1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * (C) Copyright 2018 Rockchip Electronics Co., Ltd 4 */ 5 6 #ifndef __ROCKCHIP_DMC_H_ 7 #define __ROCKCHIP_DMC_H_ 8 #include <dm.h> 9 10 #ifndef MHZ 11 #define MHZ (1000 * 1000) 12 #endif 13 14 int rockchip_ddrclk_sip_set_rate_v2(unsigned long drate); 15 unsigned long rockchip_ddrclk_sip_recalc_rate_v2(void); 16 unsigned long rockchip_ddrclk_sip_round_rate_v2(unsigned long rate); 17 int rockchip_dmcfreq_probe(struct udevice *dev); 18 int set_ddr_freq(unsigned long freq); 19 20 #endif 21