linux-kernel - Re: [02/12] mfd: stm32-fmc2: add STM32 FMC2 controller driver

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Date:   Mon, 30 Mar 2020 11:18:38 +0200
From:   Christophe Kerello <christophe.kerello@...com>
To:     Marek Vasut <marex@...x.de>, <miquel.raynal@...tlin.com>,
        <richard@....at>, <vigneshr@...com>, <lee.jones@...aro.org>,
        <robh+dt@...nel.org>, <mark.rutland@....com>, <tony@...mide.com>
CC:     <linux-mtd@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>
Subject: Re: [02/12] mfd: stm32-fmc2: add STM32 FMC2 controller driver



On 3/30/20 1:36 AM, Marek Vasut wrote:
> On 3/23/20 3:58 PM, Christophe Kerello wrote:
>> The driver adds the support for the STMicroelectronics FMC2 controller
>> found on STM32MP SOCs.
>>
>> The FMC2 functional block makes the interface with: synchronous and
>> asynchronous static memories (such as PSNOR, PSRAM or other
>> memory-mapped peripherals) and NAND flash memories.
>>
>> Signed-off-by: Christophe Kerello <christophe.kerello@...com>
> [...]
>> +static const struct of_device_id stm32_fmc2_match[] = {
>> +	{.compatible = "st,stm32mp1-fmc2"},
> 
> stm32mp151.dtsi uses "st,stm32mp15-fmc2" compatible string for FMC (with
> extra "5" in the string).
> 

Hi Marek,

I have not sent in this patch set the update of the device tree files.
Currently, for backward compatibility, the FMC2 is only supported the 
NAND driver. We need to wait the review of the different maintainers 
before updating the device tree files (bindings acked, ...).
I will send a DT file update for your own test.

Regards,
Christophe Kerello.

>> +	{}
>> +};
>> +MODULE_DEVICE_TABLE(of, stm32_fmc2_match);
>> +
>> +static struct platform_driver stm32_fmc2_driver = {
>> +	.probe	= stm32_fmc2_probe,
>> +	.driver	= {
>> +		.name = "stm32_fmc2",
>> +		.of_match_table = stm32_fmc2_match,
>> +		.pm = &stm32_fmc2_pm_ops,
>> +	},
>> +};
>> +module_platform_driver(stm32_fmc2_driver);
> [...]
>