On sun[45678]i, we have one cluster of identical cores sharing a
clock, which is ideal for using cpufreq-dt. Register a platform
device for cpufreq-dt.
Signed-off-by: Chen-Yu Tsai <w...@csie.org>
---
arch/arm/mach-sunxi/sunxi.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/arch/arm/mach-sunxi/sunxi.c b/arch/arm/mach-sunxi/sunxi.c
index d4bb2395d39c..1bc811a74a9f 100644
--- a/arch/arm/mach-sunxi/sunxi.c
+++ b/arch/arm/mach-sunxi/sunxi.c
@@ -13,9 +13,15 @@
#include <linux/clk-provider.h>
#include <linux/clocksource.h>
#include <linux/init.h>
+#include <linux/platform_device.h>
#include <asm/mach/arch.h>
+static void __init sunxi_dt_cpufreq_init(void)
+{
+ platform_device_register_simple("cpufreq-dt", -1, NULL, 0);
+}
+
static const char * const sunxi_board_dt_compat[] = {
"allwinner,sun4i-a10",
"allwinner,sun5i-a10s",
@@ -25,6 +31,7 @@ static const char * const sunxi_board_dt_compat[] = {
DT_MACHINE_START(SUNXI_DT, "Allwinner A1X (Device Tree)")
.dt_compat = sunxi_board_dt_compat,
+ .init_late = sunxi_dt_cpufreq_init,
MACHINE_END
static const char * const sun6i_board_dt_compat[] = {
@@ -45,6 +52,7 @@ static void __init sun6i_timer_init(void)
DT_MACHINE_START(SUN6I_DT, "Allwinner sun6i (A31) Family")
.init_time = sun6i_timer_init,
.dt_compat = sun6i_board_dt_compat,
+ .init_late = sunxi_dt_cpufreq_init,
MACHINE_END
static const char * const sun7i_board_dt_compat[] = {
@@ -54,6 +62,7 @@ static const char * const sun7i_board_dt_compat[] = {
DT_MACHINE_START(SUN7I_DT, "Allwinner sun7i (A20) Family")
.dt_compat = sun7i_board_dt_compat,
+ .init_late = sunxi_dt_cpufreq_init,
MACHINE_END
static const char * const sun8i_board_dt_compat[] = {
@@ -63,6 +72,7 @@ static const char * const sun8i_board_dt_compat[] = {
DT_MACHINE_START(SUN8I_DT, "Allwinner sun8i (A23) Family")
.dt_compat = sun8i_board_dt_compat,
+ .init_late = sunxi_dt_cpufreq_init,
MACHINE_END
static const char * const sun9i_board_dt_compat[] = {
--
2.1.4
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