This patch adds the Exynos3250 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 kg...@kernel.org
Cc: Myungjoo Ham myungjoo@samsung.com
Cc: Kyungmin Park kyungmin.p...@samsung.com
Cc: Youngjun Cho yj44@samsung.com
Signed-off-by: Chanwoo Choi cw00.c...@samsung.com
Acked-by: Kyungmin Park kyungmin.p...@samsung.com
---
arch/arm/boot/dts/exynos3250-monk.dts | 12
arch/arm/boot/dts/exynos3250-rinato.dts | 12
2 files changed, 24 insertions(+)
diff --git a/arch/arm/boot/dts/exynos3250-monk.dts
b/arch/arm/boot/dts/exynos3250-monk.dts
index fcceb59..efadb16 100644
--- a/arch/arm/boot/dts/exynos3250-monk.dts
+++ b/arch/arm/boot/dts/exynos3250-monk.dts
@@ -460,6 +460,18 @@
};
};
+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;
+};
+
xusbxti {
clock-frequency = 2400;
};
diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts
b/arch/arm/boot/dts/exynos3250-rinato.dts
index 9dd1ce1..cf800ed 100644
--- a/arch/arm/boot/dts/exynos3250-rinato.dts
+++ b/arch/arm/boot/dts/exynos3250-rinato.dts
@@ -635,6 +635,18 @@
};
};
+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;
+};
+
xusbxti {
clock-frequency = 2400;
};
--
1.8.5.5
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