[PATCH net-next 06/18] ptp: ocp: Add third timestamper
From: Jonathan Lemon <hidden>
Date: 2021-09-15 02:16:52
Subsystem:
networking drivers, opencompute ptp clock driver, ptp hardware clock support, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Vadim Fedorenko, Richard Cochran, Linus Torvalds
The firmware may provide a third signal timestamper, so make it available for use. Signed-off-by: Jonathan Lemon <redacted> --- drivers/ptp/ptp_ocp.c | 19 +++++++++++++++++-- 1 file 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
@@ -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)
--
2.31.1