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linux-next/arch/arm/mach-imx/mach-imx6sx.c
Anson Huang 47526e410d ARM: imx: add cpufreq support for i.mx6sx
Add cpufreq support for i.MX6SX, using common
i.MX6Q cpufreq driver.

Signed-off-by: Anson Huang <b20788@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
2014-09-16 10:06:45 +08:00

63 lines
1.4 KiB
C

/*
* Copyright 2014 Freescale Semiconductor, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/irqchip.h>
#include <linux/of_platform.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include "common.h"
#include "cpuidle.h"
static void __init imx6sx_init_machine(void)
{
struct device *parent;
mxc_arch_reset_init_dt();
parent = imx_soc_device_init();
if (parent == NULL)
pr_warn("failed to initialize soc device\n");
of_platform_populate(NULL, of_default_bus_match_table, NULL, parent);
imx_anatop_init();
imx6sx_pm_init();
}
static void __init imx6sx_init_irq(void)
{
imx_init_revision_from_anatop();
imx_init_l2cache();
imx_src_init();
imx_gpc_init();
irqchip_init();
}
static void __init imx6sx_init_late(void)
{
imx6q_cpuidle_init();
if (IS_ENABLED(CONFIG_ARM_IMX6Q_CPUFREQ))
platform_device_register_simple("imx6q-cpufreq", -1, NULL, 0);
}
static const char * const imx6sx_dt_compat[] __initconst = {
"fsl,imx6sx",
NULL,
};
DT_MACHINE_START(IMX6SX, "Freescale i.MX6 SoloX (Device Tree)")
.map_io = debug_ll_io_init,
.init_irq = imx6sx_init_irq,
.init_machine = imx6sx_init_machine,
.dt_compat = imx6sx_dt_compat,
.init_late = imx6sx_init_late,
.restart = mxc_restart,
MACHINE_END