diff --git a/include/libopencm3/lpc17xx/pwr.h b/include/libopencm3/lpc17xx/pwr.h
new file mode 100644
index 00000000..7b42b632
--- /dev/null
+++ b/include/libopencm3/lpc17xx/pwr.h
@@ -0,0 +1,102 @@
+/** @defgroup pwr_defines Power Defines
+
+@brief Defined Constants and Types for the LPC17xx Power Control
+
+@ingroup LPC17xx_defines
+
+@version 1.0.0
+
+@author @htmlonly © @endhtmlonly 2013 Silvio Gissi
+
+@date 17 August 2013
+
+LGPL License Terms @ref lgpl_license
+ */
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2012 Silvio Gissi
+ *
+ * This library is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library. If not, see .
+ */
+
+#ifndef LPC17XX_POWER_H
+#define LPC17XX_POWER_H
+
+#include
+#include
+
+/* --- Clock registers ----------------------------------------------------- */
+/* Power Control */
+#define PWR_PCON MMIO32(SYSCON_BASE + 0x0c0)
+#define PWR_PCONP MMIO32(SYSCON_BASE + 0x0c4)
+
+/* PWR_PCON Values */
+#define PWR_PCON_MODE_SLEEP 0x00
+#define PWR_PCON_MODE_POWER_DOWN 0x01
+/* PWR_PCON_MODE_RESERVED 0x02*/
+#define PWR_PCON_MODE_DEEPSLEEP 0x03
+#define PWR_PCON_BODRPM (1 << 2)
+#define PWR_PCON_BOGD (1 << 3)
+#define PWR_PCON_BORD (1 << 4)
+/* Reserved: [7:5] */
+#define PWR_PCON_SMFLAG (1 << 8)
+#define PWR_PCON_DSFLAG (1 << 9)
+#define PWR_PCON_PDFLAG (1 << 10)
+#define PWR_PCON_DPDFLAG (1 << 11)
+/* Reserved: [31:12] */
+
+/* PWR_PCONP Values */
+/* Reserved: [0] */
+#define PWR_PCONP_TIMER0 (1 << 1)
+#define PWR_PCONP_TIMER1 (1 << 2)
+#define PWR_PCONP_UART0 (1 << 3)
+#define PWR_PCONP_UART1 (1 << 4)
+/* Reserved: [5] */
+#define PWR_PCONP_PWM1 (1 << 6)
+#define PWR_PCONP_I2C0 (1 << 7)
+#define PWR_PCONP_SPI (1 << 8)
+#define PWR_PCONP_RTC (1 << 9)
+#define PWR_PCONP_SSP1 (1 << 10)
+/* Reserved: [11] */
+#define PWR_PCONP_ADC (1 << 12)
+#define PWR_PCONP_CAN1 (1 << 13)
+#define PWR_PCONP_CAN2 (1 << 14)
+#define PWR_PCONP_GPIO (1 << 15)
+#define PWR_PCONP_RIT (1 << 16)
+#define PWR_PCONP_MCPWM (1 << 17)
+#define PWR_PCONP_QEI (1 << 18)
+#define PWR_PCONP_I2C1 (1 << 19)
+/* Reserved: [20] */
+#define PWR_PCONP_SSP0 (1 << 21)
+#define PWR_PCONP_TIMER2 (1 << 22)
+#define PWR_PCONP_TIMER3 (1 << 23)
+#define PWR_PCONP_UART2 (1 << 24)
+#define PWR_PCONP_UART3 (1 << 25)
+#define PWR_PCONP_I2C2 (1 << 26)
+#define PWR_PCONP_I2S (1 << 27)
+/* Reserved: [28] */
+#define PWR_PCONP_GPDMA (1 << 29)
+#define PWR_PCONP_ETHERNET (1 << 30)
+#define PWR_PCONP_USB (1 << 31)
+
+BEGIN_DECLS
+
+void pwr_enable_peripherals(uint32_t peripherals);
+void pwr_disable_peripherals(uint32_t peripherals);
+/* TODO Sleep, Deep Sleep, Power Down and Deep Power Down modes */
+
+END_DECLS
+
+#endif
diff --git a/lib/lpc17xx/Makefile b/lib/lpc17xx/Makefile
index 4b49df40..126ad445 100644
--- a/lib/lpc17xx/Makefile
+++ b/lib/lpc17xx/Makefile
@@ -33,7 +33,7 @@ CFLAGS = -O0 -g \
-ffunction-sections -fdata-sections -MD -DLPC17XX
# ARFLAGS = rcsv
ARFLAGS = rcs
-OBJS = gpio.o
+OBJS = gpio.o pwr.o
VPATH += ../cm3
diff --git a/lib/lpc17xx/pwr.c b/lib/lpc17xx/pwr.c
new file mode 100644
index 00000000..cbe794ce
--- /dev/null
+++ b/lib/lpc17xx/pwr.c
@@ -0,0 +1,48 @@
+/** @defgroup pwr-file PWR
+
+@ingroup LPC17xx
+
+@brief libopencm3 LPC17xx Power Control
+
+@version 1.0.0
+
+@author @htmlonly © @endhtmlonly 2013 Silvio Gissi
+
+LGPL License Terms @ref lgpl_license
+*/
+
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2013 Silvio Gissi
+ *
+ * This library is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library. If not, see .
+ */
+
+/**@{*/
+
+#include
+
+void pwr_enable_peripherals(uint32_t peripherals)
+{
+ PWR_PCONP |= peripherals;
+}
+
+void pwr_disable_peripherals(uint32_t peripherals)
+{
+ PWR_PCONP &= ~peripherals;
+}
+
+/**@}*/
+