[U-Boot] [PATCH 03/17] drivers: usb: musb: add ti musb misc driver for wrapper

From: Tom Rini <trini@konsulko.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 03/17] drivers: usb: musb: add ti musb misc driver for wrapper
Date: Mon, 29 Feb 2016 09:42:17 -0500	[thread overview]
Message-ID: <20160229144217.GN23166@bill-the-cat> (raw)
In-Reply-To: <56D445DC.7090307@ti.com>

On Mon, Feb 29, 2016 at 06:51:32PM +0530, Mugunthan V N wrote:
> On Monday 29 February 2016 05:32 PM, Marek Vasut wrote:
> > On 02/29/2016 04:44 AM, Mugunthan V N wrote:
> >> Add a misc driver for MUSB wrapper, so that based on dr_mode the
> >> USB devices can bind to USB host or USB device drivers.
> >>
> >> Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
> >> ---
> >>  drivers/usb/musb-new/Kconfig   |  9 +++++
> >>  drivers/usb/musb-new/Makefile  |  1 +
> >>  drivers/usb/musb-new/ti-musb.c | 89 ++++++++++++++++++++++++++++++++++++++++++
> >>  3 files changed, 99 insertions(+)
> >>  create mode 100644 drivers/usb/musb-new/ti-musb.c
> >>
> >> diff --git a/drivers/usb/musb-new/Kconfig b/drivers/usb/musb-new/Kconfig
> >> index 6a6cb93..2bcc646 100644
> >> --- a/drivers/usb/musb-new/Kconfig
> >> +++ b/drivers/usb/musb-new/Kconfig
> >> @@ -13,6 +13,15 @@ config USB_MUSB_GADGET
> >>  	help
> >>  	  Enables the MUSB USB dual-role controller in gadget mode.
> >>  
> >> +config USB_MUSB_TI
> >> +	bool "Enable TI OTG USB controller"
> >> +	depends on DM_USB
> >> +	default y
> >> +	help
> >> +	  Say y here to enable support for the TI OTG USB controller
> >> +	  used on TI SoCs. fadsf fa fad af adf adf asf adfa fad fd af
> >> +	   asdf asdf fadsf asf s
> >> +
> >>  if USB_MUSB_HOST || USB_MUSB_GADGET
> >>  
> >>  config USB_MUSB_SUNXI
> >> diff --git a/drivers/usb/musb-new/Makefile b/drivers/usb/musb-new/Makefile
> >> index 072d516..d137044 100644
> >> --- a/drivers/usb/musb-new/Makefile
> >> +++ b/drivers/usb/musb-new/Makefile
> >> @@ -11,6 +11,7 @@ obj-$(CONFIG_USB_MUSB_DSPS) += musb_dsps.o
> >>  obj-$(CONFIG_USB_MUSB_AM35X) += am35x.o
> >>  obj-$(CONFIG_USB_MUSB_OMAP2PLUS) += omap2430.o
> >>  obj-$(CONFIG_USB_MUSB_SUNXI) += sunxi.o
> >> +obj-$(CONFIG_USB_MUSB_TI) += ti-musb.o
> >>  
> >>  ccflags-y := $(call cc-option,-Wno-unused-variable) \
> >>  		$(call cc-option,-Wno-unused-but-set-variable) \
> >> diff --git a/drivers/usb/musb-new/ti-musb.c b/drivers/usb/musb-new/ti-musb.c
> >> new file mode 100644
> >> index 0000000..c1a4952
> >> --- /dev/null
> >> +++ b/drivers/usb/musb-new/ti-musb.c
> >> @@ -0,0 +1,89 @@
> >> +/*
> >> + * MISC driver for TI MUSB Glue.
> >> + *
> >> + * (C) Copyright 2012-2016
> >> + *     Texas Instruments Incorporated, <www.ti.com>
> >> + *
> >> + * SPDX-License-Identifier:     GPL-2.0+
> >> + */
> >> +#include <common.h>
> >> +#include <command.h>
> >> +#include <console.h>
> >> +#include <dm.h>
> >> +#include <linux/usb/otg.h>
> >> +#include <dm/device-internal.h>
> >> +#include <dm/lists.h>
> >> +
> >> +DECLARE_GLOBAL_DATA_PTR;
> >> +
> >> +#ifdef CONFIG_DM_USB
> >> +
> >> +static const char *const usb_dr_modes[] = {
> >> +	[USB_DR_MODE_UNKNOWN]		= "",
> > 
> > This should probably be "unknown" and not empty string.
> 
> I just the followed the Linux way of DT parse implementation.

OK, that sounds like a good reason to keep it the way you did it then.

-- 
Tom
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