dts: silabs: Add radio binding for Series 2

asmellby · kartben · commit 90e55bae4327 · 2025-02-04T09:19:53.000+01:00
Add the radio on Series 2 devices to device tree and move the
BT HCI node inside it.

Signed-off-by: Aksel Skauge Mellbye &lt;aksel.mellbye@silabs.com&gt;
diff --git a/dts/arm/silabs/efr32bg22.dtsi b/dts/arm/silabs/efr32bg22.dtsi
@@ -92,3 +92,11 @@
 &dcdc {
 	interrupts = <61 0>;
 };
+
+&radio {
+	interrupts = <31 0>, <32 0>, <33 0>, <34 0>, <35 0>, <36 0>,
+		     <37 0>, <38 0>, <39 0>, <40 0>, <41 0>, <42 0>;
+	interrupt-names = "agc", "bufc", "frc_pri", "frc", "modem", "protimer",
+		     "rac_rsm", "rac_seq", "rdmailbox", "rfsense", "prortc",
+		     "synth";
+};
diff --git a/dts/arm/silabs/efr32bg27.dtsi b/dts/arm/silabs/efr32bg27.dtsi
@@ -114,3 +114,11 @@
 &dma0 {
 	interrupts = <26 0>;
 };
+
+&radio {
+	interrupts = <36 0>, <37 0>, <38 0>, <39 0>, <40 0>, <41 0>,
+		     <42 0>, <43 0>, <44 0>, <45 0>, <46 0>, <47 0>;
+	interrupt-names = "agc", "bufc", "frc_pri", "frc", "modem", "protimer",
+		     "rac_rsm", "rac_seq", "rdmailbox", "rfsense", "synth",
+		     "prortc";
+};
diff --git a/dts/arm/silabs/efr32bg2x.dtsi b/dts/arm/silabs/efr32bg2x.dtsi
@@ -370,11 +370,20 @@
 			reg = <0x50094000 0x4000>;
 			status = "disabled";
 		};
-	};
 
-	bt_hci_silabs: bt_hci_silabs {
-		compatible = "silabs,bt-hci-efr32";
-		status = "disabled";
+		radio: radio@b0000000 {
+			compatible = "silabs,series2-radio";
+			reg = <0xb0000000 0x1000000>;
+			pa-initial-power-dbm = <10>;
+			pa-ramp-time-us = <2>;
+			pa-voltage-mv = <3300>;
+			pa-2p4ghz = "highest";
+
+			bt_hci_silabs: bt_hci_silabs {
+				compatible = "silabs,bt-hci-efr32";
+				status = "disabled";
+			};
+		};
 	};
 };
 
diff --git a/dts/arm/silabs/efr32mg21.dtsi b/dts/arm/silabs/efr32mg21.dtsi
@@ -354,13 +354,26 @@
 			status = "disabled";
 		};
 
-		acmp0: acmp@0x5a008000 {
+		acmp0: acmp@5a008000 {
 			compatible = "silabs,acmp";
 			reg = <0x5a008000 0x4000>;
 			interrupts = <41 0>;
 			clocks = <&cmu CLOCK_AUTO CLOCK_BRANCH_EM01GRPACLK>;
 			status = "disabled";
 		};
+
+		radio: radio@b0000000 {
+			compatible = "silabs,series2-radio";
+			reg = <0xb0000000 0x1000000>;
+			interrupts = <31 0>, <32 0>, <33 0>, <34 0>, <35 0>, <36 0>,
+				     <37 0>, <38 0>, <39 0>, <40 0>;
+			interrupt-names = "agc", "bufc", "frc_pri", "frc", "modem", "protimer",
+					  "rac_rsm", "rac_seq", "prortc", "synth";
+			pa-initial-power-dbm = <10>;
+			pa-ramp-time-us = <10>;
+			pa-voltage-mv = <3300>;
+			pa-2p4ghz = "highest";
+		};
 	};
 };
 
diff --git a/dts/arm/silabs/efr32mg24.dtsi b/dts/arm/silabs/efr32mg24.dtsi
@@ -442,12 +442,25 @@
 			clocks = <&cmu CLOCK_ACMP0 CLOCK_BRANCH_EM01GRPACLK>;
 			status = "disabled";
 		};
-	};
-
 
-	bt_hci_silabs: bt_hci_silabs {
-		compatible = "silabs,bt-hci-efr32";
-		status = "disabled";
+		radio: radio@b0000000 {
+			compatible = "silabs,series2-radio";
+			reg = <0xb0000000 0x1000000>;
+			interrupts = <30 0>, <31 0>, <32 0>, <33 0>, <34 0>, <35 0>,
+				     <36 0>, <37 0>, <38 0>, <39 0>, <70 0>, <71 0>;
+			interrupt-names = "agc", "bufc", "frc_pri", "frc", "modem", "protimer",
+					  "rac_rsm", "rac_seq", "hostmailbox", "synth",
+					  "rfeca0", "rfeca1";
+			pa-initial-power-dbm = <10>;
+			pa-ramp-time-us = <10>;
+			pa-voltage-mv = <3300>;
+			pa-2p4ghz = "highest";
+
+			bt_hci_silabs: bt_hci_silabs {
+				compatible = "silabs,bt-hci-efr32";
+				status = "disabled";
+			};
+		};
 	};
 };
 
diff --git a/dts/arm/silabs/efr32xg23.dtsi b/dts/arm/silabs/efr32xg23.dtsi
@@ -472,6 +472,20 @@
 			clocks = <&cmu CLOCK_ACMP0 CLOCK_BRANCH_EM01GRPACLK>;
 			status = "disabled";
 		};
+
+		radio: radio@b0000000 {
+			compatible = "silabs,series2-radio";
+			reg = <0xb0000000 0x1000000>;
+			interrupts = <31 0>, <32 0>, <33 0>, <34 0>, <35 0>, <36 0>,
+				     <37 0>, <38 0>, <39 0>, <40 0>, <74 0>, <75 0>;
+			interrupt-names = "agc", "bufc", "frc_pri", "frc", "modem", "protimer",
+					  "rac_rsm", "rac_seq", "hostmailbox", "synth",
+					  "rfeca0", "rfeca1";
+			pa-initial-power-dbm = <10>;
+			pa-ramp-time-us = <10>;
+			pa-voltage-mv = <3300>;
+			pa-subghz = "highest";
+		};
 	};
 
 	hwinfo: hwinfo {
diff --git a/dts/arm/silabs/xg29/xg29.dtsi b/dts/arm/silabs/xg29/xg29.dtsi
@@ -452,11 +452,25 @@
 			interrupt-names = "SETAMPERHOST", "SEMBRX", "SEMBTX";
 			status = "disabled";
 		};
-	};
 
-	bt_hci_silabs: bt_hci_silabs {
-		compatible = "silabs,bt-hci-efr32";
-		status = "disabled";
+		radio: radio@b0000000 {
+			compatible = "silabs,series2-radio";
+			reg = <0xb0000000 0x1000000>;
+			interrupts = <36 0>, <37 0>, <38 0>, <39 0>, <40 0>, <41 0>,
+				     <42 0>, <43 0>, <44 0>, <45 0>, <46 0>, <47 0>;
+			interrupt-names = "agc", "bufc", "frc_pri", "frc", "modem", "protimer",
+					  "rac_rsm", "rac_seq", "rdmailbox", "rfsense", "synth",
+					  "prortc";
+			pa-initial-power-dbm = <10>;
+			pa-ramp-time-us = <2>;
+			pa-voltage-mv = <3300>;
+			pa-2p4ghz = "highest";
+
+			bt_hci_silabs: bt_hci_silabs {
+				compatible = "silabs,bt-hci-efr32";
+				status = "disabled";
+			};
+		};
 	};
 
 	hwinfo: hwinfo {
diff --git a/dts/bindings/net/wireless/silabs,series2-radio.yaml b/dts/bindings/net/wireless/silabs,series2-radio.yaml
@@ -0,0 +1,59 @@
+# Copyright (c) 2025 Silicon Laboratories Inc.
+# SPDX-License-Identifier: Apache-2.0
+
+description: |
+    Silicon Labs Series 2 radio interface.
+
+    This controls the radio transceiver on Silicon Labs Series 2
+    SoCs.
+
+compatible: "silabs,series2-radio"
+
+include: [base.yaml]
+
+properties:
+  reg:
+    required: true
+
+  interrupts:
+    required: true
+
+  pa-initial-power-dbm:
+    type: int
+    required: true
+    description: |
+      Initial Power Amplifier power in dBm.
+
+  pa-ramp-time-us:
+    type: int
+    required: true
+    description: |
+      Power Amplifier ramp time in microseconds.
+
+  pa-voltage-mv:
+    type: int
+    required: true
+    description: |
+      Voltage on PAVDD supply pin in millivolts.
+
+  pa-2p4ghz:
+    type: string
+    description: |
+      Power Amplifier selection for 2.4 GHz. A value of 'highest' selects the highest
+      available PA on the given device. Other values explicitly select a specific PA.
+      Not all PAs are available on all devices, check device specific documentation.
+      If this property is not set, no 2.4 GHz PA is enabled.
+    enum:
+      - highest
+      - hp
+      - mp
+      - lp
+
+  pa-subghz:
+    type: string
+    description: |
+      Power Amplifier selection for sub-GHz. A value of 'highest' selects the highest
+      available PA on the given device. This is the only available option. If this
+      property is not set, no sub-GHz PA is enabled.
+    enum:
+      - highest
