linux-kernel - Re: [PATCH 1/5 v5] arm: omap: usb: ehci and ohci hwmod structures for omap4

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Message-ID: <CAP05o4K1XZi1S9APgTYWSoO487BZS8dCSLtknqCtThSrX1ahZw@mail.gmail.com>
Date:	Wed, 24 Aug 2011 16:30:22 +0530
From:	"Munegowda, Keshava" <keshava_mgowda@...com>
To:	Roger Quadros <rogerq@...com>
Cc:	b-cousson@...com, linux-usb@...r.kernel.org,
	linux-omap@...r.kernel.org, linux-kernel@...r.kernel.org,
	balbi@...com, gadiyar@...com, sameo@...ux.intel.com,
	parthab@...ia.ti.com, tony@...mide.com, khilman@...com,
	paul@...an.com, johnstul@...ibm.com, vishwanath.bs@...com,
	tom.leiming@...il.com, toddpoynor@...gle.com
Subject: Re: [PATCH 1/5 v5] arm: omap: usb: ehci and ohci hwmod structures for omap4

On Wed, Aug 24, 2011 at 12:27 PM, Roger Quadros <rogerq@...com> wrote:
> Hi,
>
> On 08/17/2011 02:43 PM, Keshava Munegowda wrote:
>> From: Benoit Cousson <b-cousson@...com>
>>
>> Following 4 hwmod strcuture are added:
>> UHH hwmod of usbhs with uhh base address and functional clock,
>> EHCI hwmod with irq and base address,
>> OHCI hwmod with irq and base address,
>> TLL hwmod of usbhs with the TLL base address and irq.
>>
>> Signed-off-by: Benoit Cousson <b-cousson@...com>
>> Signed-off-by: Keshava Munegowda <keshava_mgowda@...com>
>> ---
>>  arch/arm/mach-omap2/omap_hwmod_44xx_data.c |  244 ++++++++++++++++++++++++++++
>>  1 files changed, 244 insertions(+), 0 deletions(-)
>>
>> diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
>> index 6201422..d8f08fa 100644
>> --- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
>> +++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
>> @@ -68,6 +68,10 @@ static struct omap_hwmod omap44xx_mmc2_hwmod;
>>  static struct omap_hwmod omap44xx_mpu_hwmod;
>>  static struct omap_hwmod omap44xx_mpu_private_hwmod;
>>  static struct omap_hwmod omap44xx_usb_otg_hs_hwmod;
>> +static struct omap_hwmod omap44xx_usb_host_hs_hwmod;
>> +static struct omap_hwmod omap44xx_usbhs_ohci_hwmod;
>> +static struct omap_hwmod omap44xx_usbhs_ehci_hwmod;
>> +static struct omap_hwmod omap44xx_usb_tll_hs_hwmod;
>>
>>  /*
>>   * Interconnects omap_hwmod structures
>> @@ -5336,6 +5340,242 @@ static struct omap_hwmod omap44xx_wd_timer3_hwmod = {
>>       .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP4430),
>>  };
>>
>> +/*
>> + * 'usb_host_hs' class
>> + * high-speed multi-port usb host controller
>> + */
>> +static struct omap_hwmod_ocp_if omap44xx_usb_host_hs__l3_main_2 = {
>> +     .master         = &omap44xx_usb_host_hs_hwmod,
>> +     .slave          = &omap44xx_l3_main_2_hwmod,
>> +     .clk            = "l3_div_ck",
>> +     .user           = OCP_USER_MPU | OCP_USER_SDMA,
>> +};
>> +
>> +static struct omap_hwmod_class_sysconfig omap44xx_usb_host_hs_sysc = {
>> +     .rev_offs       = 0x0000,
>> +     .sysc_offs      = 0x0010,
>> +     .syss_offs      = 0x0014,
>> +     .sysc_flags     = (SYSC_HAS_MIDLEMODE | SYSC_HAS_SIDLEMODE),
>
> what about SYSC_HAS_SOFTRESET?

Yes, I will add this for omap3 , for omap4 this flag is causing
enumeration issue.
for now , I will not add this for 4430.


>
>> +     .idlemodes      = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART |
>
> Did you intentionally miss out SIDLE_SMART_WKUP ?

it is not there for omap3 but I will add this for omap4.


>
>> +                        MSTANDBY_FORCE | MSTANDBY_NO | MSTANDBY_SMART |
>> +                             MSTANDBY_SMART_WKUP),
>> +     .sysc_fields    = &omap_hwmod_sysc_type2,
>> +};
>> +
>
> ...
> <snip>
> ...
>
>> +
>> +/*
>> + * 'usb_tll_hs' class
>> + * usb_tll_hs module is the adapter on the usb_host_hs ports
>> + */
>> +static struct omap_hwmod_class_sysconfig omap44xx_usb_tll_hs_sysc = {
>> +     .rev_offs       = 0x0000,
>> +     .sysc_offs      = 0x0010,
>> +     .syss_offs      = 0x0014,
>> +     .sysc_flags     = (SYSC_HAS_AUTOIDLE | SYSC_HAS_SIDLEMODE),
>
> what about SYSC_HAS_SOFTRESET, SYSC_HAS_ENAWAKEUP and
> SYSC_HAS_CLOCKACTIVITY?

yes, I will add these flags ;


I will send the v7 soon.
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