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authorJohn Tobias <john.tobias.ph@gmail.com>2013-12-19 20:35:37 (GMT)
committerShawn Guo <shawn.guo@linaro.org>2013-12-31 01:36:41 (GMT)
commit1ed4aaebcd2a36b20c3e5c8bd56712b453730090 (patch)
treee6f2474182db212729f672e9da4eda98f16e4363 /arch/arm/mach-imx/mach-imx6sl.c
parenta55a3d726680d1d236e54bcf58c444feeedd7d37 (diff)
downloadlinux-1ed4aaebcd2a36b20c3e5c8bd56712b453730090.tar.xz
ARM: imx: Add cpu frequency scaling support
Re-using iMX6Q driver for cpu frequency scaling. Signed-off-by: John Tobias <john.tobias.ph@gmail.com> Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Diffstat (limited to 'arch/arm/mach-imx/mach-imx6sl.c')
-rw-r--r--arch/arm/mach-imx/mach-imx6sl.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mach-imx6sl.c b/arch/arm/mach-imx/mach-imx6sl.c
index cca183a..0f4fd4c 100644
--- a/arch/arm/mach-imx/mach-imx6sl.c
+++ b/arch/arm/mach-imx/mach-imx6sl.c
@@ -34,6 +34,13 @@ static void __init imx6sl_fec_init(void)
}
}
+static void __init imx6sl_init_late(void)
+{
+ /* imx6sl reuses imx6q cpufreq driver */
+ if (IS_ENABLED(CONFIG_ARM_IMX6Q_CPUFREQ))
+ platform_device_register_simple("imx6q-cpufreq", -1, NULL, 0);
+}
+
static void __init imx6sl_init_machine(void)
{
struct device *parent;
@@ -70,6 +77,7 @@ DT_MACHINE_START(IMX6SL, "Freescale i.MX6 SoloLite (Device Tree)")
.map_io = debug_ll_io_init,
.init_irq = imx6sl_init_irq,
.init_machine = imx6sl_init_machine,
+ .init_late = imx6sl_init_late,
.dt_compat = imx6sl_dt_compat,
.restart = mxc_restart,
MACHINE_END