Merge tag 'bcm63138-v4' of http://github.com/brcm/linux into next/soc

Merge "ARM: BCM: Broadcom BCM63138 support" from Florian Fainelli:

This patchset adds very minimal support for the BCM63138 SoC which is
a xDSL SoC using a dual Cortex A9 CPU complex.

* tag 'bcm63138-v4' of http://github.com/brcm/linux:
  MAINTAINERS: add entry for the Broadcom BCM63xx ARM SoCs
  ARM: BCM63XX: add BCM963138DVT Reference platform DTS
  ARM: BCM63XX: add BCM63138 minimal Device Tree
  ARM: BCM63XX: add low-level UART debug support
  ARM: BCM63XX: add basic support for the Broadcom BCM63138 DSL SoC

Conflicts:
	arch/arm/Kconfig.debug

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

3 files changed, 165 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 22aba8598ca7..1a471d7c61ce 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -53,6 +53,7 @@ dtb-$(CONFIG_ARCH_ATLAS6) += atlas6-evb.dtb
 dtb-$(CONFIG_ARCH_AXXIA) += axm5516-amarillo.dtb
 dtb-$(CONFIG_ARCH_BCM2835) += bcm2835-rpi-b.dtb
 dtb-$(CONFIG_ARCH_BCM_5301X) += bcm4708-netgear-r6250.dtb
+dtb-$(CONFIG_ARCH_BCM_63XX) += bcm963138dvt.dtb
 dtb-$(CONFIG_ARCH_BCM_MOBILE) += bcm28155-ap.dtb \
 	bcm21664-garnet.dtb
 dtb-$(CONFIG_ARCH_BERLIN) += \
diff --git a/arch/arm/boot/dts/bcm63138.dtsi b/arch/arm/boot/dts/bcm63138.dtsi
new file mode 100644
index 000000000000..f3bb2dd6269e
--- /dev/null
+++ b/arch/arm/boot/dts/bcm63138.dtsi
@@ -0,0 +1,134 @@
+/*
+ * Broadcom BCM63138 DSL SoCs Device Tree
+ */
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+#include "skeleton.dtsi"
+
+/ {
+	compatible = "brcm,bcm63138";
+	model = "Broadcom BCM63138 DSL SoC";
+	interrupt-parent = <&gic>;
+
+	aliases {
+		uart0 = &serial0;
+		uart1 = &serial1;
+	};
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu@0 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a9";
+			next-level-cache = <&L2>;
+			reg = <0>;
+		};
+
+		cpu@1 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a9";
+			next-level-cache = <&L2>;
+			reg = <1>;
+		};
+	};
+
+	clocks {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		arm_timer_clk: arm_timer_clk {
+			#clock-cells = <0>;
+			compatible = "fixed-clock";
+			clock-frequency = <500000000>;
+		};
+
+		periph_clk: periph_clk {
+			#clock-cells = <0>;
+			compatible = "fixed-clock";
+			clock-frequency = <50000000>;
+			clock-output-names = "periph";
+		};
+	};
+
+	/* ARM bus */
+	axi@80000000 {
+		compatible = "simple-bus";
+		ranges = <0 0x80000000 0x784000>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		L2: cache-controller@1d000 {
+			compatible = "arm,pl310-cache";
+			reg = <0x1d000 0x1000>;
+			cache-unified;
+			cache-level = <2>;
+			cache-sets = <16>;
+			cache-size = <0x80000>;
+			interrupts = <GIC_PPI 0 IRQ_TYPE_LEVEL_HIGH>;
+		};
+
+		scu: scu@1e000 {
+			compatible = "arm,cortex-a9-scu";
+			reg = <0x1e000 0x100>;
+		};
+
+		gic: interrupt-controller@1e100 {
+			compatible = "arm,cortex-a9-gic";
+			reg = <0x1f000 0x1000
+				0x1e100 0x100>;
+			#interrupt-cells = <3>;
+			#address-cells = <0>;
+			interrupt-controller;
+		};
+
+		global_timer: timer@1e200 {
+			compatible = "arm,cortex-a9-global-timer";
+			reg = <0x1e200 0x20>;
+			interrupts = <GIC_PPI 11 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&arm_timer_clk>;
+		};
+
+		local_timer: local-timer@1e600 {
+			compatible = "arm,cortex-a9-twd-timer";
+			reg = <0x1e600 0x20>;
+			interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&arm_timer_clk>;
+		};
+
+		twd_watchdog: watchdog@1e620 {
+			compatible = "arm,cortex-a9-twd-wdt";
+			reg = <0x1e620 0x20>;
+			interupts = <GIC_PPI 14 IRQ_TYPE_LEVEL_HIGH>;
+		};
+	};
+
+	/* Legacy UBUS base */
+	ubus@fffe8000 {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0 0xfffe8000 0x8100>;
+
+		serial0: serial@600 {
+			compatible = "brcm,bcm6345-uart";
+			reg = <0x600 0x1b>;
+			interrupts = <GIC_SPI 32 0>;
+			clocks = <&periph_clk>;
+			clock-names = "periph";
+			status = "disabled";
+		};
+
+		serial1: serial@620 {
+			compatible = "brcm,bcm6345-uart";
+			reg = <0x620 0x1b>;
+			interrupts = <GIC_SPI 33 0>;
+			clocks = <&periph_clk>;
+			clock-names = "periph";
+			status = "disabled";
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/bcm963138dvt.dts b/arch/arm/boot/dts/bcm963138dvt.dts
new file mode 100644
index 000000000000..69c93395ecd2
--- /dev/null
+++ b/arch/arm/boot/dts/bcm963138dvt.dts
@@ -0,0 +1,30 @@
+/*
+ * Broadcom BCM63138 Reference Board DTS
+ */
+
+/dts-v1/;
+
+#include "bcm63138.dtsi"
+
+/ {
+	compatible = "brcm,BCM963138DVT", "brcm,bcm63138";
+	model = "Broadcom BCM963138DVT";
+
+	chosen {
+		bootargs = "console=ttyS0,115200";
+		stdout-path = &serial0;
+	};
+
+	memory {
+		reg = <0x0 0x08000000>;
+	};
+
+};
+
+&serial0 {
+	status = "okay";
+};
+
+&serial1 {
+	status = "okay";
+};