This patch is to add Kconfig options to support fiper pulse loopback mode. This is very useful for validating hardware and driver without external hardware.
Signed-off-by: Yangbo Lu <[email protected]> --- Changes for v2: - None. --- drivers/ptp/Kconfig | 18 ++++++++++++++++++ drivers/ptp/ptp_qoriq.c | 7 ++++++- 2 files changed, 24 insertions(+), 1 deletions(-) diff --git a/drivers/ptp/Kconfig b/drivers/ptp/Kconfig index d137c48..561d797 100644 --- a/drivers/ptp/Kconfig +++ b/drivers/ptp/Kconfig @@ -55,6 +55,24 @@ config PTP_1588_CLOCK_QORIQ To compile this driver as a module, choose M here: the module will be called ptp_qoriq. +config PTP_1588_CLOCK_QORIQ_FIPER1_LOOPBACK + bool "Fiper1 pulse loopback" + depends on PTP_1588_CLOCK_QORIQ + default n + help + Enable fiper1 pulse loopback mode. If choose y, fiper1 pulse is + looped back into trigger1 input. In default, trigger1 input is + based upon normal external trigger input. + +config PTP_1588_CLOCK_QORIQ_FIPER2_LOOPBACK + bool "Fiper2 pulse loopback" + depends on PTP_1588_CLOCK_QORIQ + default n + help + Enable fiper2 pulse loopback mode. If choose y, fiper2 pulse is + looped back into trigger2 input. In default, trigger2 input is + based upon normal external trigger input. + config PTP_1588_CLOCK_IXP46X tristate "Intel IXP46x as PTP clock" depends on IXP4XX_ETH diff --git a/drivers/ptp/ptp_qoriq.c b/drivers/ptp/ptp_qoriq.c index a2e7702..5294475 100644 --- a/drivers/ptp/ptp_qoriq.c +++ b/drivers/ptp/ptp_qoriq.c @@ -551,7 +551,12 @@ static int qoriq_ptp_probe(struct platform_device *dev) tmr_ctrl = (qoriq_ptp->tclk_period & TCLK_PERIOD_MASK) << TCLK_PERIOD_SHIFT | (qoriq_ptp->cksel & CKSEL_MASK) << CKSEL_SHIFT; - +#ifdef CONFIG_PTP_1588_CLOCK_QORIQ_FIPER1_LOOPBACK + tmr_ctrl |= PP1L; +#endif +#ifdef CONFIG_PTP_1588_CLOCK_QORIQ_FIPER2_LOOPBACK + tmr_ctrl |= PP2L; +#endif spin_lock_irqsave(&qoriq_ptp->lock, flags); regs = &qoriq_ptp->regs; -- 1.7.1
