Bluetooth: controller: GPIO PA/LNA support for nRF53x

Ported the GPIO PA/LNA support for nRF53x by using a DPPI
channel.

Fixes #24142.

Signed-off-by: Vinayak Kariappa Chettimada <[email protected]>

Author: cvinayak

subsys/bluetooth/controller/ll_sw/nordic/hal/nrf5/radio/radio_nrf5_ppi.h

@@ -611,6 +611,7 @@ static inline void hal_radio_sw_switch_ppi_group_setup(void)
 #include <nrfx/hal/nrf_rtc.h>
 #include <nrfx/hal/nrf_ccm.h>
 #include <nrfx/hal/nrf_aar.h>
+#include <nrfx/hal/nrf_gpiote.h>
 
 static inline void hal_radio_nrf_ppi_channels_enable(uint32_t mask)
 {
@@ -777,6 +778,27 @@ static inline void hal_trigger_rateoverride_ppi_config(void)
 			      HAL_TRIGGER_RATEOVERRIDE_PPI);
 }
 
+/******************************************************************************/
+#if defined(CONFIG_BT_CTLR_GPIO_PA_PIN) || defined(CONFIG_BT_CTLR_GPIO_LNA_PIN)
+
+#define HAL_ENABLE_PALNA_PPI 5
+#define HAL_DISABLE_PALNA_PPI HAL_ENABLE_PALNA_PPI
+
+static inline void hal_palna_ppi_setup(void)
+{
+	nrf_gpiote_task_t task;
+
+	nrf_timer_publish_set(EVENT_TIMER, NRF_TIMER_EVENT_COMPARE2,
+			      HAL_ENABLE_PALNA_PPI);
+	nrf_radio_publish_set(NRF_RADIO, NRF_RADIO_EVENT_DISABLED,
+			      HAL_DISABLE_PALNA_PPI);
+
+	task = nrf_gpiote_out_task_get(CONFIG_BT_CTLR_PA_LNA_GPIOTE_CHAN);
+	nrf_gpiote_subscribe_set(NRF_GPIOTE, task, HAL_DISABLE_PALNA_PPI);
+}
+
+#endif /* CONFIG_BT_CTLR_GPIO_PA_PIN || CONFIG_BT_CTLR_GPIO_LNA_PIN */
+
 /******************************************************************************/
 #if !defined(CONFIG_BT_CTLR_TIFS_HW)
 /* DPPI setup used for SW-based auto-switching during TIFS. */