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 at sntech.de> --- arch/arm/mach-rockchip/rockchip.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/arm/mach-rockchip/rockchip.c b/arch/arm/mach-rockchip/rockchip.c index 8ab9e0e..eea1f06 100644 --- a/arch/arm/mach-rockchip/rockchip.c +++ b/arch/arm/mach-rockchip/rockchip.c @@ -24,6 +24,12 @@ #include <asm/hardware/cache-l2x0.h> #include "core.h" +static void __init rockchip_dt_init(void) +{ + of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); + platform_device_register_simple("cpufreq-cpu0", 0, NULL, 0); +} + static const char * const rockchip_board_dt_compat[] = { "rockchip,rk2928", "rockchip,rk3066a", @@ -37,4 +43,5 @@ DT_MACHINE_START(ROCKCHIP_DT, "Rockchip Cortex-A9 (Device Tree)") .l2c_aux_val = 0, .l2c_aux_mask = ~0, .dt_compat = rockchip_board_dt_compat, + .init_machine = rockchip_dt_init, MACHINE_END -- 2.0.1