2 * (C) Copyright 2016 Rockchip Electronics Co., Ltd
4 * SPDX-License-Identifier: GPL-2.0+
9 #include <dm/pinctrl.h>
10 #include <dm/uclass-internal.h>
11 #include <asm/arch/periph.h>
12 #include <power/regulator.h>
14 DECLARE_GLOBAL_DATA_PTR;
18 struct udevice *pinctrl, *regulator;
22 * The PWM do not have decicated interrupt number in dts and can
23 * not get periph_id by pinctrl framework, so let's init them here.
24 * The PWM2 and PWM3 are for pwm regulater.
26 ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl);
28 debug("%s: Cannot find pinctrl device\n", __func__);
32 /* Enable pwm0 for panel backlight */
33 ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_PWM0);
35 debug("%s PWM0 pinctrl init fail! (ret=%d)\n", __func__, ret);
39 ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_PWM2);
41 debug("%s PWM2 pinctrl init fail!\n", __func__);
45 ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_PWM3);
47 debug("%s PWM3 pinctrl init fail!\n", __func__);
51 ret = regulators_enable_boot_on(false);
53 debug("%s: Cannot enable boot on regulator\n", __func__);
55 ret = regulator_get_by_platname("vcc5v0_host", ®ulator);
57 debug("%s vcc5v0_host init fail! ret %d\n", __func__, ret);
61 ret = regulator_set_enable(regulator, true);
63 debug("%s vcc5v0-host-en set fail!\n", __func__);
71 int dram_init_banksize(void)
73 /* Reserve 0x200000 for ATF bl31 */
74 gd->bd->bi_dram[0].start = 0x200000;
75 gd->bd->bi_dram[0].size = 0x7e000000;