LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Faiz Abbas <faiz_abbas@ti.com>
To: Tony Lindgren <tony@atomide.com>
Cc: <linux-kernel@vger.kernel.org>, <linux-omap@vger.kernel.org>,
	<devicetree@vger.kernel.org>, <bcousson@baylibre.com>,
	<robh+dt@kernel.org>, <mark.rutland@arm.com>, <paul@pwsan.com>,
	<lokeshvutla@ti.com>, <linux@armlinux.org.uk>
Subject: Re: [PATCH 1/3] ARM: dra762: hwmod: Add MCAN support
Date: Fri, 18 May 2018 17:24:24 +0530	[thread overview]
Message-ID: <96794128-c107-9b04-aed5-5dd9caa7a605@ti.com> (raw)
In-Reply-To: <20180517210931.GQ98604@atomide.com>

Hi Tony,

On Friday 18 May 2018 02:39 AM, Tony Lindgren wrote:
> * Faiz Abbas <faiz_abbas@ti.com> [180408 09:59]:
>> From: Lokesh Vutla <lokeshvutla@ti.com>
>>
>> Add MCAN hwmod data and register it for dra762 silicons.
>>
>> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
>> Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
>> ---
>>  arch/arm/mach-omap2/omap_hwmod_7xx_data.c | 32 +++++++++++++++++++++++++++++++
>>  1 file changed, 32 insertions(+)
>>
>> diff --git a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
>> index 62352d1..a2cd7f8 100644
>> --- a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
>> +++ b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
>> @@ -1356,6 +1356,29 @@ static struct omap_hwmod dra7xx_mailbox13_hwmod = {
>>  };
>>  
>>  /*
>> + * 'mcan' class
>> + *
>> + */
>> +static struct omap_hwmod_class dra76x_mcan_hwmod_class = {
>> +	.name	= "mcan",
>> +};
>> +
>> +/* mcan */
>> +static struct omap_hwmod dra76x_mcan_hwmod = {
>> +	.name		= "mcan",
>> +	.class		= &dra76x_mcan_hwmod_class,
>> +	.clkdm_name	= "wkupaon_clkdm",
>> +	.main_clk	= "mcan_clk",
>> +	.prcm = {
>> +		.omap4 = {
>> +			.clkctrl_offs = DRA7XX_CM_WKUPAON_ADC_CLKCTRL_OFFSET,
>> +			.context_offs = DRA7XX_RM_WKUPAON_ADC_CONTEXT_OFFSET,
>> +			.modulemode   = MODULEMODE_SWCTRL,
>> +		},
>> +	},
>> +};
> 
> So based on the ti-sysc related dts comments, this patch should
> work except you should be able to just leave out the clocks here
> with the dts changes.
> 
>> +/*
>>   * 'mcspi' class
>>   *
>>   */
>> @@ -3818,6 +3841,14 @@ static struct omap_hwmod_ocp_if dra7xx_l4_per2__epwmss2 = {
>>  	.user		= OCP_USER_MPU,
>>  };
>>  
>> +/* l3_main_1 -> mcan */
>> +static struct omap_hwmod_ocp_if dra76x_l3_main_1__mcan = {
>> +	.master		= &dra7xx_l3_main_1_hwmod,
>> +	.slave		= &dra76x_mcan_hwmod,
>> +	.clk		= "l3_iclk_div",
>> +	.user		= OCP_USER_MPU | OCP_USER_SDMA,
>> +};
>> +
>>  static struct omap_hwmod_ocp_if *dra7xx_hwmod_ocp_ifs[] __initdata = {
>>  	&dra7xx_l3_main_1__dmm,
>>  	&dra7xx_l3_main_2__l3_instr,
>> @@ -3958,6 +3989,7 @@ static struct omap_hwmod_ocp_if *dra7xx_gp_hwmod_ocp_ifs[] __initdata = {
>>  /* SoC variant specific hwmod links */
>>  static struct omap_hwmod_ocp_if *dra76x_hwmod_ocp_ifs[] __initdata = {
>>  	&dra7xx_l4_per3__usb_otg_ss4,
>> +	&dra76x_l3_main_1__mcan,
>>  	NULL,
>>  };
> 
> So the omap_hwmod_class, omap_hwmod_ocp_if and entry on the
> dra76x_hwmod_ocp_ifs list are still needed with ti-sysc for a
> while. Eventually that data will just come from the dts interconnect
> hierarchy. For struct omap_hwmod_class_sysconfig, ti-sysc will
> allocate and it based on the dts data.
> 

Thanks for the detailed pointers. I will figure out the ti-sysc node
that needs to be added and post a v2.

Thanks,
Faiz

  reply	other threads:[~2018-05-18 11:53 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-08  9:58 [PATCH 0/3] Add MCAN Support for dra76x Faiz Abbas
2018-04-08  9:59 ` [PATCH 1/3] ARM: dra762: hwmod: Add MCAN support Faiz Abbas
2018-05-01 15:26   ` Tony Lindgren
2018-05-15  6:04     ` Faiz Abbas
2018-05-15 17:14       ` Tony Lindgren
2018-05-15 17:18         ` Tony Lindgren
2018-05-15 17:23           ` Tony Lindgren
2018-05-17  8:13             ` Faiz Abbas
2018-05-17 21:04               ` Tony Lindgren
2018-05-17 21:09   ` Tony Lindgren
2018-05-18 11:54     ` Faiz Abbas [this message]
2018-04-08  9:59 ` [PATCH 2/3] ARM: dts: dra762: Add MCAN clock support Faiz Abbas
2018-05-15 17:16   ` Tony Lindgren
2018-04-08  9:59 ` [PATCH 3/3] ARM: dts: dra76x: Add MCAN node Faiz Abbas

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=96794128-c107-9b04-aed5-5dd9caa7a605@ti.com \
    --to=faiz_abbas@ti.com \
    --cc=bcousson@baylibre.com \
    --cc=devicetree@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-omap@vger.kernel.org \
    --cc=linux@armlinux.org.uk \
    --cc=lokeshvutla@ti.com \
    --cc=mark.rutland@arm.com \
    --cc=paul@pwsan.com \
    --cc=robh+dt@kernel.org \
    --cc=tony@atomide.com \
    --subject='Re: [PATCH 1/3] ARM: dra762: hwmod: Add MCAN support' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).