modules: hal_silabs: Apply PA configuration from device tree

Propagate device tree configuration for the power amplifier to
the HAL configuration header.

Signed-off-by: Aksel Skauge Mellbye <[email protected]>

Author: asmellby

modules/hal_silabs/Kconfig

@@ -22,3 +22,5 @@ config HAS_SILABS_SISDK
 config HAS_SILABS_SI32
 	bool
 	select HAS_CMSIS_CORE
+
+rsource "*/Kconfig"

modules/hal_silabs/simplicity_sdk/CMakeLists.txt

@@ -39,10 +39,13 @@ endfunction()
 
 if(CONFIG_SOC_GECKO_HAS_RADIO)
   zephyr_include_directories_ifdef(CONFIG_SOC_FAMILY_SILABS_S2
-    ${RADIO_DIR}/rail_lib/plugin/pa-conversions/efr32xg${SILABS_DEVICE_FAMILY_NUMBER}/config
     ${RADIO_DIR}/rail_lib/chip/efr32/efr32xg2x
   )
 
+  zephyr_compile_definitions(
+    SL_RAIL_UTIL_PA_CONFIG_HEADER="sl_rail_util_pa_config.h"
+  )
+
   zephyr_include_directories(
     ${RADIO_DIR}/rail_lib/common
     ${RADIO_DIR}/rail_lib/plugin/pa-conversions

modules/hal_silabs/simplicity_sdk/Kconfig

@@ -0,0 +1,31 @@
+# Copyright (c) 2025 Silicon Laboratories Inc.
+# SPDX-License-Identifier: Apache-2.0
+
+menu "SiSDK configuration"
+	depends on HAS_SILABS_SISDK
+
+config RAIL_PA_CURVE_HEADER
+	string "RAIL PA custom curve header file"
+	default "pa_curves_efr32.h"
+	help
+	  Name of custom PA curve header file for use by PA initialization.
+	  See AN1127 for information on how to create a custom PA curve.
+	  The header file must be available on the include path.
+
+config RAIL_PA_CURVE_TYPES_HEADER
+	string "RAIL PA curve types header file"
+	default "pa_curve_types_efr32.h"
+	help
+	  Name of custom PA curve type header file for use by PA initialization.
+	  See AN1127 for information on how to create a custom PA curve.
+	  The header file must be available on the include path.
+
+config RAIL_PA_ENABLE_CALIBRATION
+	bool "RAIL PA: apply factory calibration offset"
+	default y
+	help
+	  Ensure that the PA power remains constant chip-to-chip by applying factory
+	  calibration. This option is enabled by default, and is recommended for all
+	  Series 2 devices.
+
+endmenu

modules/hal_silabs/simplicity_sdk/config/sl_rail_util_pa_config.h

@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2025 Silicon Laboratories Inc.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * This configuration header is used by the HAL driver rail_util_pa from hal_silabs,
+ * invoked through the init function of the hci_silabs_efr32 Bluetooth driver.
+ * DeviceTree and Kconfig options are converted to config macros expected by the HAL driver.
+ */
+
+#ifndef SL_RAIL_UTIL_PA_CONFIG_H
+#define SL_RAIL_UTIL_PA_CONFIG_H
+
+#include <zephyr/devicetree.h>
+#include "rail_types.h"
+
+#define SL_RAIL_UTIL_PA_POWER_DECI_DBM (DT_PROP(DT_NODELABEL(radio), pa_initial_power_dbm) * 10)
+#define SL_RAIL_UTIL_PA_RAMP_TIME_US   DT_PROP(DT_NODELABEL(radio), pa_ramp_time_us)
+#define SL_RAIL_UTIL_PA_VOLTAGE_MV     DT_PROP(DT_NODELABEL(radio), pa_voltage_mv)
+
+#if DT_NODE_HAS_PROP(DT_NODELABEL(radio), pa_2p4ghz)
+#define SL_RAIL_UTIL_PA_SELECTION_2P4GHZ                                                           \
+	CONCAT(RAIL_TX_POWER_MODE_2P4GIG_, DT_STRING_UPPER_TOKEN(DT_NODELABEL(radio), pa_2p4ghz))
+#else
+#define SL_RAIL_UTIL_PA_SELECTION_2P4GHZ RAIL_TX_POWER_MODE_NONE
+#endif
+
+#if DT_NODE_HAS_PROP(DT_NODELABEL(radio), pa_subghz)
+#define SL_RAIL_UTIL_PA_SELECTION_SUBGHZ                                                           \
+	CONCAT(RAIL_TX_POWER_MODE_SUBGIG_, DT_STRING_UPPER_TOKEN(DT_NODELABEL(radio), pa_subghz))
+#else
+#define SL_RAIL_UTIL_PA_SELECTION_SUBGHZ RAIL_TX_POWER_MODE_NONE
+#endif
+
+#define SL_RAIL_UTIL_PA_CURVE_HEADER       CONFIG_RAIL_PA_CURVE_HEADER
+#define SL_RAIL_UTIL_PA_CURVE_TYPES        CONFIG_RAIL_PA_CURVE_TYPES_HEADER
+#define SL_RAIL_UTIL_PA_CALIBRATION_ENABLE CONFIG_RAIL_PA_ENABLE_CALIBRATION
+
+#endif /* SL_RAIL_UTIL_PA_CONFIG_H */

west.yml

@@ -228,7 +228,7 @@ manifest:
       groups:
         - hal
     - name: hal_silabs
-      revision: 5719804e682e9e4ba1d1f60c824af92a58ce1c2b
+      revision: df3414d50b321e11b5fb92f76c994aa07141239f
       path: modules/hal/silabs
       groups:
         - hal