ice: Add GPIO pin support for E823 products

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>

diff --git a/drivers/net/ethernet/intel/ice/ice_common.c b/drivers/net/ethernet/intel/ice/ice_common.c
index 1b79bb0..c2fda4f 100644 (file)
--- a/drivers/net/ethernet/intel/ice/ice_common.c
+++ b/drivers/net/ethernet/intel/ice/ice_common.c
@@ -208,6 +208,31 @@ bool ice_is_e810t(struct ice_hw *hw)
 }
 
 /**
+ * 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
  *

diff --git a/drivers/net/ethernet/intel/ice/ice_common.h b/drivers/net/ethernet/intel/ice/ice_common.h
index 98aa8d1..8ba5f93 100644 (file)
--- a/drivers/net/ethernet/intel/ice/ice_common.h
+++ b/drivers/net/ethernet/intel/ice/ice_common.h
@@ -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);

diff --git a/drivers/net/ethernet/intel/ice/ice_ptp.c b/drivers/net/ethernet/intel/ice/ice_ptp.c
index 3abc8db..651dc38 100644 (file)
--- a/drivers/net/ethernet/intel/ice/ice_ptp.c
+++ b/drivers/net/ethernet/intel/ice/ice_ptp.c
@@ -1770,6 +1770,38 @@ ice_ptp_gpio_enable_e810(struct ptp_clock_info *info,
 }
 
 /**
+ * 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
  * @ts: timespec64 structure to hold the current time value
@@ -2221,6 +2253,19 @@ 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
  * @info: PTP info to fill
@@ -2258,6 +2303,23 @@ ice_ptp_set_funcs_e810(struct ice_pf *pf, struct ptp_clock_info *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);
 }