1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Rockchip General Register Files definitions 4 * 5 * Copyright (c) 2018, Collabora Ltd. 6 * Author: Enric Balletbo i Serra <enric.balletbo@collabora.com> 7 */ 8 9 #ifndef __SOC_RK3399_GRF_H 10 #define __SOC_RK3399_GRF_H 11 12 /* PMU GRF Registers */ 13 #define RK3399_PMUGRF_OS_REG2 0x308 14 #define RK3399_PMUGRF_DDRTYPE_SHIFT 13 15 #define RK3399_PMUGRF_DDRTYPE_MASK 7 16 #define RK3399_PMUGRF_DDRTYPE_DDR3 3 17 #define RK3399_PMUGRF_DDRTYPE_LPDDR2 5 18 #define RK3399_PMUGRF_DDRTYPE_LPDDR3 6 19 #define RK3399_PMUGRF_DDRTYPE_LPDDR4 7 20 21 #endif 22