include/linux/pruss_driver.h

   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
  39  * @cfg_base: base iomap for CFG region
  40  * @cfg_regmap: regmap for config region
  41  * @mem_regions: data for each of the PRUSS memory regions
  42  * @core_clk_mux: clk handle for PRUSS CORE_CLK_MUX
  43  * @iep_clk_mux: clk handle for PRUSS IEP_CLK_MUX
  44  */
  45 struct pruss {
  46         struct device *dev;
  47         void __iomem *cfg_base;
  48         struct regmap *cfg_regmap;
  49         struct pruss_mem_region mem_regions[PRUSS_MEM_MAX];
  50         struct clk *core_clk_mux;
  51         struct clk *iep_clk_mux;
  52 };
  53
  54 #endif  /* _PRUSS_DRIVER_H_ */