ARM: rockchip: add a cpufreq-cpu0 device
From: Heiko Stuebner <heiko@...> Date: Sat, 6 Sep 2014 00:46:43 +0200
Commit-Message
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@...>
Patch-Comment
arch/arm/mach-rockchip/rockchip.c | 7 +++++++ 1 file changed, 7 insertions(+)
Statistics
- 7 lines added
- 0 lines removed
Changes
---------------------- arch/arm/mach-rockchip/rockchip.c -----------------------
index 8ab9e0e..eea1f06 100644
@@ -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