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authorThierry Reding <thierry.reding@avionic-design.de>2012-04-13 17:08:08 +0400
committerJoerg Roedel <joerg.roedel@amd.com>2012-04-16 15:57:16 +0400
commit7cffae421e3cd29410ef4d75f2244655fdde3b60 (patch)
tree7d618d7d3600bb21de11aa976ec5795188f563a5 /drivers/iommu
parent543f3f33b6165585f755858baaa95530513f5c1e (diff)
downloadlinux-7cffae421e3cd29410ef4d75f2244655fdde3b60.tar.xz
iommu: tegra/gart: Add device tree support
This commit adds device tree support for the GART hardware available on NVIDIA Tegra 20 SoCs. Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de> Acked-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'drivers/iommu')
-rw-r--r--drivers/iommu/tegra-gart.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/iommu/tegra-gart.c b/drivers/iommu/tegra-gart.c
index f6bc1e67e1a3..40533bba6254 100644
--- a/drivers/iommu/tegra-gart.c
+++ b/drivers/iommu/tegra-gart.c
@@ -29,6 +29,7 @@
#include <linux/device.h>
#include <linux/io.h>
#include <linux/iommu.h>
+#include <linux/of.h>
#include <asm/cacheflush.h>
@@ -422,6 +423,14 @@ const struct dev_pm_ops tegra_gart_pm_ops = {
.resume = tegra_gart_resume,
};
+#ifdef CONFIG_OF
+static struct of_device_id tegra_gart_of_match[] __devinitdata = {
+ { .compatible = "nvidia,tegra20-gart", },
+ { },
+};
+MODULE_DEVICE_TABLE(of, tegra_gart_of_match);
+#endif
+
static struct platform_driver tegra_gart_driver = {
.probe = tegra_gart_probe,
.remove = tegra_gart_remove,
@@ -429,6 +438,7 @@ static struct platform_driver tegra_gart_driver = {
.owner = THIS_MODULE,
.name = "tegra-gart",
.pm = &tegra_gart_pm_ops,
+ .of_match_table = of_match_ptr(tegra_gart_of_match),
},
};
@@ -448,4 +458,5 @@ module_exit(tegra_gart_exit);
MODULE_DESCRIPTION("IOMMU API for GART in Tegra20");
MODULE_AUTHOR("Hiroshi DOYU <hdoyu@nvidia.com>");
+MODULE_ALIAS("platform:tegra-gart");
MODULE_LICENSE("GPL v2");