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Commit 0f4da3a8 authored by Roger Quadros's avatar Roger Quadros Committed by Marc Kleine-Budde
Browse files

can: c_can: Add support for TI DRA7 DCAN 



DRA7 SoC has 2 CAN IPs. Provide compatible IDs and RAMINIT
register data for both.

Signed-off-by: default avatarRoger Quadros <rogerq@ti.com>
Signed-off-by: default avatarMarc Kleine-Budde <mkl@pengutronix.de>
parent 3973c526

Documentation/devicetree/bindings/net/can/c_can.txt

+1 −0
Original line number Diff line number Diff line
@@ -4,6 +4,7 @@ Bosch C_CAN/D_CAN controller Device Tree Bindings 
Required properties:

- compatible		: Should be "bosch,c_can" for C_CAN controllers and

			  "bosch,d_can" for D_CAN controllers.

			  Can be "ti,dra7-d_can".

- reg			: physical base address and size of the C_CAN/D_CAN

			  registers map

- interrupts		: property with a value describing the interrupt

drivers/net/can/c_can/c_can_platform.c

+13 −0
Original line number Diff line number Diff line
@@ -190,6 +190,18 @@ static const struct c_can_driver_data d_can_drvdata = { 
	.id = BOSCH_D_CAN,

};



static const struct raminit_bits dra7_raminit_bits[] = {

	[0] = { .start = 3, .done = 1, },

	[1] = { .start = 5, .done = 2, },

};



static const struct c_can_driver_data dra7_dcan_drvdata = {

	.id = BOSCH_D_CAN,

	.raminit_num = ARRAY_SIZE(dra7_raminit_bits),

	.raminit_bits = dra7_raminit_bits,

	.raminit_pulse = true,

};



static struct platform_device_id c_can_id_table[] = {

	{

		.name = KBUILD_MODNAME,
@@ -210,6 +222,7 @@ MODULE_DEVICE_TABLE(platform, c_can_id_table); 
static const struct of_device_id c_can_of_table[] = {

	{ .compatible = "bosch,c_can", .data = &c_can_drvdata },

	{ .compatible = "bosch,d_can", .data = &d_can_drvdata },

	{ .compatible = "ti,dra7-d_can", .data = &dra7_dcan_drvdata },

	{ /* sentinel */ },

};

MODULE_DEVICE_TABLE(of, c_can_of_table);