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ptp: ocp: Add third timestamper

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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>
This commit is contained in:
Jonathan Lemon 2021-09-14 19:16:24 -07:00 committed by David S. Miller
parent bceff2905e
commit dcf614692c
1 changed files with 17 additions and 2 deletions
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19
drivers/ptp/ptp_ocp.c
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@ -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
@ -257,6 +258,15 @@ static struct ocp_resource ocp_fb_resource[] = {
.enable = ptp_ocp_ts_enable,
},
},
{
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)