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

Marek Vasut
2016-02-29T14:42:02Z

On 02/29/2016 03:42 PM, Tom Rini wrote:
> 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.

Yeah

--
Best regards,
Marek Vasut