On Thu, Jun 27, 2024 at 05:09:31PM +0200, Karol Kolacinski wrote:
> From: Sergey Temerkhanov <sergey.temerkha...@intel.com>
>
> Implement 1PPS signal enabling/disabling in CGU. The amplitude is
> always the maximum in this implementation
>
> Reviewed-by: Arkadiusz Kubalewski <arkadiusz.kubalew...@intel.com>
> Signed-off-by: Sergey Temerkhanov <sergey.temerkha...@intel.com>
> Co-developed-by: Karol Kolacinski <karol.kolacin...@intel.com>
> Signed-off-by: Karol Kolacinski <karol.kolacin...@intel.com>
...
> diff --git a/drivers/net/ethernet/intel/ice/ice_ptp_hw.c
> b/drivers/net/ethernet/intel/ice/ice_ptp_hw.c
> index 07ecf2a86742..fa7cf8453b88 100644
> --- a/drivers/net/ethernet/intel/ice/ice_ptp_hw.c
> +++ b/drivers/net/ethernet/intel/ice/ice_ptp_hw.c
> @@ -661,6 +661,27 @@ static int ice_cfg_cgu_pll_e825c(struct ice_hw *hw,
> return 0;
> }
>
> +#define ICE_ONE_PPS_OUT_AMP_MAX 3
> +
> +/**
> + * ice_cgu_ena_pps_out - Enable/disable 1PPS output
> + * @hw: pointer to the HW struct
> + * @ena: Enable/disable 1PPS output
Please include a "Returns: " or "Return: " section in the kernel doc
for functions that have a return value.
NIPA has recently got more picky about this.
Flagged by kernel-doc -none --Warn
> + */
> +int ice_cgu_ena_pps_out(struct ice_hw *hw, bool ena)
> +{
> + 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 = ena;
> + dw9.one_pps_out_amp = ena * 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
...
