Merge tag 'bcm2835-soc-next-2015-12-28' of http://github.com/anholt/linux into next/soc

Merge "BCM2835 SOC changes for 4.5" from Eric Anholt:

This pull request includes the bcm2835 changes for 4.5 targeting the
arm-soc next/soc branch.

* tag 'bcm2835-soc-next-2015-12-28' of http://github.com/anholt/linux:
  ARM: bcm2835: Add Kconfig support for bcm2836
  ARM: bcm2835: Add a compat string for bcm2836 machine probe
  dt-bindings: Add root properties for Raspberry Pi 2

Conflicts:
	arch/arm/mach-bcm/Kconfig

Documentation/devicetree/bindings/arm/bcm/brcm,bcm2835.txt

@@ -26,6 +26,10 @@ Raspberry Pi Model B+
 Required root node properties:
 compatible = "raspberrypi,model-b-plus", "brcm,bcm2835";
 
+Raspberry Pi 2 Model B
+Required root node properties:
+compatible = "raspberrypi,2-model-b", "brcm,bcm2836";
+
 Raspberry Pi Compute Module
 Required root node properties:
 compatible = "raspberrypi,compute-module", "brcm,bcm2835";

arch/arm/Kconfig.debug

@@ -143,7 +143,12 @@ choice
 
 	config DEBUG_BCM2835
 		bool "Kernel low-level debugging on BCM2835 PL011 UART"
-		depends on ARCH_BCM2835
+		depends on ARCH_BCM2835 && ARCH_MULTI_V6
+		select DEBUG_UART_PL01X
+
+	config DEBUG_BCM2836
+		bool "Kernel low-level debugging on BCM2836 PL011 UART"
+		depends on ARCH_BCM2835 && ARCH_MULTI_V7
 		select DEBUG_UART_PL01X
 
 	config DEBUG_BCM_5301X
@@ -1402,6 +1407,7 @@ config DEBUG_UART_PHYS
 	default 0x20064000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2
 	default 0x20068000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3
 	default 0x20201000 if DEBUG_BCM2835
+	default 0x3f201000 if DEBUG_BCM2836
 	default 0x3e000000 if DEBUG_BCM_KONA_UART
 	default 0x4000e400 if DEBUG_LL_UART_EFM32
 	default 0x40081000 if DEBUG_LPC18XX_UART0
@@ -1485,7 +1491,7 @@ config DEBUG_UART_VIRT
 	default 0xf0000be0 if ARCH_EBSA110
 	default 0xf0010000 if DEBUG_ASM9260_UART
 	default 0xf01fb000 if DEBUG_NOMADIK_UART
-	default 0xf0201000 if DEBUG_BCM2835
+	default 0xf0201000 if DEBUG_BCM2835 || DEBUG_BCM2836
 	default 0xf1000300 if DEBUG_BCM_5301X
 	default 0xf1002000 if DEBUG_MT8127_UART0
 	default 0xf1006000 if DEBUG_MT6589_UART0

arch/arm/mach-bcm/Kconfig

@@ -136,17 +136,18 @@ comment "Other Architectures"
 
 config ARCH_BCM2835
 	bool "Broadcom BCM2835 family"
-	depends on ARCH_MULTI_V6
+	depends on ARCH_MULTI_V6 || ARCH_MULTI_V7
 	select ARCH_REQUIRE_GPIOLIB
 	select ARM_AMBA
-	select ARM_ERRATA_411920
+	select ARM_ERRATA_411920 if ARCH_MULTI_V6
 	select ARM_TIMER_SP804
+	select HAVE_ARM_ARCH_TIMER if ARCH_MULTI_V7
 	select CLKSRC_OF
 	select PINCTRL
 	select PINCTRL_BCM2835
 	help
-	  This enables support for the Broadcom BCM2835 SoC. This SoC is
-	  used in the Raspberry Pi and Roku 2 devices.
+	  This enables support for the Broadcom BCM2835 and BCM2836 SoCs.
+	  This SoC is used in the Raspberry Pi and Roku 2 devices.
 
 config ARCH_BCM_63XX
 	bool "Broadcom BCM63xx DSL SoC"

arch/arm/mach-bcm/board_bcm2835.c

@@ -36,7 +36,12 @@ static void __init bcm2835_init(void)
 }
 
 static const char * const bcm2835_compat[] = {
+#ifdef CONFIG_ARCH_MULTI_V6
 	"brcm,bcm2835",
+#endif
+#ifdef CONFIG_ARCH_MULTI_V7
+	"brcm,bcm2836",
+#endif
 	NULL
 };