From 1a800f7af3ef5f42ff703fd4b313b79e471f6ced Mon Sep 17 00:00:00 2001
From: Hans de Goede <hdegoede@redhat.com>
Date: Sun, 11 Jan 2015 17:17:00 +0100
Subject: sunxi: Hookup OTG USB controller support

Hookup OTG USB controller support and enable the otg controller + USB-keyb
on various tablets.

This allows tablet owners to interact with u-boot without needing to solder
a serial console onto their tablet PCB.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
---
 board/sunxi/board.c | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

(limited to 'board/sunxi/board.c')

diff --git a/board/sunxi/board.c b/board/sunxi/board.c
index 6b19f75..b70e00c 100644
--- a/board/sunxi/board.c
+++ b/board/sunxi/board.c
@@ -28,7 +28,9 @@
 #include <asm/arch/dram.h>
 #include <asm/arch/gpio.h>
 #include <asm/arch/mmc.h>
+#include <asm/arch/usbc.h>
 #include <asm/io.h>
+#include <linux/usb/musb.h>
 #include <net.h>
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -209,6 +211,26 @@ void sunxi_board_init(void)
 }
 #endif
 
+#if defined(CONFIG_MUSB_HOST) || defined(CONFIG_MUSB_GADGET)
+static struct musb_hdrc_config musb_config = {
+	.multipoint     = 1,
+	.dyn_fifo       = 1,
+	.num_eps        = 6,
+	.ram_bits       = 11,
+};
+
+static struct musb_hdrc_platform_data musb_plat = {
+#if defined(CONFIG_MUSB_HOST)
+	.mode           = MUSB_HOST,
+#else
+	.mode		= MUSB_PERIPHERAL,
+#endif
+	.config         = &musb_config,
+	.power          = 250,
+	.platform_ops	= &sunxi_musb_ops,
+};
+#endif
+
 #ifdef CONFIG_MISC_INIT_R
 int misc_init_r(void)
 {
@@ -228,6 +250,9 @@ int misc_init_r(void)
 		eth_setenv_enetaddr("ethaddr", mac_addr);
 	}
 
+#if defined(CONFIG_MUSB_HOST) || defined(CONFIG_MUSB_GADGET)
+	musb_register(&musb_plat, NULL, (void *)SUNXI_USB0_BASE);
+#endif
 	return 0;
 }
 #endif
-- 
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