49acadff2a
Now when we switched to usage of real clk devices for CPU core frequency those root properties make no sense any longer. Se we're just getting rid of them here to not confuse readers of our .dts files. Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Cc: Christian Ruppert <christian.ruppert@alitech.com> Cc: Noam Camus <noamca@mellanox.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
126 lines
3.0 KiB
Plaintext
126 lines
3.0 KiB
Plaintext
/*
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* Copyright (C) 2013-15 Synopsys, Inc. (www.synopsys.com)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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/*
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* Device tree for AXC001 770D/EM6/AS221 CPU card
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* Note that this file only supports the 770D CPU
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*/
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/include/ "skeleton.dtsi"
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/ {
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compatible = "snps,arc";
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#address-cells = <1>;
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#size-cells = <1>;
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cpu_card {
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compatible = "simple-bus";
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#address-cells = <1>;
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#size-cells = <1>;
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ranges = <0x00000000 0xf0000000 0x10000000>;
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core_clk: core_clk {
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#clock-cells = <0>;
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compatible = "fixed-clock";
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clock-frequency = <750000000>;
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};
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core_intc: arc700-intc@cpu {
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compatible = "snps,arc700-intc";
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interrupt-controller;
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#interrupt-cells = <1>;
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};
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/*
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* this GPIO block ORs all interrupts on CPU card (creg,..)
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* to uplink only 1 IRQ to ARC core intc
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*/
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dw-apb-gpio@0x2000 {
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compatible = "snps,dw-apb-gpio";
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reg = < 0x2000 0x80 >;
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#address-cells = <1>;
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#size-cells = <0>;
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ictl_intc: gpio-controller@0 {
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compatible = "snps,dw-apb-gpio-port";
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gpio-controller;
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#gpio-cells = <2>;
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snps,nr-gpios = <30>;
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reg = <0>;
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interrupt-controller;
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#interrupt-cells = <2>;
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interrupt-parent = <&core_intc>;
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interrupts = <15>;
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};
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};
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debug_uart: dw-apb-uart@0x5000 {
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compatible = "snps,dw-apb-uart";
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reg = <0x5000 0x100>;
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clock-frequency = <33333000>;
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interrupt-parent = <&ictl_intc>;
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interrupts = <19 4>;
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baud = <115200>;
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reg-shift = <2>;
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reg-io-width = <4>;
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};
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arcpmu0: pmu {
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compatible = "snps,arc700-pct";
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};
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};
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/*
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* This INTC is actually connected to DW APB GPIO
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* which acts as a wire between MB INTC and CPU INTC.
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* GPIO INTC is configured in platform init code
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* and here we mimic direct connection from MB INTC to
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* CPU INTC, thus we set "interrupts = <7>" instead of
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* "interrupts = <12>"
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*
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* This intc actually resides on MB, but we move it here to
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* avoid duplicating the MB dtsi file given that IRQ from
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* this intc to cpu intc are different for axs101 and axs103
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*/
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mb_intc: dw-apb-ictl@0xe0012000 {
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#interrupt-cells = <1>;
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compatible = "snps,dw-apb-ictl";
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reg = < 0xe0012000 0x200 >;
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interrupt-controller;
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interrupt-parent = <&core_intc>;
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interrupts = < 7 >;
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};
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memory {
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#address-cells = <1>;
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#size-cells = <1>;
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ranges = <0x00000000 0x80000000 0x20000000>;
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device_type = "memory";
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reg = <0x80000000 0x1b000000>; /* (512 - 32) MiB */
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};
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reserved-memory {
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#address-cells = <1>;
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#size-cells = <1>;
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ranges;
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/*
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* We just move frame buffer area to the very end of
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* available DDR. And even though in case of ARC770 there's
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* no strict requirement for a frame-buffer to be in any
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* particular location it allows us to use the same
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* base board's DT node for ARC PGU as for ARc HS38.
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*/
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frame_buffer: frame_buffer@9e000000 {
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compatible = "shared-dma-pool";
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reg = <0x9e000000 0x2000000>;
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no-map;
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};
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};
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};
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