1 // SPDX-License-Identifier: GPL-2.0+
3 * (C) Copyright 2016 Rockchip Electronics Co., Ltd
8 #include <dm/pinctrl.h>
9 #include <dm/uclass-internal.h>
10 #include <asm/arch/periph.h>
11 #include <power/regulator.h>
16 struct udevice *pinctrl, *regulator;
20 * The PWM do not have decicated interrupt number in dts and can
21 * not get periph_id by pinctrl framework, so let's init them here.
22 * The PWM2 and PWM3 are for pwm regulater.
24 ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl);
26 debug("%s: Cannot find pinctrl device\n", __func__);
30 /* Enable pwm0 for panel backlight */
31 ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_PWM0);
33 debug("%s PWM0 pinctrl init fail! (ret=%d)\n", __func__, ret);
37 ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_PWM2);
39 debug("%s PWM2 pinctrl init fail!\n", __func__);
43 ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_PWM3);
45 debug("%s PWM3 pinctrl init fail!\n", __func__);
49 ret = regulators_enable_boot_on(false);
51 debug("%s: Cannot enable boot on regulator\n", __func__);
53 ret = regulator_get_by_platname("vcc5v0_host", ®ulator);
55 debug("%s vcc5v0_host init fail! ret %d\n", __func__, ret);
59 ret = regulator_set_enable(regulator, true);
61 debug("%s vcc5v0-host-en set fail!\n", __func__);
69 void spl_board_init(void)
71 struct udevice *pinctrl;
74 ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl);
76 debug("%s: Cannot find pinctrl device\n", __func__);
80 /* Enable debug UART */
81 ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_UART_DBG);
83 debug("%s: Failed to set up console UART\n", __func__);
87 preloader_console_init();
90 printf("%s: Error %d\n", __func__, ret);
92 /* No way to report error here */