpufreq. Say Y here if you want
+	  to use the PL320 IPCM support.
+
+config ARMADA_37XX_RWTM_MBOX
+	tristate "Armada 37xx rWTM BIU Mailbox"
+	depends on ARCH_MVEBU || COMPILE_TEST
+	depends on OF
+	help
+	  Mailbox implementation for communication with the the firmware
+	  running on the Cortex-M3 rWTM secure processor of the Armada 37xx
+	  SOC. Say Y here if you are building for such a device (for example
+	  the Turris Mox router).
+
+config OMAP2PLUS_MBOX
+	tristate "OMAP2+ Mailbox framework support"
+	depends on ARCH_OMAP2PLUS || ARCH_K3
+	help
+	  Mailbox implementation for OMAP family chips with hardware for
+	  interprocessor communication involving DSP, IVA1.0 and IVA2 in
+	  OMAP2/3; or IPU, IVA HD and DSP in OMAP4/5. Say Y here if you
+	  want to use OMAP2+ Mailbox framework support.
+
+config OMAP_MBOX_KFIFO_SIZE
+	int "Mailbox kfifo default buffer size (bytes)"
+	depends on OMAP2PLUS_MBOX
+	default 256
+	help
+	  Specify the default size of mailbox's kfifo buffers (bytes).
+	  This can also be changed at runtime (via the mbox_kfifo_size
+	  module parameter).
+
+config ROCKCHIP_MBOX
+	bool "Rockchip Soc Integrated Mailbox Support"
+	depends on ARCH_ROCKCHIP || COMPILE_TEST
+	help
+	  This driver provides support for inter-processor communication
+	  between CPU cores and MCU processor on Some Rockchip SOCs.
+	  Please check it that the Soc you use have Mailbox hardware.
+	  Say Y here if you want to use the Rockchip Mailbox support.
+
+config PCC
+	bool "Platform Communication Channel Driver"
+	depends on ACPI
+	default n
+	help
+	  ACPI 5.0+ spec defines a generic mode of communication
+	  between the OS and a platform such as the BMC. This medium
+	  (PCC) is typically used by CPPC (ACPI CPU Performance management),
+	  RAS (ACPI reliability protocol) and MPST (ACPI Memory power
+	  states). Select this driver if your platform implements the
+	  PCC clients mentioned above.
+
+config ALTERA_MBOX
+	tristate "Altera Mailbox"
+	depends on HAS_IOMEM
+	help
+	  An implementation of the Altera Mailbox soft core. It is used
+	  to send message between processors. Say Y here if you want to use the
+	  Altera mailbox support.
+
+config BCM2835_MBOX
+	tristate "BCM2835 Mailbox"
+	depends on ARCH_BCM2835
+	help
+	  An implementation of the BCM2385 Mailbox.  It is used to invoke
+	  the services of the Videocore. Say Y here if you want to use the
+	  BCM2835 Mailbox.
+
+config STI_MBOX
+	tristate "STI Mailbox framework support"
+	depends on ARCH_STI && OF
+	help
+	  Mailbox implementation for STMicroelectonics family chips with
+	  hardware for interprocessor communication.
+
+config TI_MESSAGE_MANAGER
+	tristate "Texas Instruments Message Manager Driver"
+	depends on ARCH_KEYSTONE || ARCH_K3
+	default ARCH_K3
+	help
+	  An implementation of Message Manager slave driver for Keystone
+	  and K3 architecture SoCs from Texas Instruments. Message Manager
+	  is a communication entity found on few of Texas Instrument's keystone
+	  and K3 architecture SoCs. These may be used for communication between
+	  multiple processors within the SoC. Select this driver if your
+	  platform has support for the hardware block.
+
+config HI3660_MBOX
+	tristate "Hi3660 Mailbox" if EXPERT
+	depends on (ARCH_HISI || COMPILE_TEST)
+	depends on OF
+	default ARCH_HISI
+	help
+	  An implementation of the hi3660 mailbox. It is used to send message
+	  between application processors and other processors/MCU/DSP. Select
+	  Y here if you want to use Hi3660 mailbox controller.
+
+config HI6220_MBOX
+	tristate "Hi6220 Mailbox" if EXPERT
+	depends on (ARCH_HISI || COMPILE_TEST)
+	depends on OF
+	default ARCH_HISI
+	help
+	  An implementation of the hi6220 mailbox. It is used to send message
+	  between application processors and MCU. Say Y here if you want to
+	  build Hi6220 mailbox controller driver.
+
+config MAILBOX_TEST
+	tristate "Mailbox Test Client"
+	depends on OF
+	depends on HAS_IOMEM
+	help
+	  Test client to help with testing new Controller driver
+	  implementations.
+
+config POLARFIRE_SOC_MAILBOX
+	tristate "PolarFire SoC (MPFS) Mailbox"
+	depends on HAS_IOMEM
+	depends on ARCH_MICROCHIP_POLARFIRE || COMPILE_TEST
+	help
+	  This driver adds support for the PolarFire SoC (MPFS) mailbox controller.
+
+	  To compile this driver as a module, choose M here. the
+	  module will be called mailbox-mpfs.
+
+	  If unsure, say N.
+
+config QCOM_APCS_IPC
+	tristate "Qualcomm APCS IPC driver"
+	depends on ARCH_QCOM || COMPILE_TEST
+	help
+	  Say y here to enable support for the APCS IPC mailbox driver,
+	  providing an interface for invoking the inter-process communication
+	  signals from the application processor to other masters.
+
+config TEGRA_HSP_MBOX
+	bool "Tegra HSP (Hardware Synchronization Primitives) Driver"
+	depends on ARCH_TEGRA
+	help
+	  The Tegra HSP driver is used for the interprocessor communication
+	  between different remote processors and host processors on Tegra186
+	  and later SoCs. Say Y here if you want to have this support.
+	  If unsure say N.
+
+config XGENE_SLIMPRO_MBOX
+	tristate "APM SoC X-Gene SLIMpro Mailbox Controller"
+	depends on ARCH_XGENE
+	help
+	  An implementation of the APM X-Gene Interprocessor Communication
+	  Mailbox (IPCM) between the ARM 64-bit cores and SLIMpro controller.
+	  It is used to send short messages between ARM64-bit cores and
+	  the SLIMpro Management Engine, primarily for PM. Say Y here if you
+	  want to use the APM X-Gene SLIMpro IPCM support.
+
+config BCM_PDC_MBOX
+	tristate "Broadcom FlexSparx DMA Mailbox"
+	depends on ARCH_BCM_IPROC || COMPILE_TEST
+	help
+	  Mailbox implementation for the Broadcom FlexSparx DMA ring manager,
+	  which provides access to various offload engines on Broadcom
+	  SoCs, including FA2/FA+ on Northstar Plus and PDC on Northstar 2.
+
+config BCM_FLEXRM_MBOX
+	tristate "Broadcom FlexRM Mailbox"
+	depends on ARM64
+	depends on ARCH_BCM_IPROC || COMPILE_TEST
+	select GENERIC_MSI_IRQ
+	default m if ARCH_BCM_IPROC
+	help
+	  Mailbox implementation of the Broadcom FlexRM ring manager,
+	  which provides access to various offload engines on Broadcom
+	  SoCs. Say Y here if you want to use the Broadcom FlexRM.
+
+config STM32_IPCC
+	tristate "STM32 IPCC Mailbox"
+	depends on MACH_STM32MP157 || COMPILE_TEST
+	help
+	  Mailbox implementation for STMicroelectonics STM32 family chips
+	  with hardware for Inter-Processor Communication Controller (IPCC)
+	  between processors. Say Y here if you want to have this support.
+
+config MTK_ADSP_MBOX
+	tristate "MediaTek ADSP Mailbox Controller"
+	depends on ARCH_MEDIATEK || COMPILE_TEST
+	help
+          Say yes here to add support for "MediaTek ADSP Mailbox Controller.
+          This mailbox driver is used to send notification or short message
+          between processors with ADSP. It will place the message to share
+	  buffer and will access the ipc control.
+
+config MTK_CMDQ_MBOX
+	tristate "MediaTek CMDQ Mailbox Support"
+	depends on ARCH_MEDIATEK || COMPILE_TEST
+	select MTK_INFRACFG
+	help
+	  Say yes here to add support for the MediaTek Command Queue (CMDQ)
+	  mailbox driver. The CMDQ is used to help read/write registers with
+	  critical time limitation, such as updating display configuration
+	  during the vblank.
+
+config ZYNQMP_IPI_MBOX
+	tristate "Xilinx ZynqMP IPI Mailbox"
+	depends on ARCH_ZYNQMP && OF
+	help
+	  Say yes here to add support for Xilinx IPI mailbox driver.
+	  This mailbox driver is used to send notification or short message
+	  between processors with Xilinx ZynqMP IPI. It will place the
+	  message to the IPI buffer and will access the IPI control
+	  registers to kick the other processor or enquire status.
+
+config SUN6I_MSGBOX
+	tristate "Allwinner sun6i/sun8i/sun9i/sun50i Message Box"
+	depends on ARCH_SUNXI || COMPILE_TEST
+	default ARCH_SUNXI
+	help
+	  Mailbox implementation for the hardware message box present in
+	  various Allwinner SoCs. This mailbox is used for communication
+	  between the application CPUs and the power management coprocessor.
+
+config SPRD_MBOX
+	tristate "Spreadtrum Mailbox"
+	depends on ARCH_SPRD || COMPILE_TEST
+	help
+	  Mailbox driver implementation for the Spreadtrum platform. It is used
+	  to send message between application processors and MCU. Say Y here if
+	  you want to build the Spreatrum mailbox controller driver.
+
+config QCOM_IPCC
+	tristate "Qualcomm Technologies, Inc. IPCC driver"
+	depends on ARCH_QCOM || COMPILE_TEST
+	help
+	  Qualcomm Technologies, Inc. Inter-Processor Communication Controller
+	  (IPCC) driver for MSM devices. The driver provides mailbox support for
+	  sending interrupts to the clients. On the other hand, the driver also
+	  acts as an interrupt controller for receiving interrupts from clients.
+	  Say Y here if you want to build this driver.
+
+endif