From 028d6849014a4fcea9fd6514b1be959ee7e01b9e Mon Sep 17 00:00:00 2001 From: Eric Gao Date: Tue, 2 May 2017 18:23:55 +0800 Subject: [PATCH] rockchip: board: evb_rk3399: initialize pwm0 for dispaly backlight Enable pwm0 for display of rk3399 evb board. The PWM do not have decicated interrupt number in dts and can not get periph_id by pinctrl framework. So init them here. Signed-off-by: Eric Gao Reviewed-by: Simon Glass --- board/rockchip/evb_rk3399/evb-rk3399.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/board/rockchip/evb_rk3399/evb-rk3399.c b/board/rockchip/evb_rk3399/evb-rk3399.c index e83dedb..f63f003 100644 --- a/board/rockchip/evb_rk3399/evb-rk3399.c +++ b/board/rockchip/evb_rk3399/evb-rk3399.c @@ -29,6 +29,13 @@ int board_init(void) goto out; } + /* Enable pwm0 for panel backlight */ + ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_PWM0); + if (ret) { + debug("%s PWM0 pinctrl init fail! (ret=%d)\n", __func__, ret); + goto out; + } + ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_PWM2); if (ret) { debug("%s PWM2 pinctrl init fail!\n", __func__); -- 2.7.4