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

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Message-ID: <4E54A0EA.1080102@ti.com>
Date:	Wed, 24 Aug 2011 09:57:46 +0300
From:	Roger Quadros <rogerq@...com>
To:	Keshava Munegowda <keshava_mgowda@...com>, <b-cousson@...com>
CC:	<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

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?

> +	.idlemodes	= (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART |

Did you intentionally miss out SIDLE_SMART_WKUP ?

> +			   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?

> +	.idlemodes	= (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART),
> +	.sysc_fields	= &omap_hwmod_sysc_type1,
> +};
> +
> +static struct omap_hwmod_class omap44xx_usb_tll_hs_hwmod_class = {
> +	.name = "usbhs_tll",
> +	.sysc = &omap44xx_usb_tll_hs_sysc,
> +};
> +

...


regards,
-roger
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