From 1a800f7af3ef5f42ff703fd4b313b79e471f6ced Mon Sep 17 00:00:00 2001 From: Hans de Goede 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 Acked-by: Ian Campbell --- board/sunxi/Kconfig | 9 +++++++++ board/sunxi/board.c | 25 +++++++++++++++++++++++++ 2 files changed, 34 insertions(+) (limited to 'board/sunxi') diff --git a/board/sunxi/Kconfig b/board/sunxi/Kconfig index cea356c..f1501d4 100644 --- a/board/sunxi/Kconfig +++ b/board/sunxi/Kconfig @@ -357,6 +357,15 @@ config VIDEO_LCD_PANEL_MIPI_4_LANE_513_MBPS_VIA_SSD2828 endchoice +config USB_MUSB_SUNXI + bool "Enable sunxi OTG / DRC USB controller in host mode" + default n + ---help--- + Say y here to enable support for the sunxi OTG / DRC USB controller + used on almost all sunxi boards. Note currently u-boot can only have + one usb host controller enabled at a time, so enabling this on boards + which also use the ehci host controller will result in build errors. + config USB_KEYBOARD boolean "Enable USB keyboard support" default y 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 #include #include +#include #include +#include #include 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 -- cgit v1.1