ARM: dts: add CPU OPP and regulator supply property for exynos4210

For Exynos4210 platforms, add CPU operating points and CPU regulator
supply properties for migrating from Exynos specific cpufreq driver
to using generic cpufreq driver.

Cc: Doug Anderson <dianders@chromium.org>
Cc: Andreas Faerber <afaerber@suse.de>
Cc: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Andreas Farber <afaerber@suse.de>
Cc: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Thomas Abraham <thomas.ab@samsung.com>
[b.zolnierkie: removed exynos5250 and exynos5420 support for now]
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
[k.kozlowski: Rebased, moved cpu nodes to alphabetical position]
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>

4 files changed, 24 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/exynos4210-origen.dts b/arch/arm/boot/dts/exynos4210-origen.dts
index e0abfc3324d1..e050d85cdacd 100644
--- a/arch/arm/boot/dts/exynos4210-origen.dts
+++ b/arch/arm/boot/dts/exynos4210-origen.dts
@@ -127,6 +127,10 @@
         };
 };
 
+&cpu0 {
+        cpu0-supply = <&buck1_reg>;
+};
+
 &fimd {
         pinctrl-0 = <&lcd_en &lcd_clk &lcd_data24 &pwm0_out>;
         pinctrl-names = "default";
diff --git a/arch/arm/boot/dts/exynos4210-trats.dts b/arch/arm/boot/dts/exynos4210-trats.dts
index 98f3ce65cb9a..ba34886f8b65 100644
--- a/arch/arm/boot/dts/exynos4210-trats.dts
+++ b/arch/arm/boot/dts/exynos4210-trats.dts
@@ -188,6 +188,10 @@
         };
 };
 
+&cpu0 {
+        cpu0-supply = <&varm_breg>;
+};
+
 &dsi_0 {
         vddcore-supply = <&vusb_reg>;
         vddio-supply = <&vmipi_reg>;
diff --git a/arch/arm/boot/dts/exynos4210-universal_c210.dts b/arch/arm/boot/dts/exynos4210-universal_c210.dts
index d4f2b11319dd..775892b2cc6a 100644
--- a/arch/arm/boot/dts/exynos4210-universal_c210.dts
+++ b/arch/arm/boot/dts/exynos4210-universal_c210.dts
@@ -548,6 +548,10 @@
         };
 };
 
+&cpu0 {
+        cpu0-supply = <&vdd_arm_reg>;
+};
+
 &pinctrl_1 {
         hdmi_hpd: hdmi-hpd {
                 samsung,pins = "gpx3-7";
diff --git a/arch/arm/boot/dts/exynos4210.dtsi b/arch/arm/boot/dts/exynos4210.dtsi
index 10d3c173396e..3e5ba665d200 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 */