GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/bootloader/u-boot-2020.01/board/chipspark/popmetal_rk3288/popmetal-rk3288.c

@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2016 Rockchip Electronics Co., Ltd
+ */
+
+#include <common.h>
+#include <init.h>
+#include <asm/gpio.h>
+
+#define GPIO7A3_HUB_RST	227
+
+int rk3288_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;
+}