Messages in this thread Patch in this message | | | From | Chanwoo Choi <> | Subject | [PATCH v3 20/20] ARM: dts: Add support of bus frequency for exynos4412-trats/odroidu3 | Date | Fri, 11 Dec 2015 14:07:59 +0900 |
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THis patch adds the bus device tree nodes for both MIF (Memory) and INT (Internal) block to enable the bus frequency.
The DMC bus is parent device in MIF block using VDD_MIF and the LEFTBUS bus is parent device in INT block using VDD_INT.
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> [linux.amoon: Tested on Odroid U3] Tested-by: Anand Moon <linux.amoon@gmail.com> --- arch/arm/boot/dts/exynos4412-odroid-common.dtsi | 47 ++++++++++++++++++++++++ arch/arm/boot/dts/exynos4412-trats2.dts | 48 +++++++++++++++++++++++++ 2 files changed, 95 insertions(+)
diff --git a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi index 7bd65026761e..b6818aec7cf9 100644 --- a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi +++ b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi @@ -501,3 +501,50 @@ &watchdog { status = "okay"; }; + +&bus_acp { + devfreq = <&bus_dmc>; + status = "okay"; +}; + +&bus_c2c { + devfreq = <&bus_dmc>; + status = "okay"; +}; + +&bus_dmc { + devfreq-events = <&ppmu_dmc0_3>, <&ppmu_dmc1_3>; + vdd-supply = <&buck1_reg>; + status = "okay"; +}; + +&bus_display { + devfreq = <&bus_leftbus>; + status = "okay"; +}; + +&bus_fsys { + devfreq = <&bus_leftbus>; + status = "okay"; +}; + +&bus_leftbus { + devfreq-events = <&ppmu_leftbus_3>, <&ppmu_rightbus_3>; + vdd-supply = <&buck3_reg>; + status = "okay"; +}; + +&bus_mfc { + devfreq = <&bus_leftbus>; + status = "okay"; +}; + +&bus_peri { + devfreq = <&bus_leftbus>; + status = "okay"; +}; + +&bus_rightbus { + devfreq = <&bus_leftbus>; + status = "okay"; +}; diff --git a/arch/arm/boot/dts/exynos4412-trats2.dts b/arch/arm/boot/dts/exynos4412-trats2.dts index 92438eb6eec6..0b8aff3b8cb7 100644 --- a/arch/arm/boot/dts/exynos4412-trats2.dts +++ b/arch/arm/boot/dts/exynos4412-trats2.dts @@ -1251,3 +1251,51 @@ vtmu-supply = <&ldo10_reg>; status = "okay"; }; + +&bus_acp { + devfreq = <&bus_dmc>; + status = "okay"; +}; + +&bus_c2c { + devfreq = <&bus_dmc>; + status = "okay"; +}; + +&bus_dmc { + devfreq-events = <&ppmu_dmc0_3>, <&ppmu_dmc1_3>; + vdd-supply = <&buck1_reg>; + status = "okay"; +}; + +&bus_display { + devfreq = <&bus_leftbus>; + status = "okay"; +}; + + +&bus_fsys { + devfreq = <&bus_leftbus>; + status = "okay"; +}; + +&bus_leftbus { + devfreq-events = <&ppmu_leftbus_3>, <&ppmu_rightbus_3>; + vdd-supply = <&buck3_reg>; + status = "okay"; +}; + +&bus_mfc { + devfreq = <&bus_leftbus>; + status = "okay"; +}; + +&bus_peri { + devfreq = <&bus_leftbus>; + status = "okay"; +}; + +&bus_rightbus { + devfreq = <&bus_leftbus>; + status = "okay"; +}; -- 1.9.1
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