openwrt-mirror/target/linux/imx6/patches-3.14/0004-ARM-dts-imx6dl-enable-cpufreq-support.patch

From 978ed904c17cd39700a5e1f95ee29ef4fee08ce9 Mon Sep 17 00:00:00 2001
From: Anson Huang <b20788@freescale.com>
Date: Thu, 19 Dec 2013 10:02:10 -0500
Subject: [PATCH] ARM: dts: imx6dl: enable cpufreq support

This patch adds cpufreq dts for i.mx6dl to support cpufreq driver.

Signed-off-by: Anson Huang <b20788@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
---
 arch/arm/boot/dts/imx6dl.dtsi | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

--- a/arch/arm/boot/dts/imx6dl.dtsi
+++ b/arch/arm/boot/dts/imx6dl.dtsi
@@ -21,6 +21,26 @@
 			device_type = "cpu";
 			reg = <0>;
 			next-level-cache = <&L2>;
+			operating-points = <
+				/* kHz    uV */
+				996000  1275000
+				792000  1175000
+				396000  1075000
+			>;
+			fsl,soc-operating-points = <
+				/* ARM kHz  SOC-PU uV */
+				996000	1175000
+				792000	1175000
+				396000	1175000
+			>;
+			clock-latency = <61036>; /* two CLK32 periods */
+			clocks = <&clks 104>, <&clks 6>, <&clks 16>,
+				 <&clks 17>, <&clks 170>;
+			clock-names = "arm", "pll2_pfd2_396m", "step",
+				      "pll1_sw", "pll1_sys";
+			arm-supply = <&reg_arm>;
+			pu-supply = <&reg_pu>;
+			soc-supply = <&reg_soc>;
 		};
 
 		cpu@1 {