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can: c_can: Add support for TI DRA7 DCAN

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

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Roger Quadros 2014-11-07 16:49:21 +02:00 committed by Marc Kleine-Budde
parent 3973c526ae
commit 0f4da3a8da
2 changed files with 14 additions and 0 deletions
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1
Documentation/devicetree/bindings/net/can/c_can.txt
View File

@ -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

13
drivers/net/can/c_can/c_can_platform.c
View File

@ -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);