[PATCH v4 7/9] ARM: dts: Add the support for exynos busfreq on Exynos3250-based Rinato/Monk board
From: cw00.choi@samsung.com (Chanwoo Choi)
Date: 2015-01-15 01:52:06
Also in:
linux-pm, linux-samsung-soc, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
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 <kgene@kernel.org> Cc: Myungjoo Ham <myungjoo.ham@samsung.com> Cc: Kyungmin Park <kyungmin.park@samsung.com> Cc: Youngjun Cho <redacted> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> Acked-by: Kyungmin Park <kyungmin.park@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 = <24000000>; };
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 = <24000000>; };
--
1.8.5.5