[U-Boot] [PATCH v2 2/4] board: popmetal: de-assert the host rst pin in board init

[Kever Yang]

The PopMetal board have a on board FE1.1 usb 2.0 hub which connect to
the usb host port, we need to de-assert its reset pin to enable it.

Signed-off-by: Kever Yang <kever.yang at rock-chips.com>
---

Changes in v2:
- move the vbus power enable into dwc2 driver

 board/chipspark/popmetal_rk3288/popmetal-rk3288.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/board/chipspark/popmetal_rk3288/popmetal-rk3288.c b/board/chipspark/popmetal_rk3288/popmetal-rk3288.c
index aad74ef..ed82b2b 100644
--- a/board/chipspark/popmetal_rk3288/popmetal-rk3288.c
+++ b/board/chipspark/popmetal_rk3288/popmetal-rk3288.c
@@ -6,6 +6,7 @@
 
 #include <common.h>
 #include <spl.h>
+#include <asm/gpio.h>
 
 void board_boot_order(u32 *spl_boot_list)
 {
@@ -13,3 +14,19 @@ void board_boot_order(u32 *spl_boot_list)
 	spl_boot_list[0] = BOOT_DEVICE_MMC2;
 	spl_boot_list[1] = BOOT_DEVICE_MMC1;
 }
+
+#define GPIO7A3_HUB_RST	227
+
+int rk_board_late_init(void)
+{
+	int ret;
+
+	ret = gpio_request(GPIO7A3_HUB_RST, "hub_rst");
+	if (ret)
+		return ret;
+	ret = gpio_direction_output(GPIO7A3_HUB_RST, 1);
+	if (ret)
+		return ret;
+
+	return 0;
+}
-- 
1.9.1