1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * (C) Copyright 2011 4 * egnite GmbH <info@egnite.de> 5 */ 6 7 /* 8 * Ethernut 5 power management support 9 * 10 * For additional information visit the project home page at 11 * http://www.ethernut.de/ 12 */ 13 14 /* I2C address of the PMC */ 15 #define PWRMAN_I2C_ADDR 0x22 16 17 /* PMC registers */ 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. */ 25 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 */ 35 36 /* Features, which are not essential to keep u-boot alive */ 37 #define PWRMAN_DISPENSIBLE (PWRMAN_VBOUT | PWRMAN_MMC | PWRMAN_ETHCLK) 38 39 /* Enable Ethernut 5 power management. */ 40 extern void ethernut5_power_init(void); 41 42 /* Reset Ethernet PHY. */ 43 extern void ethernut5_phy_reset(void); 44 45 extern void ethernut5_print_version(void); 46 47 #ifdef CONFIG_CMD_BSP 48 extern void ethernut5_print_power(void); 49 extern void ethernut5_print_celsius(void); 50 extern void ethernut5_print_voltage(void); 51 #endif 52