From: Jimmy Assarsson <jimmyassarsson@gmail.com>
To: linux-can@vger.kernel.org
Cc: Jimmy Assarsson <jimmyassarsson@gmail.com>,
Jimmy Assarsson <extja@kvaser.com>
Subject: [PATCH 5/6] can: kvaser_usb: kvaser_usb_hydra: Add support for new device variant
Date: Sun, 15 Nov 2020 17:30:26 +0100 [thread overview]
Message-ID: <20201115163027.16851-5-jimmyassarsson@gmail.com> (raw)
In-Reply-To: <20201115163027.16851-1-jimmyassarsson@gmail.com>
From: Christer Beskow <chbe@kvaser.com>
Add support for a new variant of devices using the hydra platform, based on
NXP i.MX RT (flexcan).
Signed-off-by: Christer Beskow <chbe@kvaser.com>
Signed-off-by: Jimmy Assarsson <extja@kvaser.com>
---
.../net/can/usb/kvaser_usb/kvaser_usb_hydra.c | 37 +++++++++++++++++++
1 file changed, 37 insertions(+)
diff --git a/drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c b/drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c
index 218fadc91155..980ff3acfefd 100644
--- a/drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c
+++ b/drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c
@@ -34,6 +34,7 @@
/* Forward declarations */
static const struct kvaser_usb_dev_cfg kvaser_usb_hydra_dev_cfg_kcan;
static const struct kvaser_usb_dev_cfg kvaser_usb_hydra_dev_cfg_flexc;
+static const struct kvaser_usb_dev_cfg kvaser_usb_hydra_dev_cfg_rt;
#define KVASER_USB_HYDRA_BULK_EP_IN_ADDR 0x82
#define KVASER_USB_HYDRA_BULK_EP_OUT_ADDR 0x02
@@ -135,6 +136,7 @@ struct kvaser_cmd_sw_detail_req {
#define KVASER_USB_HYDRA_SW_FLAG_CANFD BIT(10)
#define KVASER_USB_HYDRA_SW_FLAG_NONISO BIT(11)
#define KVASER_USB_HYDRA_SW_FLAG_EXT_CAP BIT(12)
+#define KVASER_USB_HYDRA_SW_FLAG_CAN_FREQ_80M BIT(13)
struct kvaser_cmd_sw_detail_res {
__le32 sw_flags;
__le32 sw_version;
@@ -383,6 +385,30 @@ static const struct can_bittiming_const kvaser_usb_hydra_flexc_bittiming_c = {
.brp_inc = 1,
};
+static const struct can_bittiming_const kvaser_usb_hydra_rt_bittiming_c = {
+ .name = "kvaser_usb_rt",
+ .tseg1_min = 2,
+ .tseg1_max = 96,
+ .tseg2_min = 2,
+ .tseg2_max = 32,
+ .sjw_max = 32,
+ .brp_min = 1,
+ .brp_max = 1024,
+ .brp_inc = 1,
+};
+
+static const struct can_bittiming_const kvaser_usb_hydra_rtd_bittiming_c = {
+ .name = "kvaser_usb_rt",
+ .tseg1_min = 2,
+ .tseg1_max = 39,
+ .tseg2_min = 2,
+ .tseg2_max = 8,
+ .sjw_max = 8,
+ .brp_min = 1,
+ .brp_max = 1024,
+ .brp_inc = 1,
+};
+
#define KVASER_USB_HYDRA_TRANSID_BITS 12
#define KVASER_USB_HYDRA_TRANSID_MASK \
GENMASK(KVASER_USB_HYDRA_TRANSID_BITS - 1, 0)
@@ -1727,6 +1753,8 @@ static int kvaser_usb_hydra_get_software_details(struct kvaser_usb *dev)
if (flags & KVASER_USB_HYDRA_SW_FLAG_FREQ_80M)
dev->cfg = &kvaser_usb_hydra_dev_cfg_kcan;
+ else if (flags & KVASER_USB_HYDRA_SW_FLAG_CAN_FREQ_80M)
+ dev->cfg = &kvaser_usb_hydra_dev_cfg_rt;
else
dev->cfg = &kvaser_usb_hydra_dev_cfg_flexc;
@@ -2026,3 +2054,12 @@ static const struct kvaser_usb_dev_cfg kvaser_usb_hydra_dev_cfg_flexc = {
.timestamp_freq = 1,
.bittiming_const = &kvaser_usb_hydra_flexc_bittiming_c,
};
+
+static const struct kvaser_usb_dev_cfg kvaser_usb_hydra_dev_cfg_rt = {
+ .clock = {
+ .freq = 80000000,
+ },
+ .timestamp_freq = 24,
+ .bittiming_const = &kvaser_usb_hydra_rt_bittiming_c,
+ .data_bittiming_const = &kvaser_usb_hydra_rtd_bittiming_c,
+};
--
2.29.2
next prev parent reply other threads:[~2020-11-15 16:31 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-15 16:30 [PATCH 1/6] can: kvaser_pciefd: Fix KCAN bittiming limits Jimmy Assarsson
2020-11-15 16:30 ` [PATCH 2/6] can: kvaser_usb: kvaser_usb_hydra: " Jimmy Assarsson
2020-11-15 16:30 ` [PATCH 3/6] can: kvaser_usb: Add USB_{LEAF,HYDRA}_PRODUCT_ID_END defines Jimmy Assarsson
2020-11-15 16:30 ` [PATCH 4/6] can: kvaser_usb: Add new Kvaser Leaf v2 devices Jimmy Assarsson
2020-11-15 16:30 ` Jimmy Assarsson [this message]
2020-11-15 16:30 ` [PATCH 6/6] can: kvaser_usb: Add new Kvaser hydra devices Jimmy Assarsson
2020-11-15 17:55 ` [PATCH 1/6] can: kvaser_pciefd: Fix KCAN bittiming limits Marc Kleine-Budde
2020-11-15 21:10 ` Jimmy Assarsson
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