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2026-09-06 12:53:21 -06:00

43 lines
1.3 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (c) 2025, Intel Corporation. */
#ifndef _ICE_TSPLL_H_
#define _ICE_TSPLL_H_
/**
* struct ice_tspll_params_e82x - E82X TSPLL parameters
* @refclk_pre_div: Reference clock pre-divisor
* @post_pll_div: Post PLL divisor
* @feedback_div: Feedback divisor
* @frac_n_div: Fractional divisor
*
* Clock Generation Unit parameters used to program the PLL based on the
* selected TIME_REF/TCXO frequency.
*/
struct ice_tspll_params_e82x {
u8 refclk_pre_div;
u8 post_pll_div;
u8 feedback_div;
u32 frac_n_div;
};
#define ICE_CGU_NET_REF_CLK0 0x0
#define ICE_CGU_REF_CLK_BYP0 0x5
#define ICE_CGU_REF_CLK_BYP0_DIV 0x0
#define ICE_CGU_REF_CLK_BYP1 0x4
#define ICE_CGU_REF_CLK_BYP1_DIV 0x1
#define ICE_TSPLL_CK_REFCLKFREQ_E825 0x1F
#define ICE_TSPLL_NDIVRATIO_E825 5
#define ICE_TSPLL_FBDIV_INTGR_E825 256
int ice_tspll_cfg_pps_out_e825c(struct ice_hw *hw, bool enable);
int ice_tspll_init(struct ice_hw *hw);
int ice_tspll_bypass_mux_active_e825c(struct ice_hw *hw, u8 port, bool *active,
enum ice_synce_clk output);
int ice_tspll_cfg_bypass_mux_e825c(struct ice_hw *hw, bool ena, u32 port_num,
enum ice_synce_clk output);
int ice_tspll_cfg_synce_ethdiv_e825c(struct ice_hw *hw,
enum ice_synce_clk output);
#endif /* _ICE_TSPLL_H_ */