[PATCH] drm/exynos: Add device tree based discovery support for Exynos G2D

[Olof Johansson]

Hi,

On Thu, Dec 27, 2012 at 8:00 PM, Ajay Kumar <ajaykumar.rs at samsung.com> wrote:
> This patch adds device tree match table for Exynos G2D controller.
>
> Signed-off-by: Ajay Kumar <ajaykumar.rs at samsung.com>
> ---
>  drivers/gpu/drm/exynos/exynos_drm_g2d.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)
>
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/drivers/gpu/drm/exynos/exynos_drm_g2d.c
> index 6ffa076..aa3d2e4 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_g2d.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c
> @@ -19,6 +19,7 @@
>  #include <linux/workqueue.h>
>  #include <linux/dma-mapping.h>
>  #include <linux/dma-attrs.h>
> +#include <linux/of.h>
>
>  #include <drm/drmP.h>
>  #include <drm/exynos_drm.h>
> @@ -1240,6 +1241,14 @@ static int g2d_resume(struct device *dev)
>
>  static SIMPLE_DEV_PM_OPS(g2d_pm_ops, g2d_suspend, g2d_resume);
>
> +#ifdef CONFIG_OF
> +static const struct of_device_id exynos_g2d_match[] = {
> +       { .compatible = "samsung,exynos-g2d-41" },

What does -41 signify here?

> +       {},
> +};
> +MODULE_DEVICE_TABLE(of, exynos_g2d_match);
> +#endif
> +
>  struct platform_driver g2d_driver = {
>         .probe          = g2d_probe,
>         .remove         = __devexit_p(g2d_remove),
> @@ -1247,5 +1256,6 @@ struct platform_driver g2d_driver = {
>                 .name   = "s5p-g2d",
>                 .owner  = THIS_MODULE,
>                 .pm     = &g2d_pm_ops,
> +               .of_match_table = of_match_ptr(exynos_g2d_match),

Please provide bindings update, and cc devicetree-discuss for these
kind of patches.


-Olof