1 // SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
3  * Copyright (C) 2018, STMicroelectronics - All Rights Reserved
6 #include <adc.h>
11 #include <generic-phy.h>
84 	printf("Board: stm32mp1 in %s mode", mode);  in checkboard()
85 	fdt_compat = fdt_getprop(gd->fdt_blob, 0, "compatible",  in checkboard()
99 		printf("Board: MB%04x Var%d Rev.%c-%02d\n",  in checkboard()
102 		       ((otp >> 8) & 0xF) - 1 + 'A',  in checkboard()
122 	if (gpio_request_by_name_nodev(node, "st,fastboot-gpios", 0,  in board_key_check()
124 		debug("%s: could not find a /config/st,fastboot-gpios\n",  in board_key_check()
136 	if (gpio_request_by_name_nodev(node, "st,stm32prog-gpios", 0,  in board_key_check()
138 		debug("%s: could not find a /config/st,stm32prog-gpios\n",  in board_key_check()
160 /* STMicroelectronics STUSB1600 Type-C controller */
178 		return -ENODEV;  in stusb1600_init()
182 		return -EINVAL;  in stusb1600_init()
188 		return -ENODEV;  in stusb1600_init()
233 	led_name = fdtdec_get_config_string(gd->fdt_blob, led_string);  in get_led()
237 		return -ENOENT;  in get_led()
253 	ret = get_led(&dev, "u-boot,boot-led");  in setup_led()
264 	struct udevice *adc;  in board_check_usb_power()  local
275 		return -ENOENT;  in board_check_usb_power()
279 	 * Retrieve the ADC channels devices and get measurement  in board_check_usb_power()
283 						   "#io-channel-cells");  in board_check_usb_power()
285 		if (adc_count == -ENOENT)  in board_check_usb_power()
288 		pr_err("%s: can't find adc channel (%d)\n", __func__,  in board_check_usb_power()
296 						   "#io-channel-cells", 0, i,  in board_check_usb_power()
304 						  &adc);  in board_check_usb_power()
307 			pr_err("%s: Can't get adc device(%d)\n", __func__,  in board_check_usb_power()
312 		ret = adc_channel_single_shot(adc->name, adc_args.args[0],  in board_check_usb_power()
316 			       __func__, adc->name, adc_args.args[0]);  in board_check_usb_power()
320 		if (!adc_raw_to_uV(adc, raw, &uV)) {  in board_check_usb_power()
324 				 adc->name, adc_args.args[0], raw, uV);  in board_check_usb_power()
327 			       __func__, adc->name, adc_args.args[0]);  in board_check_usb_power()
333 	 * board is plugged on an USB-C 3A power supply and boot process can  in board_check_usb_power()
340 	/* Display warning message and make u-boot,error-led blinking */  in board_check_usb_power()
354 	ret = get_led(&led, "u-boot,error-led");  in board_check_usb_power()
385 	/* today information is hardcoded in U-Boot */  in sysconf_init()
388 	/* disable Pull-Down for boot pin connected to VDD */  in sysconf_init()
405 	 *   => U-Boot set the register only if VDD < 2.7V (in DT)  in sysconf_init()
422 		/* get VDD = pwr-supply */  in sysconf_init()
423 		ret = device_get_supply_regulator(pwr_dev, "pwr-supply",  in sysconf_init()
465 	gd->bd->bi_boot_params = STM32_DDR_BASE + 0x100;  in board_init()
471 		pr_debug("probe pincontrol = %s\n", dev->name);  in board_init()
490 	fdt_compat = fdt_getprop(gd->fdt_blob, 0, "compatible",  in board_late_init()
530 		return -ENODEV;  in board_interface_eth_init()
569 		return -EINVAL;  in board_interface_eth_init()