From: "Rangoju, Raju" <raju.rangoju@amd.com>
To: Mark Brown <broonie@kernel.org>
Cc: linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org,
krishnamoorthi.m@amd.com, akshata.mukundshetty@amd.com
Subject: Re: [PATCH 02/10] spi: espi_amd: Add eSPI set config IOCTL command
Date: Wed, 26 Mar 2025 15:33:58 +0530 [thread overview]
Message-ID: <2f0477df-7228-4cb0-ad08-52a35f2976e1@amd.com> (raw)
In-Reply-To: <6c09f5e0-d8a2-419c-8813-8a1bb4f39428@sirena.org.uk>
On 3/17/2025 7:37 PM, Mark Brown wrote:
> On Fri, Mar 14, 2025 at 12:04:32AM +0530, Raju Rangoju wrote:
>
>> This patch introduces an IOCTL command to set the configuration of the
>> eSPI controller and eSPI slave0. The configuration options include
>> parameters like frequency, channel, and IO mode. The new IOCTL command
>> allow users to dynamically configure the eSPI controller and slave.
>
> Why? We have spidev...
There is no support from the slave device side to register as an SPI
slave device with the SPI framework and provide SPI communication.
For this reason, the AMD eSPI driver can only handle device
initialization itself and provide a character device file as an
interface to user space.
next prev parent reply other threads:[~2025-03-26 10:04 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-13 18:34 [PATCH 00/10] spi: Add driver to support AMD eSPI controller Raju Rangoju
2025-03-13 18:34 ` [PATCH 01/10] spi: espi_amd: Add AMD eSPI controller driver support Raju Rangoju
2025-03-17 14:06 ` Mark Brown
2025-03-26 10:00 ` Rangoju, Raju
2025-03-13 18:34 ` [PATCH 02/10] spi: espi_amd: Add eSPI set config IOCTL command Raju Rangoju
2025-03-17 14:07 ` Mark Brown
2025-03-26 10:03 ` Rangoju, Raju [this message]
2025-03-13 18:34 ` [PATCH 03/10] spi: espi_amd: Add eSPI get " Raju Rangoju
2025-03-13 18:34 ` [PATCH 04/10] spi: espi_amd: Add eSPI inband-reset " Raju Rangoju
2025-03-13 18:34 ` [PATCH 05/10] spi: espi_amd: Add eSPI set IO mode " Raju Rangoju
2025-03-13 18:34 ` [PATCH 06/10] spi: espi_amd: Add eSPI set channel " Raju Rangoju
2025-03-13 18:34 ` [PATCH 07/10] spi: espi_amd: Add eSPI set frequency " Raju Rangoju
2025-03-13 18:34 ` [PATCH 08/10] spi: espi_amd: Add support for IO/MMIO configuration Raju Rangoju
2025-03-17 14:10 ` Mark Brown
2025-03-26 10:12 ` Rangoju, Raju
2025-03-13 18:34 ` [PATCH 09/10] spi: espi_amd: Add eSPI PC channel IO read/write IOCTL commands Raju Rangoju
2025-03-13 18:34 ` [PATCH 10/10] spi: espi_amd: Add eSPI PC channel MMIO " Raju Rangoju
2025-03-17 14:14 ` [PATCH 00/10] spi: Add driver to support AMD eSPI controller Mark Brown
2025-03-26 9:55 ` Rangoju, Raju
2025-03-26 11:05 ` Mark Brown
2025-04-02 11:43 ` Rangoju, Raju
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