From: Ray Jui Date: Mon, 27 Jul 2015 22:42:21 +0000 (-0700) Subject: arm64: dts: Add Broadcom North Star 2 support X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=6aad8bf99338fca5a6ef602f2d7e04546f79fd03;p=linux-beck.git 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 Signed-off-by: Ray Jui Reviewed-by: Scott Branden Signed-off-by: Olof Johansson --- diff --git a/Documentation/devicetree/bindings/arm/bcm/ns2.txt b/Documentation/devicetree/bindings/arm/bcm/ns2.txt new file mode 100644 index 000000000000..35f056f4a1c3 --- /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 0c57290c8ba9..1560478d6eb2 100644 --- 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 index 000000000000..e21fe66f1837 --- /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 index 000000000000..244baf879dc9 --- /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 index 000000000000..3c92d92278e5 --- /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 + +/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 = , + , + , + ; + }; + + 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 = ; + reg-shift = <2>; + reg-io-width = <4>; + clock-frequency = <23961600>; + status = "disabled"; + }; + }; +};