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ice: Add GPIO pin support for E823 products

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Add GPIO pin setup for E823, which is only 1PPS input and output.

Signed-off-by: Karol Kolacinski <karol.kolacinski@intel.com>
Tested-by: Gurucharan G <gurucharanx.g@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
This commit is contained in:
Karol Kolacinski 2022-09-14 12:04:29 +02:00 committed by Tony Nguyen
parent 2edd925704
commit 634d841dbf
3 changed files with 90 additions and 0 deletions
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25
drivers/net/ethernet/intel/ice/ice_common.c
View File

@ -207,6 +207,31 @@ bool ice_is_e810t(struct ice_hw *hw)
return false;
}
/**
* ice_is_e823
* @hw: pointer to the hardware structure
*
* returns true if the device is E823-L or E823-C based, false if not.
*/
bool ice_is_e823(struct ice_hw *hw)
{
switch (hw->device_id) {
case ICE_DEV_ID_E823L_BACKPLANE:
case ICE_DEV_ID_E823L_SFP:
case ICE_DEV_ID_E823L_10G_BASE_T:
case ICE_DEV_ID_E823L_1GBE:
case ICE_DEV_ID_E823L_QSFP:
case ICE_DEV_ID_E823C_BACKPLANE:
case ICE_DEV_ID_E823C_QSFP:
case ICE_DEV_ID_E823C_SFP:
case ICE_DEV_ID_E823C_10G_BASE_T:
case ICE_DEV_ID_E823C_SGMII:
return true;
default:
return false;
}
}
/**
* ice_clear_pf_cfg - Clear PF configuration
* @hw: pointer to the hardware structure

1
drivers/net/ethernet/intel/ice/ice_common.h
View File

@ -199,6 +199,7 @@ void
ice_stat_update32(struct ice_hw *hw, u32 reg, bool prev_stat_loaded,
u64 *prev_stat, u64 *cur_stat);
bool ice_is_e810t(struct ice_hw *hw);
bool ice_is_e823(struct ice_hw *hw);
int
ice_sched_query_elem(struct ice_hw *hw, u32 node_teid,
struct ice_aqc_txsched_elem_data *buf);

64
drivers/net/ethernet/intel/ice/ice_ptp.c
View File

@ -1769,6 +1769,38 @@ ice_ptp_gpio_enable_e810(struct ptp_clock_info *info,
return err;
}
/**
* ice_ptp_gpio_enable_e823 - Enable/disable ancillary features of PHC
* @info: the driver's PTP info structure
* @rq: The requested feature to change
* @on: Enable/disable flag
*/
static int ice_ptp_gpio_enable_e823(struct ptp_clock_info *info,
struct ptp_clock_request *rq, int on)
{
struct ice_pf *pf = ptp_info_to_pf(info);
struct ice_perout_channel clk_cfg = {0};
int err;
switch (rq->type) {
case PTP_CLK_REQ_PPS:
clk_cfg.gpio_pin = PPS_PIN_INDEX;
clk_cfg.period = NSEC_PER_SEC;
clk_cfg.ena = !!on;
err = ice_ptp_cfg_clkout(pf, PPS_CLK_GEN_CHAN, &clk_cfg, true);
break;
case PTP_CLK_REQ_EXTTS:
err = ice_ptp_cfg_extts(pf, !!on, rq->extts.index,
TIME_SYNC_PIN_INDEX, rq->extts.flags);
break;
default:
return -EOPNOTSUPP;
}
return err;
}
/**
* ice_ptp_gettimex64 - Get the time of the clock
* @info: the driver's PTP info structure
@ -2220,6 +2252,19 @@ ice_ptp_setup_pins_e810(struct ice_pf *pf, struct ptp_clock_info *info)
}
}
/**
* ice_ptp_setup_pins_e823 - Setup PTP pins in sysfs
* @pf: pointer to the PF instance
* @info: PTP clock capabilities
*/
static void
ice_ptp_setup_pins_e823(struct ice_pf *pf, struct ptp_clock_info *info)
{
info->pps = 1;
info->n_per_out = 0;
info->n_ext_ts = 1;
}
/**
* ice_ptp_set_funcs_e822 - Set specialized functions for E822 support
* @pf: Board private structure
@ -2257,6 +2302,23 @@ ice_ptp_set_funcs_e810(struct ice_pf *pf, struct ptp_clock_info *info)
ice_ptp_setup_pins_e810(pf, info);
}
/**
* ice_ptp_set_funcs_e823 - Set specialized functions for E823 support
* @pf: Board private structure
* @info: PTP info to fill
*
* Assign functions to the PTP capabiltiies structure for E823 devices.
* Functions which operate across all device families should be set directly
* in ice_ptp_set_caps. Only add functions here which are distinct for e823
* devices.
*/
static void
ice_ptp_set_funcs_e823(struct ice_pf *pf, struct ptp_clock_info *info)
{
info->enable = ice_ptp_gpio_enable_e823;
ice_ptp_setup_pins_e823(pf, info);
}
/**
* ice_ptp_set_caps - Set PTP capabilities
* @pf: Board private structure
@ -2277,6 +2339,8 @@ static void ice_ptp_set_caps(struct ice_pf *pf)
if (ice_is_e810(&pf->hw))
ice_ptp_set_funcs_e810(pf, info);
else if (ice_is_e823(&pf->hw))
ice_ptp_set_funcs_e823(pf, info);
else
ice_ptp_set_funcs_e822(pf, info);
}