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Tim Schendekehl024b61c2011-11-01 23:55:01 +00001/*
2 * (C) Copyright 2011
3 * egnite GmbH <info@egnite.de>
4 *
Wolfgang Denkd79de1d2013-07-08 09:37:19 +02005 * SPDX-License-Identifier: GPL-2.0+
Tim Schendekehl024b61c2011-11-01 23:55:01 +00006 */
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. */
41extern void ethernut5_power_init(void);
42
43/* Reset Ethernet PHY. */
44extern void ethernut5_phy_reset(void);
45
46extern void ethernut5_print_version(void);
47
48#ifdef CONFIG_CMD_BSP
49extern void ethernut5_print_power(void);
50extern void ethernut5_print_celsius(void);
51extern void ethernut5_print_voltage(void);
52#endif