[PATCH v3 20/20] ARM: dts: Add support of bus frequency for exynos4412-trats/odroidu3
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STALE3965d
SUPERSEDED: 1 (0M)
From: Chanwoo Choi <cw00.choi@samsung.com>
Date: 2015-12-11 05:21:31
Also in:
linux-pm, linux-samsung-soc, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
Revision v3 of 7 in this series; 1 review trailer.
Revisions (7)
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 <redacted> --- 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"; +};
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1.9.1