rk3399: enable the pwm2/3 pinctrl in board init

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>

diff --git a/board/rockchip/evb_rk3399/evb-rk3399.c b/board/rockchip/evb_rk3399/evb-rk3399.c
index cb2d97d..d394276 100644 (file)
--- 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;
 }