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From: Rob Herring <robh@kernel.org>
To: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Cc: Jarkko Nikula <jarkko.nikula@linux.intel.com>,
	Wolfram Sang <wsa@the-dreams.de>,
	Serge Semin <fancer.lancer@gmail.com>,
	Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>,
	Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Mika Westerberg <mika.westerberg@linux.intel.com>,
	linux-mips@vger.kernel.org, linux-i2c@vger.kernel.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 02/11] dt-bindings: i2c: Discard i2c-slave flag from the DW I2C example
Date: Wed, 27 May 2020 11:12:04 -0600	[thread overview]
Message-ID: <20200527171204.GA2348490@bogus> (raw)
In-Reply-To: <20200527120111.5781-3-Sergey.Semin@baikalelectronics.ru>

On Wed, May 27, 2020 at 03:01:02PM +0300, Serge Semin wrote:
> dtc currently doesn't support I2C_OWN_SLAVE_ADDRESS flag set in the
> i2c "reg" property. If it is the compiler will print a warning:
> 
> Warning (i2c_bus_reg): /example-2/i2c@1120000/eeprom@64: I2C bus unit address format error, expected "40000064"
> Warning (i2c_bus_reg): /example-2/i2c@1120000/eeprom@64:reg: I2C address must be less than 10-bits, got "0x40000064"
> 
> In order to silence dtc up let's discard the flag from the DW I2C DT
> binding example for now. Just revert this commit when dtc is fixed.
> 
> Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
> Cc: Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>
> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> Cc: Mika Westerberg <mika.westerberg@linux.intel.com>
> Cc: linux-mips@vger.kernel.org
> 
> ---
> 
> Changelog v3:
> - This is a new patch created as a result of the Rob request to remove
>   the EEPROM-slave bit setting in the DT binndings example until the dtc
>   is fixed.
> ---
>  Documentation/devicetree/bindings/i2c/snps,designware-i2c.yaml | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/i2c/snps,designware-i2c.yaml b/Documentation/devicetree/bindings/i2c/snps,designware-i2c.yaml
> index 4bd430b2b41d..101d78e8f19d 100644
> --- a/Documentation/devicetree/bindings/i2c/snps,designware-i2c.yaml
> +++ b/Documentation/devicetree/bindings/i2c/snps,designware-i2c.yaml
> @@ -137,7 +137,7 @@ examples:
>  
>        eeprom@64 {
>          compatible = "linux,slave-24c02";
> -        reg = <0x40000064>;
> +        reg = <0x64>;

But the compatible is a slave, so you need an example with a different 
device.

>        };
>      };
>    - |
> -- 
> 2.26.2
> 

  reply	other threads:[~2020-05-27 17:12 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-27 12:01 [PATCH v4 00/11] i2c: designeware: Add Baikal-T1 System I2C support Serge Semin
2020-05-27 12:01 ` [PATCH v4 01/11] dt-bindings: i2c: Convert DW I2C binding to DT schema Serge Semin
2020-05-27 12:01 ` [PATCH v4 02/11] dt-bindings: i2c: Discard i2c-slave flag from the DW I2C example Serge Semin
2020-05-27 17:12   ` Rob Herring [this message]
2020-05-27 17:18     ` Serge Semin
2020-05-27 17:56       ` Andy Shevchenko
2020-05-28  8:39         ` Serge Semin
2020-05-28 10:00           ` Andy Shevchenko
2020-05-27 12:01 ` [PATCH v4 03/11] dt-bindings: i2c: dw: Add Baikal-T1 SoC I2C controller Serge Semin
2020-05-27 12:01 ` [PATCH v4 04/11] i2c: designware: Use `-y` to build multi-object modules Serge Semin
2020-05-27 12:01 ` [PATCH v4 05/11] i2c: designware: slave: Set DW I2C core module dependency Serge Semin
2020-05-27 12:01 ` [PATCH v4 06/11] i2c: designware: Add Baytrail sem config DW I2C platform dependency Serge Semin
2020-05-27 13:42   ` Andy Shevchenko
2020-05-27 14:24     ` Serge Semin
2020-05-27 15:46       ` Andy Shevchenko
2020-05-27 16:00         ` Serge Semin
2020-05-27 16:43           ` Andy Shevchenko
2020-05-27 12:01 ` [PATCH v4 07/11] i2c: designware: Discard Cherry Trail model flag Serge Semin
2020-05-27 13:43   ` Andy Shevchenko
2020-05-27 14:29     ` Serge Semin
2020-05-27 15:48       ` Andy Shevchenko
2020-05-27 12:01 ` [PATCH v4 08/11] i2c: designware: Convert driver to using regmap API Serge Semin
2020-05-27 13:50   ` Andy Shevchenko
2020-05-27 14:39     ` Serge Semin
2020-05-27 12:01 ` [PATCH v4 09/11] i2c: designware: Retrieve quirk flags as early as possible Serge Semin
2020-05-27 13:51   ` Andy Shevchenko
2020-05-27 12:01 ` [PATCH v4 10/11] i2c: designware: Move reg-space remapping into a dedicated function Serge Semin
2020-05-27 13:58   ` Andy Shevchenko
2020-05-27 14:54     ` Serge Semin
2020-05-27 12:01 ` [PATCH v4 11/11] i2c: designware: Add Baikal-T1 System I2C support Serge Semin
2020-05-27 14:03   ` Andy Shevchenko
2020-05-27 15:04     ` Serge Semin
2020-05-27 15:52       ` Andy Shevchenko

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