[nrf fromtree] drivers: spi: nrfx spim: impl device deinit

Implement device deinit for nRF SPIM device driver.

Signed-off-by: Bjarki Arge Andreasen <[email protected]>
(cherry picked from commit 2609cfb)

Author: bjarki-andreasen

drivers/spi/spi_nrfx_spim.c

@@ -765,6 +765,28 @@ static int spi_nrfx_init(const struct device *dev)
 #endif
 	return pm_device_driver_init(dev, spim_nrfx_pm_action);
 }
+
+static int spi_nrfx_deinit(const struct device *dev)
+{
+#if defined(CONFIG_PM_DEVICE)
+	enum pm_device_state state;
+
+	/*
+	 * PM must have suspended the device before driver can
+	 * be deinitialized
+	 */
+	(void)pm_device_state_get(dev, &state);
+	return state == PM_DEVICE_STATE_SUSPENDED ||
+	       state == PM_DEVICE_STATE_OFF ?
+	       0 : -EBUSY;
+#else
+	/* PM suspend implementation does everything we need */
+	spim_suspend(dev);
+#endif
+
+	return 0;
+}
+
 /*
  * We use NODELABEL here because the nrfx API requires us to call
  * functions which are named according to SoC peripheral instance
@@ -870,8 +892,9 @@ static int spi_nrfx_init(const struct device *dev)
 		     !(DT_GPIO_FLAGS(SPIM(idx), wake_gpios) & GPIO_ACTIVE_LOW),\
 		     "WAKE line must be configured as active high");	       \
 	PM_DEVICE_DT_DEFINE(SPIM(idx), spim_nrfx_pm_action);		       \
-	SPI_DEVICE_DT_DEFINE(SPIM(idx),					       \
+	SPI_DEVICE_DT_DEINIT_DEFINE(SPIM(idx),				       \
 		      spi_nrfx_init,					       \
+		      spi_nrfx_deinit,					       \
 		      PM_DEVICE_DT_GET(SPIM(idx)),			       \
 		      &spi_##idx##_data,				       \
 		      &spi_##idx##z_config,				       \