[U-Boot] [RESEND PATCH v2 4/5] rk3399: enable the pwm2/3 pinctrl in board init
Kever Yang
kever.yang at rock-chips.com
Tue Aug 16 11:58:13 CEST 2016
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 at rock-chips.com>
Acked-by: Simon Glass <sjg at 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;
}
--
1.9.1
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