drivers: spi: nrfx_spim: impl spi_context_cs_get_all/put_all

Implement calling spi_context_cs_get_all() and
spi_context_cs_put_all() in line with pm resume/suspend.

Signed-off-by: Bjarki Arge Andreasen <bjarki.andreasen@nordicsemi.no>

Author: bjarki-andreasen

drivers/spi/spi_nrfx_spim.c

@@ -662,12 +662,17 @@ static DEVICE_API(spi, spi_nrfx_driver_api) = {
 static int spim_resume(const struct device *dev)
 {
 	const struct spi_nrfx_config *dev_config = dev->config;
+	struct spi_nrfx_data *dev_data = dev->data;
 
 	(void)pinctrl_apply_state(dev_config->pcfg, PINCTRL_STATE_DEFAULT);
 	/* nrfx_spim_init() will be called at configuration before
 	 * the next transfer.
 	 */
 
+	if (spi_context_cs_get_all(&dev_data->ctx)) {
+		return -EAGAIN;
+	}
+
 #ifdef CONFIG_SOC_NRF54H20_GPD
 	nrf_gpd_retain_pins_set(dev_config->pcfg, false);
 #endif
@@ -689,6 +694,8 @@ static void spim_suspend(const struct device *dev)
 		release_clock(dev);
 	}
 
+	spi_context_cs_put_all(&dev_data->ctx);
+
 #ifdef CONFIG_SOC_NRF54H20_GPD
 	nrf_gpd_retain_pins_set(dev_config->pcfg, true);
 #endif