From: Sascha Hauer <s.hauer@pengutronix.de>
To: Lucas Stach <l.stach@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 1/4] spi: imx5: allow CSPI to work
Date: Fri, 7 Feb 2014 08:23:56 +0100 [thread overview]
Message-ID: <20140207072356.GH16215@pengutronix.de> (raw)
In-Reply-To: <1391701030-18395-1-git-send-email-l.stach@pengutronix.de>
On Thu, Feb 06, 2014 at 04:37:07PM +0100, Lucas Stach wrote:
> i.MX5 SoCs still have one old i.MX35-style SPI
> controller. Allow this one to work side by side
> with the new ECSPI controllers.
>
> Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
> ---
> drivers/spi/Kconfig | 2 +-
> drivers/spi/imx_spi.c | 13 +++++++++++++
> 2 files changed, 14 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
> index 422693ccd5fe..b9f28da7983b 100644
> --- a/drivers/spi/Kconfig
> +++ b/drivers/spi/Kconfig
> @@ -25,7 +25,7 @@ config DRIVER_SPI_IMX_0_0
>
> config DRIVER_SPI_IMX_0_7
> bool
> - depends on ARCH_IMX25 || ARCH_IMX35
> + depends on ARCH_IMX25 || ARCH_IMX35 || ARCH_IMX51 || ARCH_IMX53
> default y
>
> config DRIVER_SPI_IMX_2_3
> diff --git a/drivers/spi/imx_spi.c b/drivers/spi/imx_spi.c
> index c0c2ed7c49df..e43712e118b3 100644
> --- a/drivers/spi/imx_spi.c
> +++ b/drivers/spi/imx_spi.c
> @@ -564,6 +564,10 @@ static int imx_spi_probe(struct device_d *dev)
> if (cpu_is_mx51() || cpu_is_mx53() || cpu_is_mx6())
> version = SPI_IMX_VER_2_3;
> #endif
> + /* oftree knows best, so use it if it's there */
> + if (dev->of_id_entry)
> + version = dev->of_id_entry->data;
> +
> imx->chipselect = spi_imx_devtype_data[version].chipselect;
> imx->xchg_single = spi_imx_devtype_data[version].xchg_single;
> imx->init = spi_imx_devtype_data[version].init;
> @@ -584,10 +588,19 @@ err_free:
> static __maybe_unused struct of_device_id imx_spi_dt_ids[] = {
> {
> .compatible = "fsl,imx27-cspi",
> +#ifdef CONFIG_DRIVER_SPI_IMX_0_0
> + .data = SPI_IMX_VER_0_0,
> +#endif
> }, {
> .compatible = "fsl,imx35-cspi",
> +#ifdef CONFIG_DRIVER_SPI_IMX_0_7
> + .data = SPI_IMX_VER_0_7,
> +#endif
> }, {
> .compatible = "fsl,imx51-ecspi",
> +#ifdef CONFIG_DRIVER_SPI_IMX_2_3
> + .data = SPI_IMX_VER_2_3,
> +#endif
Are the ifdefs needed?
Sascha
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next prev parent reply other threads:[~2014-02-07 7:24 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-06 15:37 Lucas Stach
2014-02-06 15:37 ` [PATCH 2/4] spi: imx: correctly set GPIO chip selects on CSPI Lucas Stach
2014-02-06 15:37 ` [PATCH 3/4] spi: m25p80: sync up device list with linux 3.13 Lucas Stach
2014-02-06 15:37 ` [PATCH 4/4] spi: m25p80: detect non-jedec chips by using DT compatible Lucas Stach
2014-02-07 7:23 ` Sascha Hauer [this message]
2014-02-07 9:50 ` [PATCH 1/4] spi: imx5: allow CSPI to work Lucas Stach
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