Messages in this thread Patch in this message | | | From | Chanwoo Choi <> | Subject | [PATCH v4 8/9] ARM: dts: Add the support for exynos busfreq on Exynos4412-based TRATS2 board | Date | Thu, 15 Jan 2015 10:50:56 +0900 |
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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@kernel.org> Cc: Myungjoo Ham <myungjoo.ham@samsung.com> Cc: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> --- 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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