[PATCH v3 1/2] ARM: imx6sl: Add cpu frequency scaling support

From: John Tobias
Date: Thu Dec 19 2013 - 23:16:07 EST


Re-use imx6q cpufreq driver to support cpu
frequency scaling on imx6sl.

Signed-off-by: John Tobias <john.tobias.ph@xxxxxxxxx>
---
arch/arm/mach-imx/mach-imx6sl.c | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/arch/arm/mach-imx/mach-imx6sl.c b/arch/arm/mach-imx/mach-imx6sl.c
index 2f952e3..3072e15 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
--
1.8.3.2

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