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drivers: adc: siwx91x: Analog pin initialization

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Modified pinctrl driver to configure analog pins for
ULP and HP modes.

Signed-off-by: Sai Santhosh Malae <Santhosh.Malae@silabs.com>
This commit is contained in:
Sai Santhosh Malae 2025-05-19 20:52:51 +05:30 • committed by Benjamin Cabé
commit 9c436baf85
2 changed files with 19 additions and 2 deletions
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14
drivers/pinctrl/pinctrl_silabs_siwx91x.c
View file

@ -11,6 +11,8 @@
#define MODE_COUNT 16
#define HP_PERIPHERAL_ON_ULP_PIN 6
#define HP_ANALOG_MODE 14
#define ULP_ANALOG_MODE 7
static bool pinctrl_siwx91x_valid_mode(uint8_t mode)
{
@ -27,9 +29,17 @@ static void pinctrl_siwx91x_set(uint8_t port, uint8_t pin, uint8_t ulppin, uint8
}
if (port == SL_GPIO_ULP_PORT) {
sl_si91x_gpio_enable_ulp_pad_receiver(ulppin);
if (ulpmode != ULP_ANALOG_MODE) {
sl_si91x_gpio_enable_ulp_pad_receiver(ulppin);
} else {
sl_si91x_gpio_disable_ulp_pad_receiver(ulppin);
}
} else {
sl_si91x_gpio_enable_pad_receiver((port << 4) | pin);
if (mode != HP_ANALOG_MODE) {
sl_si91x_gpio_enable_pad_receiver((port << 4) | pin);
} else {
sl_si91x_gpio_disable_pad_receiver((port << 4) | pin);
}
}
if (pinctrl_siwx91x_valid_mode(mode)) {

7
include/zephyr/dt-bindings/pinctrl/silabs/siwx91x-pinctrl.h
View file

@ -22,6 +22,13 @@
#define AGPIO_ULP10 SIWX91X_GPIO(0xFF, 7, 0xFF, 4, 0, 10)
#define AGPIO_ULP11 SIWX91X_GPIO(0xFF, 7, 0xFF, 4, 0, 11)
#define ADC_TOPGPIO_HP25 SIWX91X_GPIO(14, 0xFF, 0, 1, 9, 0)
#define ADC_TOPGPIO_HP26 SIWX91X_GPIO(14, 0xFF, 0, 1, 10, 0)
#define ADC_TOPGPIO_HP27 SIWX91X_GPIO(14, 0xFF, 0, 1, 11, 0)
#define ADC_TOPGPIO_HP28 SIWX91X_GPIO(14, 0xFF, 0, 1, 12, 0)
#define ADC_TOPGPIO_HP29 SIWX91X_GPIO(14, 0xFF, 0, 1, 13, 0)
#define ADC_TOPGPIO_HP30 SIWX91X_GPIO(14, 0xFF, 0, 1, 14, 0)
#define AUXULP_TRIG0_HP11 SIWX91X_GPIO(9, 5, 6, 0, 11, 5)
#define AUXULP_TRIG0_HP30 SIWX91X_GPIO(11, 5, 0, 1, 14, 11)
#define AUXULP_TRIG0_HP49 SIWX91X_GPIO(9, 5, 13, 3, 1, 11)