diff --git a/arch/arm/include/asm/arch-mx31/clock.h b/arch/arm/include/asm/arch-mx31/clock.h
index cc99a75..2e3bce2 100644
--- a/arch/arm/include/asm/arch-mx31/clock.h
+++ b/arch/arm/include/asm/arch-mx31/clock.h
@@ -30,6 +30,7 @@
 	MXC_IPG_PERCLK,
 	MXC_CSPI_CLK,
 	MXC_UART_CLK,
+	MXC_IPU_CLK
 };
 
 unsigned int mxc_get_clock(enum mxc_clock clk);
diff --git a/arch/arm/include/asm/arch-mx31/imx-regs.h b/arch/arm/include/asm/arch-mx31/imx-regs.h
index 0dcd9fe..f263e6bc 100644
--- a/arch/arm/include/asm/arch-mx31/imx-regs.h
+++ b/arch/arm/include/asm/arch-mx31/imx-regs.h
@@ -513,6 +513,20 @@
 #define PLL_MFI(x)		(((x) & 0xf) << 10)
 #define PLL_MFN(x)		(((x) & 0x3ff) << 0)
 
+#define GET_PDR0_CSI_PODF(x)	(((x) >> 23) & 0x1ff)
+#define GET_PDR0_PER_PODF(x)	(((x) >> 16) & 0x1f)
+#define GET_PDR0_HSP_PODF(x)	(((x) >> 11) & 0x7)
+#define GET_PDR0_NFC_PODF(x)	(((x) >> 8) & 0x7)
+#define GET_PDR0_IPG_PODF(x)	(((x) >> 6) & 0x3)
+#define GET_PDR0_MAX_PODF(x)	(((x) >> 3) & 0x7)
+#define GET_PDR0_MCU_PODF(x)	((x) & 0x7)
+
+#define GET_PLL_PD(x)		(((x) >> 26) & 0xf)
+#define GET_PLL_MFD(x)		(((x) >> 16) & 0x3ff)
+#define GET_PLL_MFI(x)		(((x) >> 10) & 0xf)
+#define GET_PLL_MFN(x)		(((x) >> 0) & 0x3ff)
+
+
 #define WEIM_ESDCTL0	0xB8001000
 #define WEIM_ESDCFG0	0xB8001004
 #define WEIM_ESDCTL1	0xB8001008