forked from Minki/linux
47b06fc2d9
Rockchip SoCs can sucessfully use the generic cpufreq-cpu0 driver to do frequency scaling. Therefore add a platform device in the machine init code. Signed-off-by: Heiko Stuebner <heiko@sntech.de>
48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
/*
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* Device Tree support for Rockchip SoCs
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*
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* Copyright (c) 2013 MundoReader S.L.
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* Author: Heiko Stuebner <heiko@sntech.de>
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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 as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/of_platform.h>
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#include <linux/irqchip.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/hardware/cache-l2x0.h>
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#include "core.h"
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static void __init rockchip_dt_init(void)
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{
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of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
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platform_device_register_simple("cpufreq-cpu0", 0, NULL, 0);
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}
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static const char * const rockchip_board_dt_compat[] = {
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"rockchip,rk2928",
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"rockchip,rk3066a",
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"rockchip,rk3066b",
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"rockchip,rk3188",
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"rockchip,rk3288",
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NULL,
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};
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DT_MACHINE_START(ROCKCHIP_DT, "Rockchip Cortex-A9 (Device Tree)")
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.l2c_aux_val = 0,
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.l2c_aux_mask = ~0,
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.dt_compat = rockchip_board_dt_compat,
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.init_machine = rockchip_dt_init,
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MACHINE_END
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