From: Thomas Abraham <thomas.ab@xxxxxxxxxxx>
For Exynos4210 platforms, add CPU operating points and CPU
regulator supply properties for migrating from Exynos specific
cpufreq driver to using generic cpufreq driver.
Changes by Bartlomiej:
- removed Exynos5250 and Exynos5420 support for now
Cc: Kukjin Kim <kgene.kim@xxxxxxxxxxx>
Cc: Doug Anderson <dianders@xxxxxxxxxxxx>
Cc: Javier Martinez Canillas <javier.martinez@xxxxxxxxxxxxxxx>
Cc: Andreas Faerber <afaerber@xxxxxxx>
Cc: Sachin Kamat <sachin.kamat@xxxxxxxxxx>
Cc: Andreas Farber <afaerber@xxxxxxx>
Cc: Javier Martinez Canillas <javier.martinez@xxxxxxxxxxxxxxx>
Signed-off-by: Thomas Abraham <thomas.ab@xxxxxxxxxxx>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx>
---
arch/arm/boot/dts/exynos4210-origen.dts | 4 ++++
arch/arm/boot/dts/exynos4210-trats.dts | 4 ++++
arch/arm/boot/dts/exynos4210-universal_c210.dts | 4 ++++
arch/arm/boot/dts/exynos4210.dtsi | 12 ++++++++++++
4 files changed, 24 insertions(+)
diff --git a/arch/arm/boot/dts/exynos4210-origen.dts b/arch/arm/boot/dts/exynos4210-origen.dts
index b811461..5b0941f 100644
--- a/arch/arm/boot/dts/exynos4210-origen.dts
+++ b/arch/arm/boot/dts/exynos4210-origen.dts
@@ -335,3 +335,7 @@
};
};
};
+
+&cpu0 {
+ cpu0-supply = <&buck1_reg>;
+};
diff --git a/arch/arm/boot/dts/exynos4210-trats.dts b/arch/arm/boot/dts/exynos4210-trats.dts
index 32c5fd8..9b5bdd0 100644
--- a/arch/arm/boot/dts/exynos4210-trats.dts
+++ b/arch/arm/boot/dts/exynos4210-trats.dts
@@ -483,3 +483,7 @@
};
};
};
+
+&cpu0 {
+ cpu0-supply = <&varm_breg>;
+};
diff --git a/arch/arm/boot/dts/exynos4210-universal_c210.dts b/arch/arm/boot/dts/exynos4210-universal_c210.dts
index d4f2b11..5bf74da 100644
--- a/arch/arm/boot/dts/exynos4210-universal_c210.dts
+++ b/arch/arm/boot/dts/exynos4210-universal_c210.dts
@@ -567,3 +567,7 @@
&mdma1 {
reg = <0x12840000 0x1000>;
};
+
+&cpu0 {
+ cpu0-supply = <&vdd_arm_reg>;
+};
diff --git a/arch/arm/boot/dts/exynos4210.dtsi b/arch/arm/boot/dts/exynos4210.dtsi
index be89f83..df075e64 100644
--- a/arch/arm/boot/dts/exynos4210.dtsi
+++ b/arch/arm/boot/dts/exynos4210.dtsi
@@ -40,6 +40,18 @@
device_type = "cpu";
compatible = "arm,cortex-a9";
reg = <0x900>;
+ clocks = <&clock CLK_ARM_CLK>;
+ clock-names = "cpu";
+ clock-latency = <160000>;
+
+ operating-points = <
+ 1200000 1250000
+ 1000000 1150000
+ 800000 1075000
+ 500000 975000
+ 400000 975000
+ 200000 950000
+ >;
cooling-min-level = <4>;
cooling-max-level = <2>;
#cooling-cells = <2>; /* min followed by max */
--
1.7.9.5
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