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board: phytec: common: phytec_som_detection: Add helper for PCB revision

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Add helper function to read out the PCB revision of a PHYTEC SoM.

Signed-off-by: Teresa Remmet <t.remmet@phytec.de>
Reviewed-by: Yannic Moog <y.moog@phytec.de>
Tested-by: Yannic Moog <y.moog@phytec.de>
This commit is contained in:
Teresa Remmet
2023-10-16 11:27:58 +02:00
committed by Stefano Babic
parent 297be9cde3
commit 44c82e7c90
2 changed files with 20 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
board/phytec/common/phytec_som_detection.c
+15
View File
@@ -186,3 +186,18 @@ char * __maybe_unused phytec_get_opt(struct phytec_eeprom_data *data)
return opt;
}
u8 __maybe_unused phytec_get_rev(struct phytec_eeprom_data *data)
{
struct phytec_api2_data *api2;
if (!data)
data = &eeprom_data;
if (data->api_rev < PHYTEC_API_REV2)
return PHYTEC_EEPROM_INVAL;
api2 = &data->data.data_api2;
return api2->pcb_rev;
}
board/phytec/common/phytec_som_detection.h
+5
View File
@@ -68,6 +68,7 @@ int phytec_eeprom_data_init(struct phytec_eeprom_data *data,
void __maybe_unused phytec_print_som_info(struct phytec_eeprom_data *data);
char * __maybe_unused phytec_get_opt(struct phytec_eeprom_data *data);
u8 __maybe_unused phytec_get_rev(struct phytec_eeprom_data *data);
#else
@@ -99,6 +100,10 @@ inline char *__maybe_unused phytec_get_opt(struct phytec_eeprom_data *data)
return NULL;
}
u8 __maybe_unused phytec_get_rev(struct phytec_eeprom_data *data)
{
return PHYTEC_EEPROM_INVAL;
}
#endif /* IS_ENABLED(CONFIG_PHYTEC_SOM_DETECTION) */
#endif /* _PHYTEC_SOM_DETECTION_H */