[PATCH v4 20/20] ARM: dts: Add support of bus frequency for exynos4412-trats/odroidu3
From: Chanwoo Choi <cw00.choi@samsung.com>
Date: 2015-12-14 06:40:24
Also in:
linux-pm, linux-samsung-soc, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
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 | 47 +++++++++++++++++++++++++ 2 files changed, 94 insertions(+)
diff --git a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
index 7bd65026761e..cb7e54df6a23 100644
--- a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
+++ b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi@@ -109,6 +109,53 @@ }; }; +&bus_dmc { + devfreq-events = <&ppmu_dmc0_3>, <&ppmu_dmc1_3>; + vdd-supply = <&buck1_reg>; + status = "okay"; +}; + +&bus_acp { + devfreq = <&bus_dmc>; + status = "okay"; +}; + +&bus_c2c { + devfreq = <&bus_dmc>; + 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_display { + devfreq = <&bus_leftbus>; + status = "okay"; +}; + +&bus_fsys { + devfreq = <&bus_leftbus>; + status = "okay"; +}; + +&bus_peri { + devfreq = <&bus_leftbus>; + status = "okay"; +}; + +&bus_mfc { + devfreq = <&bus_leftbus>; + status = "okay"; +}; + &cpu0 { cpu0-supply = <&buck2_reg>; };
diff --git a/arch/arm/boot/dts/exynos4412-trats2.dts b/arch/arm/boot/dts/exynos4412-trats2.dts
index 92438eb6eec6..9f33c651e37a 100644
--- a/arch/arm/boot/dts/exynos4412-trats2.dts
+++ b/arch/arm/boot/dts/exynos4412-trats2.dts@@ -289,6 +289,53 @@ status = "okay"; }; +&bus_dmc { + devfreq-events = <&ppmu_dmc0_3>, <&ppmu_dmc1_3>; + vdd-supply = <&buck1_reg>; + status = "okay"; +}; + +&bus_acp { + devfreq = <&bus_dmc>; + status = "okay"; +}; + +&bus_c2c { + devfreq = <&bus_dmc>; + 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_display { + devfreq = <&bus_leftbus>; + status = "okay"; +}; + +&bus_fsys { + devfreq = <&bus_leftbus>; + status = "okay"; +}; + +&bus_peri { + devfreq = <&bus_leftbus>; + status = "okay"; +}; + +&bus_mfc { + devfreq = <&bus_leftbus>; + status = "okay"; +}; + &cpu0 { cpu0-supply = <&buck2_reg>; };
--
1.9.1