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 ---
Changes in v2: None
board/rockchip/evb_rk3399/evb-rk3399.c | 31 ++++++++++++++++++++++++++++++- 1 file changed, 30 insertions(+), 1 deletion(-)
diff --git a/board/rockchip/evb_rk3399/evb-rk3399.c b/board/rockchip/evb_rk3399/evb-rk3399.c index cb2d97d..d394276 100644 --- a/board/rockchip/evb_rk3399/evb-rk3399.c +++ b/board/rockchip/evb_rk3399/evb-rk3399.c @@ -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; }