1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Copyright (C) ST-Ericsson SA 2011 4 * Author: Lee Jones <lee.jones@linaro.org> for ST-Ericsson. 5 */ 6 #ifndef __SOC_BUS_H 7 #define __SOC_BUS_H 8 9 #include <linux/device.h> 10 11 struct soc_device_attribute { 12 const char *machine; 13 const char *family; 14 const char *revision; 15 const char *serial_number; 16 const char *soc_id; 17 const void *data; 18 const struct attribute_group *custom_attr_group; 19 }; 20 21 /** 22 * soc_device_register - register SoC as a device 23 * @soc_plat_dev_attr: Attributes passed from platform to be attributed to a SoC 24 */ 25 struct soc_device *soc_device_register( 26 struct soc_device_attribute *soc_plat_dev_attr); 27 28 /** 29 * soc_device_unregister - unregister SoC device 30 * @dev: SoC device to be unregistered 31 */ 32 void soc_device_unregister(struct soc_device *soc_dev); 33 34 /** 35 * soc_device_to_device - helper function to fetch struct device 36 * @soc: Previously registered SoC device container 37 */ 38 struct device *soc_device_to_device(struct soc_device *soc); 39 40 /** 41 * soc_attr_read_machine - retrieve the machine model and store it in 42 * the soc_device_attribute structure 43 * @soc_dev_attr: SoC attribute structure to store the model in 44 * 45 * Returns: 46 * 0 on success, negative error number on failure. 47 */ 48 int soc_attr_read_machine(struct soc_device_attribute *soc_dev_attr); 49 50 #ifdef CONFIG_SOC_BUS 51 const struct soc_device_attribute *soc_device_match( 52 const struct soc_device_attribute *matches); 53 #else 54 static inline const struct soc_device_attribute *soc_device_match( 55 const struct soc_device_attribute *matches) { return NULL; } 56 #endif 57 58 #endif /* __SOC_BUS_H */ 59