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can: rockchip_canfd: add support for rk3568v3

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Add the support for the rk3568v3 SoC, the CAN-FD IP core has 7
documented errata.

Tested-by: Alibek Omarov <a1ba.omarov@gmail.com>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patch.msgid.link/20240904-rockchip-canfd-v5-7-8ae22bcb27cc@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Marc Kleine-Budde 2024-05-19 15:25:25 +02:00
parent bbdffb3414
commit c158f22fe5
2 changed files with 21 additions and 0 deletions
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20
drivers/net/can/rockchip/rockchip_canfd-core.c
View File

@ -35,11 +35,28 @@ static const struct rkcanfd_devtype_data rkcanfd_devtype_data_rk3568v2 = {
RKCANFD_QUIRK_CANFD_BROKEN,
};
/* The rk3568 CAN-FD errata sheet as of Tue 07 Nov 2023 11:25:31 +08:00
* states that only the rk3568v2 is affected by erratum 5, but tests
* with the rk3568v2 and rk3568v3 show that the RX_FIFO_CNT is
* sometimes too high. In contrast to the errata sheet mark rk3568v3
* as effected by erratum 5, too.
*/
static const struct rkcanfd_devtype_data rkcanfd_devtype_data_rk3568v3 = {
.model = RKCANFD_MODEL_RK3568V3,
.quirks = RKCANFD_QUIRK_RK3568_ERRATUM_1 | RKCANFD_QUIRK_RK3568_ERRATUM_2 |
RKCANFD_QUIRK_RK3568_ERRATUM_5 | RKCANFD_QUIRK_RK3568_ERRATUM_7 |
RKCANFD_QUIRK_RK3568_ERRATUM_8 | RKCANFD_QUIRK_RK3568_ERRATUM_10 |
RKCANFD_QUIRK_RK3568_ERRATUM_11 | RKCANFD_QUIRK_RK3568_ERRATUM_12 |
RKCANFD_QUIRK_CANFD_BROKEN,
};
static const char *__rkcanfd_get_model_str(enum rkcanfd_model model)
{
switch (model) {
case RKCANFD_MODEL_RK3568V2:
return "rk3568v2";
case RKCANFD_MODEL_RK3568V3:
return "rk3568v3";
}
return "<unknown>";
@ -764,6 +781,9 @@ static const struct of_device_id rkcanfd_of_match[] = {
{
.compatible = "rockchip,rk3568v2-canfd",
.data = &rkcanfd_devtype_data_rk3568v2,
}, {
.compatible = "rockchip,rk3568v3-canfd",
.data = &rkcanfd_devtype_data_rk3568v3,
}, {
/* sentinel */
},

1
drivers/net/can/rockchip/rockchip_canfd.h
View File

@ -372,6 +372,7 @@
enum rkcanfd_model {
RKCANFD_MODEL_RK3568V2 = 0x35682,
RKCANFD_MODEL_RK3568V3 = 0x35683,
};
struct rkcanfd_devtype_data {