From: 陈亮 <cl@rock-chips.com>
Date: Wed, 19 Mar 2014 06:46:26 +0000 (-0700)
Subject: rk3288: add dvfs dts config
X-Git-Tag: firefly_0821_release~6004
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=b6352b91da5825a158c2a98334abc50628b22745;p=firefly-linux-kernel-4.4.55.git

rk3288: add dvfs dts config
---

diff --git a/arch/arm/boot/dts/rk3288-tb.dts b/arch/arm/boot/dts/rk3288-tb.dts
index da2b20bf991c..2e4ba57b7ae4 100755
--- a/arch/arm/boot/dts/rk3288-tb.dts
+++ b/arch/arm/boot/dts/rk3288-tb.dts
@@ -334,6 +334,43 @@
 	status = "okay";
 };
 
+
+&clk_core_dvfs_table {
+	operating-points = <
+		/* KHz    uV */
+		312000 1100000
+		504000 1100000
+		816000 1100000
+		1008000 1100000
+		>;
+};
+
+&clk_gpu_dvfs_table {
+	operating-points = <
+		/* KHz    uV */
+		200000 1200000
+		300000 1200000
+		400000 1200000
+		>;
+};
+
+&clk_ddr_dvfs_table {
+	operating-points = <
+		/* KHz    uV */
+		200000 1200000
+		300000 1200000
+		400000 1200000
+		>;
+
+	freq_table = <
+		/*status		freq(KHz)*/
+		SYS_STATUS_NORMAL	400000
+		SYS_STATUS_SUSPEND	200000
+		SYS_STATUS_VIDEO	300000
+		SYS_STATUS_DUALVIEW	500000
+		>;
+};
+
 /include/ "rk808.dtsi"
 &rk808 {
 	gpios =<&gpio0 GPIO_A4 GPIO_ACTIVE_HIGH>,<&gpio0 GPIO_B3 GPIO_ACTIVE_LOW>;
diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
index 424499669f23..08874d7d6067 100755
--- a/arch/arm/boot/dts/rk3288.dtsi
+++ b/arch/arm/boot/dts/rk3288.dtsi
@@ -690,6 +690,62 @@
 		pinctrl-0 = <&pwm3_pin>;
 		status = "disabled";
 	};
+	dvfs {
+		vd_arm:
+		vd_arm {
+			regulator_name="vdd_arm";
+			suspend_volt=<1000>; //mV
+			pd_a12 {
+				clk_core_dvfs_table:
+				clk_core {
+					operating-points = <
+						/* KHz    uV */
+						312000 1100000
+						504000 1100000
+						816000 1100000
+						1008000 1100000
+						>;
+					status = "okay";
+				};
+			};
+		};
+
+		vd_logic:
+		vd_logic {
+			regulator_name="vdd_logic";
+			suspend_volt=<1000>; //mV
+			pd_ddr {
+				clk_ddr_dvfs_table:
+				clk_ddr {
+					operating-points = <
+						/* KHz    uV */
+						200000 1200000
+						300000 1200000
+						400000 1200000
+						>;
+					status = "disable";
+				};
+			};
+		};
+
+		vd_gpu:
+		vd_gpu {
+			regulator_name="vdd_gpu";
+			suspend_volt=<1000>; //mV
+			pd_gpu {
+				clk_gpu_dvfs_table:
+				clk_gpu {
+					operating-points = <
+						/* KHz    uV */
+						200000 1200000
+						300000 1200000
+						400000 1200000
+						>;
+					status = "okay";
+				};
+			};
+		};
+	};
 
 	ion {
 		compatible = "rockchip,ion";