From mboxrd@z Thu Jan 1 00:00:00 1970 From: Grant Likely Subject: Re: [PATCH 3/3] spi/atmel: add DT support Date: Fri, 02 Mar 2012 19:39:29 -0700 Message-ID: <20120303023929.BE8F93E2D8D@localhost> References: <1328804077-6121-1-git-send-email-plagnioj@jcrosoft.com> <1328804077-6121-3-git-send-email-plagnioj@jcrosoft.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org, devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org, Jean-Christophe PLAGNIOL-VILLARD To: Jean-Christophe PLAGNIOL-VILLARD , linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org Return-path: In-Reply-To: <1328804077-6121-3-git-send-email-plagnioj-sclMFOaUSTBWk0Htik3J/w@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: spi-devel-general-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-spi.vger.kernel.org On Thu, 9 Feb 2012 17:14:37 +0100, Jean-Christophe PLAGNIOL-VILLARD wrote: > the atmel_spi use only gpio for chip select > > Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD > Cc: devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org > Cc: spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Looks good to me; applied. g. > --- > .../devicetree/bindings/spi/spi_atmel.txt | 6 ++++++ > drivers/spi/spi-atmel.c | 12 +++++++++++- > 2 files changed, 17 insertions(+), 1 deletions(-) > create mode 100644 Documentation/devicetree/bindings/spi/spi_atmel.txt > > diff --git a/Documentation/devicetree/bindings/spi/spi_atmel.txt b/Documentation/devicetree/bindings/spi/spi_atmel.txt > new file mode 100644 > index 0000000..7ec3d8d > --- /dev/null > +++ b/Documentation/devicetree/bindings/spi/spi_atmel.txt > @@ -0,0 +1,6 @@ > +Atmel SPI device > + > +Required properties: > +- compatible : should be "atmel,at91rm9200-spi". > +- reg: Address and length of the register set for the device > +- interrupts: Should contain macb interrupt > diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c > index 16d6a83..7bcd11f 100644 > --- a/drivers/spi/spi-atmel.c > +++ b/drivers/spi/spi-atmel.c > @@ -19,6 +19,7 @@ > #include > #include > #include > +#include > > #include > #include > @@ -938,7 +939,7 @@ static int __devinit atmel_spi_probe(struct platform_device *pdev) > master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH; > > master->bus_num = pdev->id; > - master->num_chipselect = 4; > + master->num_chipselect = master->dev.of_node ? 0 : 4; > master->setup = atmel_spi_setup; > master->transfer = atmel_spi_transfer; > master->cleanup = atmel_spi_cleanup; > @@ -1064,11 +1065,20 @@ static int atmel_spi_resume(struct platform_device *pdev) > #define atmel_spi_resume NULL > #endif > > +#if defined(CONFIG_OF) > +static const struct of_device_id atmel_spi_dt_ids[] = { > + { .compatible = "atmel,at91rm9200-spi" }, > + { /* sentinel */ } > +}; > + > +MODULE_DEVICE_TABLE(of, atmel_spi_dt_ids); > +#endif > > static struct platform_driver atmel_spi_driver = { > .driver = { > .name = "atmel_spi", > .owner = THIS_MODULE, > + .of_match_table = of_match_ptr(atmel_spi_dt_ids), > }, > .suspend = atmel_spi_suspend, > .resume = atmel_spi_resume, > -- > 1.7.7 > > > ------------------------------------------------------------------------------ > Virtualization & Cloud Management Using Capacity Planning > Cloud computing makes use of virtualization - but cloud computing > also focuses on allowing computing to be delivered as a service. > http://www.accelacomm.com/jaw/sfnl/114/51521223/ > _______________________________________________ > spi-devel-general mailing list > spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org > https://lists.sourceforge.net/lists/listinfo/spi-devel-general -- email sent from notmuch.vim plugin ------------------------------------------------------------------------------ Virtualization & Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/