1 files changed, 59 insertions, 0 deletions
diff --git a/include/soc/mscc/ocelot_ptp.h b/include/soc/mscc/ocelot_ptp.h
new file mode 100644
index 000000000..6a7388fa7
--- /dev/null
+++ b/include/soc/mscc/ocelot_ptp.h
@@ -0,0 +1,59 @@
+/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
+/*
+ * Microsemi Ocelot Switch driver
+ *
+ * License: Dual MIT/GPL
+ * Copyright (c) 2017 Microsemi Corporation
+ * Copyright 2020 NXP
+ */
+
+#ifndef _MSCC_OCELOT_PTP_H_
+#define _MSCC_OCELOT_PTP_H_
+
+#include <linux/ptp_clock_kernel.h>
+#include <soc/mscc/ocelot.h>
+
+#define PTP_PIN_CFG_RSZ			0x20
+#define PTP_PIN_TOD_SEC_MSB_RSZ		PTP_PIN_CFG_RSZ
+#define PTP_PIN_TOD_SEC_LSB_RSZ		PTP_PIN_CFG_RSZ
+#define PTP_PIN_TOD_NSEC_RSZ		PTP_PIN_CFG_RSZ
+#define PTP_PIN_WF_HIGH_PERIOD_RSZ	PTP_PIN_CFG_RSZ
+#define PTP_PIN_WF_LOW_PERIOD_RSZ	PTP_PIN_CFG_RSZ
+
+#define PTP_PIN_CFG_DOM			BIT(0)
+#define PTP_PIN_CFG_SYNC		BIT(2)
+#define PTP_PIN_CFG_ACTION(x)		((x) << 3)
+#define PTP_PIN_CFG_ACTION_MASK		PTP_PIN_CFG_ACTION(0x7)
+
+enum {
+	PTP_PIN_ACTION_IDLE = 0,
+	PTP_PIN_ACTION_LOAD,
+	PTP_PIN_ACTION_SAVE,
+	PTP_PIN_ACTION_CLOCK,
+	PTP_PIN_ACTION_DELTA,
+	PTP_PIN_ACTION_NOSYNC,
+	PTP_PIN_ACTION_SYNC,
+};
+
+#define PTP_CFG_MISC_PTP_EN		BIT(2)
+
+#define PSEC_PER_SEC			1000000000000LL
+
+#define PTP_CFG_CLK_ADJ_CFG_ENA		BIT(0)
+#define PTP_CFG_CLK_ADJ_CFG_DIR		BIT(1)
+
+#define PTP_CFG_CLK_ADJ_FREQ_NS		BIT(30)
+
+int ocelot_ptp_gettime64(struct ptp_clock_info *ptp, struct timespec64 *ts);
+int ocelot_ptp_settime64(struct ptp_clock_info *ptp,
+			 const struct timespec64 *ts);
+int ocelot_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta);
+int ocelot_ptp_adjfine(struct ptp_clock_info *ptp, long scaled_ppm);
+int ocelot_ptp_verify(struct ptp_clock_info *ptp, unsigned int pin,
+		      enum ptp_pin_function func, unsigned int chan);
+int ocelot_ptp_enable(struct ptp_clock_info *ptp,
+		      struct ptp_clock_request *rq, int on);
+int ocelot_init_timestamp(struct ocelot *ocelot,
+			  const struct ptp_clock_info *info);
+int ocelot_deinit_timestamp(struct ocelot *ocelot);
+#endif