linux-kernel - Re: [PATCH 6/8] spi: fsl-qspi: support the SpacemiT K1 SoC

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <aPaML32I0Ao1xhpX@lizhi-Precision-Tower-5810>
Date: Mon, 20 Oct 2025 15:23:27 -0400
From: Frank Li <Frank.li@....com>
To: Alex Elder <elder@...cstar.com>
Cc: han.xu@....com, broonie@...nel.org, dlan@...too.org,
	guodong@...cstar.com, linux-spi@...r.kernel.org,
	imx@...ts.linux.dev, spacemit@...ts.linux.dev,
	linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 6/8] spi: fsl-qspi: support the SpacemiT K1 SoC

On Mon, Oct 20, 2025 at 11:51:49AM -0500, Alex Elder wrote:
> Allow the SPI_FSL_QUADSPI Kconfig option to be selected if
> ARCH_SPACEMIT enabled.
>
> Add support for the SpacemiT K1 SoC in the Freescale QSPI driver
> by defining the device type data for its QSPI implementation.
>
> Signed-off-by: Alex Elder <elder@...cstar.com>
> ---
>  drivers/spi/Kconfig        |  3 ++-
>  drivers/spi/spi-fsl-qspi.c | 10 ++++++++++
>  2 files changed, 12 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
> index 4d8f00c850c14..2e3d8bd06ceb2 100644
> --- a/drivers/spi/Kconfig
> +++ b/drivers/spi/Kconfig
> @@ -435,7 +435,8 @@ config SPI_FSL_LPSPI
>
>  config SPI_FSL_QUADSPI
>  	tristate "Freescale QSPI controller"
> -	depends on ARCH_MXC || SOC_LS1021A || ARCH_LAYERSCAPE || COMPILE_TEST
> +	depends on ARCH_MXC || SOC_LS1021A || ARCH_LAYERSCAPE || \
> +			ARCH_SPACEMIT || COMPILE_TEST
		   ^
		   align to here

Frank

>  	depends on HAS_IOMEM
>  	help
>  	  This enables support for the Quad SPI controller in master mode.
> diff --git a/drivers/spi/spi-fsl-qspi.c b/drivers/spi/spi-fsl-qspi.c
> index 9ecb756b33dba..f4f9cf127d3fe 100644
> --- a/drivers/spi/spi-fsl-qspi.c
> +++ b/drivers/spi/spi-fsl-qspi.c
> @@ -267,6 +267,15 @@ static const struct fsl_qspi_devtype_data ls2080a_data = {
>  	.little_endian = true,
>  };
>
> +static const struct fsl_qspi_devtype_data spacemit_k1_data = {
> +	.rxfifo = SZ_128,
> +	.txfifo = SZ_256,
> +	.ahb_buf_size = SZ_512,
> +	.invalid_mstrid = QUADSPI_BUFXCR_INVALID_MSTRID,
> +	.quirks = QUADSPI_QUIRK_TKT253890 | QUADSPI_QUIRK_NO_CLK_DISABLE,
> +	.little_endian = true,
> +};
> +
>  struct fsl_qspi {
>  	void __iomem *iobase;
>  	void __iomem *ahb_addr;
> @@ -998,6 +1007,7 @@ static const struct of_device_id fsl_qspi_dt_ids[] = {
>  	{ .compatible = "fsl,imx6ul-qspi", .data = &imx6ul_data, },
>  	{ .compatible = "fsl,ls1021a-qspi", .data = &ls1021a_data, },
>  	{ .compatible = "fsl,ls2080a-qspi", .data = &ls2080a_data, },
> +	{ .compatible = "spacemit,k1-qspi", .data = &spacemit_k1_data, },
>  	{ /* sentinel */ }
>  };
>  MODULE_DEVICE_TABLE(of, fsl_qspi_dt_ids);
> --
> 2.48.1
>