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rk3399: enable the pwm2/3 pinctrl in board init

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There is no interrupt line for each PWM which used by pinctrl to get the
periph_id, so it's not able to enable the default pinctrl setting by pinctrl
framework, let's enable it at board_init().

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Kever Yang 2016-08-16 17:58:13 +08:00 committed by Simon Glass
parent 824c03332a
commit ad0513828e
1 changed files with 30 additions and 1 deletions
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31
board/rockchip/evb_rk3399/evb-rk3399.c
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@ -4,12 +4,41 @@
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/armv8/mmu.h>
#include <dm.h>
#include <dm/pinctrl.h>
#include <asm/arch/periph.h>
DECLARE_GLOBAL_DATA_PTR;
int board_init(void)
{
struct udevice *pinctrl;
int ret;
/*
* The PWM do not have decicated interrupt number in dts and can
* not get periph_id by pinctrl framework, so let's init them here.
* The PWM2 and PWM3 are for pwm regulater.
*/
ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl);
if (ret) {
debug("%s: Cannot find pinctrl device\n", __func__);
goto out;
}
ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_PWM2);
if (ret) {
debug("%s PWM2 pinctrl init fail!\n", __func__);
goto out;
}
ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_PWM3);
if (ret) {
debug("%s PWM3 pinctrl init fail!\n", __func__);
goto out;
}
out:
return 0;
}