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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 <eric.gao@rock-chips.com> Reviewed-by: Simon Glass <sjg@chromium.org>
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@ -29,6 +29,13 @@ int board_init(void)
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goto out;
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}
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/* Enable pwm0 for panel backlight */
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ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_PWM0);
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if (ret) {
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debug("%s PWM0 pinctrl init fail! (ret=%d)\n", __func__, ret);
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goto out;
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}
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ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_PWM2);
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if (ret) {
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debug("%s PWM2 pinctrl init fail!\n", __func__);
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