On Fri, Nov 13, 2020 at 04:53:11AM +0200, Vladimir Oltean wrote:
> Richard, do you think we can clarify the intended usage of PTP_CLK_REQ_PPS
> in the documentation? It doesn't appear to be written anywhere that
> PTP_ENABLE_PPS is supposed to enable event generation for the drivers/pps
>
On Thu, Nov 12, 2020 at 04:35:36PM +0100, Christian Eggers wrote:
> static int ksz9477_ptp_enable(struct ptp_clock_info *ptp, struct
> ptp_clock_request *req, int on)
> {
> - return -ENOTTY;
> + struct ksz_device *dev = container_of(ptp, struct ksz_device, ptp_caps);
> + int ret;
>
The KSZ9563 has a Trigger Output Unit (TOU) which can be used to
generate periodic signals.
After adjusting the PTP clock time, the PPS signal has to be restarted.
Tested on a Microchip KSZ9563 switch.
Signed-off-by: Christian Eggers
---
drivers/net/dsa/microchip/ksz9477_ptp.c | 251
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