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ARM: rockchip: add a cpufreq-cpu0 device

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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>
This commit is contained in:
Heiko Stuebner
2014-09-13 00:34:31 +02:00
parent 7d1311b93e
commit 47b06fc2d9
1 changed files with 7 additions and 0 deletions
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7
arch/arm/mach-rockchip/rockchip.c
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@@ -24,6 +24,12 @@
#include <asm/hardware/cache-l2x0.h> #include <asm/hardware/cache-l2x0.h>
#include "core.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[] = { static const char * const rockchip_board_dt_compat[] = {
"rockchip,rk2928", "rockchip,rk2928",
"rockchip,rk3066a", "rockchip,rk3066a",
@@ -37,4 +43,5 @@ DT_MACHINE_START(ROCKCHIP_DT, "Rockchip Cortex-A9 (Device Tree)")
.l2c_aux_val = 0, .l2c_aux_val = 0,
.l2c_aux_mask = ~0, .l2c_aux_mask = ~0,
.dt_compat = rockchip_board_dt_compat, .dt_compat = rockchip_board_dt_compat,
.init_machine = rockchip_dt_init,
MACHINE_END MACHINE_END