WIP: phy: apple: Add Apple Type-C PHY

Signed-off-by: Sven Peter <sven@svenpeter.dev>

Author: svenpeter42

drivers/phy/Kconfig

@@ -74,6 +74,7 @@ config PHY_CAN_TRANSCEIVER
 
 source "drivers/phy/allwinner/Kconfig"
 source "drivers/phy/amlogic/Kconfig"
+source "drivers/phy/apple/Kconfig"
 source "drivers/phy/broadcom/Kconfig"
 source "drivers/phy/cadence/Kconfig"
 source "drivers/phy/freescale/Kconfig"

drivers/phy/Makefile

@@ -12,6 +12,7 @@ obj-$(CONFIG_PHY_PISTACHIO_USB)		+= phy-pistachio-usb.o
 obj-$(CONFIG_USB_LGM_PHY)		+= phy-lgm-usb.o
 obj-y					+= allwinner/	\
 					   amlogic/	\
+					   apple/	\
 					   broadcom/	\
 					   cadence/	\
 					   freescale/	\

drivers/phy/apple/Kconfig

@@ -0,0 +1,11 @@
+# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
+config PHY_APPLE_ATC
+	tristate "Apple Type-C PHY"
+	depends on ARCH_APPLE || COMPILE_TEST
+	default ARCH_APPLE
+	select GENERIC_PHY
+	select TYPEC
+	help
+	  Enable this to add support for the Apple Type-C PHY, switch
+	  and mux found in Apple SoCs such as the M1.
+	  This driver currently provides support for USB2 and USB3.

drivers/phy/apple/Makefile

@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
+CFLAGS_trace.o			:= -I$(src)
+
+obj-$(CONFIG_PHY_APPLE_ATC)		+= phy-apple-atc.o
+phy-apple-atc-y			:= atc.o
+phy-apple-atc-$(CONFIG_TRACING)	+= trace.o