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authorMarc Kleine-Budde <mkl@pengutronix.de>2024-05-19 15:25:25 +0200
committerMarc Kleine-Budde <mkl@pengutronix.de>2024-09-04 14:41:51 +0200
commitc158f22fe5562f416bcec4d6a75ae0f9f6661910 (patch)
treed6a891ee11a5a1b404ada2c618e4525958c7a00f /drivers/net/can
parentbbdffb341498431ed5e8d97f1f6af49704eeb3e3 (diff)
can: rockchip_canfd: add support for rk3568v3
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>
Diffstat (limited to 'drivers/net/can')
-rw-r--r--drivers/net/can/rockchip/rockchip_canfd-core.c20
-rw-r--r--drivers/net/can/rockchip/rockchip_canfd.h1
2 files changed, 21 insertions, 0 deletions
diff --git a/drivers/net/can/rockchip/rockchip_canfd-core.c b/drivers/net/can/rockchip/rockchip_canfd-core.c
index 61de6f89cf16..40911bb63623 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>";
@@ -765,6 +782,9 @@ 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 {