diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_ptp_hw.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_ptp_hw.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_ptp_hw.c b/drivers/net/ethernet/intel/ice/ice_ptp_hw.c index 07ecf2a86742..6dff422b7f4e 100644 --- a/drivers/net/ethernet/intel/ice/ice_ptp_hw.c +++ b/drivers/net/ethernet/intel/ice/ice_ptp_hw.c @@ -661,6 +661,29 @@ static int ice_cfg_cgu_pll_e825c(struct ice_hw *hw, return 0; } +#define ICE_ONE_PPS_OUT_AMP_MAX 3 + +/** + * ice_cgu_cfg_pps_out - Configure 1PPS output from CGU + * @hw: pointer to the HW struct + * @enable: true to enable 1PPS output, false to disable it + * + * Return: 0 on success, other negative error code when CGU read/write failed + */ +int ice_cgu_cfg_pps_out(struct ice_hw *hw, bool enable) +{ + union nac_cgu_dword9 dw9; + int err; + + err = ice_read_cgu_reg_e82x(hw, NAC_CGU_DWORD9, &dw9.val); + if (err) + return err; + + dw9.one_pps_out_en = enable; + dw9.one_pps_out_amp = enable * ICE_ONE_PPS_OUT_AMP_MAX; + return ice_write_cgu_reg_e82x(hw, NAC_CGU_DWORD9, dw9.val); +} + /** * ice_cfg_cgu_pll_dis_sticky_bits_e82x - disable TS PLL sticky bits * @hw: pointer to the HW struct |