projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| dc112956 SA |
1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2 | /* | |
| 3 | * PRU-ICSS sub-system specific definitions | |
| 4 | * | |
| 5 | * Copyright (C) 2014-2020 Texas Instruments Incorporated - http://www.ti.com/ | |
| 6 | * Suman Anna <s-anna@ti.com> | |
| 7 | */ | |
| 8 | ||
| 9 | #ifndef _PRUSS_DRIVER_H_ | |
| 10 | #define _PRUSS_DRIVER_H_ | |
| 11 | ||
| 12 | #include <linux/types.h> | |
| 13 | ||
| 14 | /* | |
| 15 | * enum pruss_mem - PRUSS memory range identifiers | |
| 16 | */ | |
| 17 | enum pruss_mem { | |
| 18 | PRUSS_MEM_DRAM0 = 0, | |
| 19 | PRUSS_MEM_DRAM1, | |
| 20 | PRUSS_MEM_SHRD_RAM2, | |
| 21 | PRUSS_MEM_MAX, | |
| 22 | }; | |
| 23 | ||
| 24 | /** | |
| 25 | * struct pruss_mem_region - PRUSS memory region structure | |
| 26 | * @va: kernel virtual address of the PRUSS memory region | |
| 27 | * @pa: physical (bus) address of the PRUSS memory region | |
| 28 | * @size: size of the PRUSS memory region | |
| 29 | */ | |
| 30 | struct pruss_mem_region { | |
| 31 | void __iomem *va; | |
| 32 | phys_addr_t pa; | |
| 33 | size_t size; | |
| 34 | }; | |
| 35 | ||
| 36 | /** | |
| 37 | * struct pruss - PRUSS parent structure | |
| 38 | * @dev: pruss device pointer | |
| ba59c9b4 | 39 | * @cfg_base: base iomap for CFG region |
| dc112956 SA |
40 | * @cfg_regmap: regmap for config region |
| 41 | * @mem_regions: data for each of the PRUSS memory regions | |
| ba59c9b4 GJ |
42 | * @core_clk_mux: clk handle for PRUSS CORE_CLK_MUX |
| 43 | * @iep_clk_mux: clk handle for PRUSS IEP_CLK_MUX | |
| dc112956 SA |
44 | */ |
| 45 | struct pruss { | |
| 46 | struct device *dev; | |
| ba59c9b4 | 47 | void __iomem *cfg_base; |
| dc112956 SA |
48 | struct regmap *cfg_regmap; |
| 49 | struct pruss_mem_region mem_regions[PRUSS_MEM_MAX]; | |
| ba59c9b4 GJ |
50 | struct clk *core_clk_mux; |
| 51 | struct clk *iep_clk_mux; | |
| dc112956 SA |
52 | }; |
| 53 | ||
| 54 | #endif /* _PRUSS_DRIVER_H_ */ |