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>

arch/arm/boot/dts/exynos4210-origen.dts

@@ -127,6 +127,10 @@ timing0: timing {
 	};
 };
 
+&cpu0 {
+	cpu0-supply = <&buck1_reg>;
+};
+
 &fimd {
 	pinctrl-0 = <&lcd_en &lcd_clk &lcd_data24 &pwm0_out>;
 	pinctrl-names = "default";

arch/arm/boot/dts/exynos4210-trats.dts

@@ -188,6 +188,10 @@ fimc_3: fimc@11830000 {
 	};
 };
 
+&cpu0 {
+	cpu0-supply = <&varm_breg>;
+};
+
 &dsi_0 {
 	vddcore-supply = <&vusb_reg>;
 	vddio-supply = <&vmipi_reg>;

arch/arm/boot/dts/exynos4210-universal_c210.dts

@@ -548,6 +548,10 @@ i2c@138E0000 {
 	};
 };
 
+&cpu0 {
+	cpu0-supply = <&vdd_arm_reg>;
+};
+
 &pinctrl_1 {
 	hdmi_hpd: hdmi-hpd {
 		samsung,pins = "gpx3-7";

arch/arm/boot/dts/exynos4210.dtsi

@@ -40,6 +40,18 @@ cpu0: cpu@900 {
 			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 */