Add the support for the rk3568v3 SoC, the CAN-FD IP core has 7
documented errata.
Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>
---
drivers/net/can/rockchip/rockchip_canfd-core.c | 20 ++++++++++++++++++++
drivers/net/can/rockchip/rockchip_canfd.h | 1 +
2 files changed, 21 insertions(+)
diff --git a/drivers/net/can/rockchip/rockchip_canfd-core.c b/drivers/net/can/rockchip/rockchip_canfd-core.c
index 0887164b0db3..7b4abf9984af 100644
--- a/drivers/net/can/rockchip/rockchip_canfd-core.c
+++ b/drivers/net/can/rockchip/rockchip_canfd-core.c
@@ -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>";
@@ -767,6 +784,9 @@ 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 */
},
diff --git a/drivers/net/can/rockchip/rockchip_canfd.h b/drivers/net/can/rockchip/rockchip_canfd.h
index 7321027534fb..9b446331fbd0 100644
--- a/drivers/net/can/rockchip/rockchip_canfd.h
+++ b/drivers/net/can/rockchip/rockchip_canfd.h
@@ -372,6 +372,7 @@
enum rkcanfd_model {
RKCANFD_MODEL_RK3568V2 = 0x35682,
+ RKCANFD_MODEL_RK3568V3 = 0x35683,
};
struct rkcanfd_devtype_data {
--
2.43.0
