linux-kernel - Re: [PATCH v5 11/11] i2c: designware: Add Baikal-T1 System I2C support

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Message-ID: <20200527160544.GM1634618@smile.fi.intel.com>
Date:   Wed, 27 May 2020 19:05:44 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Serge Semin <Sergey.Semin@...kalelectronics.ru>
Cc:     Jarkko Nikula <jarkko.nikula@...ux.intel.com>,
        Wolfram Sang <wsa@...-dreams.de>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Serge Semin <fancer.lancer@...il.com>,
        Alexey Malahov <Alexey.Malahov@...kalelectronics.ru>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Rob Herring <robh+dt@...nel.org>, linux-mips@...r.kernel.org,
        devicetree@...r.kernel.org, linux-i2c@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 11/11] i2c: designware: Add Baikal-T1 System I2C
 support

On Wed, May 27, 2020 at 06:30:46PM +0300, Serge Semin wrote:
> Baikal-T1 System Controller is equipped with a dedicated I2C Controller
> which functionality is based on the DW APB I2C IP-core, the only
> difference in a way it' registers are accessed. There are three access
> register provided in the System Controller registers map, which indirectly
> address the normal DW APB I2C registers space. So in order to have the
> Baikal-T1 System I2C Controller supported by the common DW APB I2C driver
> we created a dedicated Dw I2C controller model quirk, which retrieves the
> syscon regmap from the parental dt node and creates a new regmap based on
> it.

...

> +static struct regmap_config bt1_i2c_cfg = {
> +	.reg_bits = 32,
> +	.val_bits = 32,
> +	.reg_stride = 4,
> +	.fast_io = true,
> +	.reg_read = bt1_i2c_read,
> +	.reg_write = bt1_i2c_write,

> +	.max_register = DW_IC_COMP_TYPE

Perhaps leave comma here.

> +};

-- 
With Best Regards,
Andy Shevchenko