[PATCH v4 7/8] net: can: c_can: Add support for TI DRA7 DCAN
From: Roger Quadros <hidden>
Date: 2014-11-07 14:49:21
Also in:
linux-can, linux-omap
Subsystem:
can network drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Marc Kleine-Budde, Vincent Mailhol, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
DRA7 SoC has 2 CAN IPs. Provide compatible IDs and RAMINIT register data for both. Signed-off-by: Roger Quadros <redacted> --- Documentation/devicetree/bindings/net/can/c_can.txt | 1 + drivers/net/can/c_can/c_can_platform.c | 11 +++++++++++ 2 files changed, 12 insertions(+)
diff --git a/Documentation/devicetree/bindings/net/can/c_can.txt b/Documentation/devicetree/bindings/net/can/c_can.txt
index a3ca3ee..f682fdb 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 71b9063..7a81db4 100644
--- a/drivers/net/can/c_can/c_can_platform.c
+++ b/drivers/net/can/c_can/c_can_platform.c@@ -195,6 +195,16 @@ static struct c_can_driver_data d_can_drvdata = { .id = BOSCH_D_CAN, }; +static u8 dra7_raminit_start_bits[] = {3, 5}; +static u8 dra7_raminit_done_bits[] = {1, 2}; +static struct c_can_driver_data dra7_dcan_drvdata = { + .id = BOSCH_D_CAN, + .num_can = 2, + .raminit_start_bits = dra7_raminit_start_bits, + .raminit_done_bits = dra7_raminit_done_bits, + .raminit_pulse = true, +}; + static struct platform_device_id c_can_id_table[] = { { .name = KBUILD_MODNAME,
@@ -215,6 +225,7 @@ 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);
--
1.8.3.2