ARM: brcmstb: dts: add a reference DTS for Broadcom 7445

Add a sample DTS which will allow bootup of a board populated
with the BCM7445 chip.

Signed-off-by: Marc Carino <marc.ceeeee@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Cc: Matt Porter <mporter@linaro.org>
Signed-off-by: Matt Porter <mporter@linaro.org>

3 files changed, 127 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index adb5ed9e269e..38439ca9b361 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -59,6 +59,8 @@ dtb-$(CONFIG_ARCH_BERLIN) += \
         berlin2-sony-nsz-gs7.dtb        \
         berlin2cd-google-chromecast.dtb \
         berlin2q-marvell-dmp.dtb
+dtb-$(CONFIG_ARCH_BRCMSTB) += \
+        bcm7445-bcm97445svmb.dtb
 dtb-$(CONFIG_ARCH_DAVINCI) += da850-enbw-cmc.dtb \
         da850-evm.dtb
 dtb-$(CONFIG_ARCH_EFM32) += efm32gg-dk3750.dtb
diff --git a/arch/arm/boot/dts/bcm7445-bcm97445svmb.dts b/arch/arm/boot/dts/bcm7445-bcm97445svmb.dts
new file mode 100644
index 000000000000..9eec2ac1112f
--- /dev/null
+++ b/arch/arm/boot/dts/bcm7445-bcm97445svmb.dts
@@ -0,0 +1,14 @@
+/dts-v1/;
+#include "bcm7445.dtsi"
+
+/ {
+        model = "Broadcom STB (bcm7445), SVMB reference board";
+        compatible = "brcm,bcm7445", "brcm,brcmstb";
+
+        memory {
+                device_type = "memory";
+                reg = <0x00 0x00000000 0x00 0x40000000>,
+                      <0x00 0x40000000 0x00 0x40000000>,
+                      <0x00 0x80000000 0x00 0x40000000>;
+        };
+};
diff --git a/arch/arm/boot/dts/bcm7445.dtsi b/arch/arm/boot/dts/bcm7445.dtsi
new file mode 100644
index 000000000000..0ca0f4e523d0
--- /dev/null
+++ b/arch/arm/boot/dts/bcm7445.dtsi
@@ -0,0 +1,111 @@
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+#include "skeleton.dtsi"
+
+/ {
+        #address-cells = <2>;
+        #size-cells = <2>;
+        model = "Broadcom STB (bcm7445)";
+        compatible = "brcm,bcm7445", "brcm,brcmstb";
+        interrupt-parent = <&gic>;
+
+        chosen {
+                bootargs = "console=ttyS0,115200 earlyprintk";
+        };
+
+        cpus {
+                #address-cells = <1>;
+                #size-cells = <0>;
+
+                cpu@0 {
+                        compatible = "brcm,brahma-b15";
+                        device_type = "cpu";
+                        enable-method = "brcm,brahma-b15";
+                        reg = <0>;
+                };
+
+                cpu@1 {
+                        compatible = "brcm,brahma-b15";
+                        device_type = "cpu";
+                        enable-method = "brcm,brahma-b15";
+                        reg = <1>;
+                };
+
+                cpu@2 {
+                        compatible = "brcm,brahma-b15";
+                        device_type = "cpu";
+                        enable-method = "brcm,brahma-b15";
+                        reg = <2>;
+                };
+
+                cpu@3 {
+                        compatible = "brcm,brahma-b15";
+                        device_type = "cpu";
+                        enable-method = "brcm,brahma-b15";
+                        reg = <3>;
+                };
+        };
+
+        gic: interrupt-controller@ffd00000 {
+                compatible = "brcm,brahma-b15-gic", "arm,cortex-a15-gic";
+                reg = <0x00 0xffd01000 0x00 0x1000>,
+                      <0x00 0xffd02000 0x00 0x2000>,
+                      <0x00 0xffd04000 0x00 0x2000>,
+                      <0x00 0xffd06000 0x00 0x2000>;
+                interrupt-controller;
+                #interrupt-cells = <3>;
+        };
+
+        timer {
+                compatible = "arm,armv7-timer";
+                interrupts = <GIC_PPI 13 (GIC_CPU_MASK_RAW(15) | IRQ_TYPE_LEVEL_LOW)>,
+                             <GIC_PPI 14 (GIC_CPU_MASK_RAW(15) | IRQ_TYPE_LEVEL_LOW)>,
+                             <GIC_PPI 11 (GIC_CPU_MASK_RAW(15) | IRQ_TYPE_LEVEL_LOW)>,
+                             <GIC_PPI 10 (GIC_CPU_MASK_RAW(15) | IRQ_TYPE_LEVEL_LOW)>;
+        };
+
+        rdb {
+                #address-cells = <1>;
+                #size-cells = <1>;
+                compatible = "simple-bus";
+                ranges = <0 0x00 0xf0000000 0x1000000>;
+
+                serial@40ab00 {
+                        compatible = "ns16550a";
+                        reg = <0x40ab00 0x20>;
+                        reg-shift = <2>;
+                        reg-io-width = <4>;
+                        interrupts = <GIC_SPI 75 IRQ_TYPE_LEVEL_HIGH>;
+                        clock-frequency = <0x4d3f640>;
+                };
+
+                sun_top_ctrl: syscon@404000 {
+                        compatible = "brcm,bcm7445-sun-top-ctrl",
+                                     "syscon";
+                        reg = <0x404000 0x51c>;
+                };
+
+                hif_cpubiuctrl: syscon@3e2400 {
+                        compatible = "brcm,bcm7445-hif-cpubiuctrl",
+                                     "syscon";
+                        reg = <0x3e2400 0x5b4>;
+                };
+
+                hif_continuation: syscon@452000 {
+                        compatible = "brcm,bcm7445-hif-continuation",
+                                     "syscon";
+                        reg = <0x452000 0x100>;
+                };
+        };
+
+        smpboot {
+                compatible = "brcm,brcmstb-smpboot";
+                syscon-cpu = <&hif_cpubiuctrl 0x88 0x178>;
+                syscon-cont = <&hif_continuation>;
+        };
+
+        reboot {
+                compatible = "brcm,brcmstb-reboot";
+                syscon = <&sun_top_ctrl 0x304 0x308>;
+        };
+};