arm64: dts: Add Broadcom North Star 2 support

Add Broadcom NS2 device tree binding document. Also add initial device
tree dtsi for Broadcom North Star 2 (NS2) SoC and board support for NS2
SVK board

Signed-off-by: Jon Mason <jonmason@broadcom.com>
Signed-off-by: Ray Jui <rjui@broadcom.com>
Reviewed-by: Scott Branden <sbranden@broadcom.com>
Signed-off-by: Olof Johansson <olof@lixom.net>

diff --git a/Documentation/devicetree/bindings/arm/bcm/ns2.txt b/Documentation/devicetree/bindings/arm/bcm/ns2.txt
new file mode 100644 (file)
index 0000000..35f056f
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/bcm/ns2.txt
@@ -0,0 +1,9 @@
+Broadcom North Star 2 (NS2) device tree bindings
+------------------------------------------------
+
+Boards with NS2 shall have the following properties:
+
+Required root node property:
+
+NS2 SVK board
+compatible = "brcm,ns2-svk", "brcm,ns2";

diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile
index 0c57290c8ba94ca16e2c5dbc456460d65e32c632..1560478d6eb26f0c112b0369c9501ff1b3df32ca 100644 (file)
--- a/arch/arm64/boot/dts/Makefile
+++ b/arch/arm64/boot/dts/Makefile
@@ -1,6 +1,7 @@
 dts-dirs += amd
 dts-dirs += apm
 dts-dirs += arm
+dts-dirs += broadcom
 dts-dirs += cavium
 dts-dirs += exynos
 dts-dirs += freescale

diff --git a/arch/arm64/boot/dts/broadcom/Makefile b/arch/arm64/boot/dts/broadcom/Makefile
new file mode 100644 (file)
index 0000000..e21fe66
--- /dev/null
+++ b/arch/arm64/boot/dts/broadcom/Makefile
@@ -0,0 +1,5 @@
+dtb-$(CONFIG_ARCH_BCM_IPROC) += ns2-svk.dtb
+
+always         := $(dtb-y)
+subdir-y       := $(dts-dirs)
+clean-files    := *.dtb

diff --git a/arch/arm64/boot/dts/broadcom/ns2-svk.dts b/arch/arm64/boot/dts/broadcom/ns2-svk.dts
new file mode 100644 (file)
index 0000000..244baf8
--- /dev/null
+++ b/arch/arm64/boot/dts/broadcom/ns2-svk.dts
@@ -0,0 +1,59 @@
+/*
+ *  BSD LICENSE
+ *
+ *  Copyright(c) 2015 Broadcom Corporation.  All rights reserved.
+ *
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions
+ *  are met:
+ *
+ *    * Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *    * Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in
+ *      the documentation and/or other materials provided with the
+ *      distribution.
+ *    * Neither the name of Broadcom Corporation nor the names of its
+ *      contributors may be used to endorse or promote products derived
+ *      from this software without specific prior written permission.
+ *
+ *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/dts-v1/;
+
+#include "ns2.dtsi"
+
+/ {
+       model = "Broadcom NS2 SVK";
+       compatible = "brcm,ns2-svk", "brcm,ns2";
+
+       aliases {
+               serial0 = &uart3;
+       };
+
+       chosen {
+               stdout-path = "serial0:115200n8";
+       };
+
+       memory {
+               device_type = "memory";
+               reg = <0x000000000 0x80000000 0x00000000 0x40000000>;
+       };
+
+       soc: soc {
+               uart3: serial@66130000 {
+                       status = "ok";
+               };
+       };
+};

diff --git a/arch/arm64/boot/dts/broadcom/ns2.dtsi b/arch/arm64/boot/dts/broadcom/ns2.dtsi
new file mode 100644 (file)
index 0000000..3c92d92
--- /dev/null
+++ b/arch/arm64/boot/dts/broadcom/ns2.dtsi
@@ -0,0 +1,118 @@
+/*
+ *  BSD LICENSE
+ *
+ *  Copyright(c) 2015 Broadcom Corporation.  All rights reserved.
+ *
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions
+ *  are met:
+ *
+ *    * Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *    * Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in
+ *      the documentation and/or other materials provided with the
+ *      distribution.
+ *    * Neither the name of Broadcom Corporation nor the names of its
+ *      contributors may be used to endorse or promote products derived
+ *      from this software without specific prior written permission.
+ *
+ *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+/memreserve/ 0x84b00000 0x00000008;
+
+/ {
+       compatible = "brcm,ns2";
+       interrupt-parent = <&gic>;
+       #address-cells = <2>;
+       #size-cells = <2>;
+
+       cpus {
+               #address-cells = <2>;
+               #size-cells = <0>;
+
+               cpu@0 {
+                       device_type = "cpu";
+                       compatible = "arm,cortex-a57", "arm,armv8";
+                       reg = <0 0>;
+                       enable-method = "spin-table";
+                       cpu-release-addr = <0 0x84b00000>;
+               };
+
+               cpu@1 {
+                       device_type = "cpu";
+                       compatible = "arm,cortex-a57", "arm,armv8";
+                       reg = <0 1>;
+                       enable-method = "spin-table";
+                       cpu-release-addr = <0 0x84b00000>;
+               };
+
+               cpu@2 {
+                       device_type = "cpu";
+                       compatible = "arm,cortex-a57", "arm,armv8";
+                       reg = <0 2>;
+                       enable-method = "spin-table";
+                       cpu-release-addr = <0 0x84b00000>;
+               };
+
+               cpu@3 {
+                       device_type = "cpu";
+                       compatible = "arm,cortex-a57", "arm,armv8";
+                       reg = <0 3>;
+                       enable-method = "spin-table";
+                       cpu-release-addr = <0 0x84b00000>;
+               };
+       };
+
+       timer {
+               compatible = "arm,armv8-timer";
+               interrupts = <GIC_PPI 13 (GIC_CPU_MASK_RAW(0xff) |
+                             IRQ_TYPE_EDGE_RISING)>,
+                            <GIC_PPI 14 (GIC_CPU_MASK_RAW(0xff) |
+                             IRQ_TYPE_EDGE_RISING)>,
+                            <GIC_PPI 11 (GIC_CPU_MASK_RAW(0xff) |
+                             IRQ_TYPE_EDGE_RISING)>,
+                            <GIC_PPI 10 (GIC_CPU_MASK_RAW(0xff) |
+                             IRQ_TYPE_EDGE_RISING)>;
+       };
+
+       soc: soc {
+               compatible = "simple-bus";
+               #address-cells = <1>;
+               #size-cells = <1>;
+               ranges = <0 0 0 0xffffffff>;
+
+               gic: interrupt-controller@65210000 {
+                       compatible = "arm,gic-400";
+                       #interrupt-cells = <3>;
+                       interrupt-controller;
+                       reg = <0x65210000 0x1000>,
+                             <0x65220000 0x1000>,
+                             <0x65240000 0x2000>,
+                             <0x65260000 0x1000>;
+               };
+
+               uart3: serial@66130000 {
+                       compatible = "snps,dw-apb-uart";
+                       reg = <0x66130000 0x100>;
+                       interrupts = <GIC_SPI 393 IRQ_TYPE_LEVEL_HIGH>;
+                       reg-shift = <2>;
+                       reg-io-width = <4>;
+                       clock-frequency = <23961600>;
+                       status = "disabled";
+               };
+       };
+};