1 /*
2  * (C) Copyright 2011
3  * egnite GmbH <info@egnite.de>
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 /*
9  * Ethernut 5 power management support
10  *
11  * For additional information visit the project home page at
12  * http://www.ethernut.de/
13  */
14 
15 /* I2C address of the PMC */
16 #define PWRMAN_I2C_ADDR 0x22
17 
18 /* PMC registers */
19 #define PWRMAN_REG_VERS		0	/* Version register */
20 #define PWRMAN_REG_STA		1	/* Feature status register */
21 #define PWRMAN_REG_ENA		2	/* Feature enable register */
22 #define PWRMAN_REG_DIS		3	/* Feature disable register */
23 #define PWRMAN_REG_TEMP		4	/* Board temperature */
24 #define PWRMAN_REG_VAUX		6	/* Auxiliary input voltage */
25 #define PWRMAN_REG_LEDCTL	8	/* LED blinking timer. */
26 
27 /* Feature flags used in status, enable and disable registers */
28 #define PWRMAN_BOARD	0x01	/* 1.8V and 3.3V supply */
29 #define PWRMAN_VBIN	0x02	/* VBUS input at device connector */
30 #define PWRMAN_VBOUT	0x04	/* VBUS output at host connector */
31 #define PWRMAN_MMC	0x08	/* Memory card supply */
32 #define PWRMAN_RS232	0x10	/* RS-232 driver shutdown */
33 #define PWRMAN_ETHCLK	0x20	/* Ethernet clock enable */
34 #define PWRMAN_ETHRST	0x40	/* Ethernet PHY reset */
35 #define PWRMAN_WAKEUP	0x80	/* RTC wake-up */
36 
37 /* Features, which are not essential to keep u-boot alive */
38 #define PWRMAN_DISPENSIBLE	(PWRMAN_VBOUT | PWRMAN_MMC | PWRMAN_ETHCLK)
39 
40 /* Enable Ethernut 5 power management. */
41 extern void ethernut5_power_init(void);
42 
43 /* Reset Ethernet PHY. */
44 extern void ethernut5_phy_reset(void);
45 
46 extern void ethernut5_print_version(void);
47 
48 #ifdef CONFIG_CMD_BSP
49 extern void ethernut5_print_power(void);
50 extern void ethernut5_print_celsius(void);
51 extern void ethernut5_print_voltage(void);
52 #endif
53