linux-kernel - Re: [PATCH 2/3] spi: spacemit: introduce SpacemiT K1 SPI controller driver

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Message-ID: <95d9b310-7edc-47b1-ba9c-81390e9a8532@riscstar.com>
Date: Thu, 18 Sep 2025 07:00:05 -0500
From: Alex Elder <elder@...cstar.com>
To: Troy Mitchell <troy.mitchell@...ux.spacemit.com>, broonie@...nel.org,
 robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org
Cc: linux-spi@...r.kernel.org, devicetree@...r.kernel.org, dlan@...too.org,
 paul.walmsley@...ive.com, palmer@...belt.com, aou@...s.berkeley.edu,
 alex@...ti.fr, p.zabel@...gutronix.de, spacemit@...ts.linux.dev,
 linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] spi: spacemit: introduce SpacemiT K1 SPI controller
 driver

On 9/18/25 2:47 AM, Troy Mitchell wrote:
> On Wed, Sep 17, 2025 at 05:07:22PM -0500, Alex Elder wrote:
>> This patch introduces the driver for the SPI controller found in the
>> SpacemiT K1 SoC.  Currently the driver supports master mode only.
>> The SPI hardware implements RX and TX FIFOs, 32 entries each, and
>> supports both PIO and DMA mode transfers.
>>
>> Signed-off-by: Alex Elder <elder@...cstar.com>
>> ---
>>   drivers/spi/Kconfig           |   8 +
>>   drivers/spi/Makefile          |   1 +
>>   drivers/spi/spi-spacemit-k1.c | 985 ++++++++++++++++++++++++++++++++++
>>   3 files changed, 994 insertions(+)
>>   create mode 100644 drivers/spi/spi-spacemit-k1.c
>>
>> +static void k1_spi_remove(struct platform_device *pdev)
>> +{
>> +	struct k1_spi_driver_data *drv_data = platform_get_drvdata(pdev);
>> +
>> +	k1_spi_register_reset(drv_data, false);
>> +}
>> +
>> +static struct platform_driver k1_spi_driver = {
>> +	.driver = {
>> +		.name	= "k1x-spi",

Oh wow I missed that one!  Yes it will be "k1-spi".

Thanks.

					-Alex

> k1x? iis it from vendor driver? please keep k1-spi
> 
>                  - Troy
> 
>> +		.of_match_table = k1_spi_dt_ids,
>> +	},
>> +	.probe = k1_spi_probe,
>> +	.remove = k1_spi_remove,
>> +};
>> +
>> +module_platform_driver(k1_spi_driver);
>> +
>> +MODULE_DESCRIPTION("SpacemiT K1 SPI controller driver");
>> +MODULE_LICENSE("GPL");
>> -- 
>> 2.48.1
>>
>>
>> _______________________________________________
>> linux-riscv mailing list
>> linux-riscv@...ts.infradead.org
>> http://lists.infradead.org/mailman/listinfo/linux-riscv

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