diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..e43b0f9
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+.DS_Store
diff --git a/drivers/llcc68/llcc68_raw.c b/drivers/llcc68/llcc68_raw.c
index cbf2e69..6398dd1 100644
--- a/drivers/llcc68/llcc68_raw.c
+++ b/drivers/llcc68/llcc68_raw.c
@@ -2,13 +2,14 @@
 
 #include <errno.h>
 #include <zephyr/devicetree.h>
+#include <zephyr/sys_clock.h>
 #include <zephyr/sys/util.h>
 
 #define DT_DRV_COMPAT semtech_llcc68_weihua
 
-#define LLCC68_AUTO_RF_SWITCH_MODE(inst)                                                         \
-	COND_CODE_1(DT_INST_NODE_HAS_PROP(inst, tx_enable_gpios),                                    \
-				(COND_CODE_1(DT_INST_NODE_HAS_PROP(inst, rx_enable_gpios),                      \
+#define LLCC68_AUTO_RF_SWITCH_MODE(inst)                                                       \
+	COND_CODE_1(DT_INST_NODE_HAS_PROP(inst, tx_enable_gpios),                                  \
+				(COND_CODE_1(DT_INST_NODE_HAS_PROP(inst, rx_enable_gpios),                     \
 							 (LLCC68_RF_SWITCH_GPIO_COMPLEMENTARY), (LLCC68_RF_SWITCH_NONE))), \
 				(LLCC68_RF_SWITCH_NONE))
 
@@ -22,9 +23,12 @@
 #define LLCC68_DEFAULT_RF_SWITCH_MODE(inst) LLCC68_AUTO_RF_SWITCH_MODE(inst)
 #endif
 
-#define LLCC68_RF_SWITCH_MODE(inst)                                                              \
+#define LLCC68_RF_SWITCH_MODE(inst) \
 	DT_ENUM_IDX_OR(DT_DRV_INST(inst), rf_switch_mode, LLCC68_DEFAULT_RF_SWITCH_MODE(inst))
 
+#define LLCC68_SPI_CS_DELAY_US(inst) \
+	DIV_ROUND_UP(DT_INST_PROP(inst, spi_cs_setup_delay_ns), NSEC_PER_USEC)
+
 static void dio1_irq_trampoline(const struct device *port, struct gpio_callback *cb, uint32_t pins) {
 	ARG_UNUSED(port);
 
@@ -69,34 +73,35 @@ int llcc68_init(const struct device *dev) {
 	return 0;
 }
 
-#define LLCC68_DEFINE(inst)                                                                        \
-	BUILD_ASSERT(LLCC68_RF_SWITCH_MODE(inst) != LLCC68_RF_SWITCH_GPIO_COMPLEMENTARY ||            \
-					 (DT_INST_NODE_HAS_PROP(inst, tx_enable_gpios) &&                              \
-					  DT_INST_NODE_HAS_PROP(inst, rx_enable_gpios)),                                \
-				 "LLCC68 gpio-complementary RF switch mode requires tx-enable-gpios "              \
-				 "and rx-enable-gpios");                                                          \
-	BUILD_ASSERT(LLCC68_RF_SWITCH_MODE(inst) != LLCC68_RF_SWITCH_DIO2_SINGLE ||                    \
-					 !DT_INST_NODE_HAS_PROP(inst, tx_enable_gpios),                                 \
-				 "LLCC68 dio2-single RF switch mode uses DIO2 for TXEN and must not "              \
-				 "define tx-enable-gpios");                                                       \
-	static struct llcc68_data llcc68_data_##inst;                                                  \
-	static const struct llcc68_config llcc68_config_##inst =                                       \
-		{                                                                                          \
-			.spi            = SPI_DT_SPEC_INST_GET(inst, SPI_WORD_SET(8) | SPI_TRANSFER_MSB),      \
-			.reset_gpio     = GPIO_DT_SPEC_INST_GET(inst, reset_gpios),                            \
-			.busy_gpio      = GPIO_DT_SPEC_INST_GET(inst, busy_gpios),                             \
-			.dio1_gpio      = GPIO_DT_SPEC_INST_GET(inst, dio1_gpios),                             \
-			.tx_enable_gpio = GPIO_DT_SPEC_INST_GET_OR(inst, tx_enable_gpios, {.port = NULL}),     \
-			.rx_enable_gpio = GPIO_DT_SPEC_INST_GET_OR(inst, rx_enable_gpios, {.port = NULL}),     \
-			.rf_switch_mode = LLCC68_RF_SWITCH_MODE(inst),                                         \
-	};                                                                                             \
-	DEVICE_DT_INST_DEFINE(inst,                                                                    \
-						  llcc68_init,                                                             \
-						  NULL,                                                                    \
-						  &llcc68_data_##inst,                                                     \
-						  &llcc68_config_##inst,                                                   \
-						  POST_KERNEL,                                                             \
-						  CONFIG_LLCC68_INIT_PRIORITY,                                             \
+#define LLCC68_DEFINE(inst)                                                                    \
+	BUILD_ASSERT(LLCC68_RF_SWITCH_MODE(inst) != LLCC68_RF_SWITCH_GPIO_COMPLEMENTARY ||         \
+					 (DT_INST_NODE_HAS_PROP(inst, tx_enable_gpios) &&                          \
+					  DT_INST_NODE_HAS_PROP(inst, rx_enable_gpios)),                           \
+				 "LLCC68 gpio-complementary RF switch mode requires tx-enable-gpios "          \
+				 "and rx-enable-gpios");                                                       \
+	BUILD_ASSERT(LLCC68_RF_SWITCH_MODE(inst) != LLCC68_RF_SWITCH_DIO2_SINGLE ||                \
+					 !DT_INST_NODE_HAS_PROP(inst, tx_enable_gpios),                            \
+				 "LLCC68 dio2-single RF switch mode uses DIO2 for TXEN and must not "          \
+				 "define tx-enable-gpios");                                                    \
+	static struct llcc68_data llcc68_data_##inst;                                              \
+	static const struct llcc68_config llcc68_config_##inst =                                   \
+		{                                                                                      \
+			.spi = SPI_DT_SPEC_INST_GET(                                                       \
+				inst, SPI_WORD_SET(8) | SPI_TRANSFER_MSB, LLCC68_SPI_CS_DELAY_US(inst)),       \
+			.reset_gpio     = GPIO_DT_SPEC_INST_GET(inst, reset_gpios),                        \
+			.busy_gpio      = GPIO_DT_SPEC_INST_GET(inst, busy_gpios),                         \
+			.dio1_gpio      = GPIO_DT_SPEC_INST_GET(inst, dio1_gpios),                         \
+			.tx_enable_gpio = GPIO_DT_SPEC_INST_GET_OR(inst, tx_enable_gpios, {.port = NULL}), \
+			.rx_enable_gpio = GPIO_DT_SPEC_INST_GET_OR(inst, rx_enable_gpios, {.port = NULL}), \
+			.rf_switch_mode = LLCC68_RF_SWITCH_MODE(inst),                                     \
+	};                                                                                         \
+	DEVICE_DT_INST_DEFINE(inst,                                                                \
+						  llcc68_init,                                                         \
+						  NULL,                                                                \
+						  &llcc68_data_##inst,                                                 \
+						  &llcc68_config_##inst,                                               \
+						  POST_KERNEL,                                                         \
+						  CONFIG_LLCC68_INIT_PRIORITY,                                         \
 						  NULL)
 
 BUILD_ASSERT(DT_HAS_COMPAT_STATUS_OKAY(DT_DRV_COMPAT),
diff --git a/dts/bindings/semtech,llcc68-weihua.yaml b/dts/bindings/semtech,llcc68-weihua.yaml
index 8b86a40..b660f5a 100644
--- a/dts/bindings/semtech,llcc68-weihua.yaml
+++ b/dts/bindings/semtech,llcc68-weihua.yaml
@@ -71,7 +71,9 @@ properties:
       which the driver holds active. This mode must not use tx-enable-gpios.
 
   spi-cs-setup-delay-ns:
+    type: int
     default: 100000
 
   spi-cs-hold-delay-ns:
+    type: int
     default: 100000