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Date: Wed, 09 Dec 2015 13:08:09 +0900 From: Chanwoo Choi <cw00.choi@...sung.com> To: myungjoo.ham@...sung.com, k.kozlowski@...sung.com, kgene@...nel.org Cc: kyungmin.park@...sung.com, robh+dt@...nel.org, pawel.moll@....com, mark.rutland@....com, ijc+devicetree@...lion.org.uk, galak@...eaurora.org, linux@....linux.org.uk, tjakobi@...h.uni-bielefeld.de, linux.amoon@...il.com, cw00.choi@...sung.com, linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org, linux-samsung-soc@...r.kernel.org, devicetree@...r.kernel.org Subject: [PATCH v2 17/19] ARM: dts: Add support of bus frequency using VDD_INT for exynos3250-rinato This patch adds the bus device-tree node of INT (internal) block to enable the bus frequency. The following sub-blocks share the VDD_INT power source: - LEFTBUS (parent device) - RIGHTBUS - PERIL - LCD0 - FSYS - MCUISP / ISP - MFC The LEFTBUS is parent device with devfreq ondemand governor and the rest devices has the dependency on LEFTBUS bus. Signed-off-by: Chanwoo Choi <cw00.choi@...sung.com> --- arch/arm/boot/dts/exynos3250-rinato.dts | 41 +++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts b/arch/arm/boot/dts/exynos3250-rinato.dts index 61477943015b..3a6ca68b68c3 100644 --- a/arch/arm/boot/dts/exynos3250-rinato.dts +++ b/arch/arm/boot/dts/exynos3250-rinato.dts @@ -681,6 +681,47 @@ status = "okay"; }; +&bus_leftbus { + devfreq-events = <&ppmu_leftbus_3>, <&ppmu_rightbus_3>; + vdd-supply = <&buck3_reg>; + status = "okay"; +}; + +&bus_rightbus { + devfreq = <&bus_leftbus>; + status = "okay"; +}; + +&bus_lcd0 { + devfreq = <&bus_leftbus>; + status = "okay"; +}; + +&bus_fsys { + devfreq = <&bus_leftbus>; + status = "okay"; +}; + +&bus_mcuisp { + devfreq = <&bus_leftbus>; + status = "okay"; +}; + +&bus_isp { + devfreq = <&bus_leftbus>; + status = "okay"; +}; + +&bus_peril { + devfreq = <&bus_leftbus>; + status = "okay"; +}; + +&bus_mfc { + devfreq = <&bus_leftbus>; + status = "okay"; +}; + &xusbxti { clock-frequency = <24000000>; }; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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