Grant Likely wrote at Wednesday, June 15, 2011 1:08 PM: > Allow the tegra spi driver to obtain populate the spi bus with devices
Remote "obtain"? > from the device tree. > > Signed-off-by: Grant Likely <grant.lik...@secretlab.ca> > --- > .../devicetree/bindings/spi/spi_nvidia.txt | 5 +++++ > drivers/spi/spi-tegra.c | 12 ++++++++++++ > 2 files changed, 17 insertions(+), 0 deletions(-) > create mode 100644 Documentation/devicetree/bindings/spi/spi_nvidia.txt > > diff --git a/Documentation/devicetree/bindings/spi/spi_nvidia.txt > b/Documentation/devicetree/bindings/spi/spi_nvidia.txt > new file mode 100644 > index 0000000..bde450b > --- /dev/null > +++ b/Documentation/devicetree/bindings/spi/spi_nvidia.txt > @@ -0,0 +1,5 @@ > +NVIDIA Tegra 2 SPI device > + > +Required properties: > +- compatible : should be "nvidia,tegra250-spi". > +- gpios : should specify GPIOs used for chipselect. Are things like reg, interrupts, and other general stuff implicit? I notice that fsl-spi.txt does specify those, but spi_altera.txt and spi_oc_tiny.txt don't. Otherwise, LGTM. > diff --git a/drivers/spi/spi-tegra.c b/drivers/spi/spi-tegra.c > index 8e30727..a43ceeb 100644 > --- a/drivers/spi/spi-tegra.c > +++ b/drivers/spi/spi-tegra.c > @@ -546,6 +546,7 @@ static int __init spi_tegra_probe(struct > platform_device *pdev) > tspi->rx_dma_req.req_sel = spi_tegra_req_sels[pdev->id]; > tspi->rx_dma_req.dev = tspi; > > + master->dev.of_node = pdev->dev.of_node; > ret = spi_register_master(master); > > if (ret < 0) > @@ -595,10 +596,21 @@ static int __devexit spi_tegra_remove(struct > platform_device *pdev) > > MODULE_ALIAS("platform:spi_tegra"); > > +#ifdef CONFIG_OF > +static struct of_device_id spi_tegra_of_match_table[] __devinitdata = { > + { .compatible = "nvidia,tegra250-spi", }, > + {} > +}; > +MODULE_DEVICE_TABLE(of, spi_tegra_of_match_table); > +#else /* CONFIG_OF */ > +#define spi_tegra_of_match_table NULL > +#endif /* CONFIG_OF */ > + > static struct platform_driver spi_tegra_driver = { > .driver = { > .name = "spi_tegra", > .owner = THIS_MODULE, > + .of_match_table = spi_tegra_of_match_table, > }, > .remove = __devexit_p(spi_tegra_remove), > }; -- nvpublic ------------------------------------------------------------------------------ EditLive Enterprise is the world's most technically advanced content authoring tool. Experience the power of Track Changes, Inline Image Editing and ensure content is compliant with Accessibility Checking. http://p.sf.net/sfu/ephox-dev2dev _______________________________________________ spi-devel-general mailing list spi-devel-general@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/spi-devel-general