diff options
| author | Jonathan Lemon <jonathan.lemon@gmail.com> | 2021-09-15 04:16:24 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-09-15 12:10:00 +0200 |
| commit | dcf614692c6cb93c7f4957fbdc7f5d024f5e2f7b (patch) | |
| tree | 22aa782ad8710346d877036e7c09741c022b6005 /drivers/ptp | |
| parent | ptp: ocp: Report error if resource registration fails. (diff) | |
| download | linux-dcf614692c6cb93c7f4957fbdc7f5d024f5e2f7b.tar.xz linux-dcf614692c6cb93c7f4957fbdc7f5d024f5e2f7b.zip | |
ptp: ocp: Add third timestamper
The firmware may provide a third signal timestamper, so make it
available for use.
Signed-off-by: Jonathan Lemon <jonathan.lemon@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/ptp')
| -rw-r--r-- | drivers/ptp/ptp_ocp.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/drivers/ptp/ptp_ocp.c b/drivers/ptp/ptp_ocp.c index 1f86e878ccba..23d5f20f43f8 100644 --- a/drivers/ptp/ptp_ocp.c +++ b/drivers/ptp/ptp_ocp.c @@ -162,6 +162,7 @@ struct ptp_ocp { struct ptp_ocp_ext_src *pps; struct ptp_ocp_ext_src *ts0; struct ptp_ocp_ext_src *ts1; + struct ptp_ocp_ext_src *ts2; struct img_reg __iomem *image; struct ptp_clock *ptp; struct ptp_clock_info ptp_info; @@ -228,7 +229,7 @@ static int ptp_ocp_ts_enable(void *priv, bool enable); * 3: GPS * 4: GPS2 (n/c) * 5: MAC - * 6: N/C + * 6: TS2 * 7: I2C controller * 8: HWICAP * 9: SPI Flash @@ -258,6 +259,15 @@ static struct ocp_resource ocp_fb_resource[] = { }, }, { + OCP_EXT_RESOURCE(ts2), + .offset = 0x01060000, .size = 0x10000, .irq_vec = 6, + .extra = &(struct ptp_ocp_ext_info) { + .index = 2, + .irq_fcn = ptp_ocp_ts_irq, + .enable = ptp_ocp_ts_enable, + }, + }, + { OCP_MEM_RESOURCE(pps_to_ext), .offset = 0x01030000, .size = 0x10000, }, @@ -497,6 +507,9 @@ ptp_ocp_enable(struct ptp_clock_info *ptp_info, struct ptp_clock_request *rq, case 1: ext = bp->ts1; break; + case 2: + ext = bp->ts2; + break; } break; case PTP_CLK_REQ_PPS: @@ -524,7 +537,7 @@ static const struct ptp_clock_info ptp_ocp_clock_info = { .adjphase = ptp_ocp_adjphase, .enable = ptp_ocp_enable, .pps = true, - .n_ext_ts = 2, + .n_ext_ts = 3, }; static void @@ -1407,6 +1420,8 @@ ptp_ocp_detach(struct ptp_ocp *bp) ptp_ocp_unregister_ext(bp->ts0); if (bp->ts1) ptp_ocp_unregister_ext(bp->ts1); + if (bp->ts2) + ptp_ocp_unregister_ext(bp->ts2); if (bp->pps) ptp_ocp_unregister_ext(bp->pps); if (bp->gnss_port != -1) |