driver: can: spi: add mcp25xxfd driver

mcp25xxfd is a CAN bus controller with SPI interface,
which support CAN FD and CAN classic format CAN frame.

Change-Id: I9d6cdc2521beb2fff8ccb063c9dddefa09e5a641
Signed-off-by: Meng Jiang <mengjian@codeaurora.org>

MAINTAINERS

@@ -326,6 +326,12 @@ F:	drivers/pci/*acpi*
 F:	drivers/pci/*/*acpi*
 F:	tools/power/acpi/
 
+commit 6f40c42105d5c913cf855320ba7cfbc418314e29
+Author: Meng Jiang <mengjian@codeaurora.org>
+Date:   Mon Jan 13 18:20:15 2020 -0400
+	MAINTAINERS: add MCP25xxFD driver to support SPI to CAN
+	Signed-off-by: Meng Jiang <mengjian@codeaurora.org>
+
 ACPI APEI
 M:	"Rafael J. Wysocki" <rjw@rjwysocki.net>
 M:	Len Brown <lenb@kernel.org>

arch/arm64/configs/vendor/kona_defconfig

@@ -264,6 +264,8 @@ CONFIG_QRTR=y
 CONFIG_QRTR_SMD=y
 CONFIG_QRTR_MHI=y
 CONFIG_SOCKEV_NLMCAST=y
+CONFIG_CAN=y
+CONFIG_CAN_MCP25XXFD=y
 CONFIG_BT=y
 CONFIG_MSM_BT_POWER=y
 CONFIG_BT_SLIM_QCA6390=y

drivers/net/can/spi/Kconfig

@@ -14,4 +14,14 @@ config CAN_MCP251X
 	  Driver for the Microchip MCP251x and MCP25625 SPI CAN
 	  controllers.
 
+config CAN_MCP25XXFD
+	tristate "Microchip MCP25xxFD SPI CAN controllers"
+	depends on HAS_DMA
+	help
+	  The driver for the Microchip MCP25XXFD SPI FD-CAN
+	  controller family.
+	  Say yes here to build support for SPI to CAN devices
+	  mcp25xxfd. To compilethis driver as a module, choose
+	  M here: the module will be called mcp25xxfd.
+
 endmenu

drivers/net/can/spi/Makefile

@@ -5,3 +5,4 @@
 
 obj-$(CONFIG_CAN_HI311X)	+= hi311x.o
 obj-$(CONFIG_CAN_MCP251X)	+= mcp251x.o
+obj-$(CONFIG_CAN_MCP25XXFD) += mcp25xxfd.o