diff options
author | Jon Mason <jonmason@broadcom.com> | 2015-08-31 19:48:53 -0400 |
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committer | Florian Fainelli <f.fainelli@gmail.com> | 2015-09-14 15:48:02 -0700 |
commit | 7b2e987de20781ce74c160a59dbf6a2c06983794 (patch) | |
tree | 775d713acc0834af97f7a844b713eb1c12136d7c /arch/arm/boot/dts/bcm-nsp.dtsi | |
parent | 40b43419e61cbeb3946953df46d4a18d47f8e09c (diff) | |
download | linux-7b2e987de20781ce74c160a59dbf6a2c06983794.tar.bz2 |
ARM: NSP: add minimal Northstar Plus device tree
Add a very minimalistic set of Northstar Plus Device Tree files which
describes the SoC and the BCM958625 implementation. The perpherials
described are:
ARM Cortex A9 CPU
2 8250 UARTs
ARM GIC
PL310 L2 Cache
ARM A9 Global timer
Signed-off-by: Kapil Hali <kapilh@broadcom.com>
Signed-off-by: Jon Mason <jonmason@broadcom.com>
Reviewed-by: Ray Jui <rjui@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Diffstat (limited to 'arch/arm/boot/dts/bcm-nsp.dtsi')
-rw-r--r-- | arch/arm/boot/dts/bcm-nsp.dtsi | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/bcm-nsp.dtsi b/arch/arm/boot/dts/bcm-nsp.dtsi new file mode 100644 index 000000000000..58aca277e4a7 --- /dev/null +++ b/arch/arm/boot/dts/bcm-nsp.dtsi @@ -0,0 +1,119 @@ +/* + * 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> +#include <dt-bindings/interrupt-controller/irq.h> + +#include "skeleton.dtsi" + +/ { + compatible = "brcm,nsp"; + model = "Broadcom Northstar Plus SoC"; + interrupt-parent = <&gic>; + + mpcore { + compatible = "simple-bus"; + ranges = <0x00000000 0x19020000 0x00003000>; + #address-cells = <1>; + #size-cells = <1>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + device_type = "cpu"; + compatible = "arm,cortex-a9"; + next-level-cache = <&L2>; + reg = <0x0>; + }; + }; + + L2: l2-cache { + compatible = "arm,pl310-cache"; + reg = <0x2000 0x1000>; + cache-unified; + cache-level = <2>; + }; + + gic: interrupt-controller@19021000 { + compatible = "arm,cortex-a9-gic"; + #interrupt-cells = <3>; + #address-cells = <0>; + interrupt-controller; + reg = <0x1000 0x1000>, + <0x0100 0x100>; + }; + + timer@19020200 { + compatible = "arm,cortex-a9-global-timer"; + reg = <0x0200 0x100>; + interrupts = <GIC_PPI 11 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&periph_clk>; + }; + }; + + clocks { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + periph_clk: periph_clk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <500000000>; + }; + }; + + axi { + compatible = "simple-bus"; + ranges = <0x00000000 0x18000000 0x00001000>; + #address-cells = <1>; + #size-cells = <1>; + + uart0: serial@18000300 { + compatible = "ns16550a"; + reg = <0x0300 0x100>; + interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>; + clock-frequency = <62499840>; + status = "disabled"; + }; + + uart1: serial@18000400 { + compatible = "ns16550a"; + reg = <0x0400 0x100>; + interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>; + clock-frequency = <62499840>; + status = "disabled"; + }; + }; +}; |