diff options
Diffstat (limited to 'drivers/ptp/ptp_ocp.c')
| -rw-r--r-- | drivers/ptp/ptp_ocp.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/ptp/ptp_ocp.c b/drivers/ptp/ptp_ocp.c index 5b50a16912b7..e9094dee78a4 100644 --- a/drivers/ptp/ptp_ocp.c +++ b/drivers/ptp/ptp_ocp.c @@ -52,6 +52,8 @@ struct ocp_reg { u32 servo_offset_i; u32 servo_drift_p; u32 servo_drift_i; + u32 status_offset; + u32 status_drift; }; #define OCP_CTRL_ENABLE BIT(0) @@ -1935,6 +1937,36 @@ available_clock_sources_show(struct device *dev, } static DEVICE_ATTR_RO(available_clock_sources); +static ssize_t +clock_status_drift_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct ptp_ocp *bp = dev_get_drvdata(dev); + u32 val; + int res; + + val = ioread32(&bp->reg->status_drift); + res = (val & ~INT_MAX) ? -1 : 1; + res *= (val & INT_MAX); + return sysfs_emit(buf, "%d\n", res); +} +static DEVICE_ATTR_RO(clock_status_drift); + +static ssize_t +clock_status_offset_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct ptp_ocp *bp = dev_get_drvdata(dev); + u32 val; + int res; + + val = ioread32(&bp->reg->status_offset); + res = (val & ~INT_MAX) ? -1 : 1; + res *= (val & INT_MAX); + return sysfs_emit(buf, "%d\n", res); +} +static DEVICE_ATTR_RO(clock_status_offset); + static struct attribute *timecard_attrs[] = { &dev_attr_serialnum.attr, &dev_attr_gnss_sync.attr, @@ -1946,6 +1978,8 @@ static struct attribute *timecard_attrs[] = { &dev_attr_sma4.attr, &dev_attr_available_sma_inputs.attr, &dev_attr_available_sma_outputs.attr, + &dev_attr_clock_status_drift.attr, + &dev_attr_clock_status_offset.attr, &dev_attr_irig_b_mode.attr, &dev_attr_utc_tai_offset.attr, &dev_attr_ts_window_adjust.attr, |