J813: N1 Wi-Fi and Bluetooth on the MacBook Air M5, with real MSIs

Documentation/devicetree/bindings/interrupt-controller/apple,pcie-msi.yaml

@@ -0,0 +1,57 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/interrupt-controller/apple,pcie-msi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Apple PCIe port MSI controller
+
+maintainers:
+  - Thomas Glanzmann <thomas@glanzmann.de>
+
+description: |
+  The MSI map of one Apple PCIe root port, for a port that the bootloader
+  trained and that Linux drives as a generic ECAM host. Endpoint MSI writes
+  to the doorbell are routed by this map to a contiguous range of AIC
+  interrupts.
+
+allOf:
+  - $ref: /schemas/interrupt-controller/msi-controller.yaml#
+
+properties:
+  compatible:
+    const: apple,t8142-pcie-msi
+
+  reg:
+    maxItems: 1
+    description: The port's MSI map registers.
+
+  msi-controller: true
+
+  msi-ranges:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - msi-controller
+  - msi-ranges
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/apple-aic.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    soc {
+        #address-cells = <2>;
+        #size-cells = <2>;
+
+        msi-controller@488028000 {
+            compatible = "apple,t8142-pcie-msi";
+            reg = <0x4 0x88028000 0x0 0x8000>;
+            msi-controller;
+            msi-ranges = <&aic AIC_IRQ 1741 IRQ_TYPE_EDGE_RISING 32>;
+        };
+    };

drivers/bluetooth/Kconfig

@@ -506,4 +506,18 @@ config BT_INTEL_PCIE
 
 	  Say Y here to compiler support for Intel Bluetooth PCIe device into
 	  the kernel or say M to compile it as module (btintel_pcie)
+
+config BT_CENTAURI
+	tristate "Apple N1 Beta Bluetooth transport (experimental)"
+	depends on PCI && (ARCH_APPLE || COMPILE_TEST)
+	help
+	  Experimental Bluetooth transport for Apple N1 on J813.
+	  The Centauri Control driver must boot the shared firmware before this
+	  driver binds to Beta. Controller initialization, discovery, BR/EDR ACL,
+	  pairing and encrypted AVDTP discovery have been tested on hardware.
+	  ACL delivery and native startup/connection handling remain opt-in;
+	  audio playback and LE data are unqualified. SCO/ISO is not implemented.
+
+	  Say M to build the btcentauri module for bring-up testing.
+
 endmenu

drivers/bluetooth/Makefile

@@ -7,8 +7,12 @@ obj-$(CONFIG_BT_HCIVHCI)	+= hci_vhci.o
 obj-$(CONFIG_BT_HCIUART)	+= hci_uart.o
 obj-$(CONFIG_BT_HCIBCM203X)	+= bcm203x.o
 obj-$(CONFIG_BT_HCIBCM4377)	+= hci_bcm4377.o
+obj-$(CONFIG_BT_HCIMT79XX_PCIE)	+= btmtk_pcie.o
 obj-$(CONFIG_BT_HCIBPA10X)	+= bpa10x.o
 obj-$(CONFIG_BT_HCIBFUSB)	+= bfusb.o
+obj-$(CONFIG_BT_HCIDTL1)	+= dtl1_cs.o
+obj-$(CONFIG_BT_HCIBT3C)	+= bt3c_cs.o
+obj-$(CONFIG_BT_HCIBLUECARD)	+= bluecard_cs.o
 
 obj-$(CONFIG_BT_HCIBTUSB)	+= btusb.o
 obj-$(CONFIG_BT_HCIBTSDIO)	+= btsdio.o
@@ -50,7 +54,4 @@ hci_uart-$(CONFIG_BT_HCIUART_AG6XX)	+= hci_ag6xx.o
 hci_uart-$(CONFIG_BT_HCIUART_MRVL)	+= hci_mrvl.o
 hci_uart-$(CONFIG_BT_HCIUART_AML)	+= hci_aml.o
 hci_uart-objs				:= $(hci_uart-y)
-
-obj-$(CONFIG_BT_MTK7932_PCIE) += mt7932_bt_pcie.o
-
-CONTEXT_ANALYSIS := y
+obj-$(CONFIG_BT_CENTAURI)		+= btcentauri.o