From da20981269d890cb85ef9336a3f488d61fbd73b7 Mon Sep 17 00:00:00 2001
From: Kever Yang <kever.yang@rock-chips.com>
Date: Thu, 24 Nov 2016 15:29:50 +0800
Subject: [PATCH] rockchip: board: popmetal: de-assert the host rst pin in
board init
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@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
Added rockchip: tag:
Signed-off-by: Simon Glass <sjg@chromium.org>
---
.../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 aad74ef109..ed82b2bd78 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;
+}