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authorViresh Kumar <viresh.linux@gmail.com>2012-04-20 20:15:34 +0530
committerVinod Koul <vinod.koul@linux.intel.com>2012-05-11 10:43:40 +0530
commitd3f797d93e593aa891f5b04a404b4ab45fd0e66a (patch)
treecc1c68e6b61074a6e7094309213657758c6fbbe4 /drivers/dma/dw_dmac.c
parent3075528d3dd1ac8b729fccf2cbc3119057088223 (diff)
dmaengine: dw_dma: add Device Tree probing capability
SPEAr platforms now support DT and so must convert all drivers to support DT. This patch adds DT probing support for Synopsys DMA controller and updates its documentation too. Signed-off-by: Viresh Kumar <viresh.kumar@st.com> Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
Diffstat (limited to 'drivers/dma/dw_dmac.c')
-rw-r--r--drivers/dma/dw_dmac.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c
index 300d976b6661..13b92983b241 100644
--- a/drivers/dma/dw_dmac.c
+++ b/drivers/dma/dw_dmac.c
@@ -17,6 +17,7 @@
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/io.h>
+#include <linux/of.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/platform_device.h>
@@ -1592,12 +1593,21 @@ static const struct dev_pm_ops dw_dev_pm_ops = {
.poweroff_noirq = dw_suspend_noirq,
};
+#ifdef CONFIG_OF
+static const struct of_device_id dw_dma_id_table[] = {
+ { .compatible = "snps,dma-spear1340" },
+ {}
+};
+MODULE_DEVICE_TABLE(of, dw_dma_id_table);
+#endif
+
static struct platform_driver dw_driver = {
.remove = __exit_p(dw_remove),
.shutdown = dw_shutdown,
.driver = {
.name = "dw_dmac",
.pm = &dw_dev_pm_ops,
+ .of_match_table = of_match_ptr(dw_dma_id_table),
},
};