55 lines
1.3 KiB
C
55 lines
1.3 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* PRU-ICSS sub-system specific definitions
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*
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* Copyright (C) 2014-2020 Texas Instruments Incorporated - http://www.ti.com/
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* Suman Anna <s-anna@ti.com>
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*/
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#ifndef _PRUSS_DRIVER_H_
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#define _PRUSS_DRIVER_H_
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#include <linux/types.h>
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/*
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* enum pruss_mem - PRUSS memory range identifiers
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*/
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enum pruss_mem {
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PRUSS_MEM_DRAM0 = 0,
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PRUSS_MEM_DRAM1,
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PRUSS_MEM_SHRD_RAM2,
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PRUSS_MEM_MAX,
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};
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/**
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* struct pruss_mem_region - PRUSS memory region structure
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* @va: kernel virtual address of the PRUSS memory region
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* @pa: physical (bus) address of the PRUSS memory region
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* @size: size of the PRUSS memory region
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*/
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struct pruss_mem_region {
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void __iomem *va;
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phys_addr_t pa;
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size_t size;
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};
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/**
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* struct pruss - PRUSS parent structure
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* @dev: pruss device pointer
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* @cfg_base: base iomap for CFG region
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* @cfg_regmap: regmap for config region
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* @mem_regions: data for each of the PRUSS memory regions
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* @core_clk_mux: clk handle for PRUSS CORE_CLK_MUX
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* @iep_clk_mux: clk handle for PRUSS IEP_CLK_MUX
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*/
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struct pruss {
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struct device *dev;
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void __iomem *cfg_base;
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struct regmap *cfg_regmap;
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struct pruss_mem_region mem_regions[PRUSS_MEM_MAX];
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struct clk *core_clk_mux;
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struct clk *iep_clk_mux;
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};
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#endif /* _PRUSS_DRIVER_H_ */
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