MX: Added Freescale Power Management Driver

The patch add supports for the Freescale's Power
Management Controller (known as Atlas) used together with i.MX31/51
processors. It was tested with a MC13783 (MX31) and
MC13892 (MX51).

Signed-off-by: Stefano Babic <sbabic@denx.de>

1 files changed, 128 insertions, 0 deletions

diff --git a/include/fsl_pmic.h b/include/fsl_pmic.h
new file mode 100644
index 0000000..e3abde6
--- /dev/null
+++ b/include/fsl_pmic.h
@@ -0,0 +1,128 @@
+/*
+ * (C) Copyright 2010
+ * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
+ *
+ * (C) Copyright 2009 Freescale Semiconductor, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef __FSL_PMIC_H__
+#define __FSL_PMIC_H__
+
+/*
+ * The registers of different PMIC has the same meaning
+ * but the bit positions of the fields can differ or
+ * some fields has a meaning only on some devices.
+ * You have to check with the internal SPI bitmap
+ * (see Freescale Documentation) to set the registers
+ * for the device you are using
+ */
+enum {
+	REG_INT_STATUS0 = 0,
+	REG_INT_MASK0,
+	REG_INT_SENSE0,
+	REG_INT_STATUS1,
+	REG_INT_MASK1,
+	REG_INT_SENSE1,
+	REG_PU_MODE_S,
+	REG_IDENTIFICATION,
+	REG_UNUSED0,
+	REG_ACC0,
+	REG_ACC1,		/*10 */
+	REG_UNUSED1,
+	REG_UNUSED2,
+	REG_POWER_CTL0,
+	REG_POWER_CTL1,
+	REG_POWER_CTL2,
+	REG_REGEN_ASSIGN,
+	REG_UNUSED3,
+	REG_MEM_A,
+	REG_MEM_B,
+	REG_RTC_TIME,		/*20 */
+	REG_RTC_ALARM,
+	REG_RTC_DAY,
+	REG_RTC_DAY_ALARM,
+	REG_SW_0,
+	REG_SW_1,
+	REG_SW_2,
+	REG_SW_3,
+	REG_SW_4,
+	REG_SW_5,
+	REG_SETTING_0,		/*30 */
+	REG_SETTING_1,
+	REG_MODE_0,
+	REG_MODE_1,
+	REG_POWER_MISC,
+	REG_UNUSED4,
+	REG_UNUSED5,
+	REG_UNUSED6,
+	REG_UNUSED7,
+	REG_UNUSED8,
+	REG_UNUSED9,		/*40 */
+	REG_UNUSED10,
+	REG_UNUSED11,
+	REG_ADC0,
+	REG_ADC1,
+	REG_ADC2,
+	REG_ADC3,
+	REG_ADC4,
+	REG_CHARGE,
+	REG_USB0,
+	REG_USB1,		/*50 */
+	REG_LED_CTL0,
+	REG_LED_CTL1,
+	REG_LED_CTL2,
+	REG_LED_CTL3,
+	REG_UNUSED12,
+	REG_UNUSED13,
+	REG_TRIM0,
+	REG_TRIM1,
+	REG_TEST0,
+	REG_TEST1,		/*60 */
+	REG_TEST2,
+	REG_TEST3,
+	REG_TEST4,
+};
+
+/* REG_POWER_MISC */
+#define GPO1EN		(1 << 6)
+#define GPO1STBY	(1 << 7)
+#define GPO2EN		(1 << 8)
+#define GPO2STBY	(1 << 9)
+#define GPO3EN		(1 << 10)
+#define GPO3STBY	(1 << 11)
+#define GPO4EN		(1 << 12)
+#define GPO4STBY	(1 << 13)
+#define PWGT1SPIEN	(1 << 15)
+#define PWGT2SPIEN	(1 << 16)
+#define PWUP		(1 << 21)
+
+/* Power Control 0 */
+#define COINCHEN	(1 << 23)
+#define BATTDETEN	(1 << 19)
+
+/* Interrupt status 1 */
+#define RTCRSTI		(1 << 7)
+
+void pmic_show_pmic_info(void);
+void pmic_reg_write(u32 reg, u32 value);
+u32 pmic_reg_read(u32 reg);
+
+#endif