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can: c_can: Add support for TI am3352 DCAN 

AM3352 SoC has 2 DCAN modules. Add compatible id and
raminit driver data for am3352 DCAN.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Acked-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Roger Quadros 2014-11-07 16:49:22 +02:00 committed by Marc Kleine-Budde
parent 0f4da3a8da
commit c71d0b31bf
2 changed files with 13 additions and 1 deletions
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2
Documentation/devicetree/bindings/net/can/c_can.txt
View File

@ -4,7 +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".
Can be "ti,dra7-d_can" or "ti,am3352-d_can".
- reg : physical base address and size of the C_CAN/D_CAN
registers map
- interrupts : property with a value describing the interrupt

12
drivers/net/can/c_can/c_can_platform.c
View File

@ -202,6 +202,17 @@ static const struct c_can_driver_data dra7_dcan_drvdata = {
.raminit_pulse = true,
};
static const struct raminit_bits am3352_raminit_bits[] = {
[0] = { .start = 0, .done = 8, },
[1] = { .start = 1, .done = 9, },
};
static const struct c_can_driver_data am3352_dcan_drvdata = {
.id = BOSCH_D_CAN,
.raminit_num = ARRAY_SIZE(am3352_raminit_bits),
.raminit_bits = am3352_raminit_bits,
};
static struct platform_device_id c_can_id_table[] = {
{
.name = KBUILD_MODNAME,
@ -223,6 +234,7 @@ 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 },
{ .compatible = "ti,am3352-d_can", .data = &am3352_dcan_drvdata },
{ /* sentinel */ },
};
MODULE_DEVICE_TABLE(of, c_can_of_table);