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drivers: serial: nrfx_uarte: Fix pin retention

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b6d45423c6 Added support for pin retention but it was added
only to the case when device PM is used. There is another mode
in which UARTE is disabled when idle (low power mode) and in
that case pin retention must also be added.

Signed-off-by: Krzysztof Chruściński <krzysztof.chruscinski@nordicsemi.no>
This commit is contained in:
Krzysztof Chruściński 2024-11-12 12:37:18 +01:00 • committed by Henrik Brix Andersen
commit 760bba6d24
1 changed files with 8 additions and 3 deletions
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11
drivers/serial/uart_nrfx_uarte.c
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@ -590,6 +590,9 @@ static void uarte_periph_enable(const struct device *dev)
(void)data;
nrf_uarte_enable(uarte);
#ifdef CONFIG_SOC_NRF54H20_GPD
nrf_gpd_retain_pins_set(config->pcfg, false);
#endif
#if UARTE_BAUDRATE_RETENTION_WORKAROUND
nrf_uarte_baudrate_set(uarte,
COND_CODE_1(CONFIG_UART_USE_RUNTIME_CONFIGURE,
@ -702,6 +705,11 @@ static void uarte_disable_locked(const struct device *dev, uint32_t dis_mask)
}
#endif
#ifdef CONFIG_SOC_NRF54H20_GPD
const struct uarte_nrfx_config *cfg = dev->config;
nrf_gpd_retain_pins_set(cfg->pcfg, true);
#endif
nrf_uarte_disable(get_uarte_instance(dev));
}
@ -2103,9 +2111,6 @@ static void uarte_pm_resume(const struct device *dev)
if (IS_ENABLED(CONFIG_PM_DEVICE_RUNTIME) || !LOW_POWER_ENABLED(cfg)) {
uarte_periph_enable(dev);
#ifdef CONFIG_SOC_NRF54H20_GPD
nrf_gpd_retain_pins_set(cfg->pcfg, false);
#endif
}
}