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can: tcan4x5x: Add tcan4x5x driver to the kernel

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Add the TCAN4x5x SPI CAN driver.

This device uses the Bosch MCAN IP core along with a SPI interface map.
Register to the MCAN common core code to manage the MCAN IP.

This device has a special method to indicate a write/read operation on
the data payload.

Acked-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Dan Murphy
2019-05-09 11:11:08 -05:00
committed by Marc Kleine-Budde
parent 4edd396a19
commit 5443c226ba
3 changed files with 542 additions and 0 deletions
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9
drivers/net/can/m_can/Kconfig
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@@ -13,3 +13,12 @@ config CAN_M_CAN_PLATFORM
Say Y here if you want support for IO Mapped Bosch M_CAN controller.
This support is for devices that have the Bosch M_CAN controller
IP embedded into the device and the IP is IO Mapped to the processor.
config CAN_M_CAN_TCAN4X5X
depends on CAN_M_CAN
depends on REGMAP_SPI
tristate "TCAN4X5X M_CAN device"
---help---
Say Y here if you want support for Texas Instruments TCAN4x5x
M_CAN controller. This device is a peripherial device that uses the
SPI bus for communication.

1
drivers/net/can/m_can/Makefile
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@@ -5,3 +5,4 @@
obj-$(CONFIG_CAN_M_CAN) += m_can.o
obj-$(CONFIG_CAN_M_CAN_PLATFORM) += m_can_platform.o
obj-$(CONFIG_CAN_M_CAN_TCAN4X5X) += tcan4x5x.o

532
drivers/net/can/m_can/tcan4x5x.c Normal file
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