/* SPDX-License-Identifier: GPL-2.0-only */ /* * PRU-ICSS Subsystem user interfaces * * Copyright (C) 2015-2023 Texas Instruments Incorporated - http://www.ti.com * MD Danish Anwar <[email protected]> */ #ifndef _SOC_TI_PRUSS_H_ #define _SOC_TI_PRUSS_H_ #include <linux/bits.h> #include <linux/regmap.h> /* * PRU_ICSS_CFG registers * SYSCFG, ISRP, ISP, IESP, IECP, SCRP applicable on AMxxxx devices only */ #define PRUSS_CFG_REVID … #define PRUSS_CFG_SYSCFG … #define PRUSS_CFG_GPCFG(x) … #define PRUSS_CFG_CGR … #define PRUSS_CFG_ISRP … #define PRUSS_CFG_ISP … #define PRUSS_CFG_IESP … #define PRUSS_CFG_IECP … #define PRUSS_CFG_SCRP … #define PRUSS_CFG_PMAO … #define PRUSS_CFG_MII_RT … #define PRUSS_CFG_IEPCLK … #define PRUSS_CFG_SPP … #define PRUSS_CFG_PIN_MX … /* PRUSS_GPCFG register bits */ #define PRUSS_GPCFG_PRU_GPI_MODE_MASK … #define PRUSS_GPCFG_PRU_GPI_MODE_SHIFT … #define PRUSS_GPCFG_PRU_MUX_SEL_SHIFT … #define PRUSS_GPCFG_PRU_MUX_SEL_MASK … /* PRUSS_MII_RT register bits */ #define PRUSS_MII_RT_EVENT_EN … /* PRUSS_SPP register bits */ #define PRUSS_SPP_XFER_SHIFT_EN … #define PRUSS_SPP_PRU1_PAD_HP_EN … #define PRUSS_SPP_RTU_XFR_SHIFT_EN … /** * pruss_cfg_read() - read a PRUSS CFG sub-module register * @pruss: the pruss instance handle * @reg: register offset within the CFG sub-module * @val: pointer to return the value in * * Reads a given register within the PRUSS CFG sub-module and * returns it through the passed-in @val pointer * * Return: 0 on success, or an error code otherwise */ static int pruss_cfg_read(struct pruss *pruss, unsigned int reg, unsigned int *val) { … } /** * pruss_cfg_update() - configure a PRUSS CFG sub-module register * @pruss: the pruss instance handle * @reg: register offset within the CFG sub-module * @mask: bit mask to use for programming the @val * @val: value to write * * Programs a given register within the PRUSS CFG sub-module * * Return: 0 on success, or an error code otherwise */ static int pruss_cfg_update(struct pruss *pruss, unsigned int reg, unsigned int mask, unsigned int val) { … } #endif /* _SOC_TI_PRUSS_H_ */
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