linux-kernel - Re: [PATCH 18/23] spi: s3c64xx: Add spi port configuration for Tesla FSD SoC

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Message-ID: <dc400642-418b-6bc3-f4f8-0770c0ed4671@canonical.com>
Date:   Thu, 13 Jan 2022 14:28:47 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
To:     Alim Akhtar <alim.akhtar@...sung.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     soc@...nel.org, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, olof@...om.net,
        linus.walleij@...aro.org, catalin.marinas@....com,
        robh+dt@...nel.org, s.nawrocki@...sung.com,
        linux-samsung-soc@...r.kernel.org, pankaj.dubey@...sung.com,
        linux-fsd@...la.com, broonie@...nel.org, linux-spi@...r.kernel.org,
        Aswani Reddy <aswani.reddy@...sung.com>
Subject: Re: [PATCH 18/23] spi: s3c64xx: Add spi port configuration for Tesla
 FSD SoC

On 13/01/2022 13:11, Alim Akhtar wrote:
> This patch adds compatible and port configuration for
> spi controller for Tesla Full Self-Driving SoC.
> 
> Cc: linux-fsd@...la.com
> Cc: broonie@...nel.org
> Cc: linux-spi@...r.kernel.org
> Signed-off-by: Aswani Reddy <aswani.reddy@...sung.com>
> Signed-off-by: Alim Akhtar <alim.akhtar@...sung.com>
> ---
>  drivers/spi/spi-s3c64xx.c | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
> 
> diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
> index 8755cd85e83c..8d0c1f03ab7a 100644
> --- a/drivers/spi/spi-s3c64xx.c
> +++ b/drivers/spi/spi-s3c64xx.c
> @@ -1442,6 +1442,16 @@ static const struct s3c64xx_spi_port_config exynos5433_spi_port_config = {
>  	.quirks		= S3C64XX_SPI_QUIRK_CS_AUTO,
>  };
>  
> +static struct s3c64xx_spi_port_config fsd_spi_port_config = {
> +	.fifo_lvl_mask	= { 0x7f, 0x7f, 0x7f, 0x7f, 0x7f},
> +	.rx_lvl_offset	= 15,
> +	.tx_st_done	= 25,
> +	.high_speed	= true,
> +	.clk_from_cmu	= true,
> +	.clk_ioclk	= false,
> +	.quirks		= S3C64XX_SPI_QUIRK_CS_AUTO,
> +};
> +
>  static const struct platform_device_id s3c64xx_spi_driver_ids[] = {
>  	{
>  		.name		= "s3c2443-spi",
> @@ -1472,6 +1482,9 @@ static const struct of_device_id s3c64xx_spi_dt_match[] = {
>  	{ .compatible = "samsung,exynos5433-spi",
>  			.data = (void *)&exynos5433_spi_port_config,
>  	},
> +	{ .compatible = "tesla,fsd-spi",
> +			.data = (void *)&fsd_spi_port_config,
> +	},

Looks good, except the discussion about too generic compatible.


Best regards,
Krzysztof