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authorRoger Quadros <rogerq@ti.com>2014-11-07 16:49:21 +0200
committerMarc Kleine-Budde <mkl@pengutronix.de>2014-11-17 12:19:27 +0100
commit0f4da3a8da5fe3a079b1adf613d121a0fafd63f1 (patch)
treed1760a99468352e6d9471ce6c820e2dcaff2192c
parent3973c526ae9cda5959bf6ef8ed936c46845eb774 (diff)
downloadlinux-0f4da3a8da5fe3a079b1adf613d121a0fafd63f1.tar.bz2
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: Roger Quadros <rogerq@ti.com> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
-rw-r--r--Documentation/devicetree/bindings/net/can/c_can.txt1
-rw-r--r--drivers/net/can/c_can/c_can_platform.c13
2 files changed, 14 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/can/c_can.txt b/Documentation/devicetree/bindings/net/can/c_can.txt
index a3ca3ee53546..f682fdb6d921 100644
--- a/Documentation/devicetree/bindings/net/can/c_can.txt
+++ b/Documentation/devicetree/bindings/net/can/c_can.txt
@@ -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
diff --git a/drivers/net/can/c_can/c_can_platform.c b/drivers/net/can/c_can/c_can_platform.c
index 41fa460c3592..570da5f56aae 100644
--- a/drivers/net/can/c_can/c_can_platform.c
+++ b/drivers/net/can/c_can/c_can_platform.c
@@ -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);