MLK-11390-3 ARM: dts: add busfreq support for imx6sx

Add busfreq support for i.MX6SX.

Signed-off-by: Anson Huang <b20788@freescale.com>

diff --git a/arch/arm/boot/dts/imx6sx.dtsi b/arch/arm/boot/dts/imx6sx.dtsi
index fc3fd0f..17cf053 100644 (file)
--- a/arch/arm/boot/dts/imx6sx.dtsi
+++ b/arch/arm/boot/dts/imx6sx.dtsi
@@ -142,6 +142,28 @@
                interrupt-parent = <&gpc>;
                ranges;
 
+               busfreq {
+                       compatible = "fsl,imx_busfreq";
+                       clocks = <&clks IMX6SX_CLK_PLL2_BUS>, <&clks IMX6SX_CLK_PLL2_PFD2>,
+                               <&clks IMX6SX_CLK_PLL2_198M>, <&clks IMX6SX_CLK_ARM>,
+                               <&clks IMX6SX_CLK_PLL3_USB_OTG>, <&clks IMX6SX_CLK_PERIPH>,
+                               <&clks IMX6SX_CLK_PERIPH_PRE>, <&clks IMX6SX_CLK_PERIPH_CLK2>,
+                               <&clks IMX6SX_CLK_PERIPH_CLK2_SEL>, <&clks IMX6SX_CLK_OSC>,
+                               <&clks IMX6SX_CLK_PLL1_SYS>, <&clks IMX6SX_CLK_PERIPH2>,
+                               <&clks IMX6SX_CLK_AHB>, <&clks IMX6SX_CLK_OCRAM_PODF>,
+                               <&clks IMX6SX_CLK_PLL1_SW>, <&clks IMX6SX_CLK_PERIPH2_PRE>,
+                               <&clks IMX6SX_CLK_PERIPH2_CLK2_SEL>, <&clks IMX6SX_CLK_PERIPH2_CLK2>,
+                               <&clks IMX6SX_CLK_STEP>, <&clks IMX6SX_CLK_MMDC_PODF>,
+                               <&clks IMX6SX_CLK_M4>;
+                       clock-names = "pll2_bus", "pll2_pfd2_396m", "pll2_198m", "arm",
+                                       "pll3_usb_otg", "periph", "periph_pre", "periph_clk2",
+                                       "periph_clk2_sel", "osc", "pll1_sys", "periph2",
+                                       "ahb", "ocram", "pll1_sw", "periph2_pre",
+                                       "periph2_clk2_sel", "periph2_clk2", "step", "mmdc",
+                                       "m4";
+                       fsl,max_ddr_freq = <400000000>;
+               };
+
                pmu {
                        compatible = "arm,cortex-a9-pmu";
                        interrupts = <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>;