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