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drivers: gpio: silabs: add lookup table documentation #92772

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drivers: gpio: silabs: add lookup table documentation #92772

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7 changes: 7 additions & 0 deletions drivers/gpio/gpio_silabs_siwx91x.c
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,13 @@
CONFIG_GPIO_INIT_PRIORITY.
#endif

/* Lookup table: Port-Pin (dts) -> SoC Pin (HP Pin from reference manual) */
/* */
/* Port: A A A A B B B B B B B C C C C C D D D D D D D D D D */
/* Pin : 10 11 12 15 09 10 11 12 13 14 15 00 01 02 14 15 00 01 02 03 04 05 06 07 08 09 */
/* */
/* HP : 10 11 12 15 25 26 27 28 29 30 31 32 33 34 46 47 48 49 50 51 52 53 54 55 56 57 */

#define MAX_PORT_COUNT 4
#define MAX_PIN_COUNT 16
#define INVALID_PORT 0xFF
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6 changes: 6 additions & 0 deletions drivers/gpio/gpio_silabs_siwx91x_uulp.c
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,12 @@
#include <zephyr/drivers/gpio.h>
#include <zephyr/drivers/gpio/gpio_utils.h>

/* Lookup table: Pin (dts) -> SoC Pin (ULP Pin from reference manual) */
/* */
/* Pin : 0 1 2 3 4 */
/* */
/* ULP : 0 1 2 3 4 */

#define UULP_GPIO_COUNT 5
#define UULP_REG_INTERRUPT_CONFIG 0x10

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