net: mscc: ocelot: move ocelot ptp clock code out of ocelot.c

[sfrench/cifs-2.6.git] / include / soc / mscc / ocelot_ptp.h

diff --git a/include/soc/mscc/ocelot_ptp.h b/include/soc/mscc/ocelot_ptp.h
new file mode 100644 (file)
index 0000000..f01b0ce
--- /dev/null
+++ b/include/soc/mscc/ocelot_ptp.h
@@ -0,0 +1,52 @@
+/* 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_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_init_timestamp(struct ocelot *ocelot, struct ptp_clock_info *info);
+int ocelot_deinit_timestamp(struct ocelot *ocelot);
+#endif