This patch adds the Exynos4412 memory-bus node which includes the regulator
and devfreq-event phandle. The devfreq-event phandle is used for the
governor of devfreq device and provide the current usage state of
MIF (Memory Interface) / INT (Internal) memory bus group.
Cc: Kukjin Kim <kgene@xxxxxxxxxx>
Cc: Myungjoo Ham <myungjoo.ham@xxxxxxxxxxx>
Cc: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
Signed-off-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
---
arch/arm/boot/dts/exynos4412-trats2.dts | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/arch/arm/boot/dts/exynos4412-trats2.dts b/arch/arm/boot/dts/exynos4412-trats2.dts
index bee0eed..21ba25e 100644
--- a/arch/arm/boot/dts/exynos4412-trats2.dts
+++ b/arch/arm/boot/dts/exynos4412-trats2.dts
@@ -917,6 +917,18 @@
};
};
+&memory_bus_mif {
+ devfreq-events = <&ppmu_dmc0_3>, <&ppmu_dmc1_3>;
+ vdd-mem-supply = <&buck1_reg>;
+ status = "okay";
+};
+
+&memory_bus_int {
+ devfreq-events = <&ppmu_leftbus_3>, <&ppmu_rightbus_3>;
+ vdd-mem-supply = <&buck3_reg>;
+ status = "okay";
+};
+
&pinctrl_0 {
pinctrl-names = "default";
pinctrl-0 = <&sleep0>;
--
1.8.5.5
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