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rockchip: board: evb_rk3399: initialize pwm0 for dispaly backlight

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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 <eric.gao@rock-chips.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Eric Gao 2017-05-02 18:23:55 +08:00 • committed by Simon Glass
parent c34bd8b820
commit 028d684901
1 changed files with 7 additions and 0 deletions
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7
board/rockchip/evb_rk3399/evb-rk3399.c
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@ -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__);