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Subject[PATCH 4/4] drivers: misc: ti_dac7512: add support for DT matching
Date
Only matching is done via DT, no other details can be passed.

Signed-off-by: Daniel Mack <zonque@gmail.com>
---
.../devicetree/bindings/misc/ti,dac7512.txt | 20 ++++++++++++++++++++
drivers/misc/ti_dac7512.c | 10 ++++++++++
2 files changed, 30 insertions(+)
create mode 100644 Documentation/devicetree/bindings/misc/ti,dac7512.txt

diff --git a/Documentation/devicetree/bindings/misc/ti,dac7512.txt b/Documentation/devicetree/bindings/misc/ti,dac7512.txt
new file mode 100644
index 0000000..1db4593
--- /dev/null
+++ b/Documentation/devicetree/bindings/misc/ti,dac7512.txt
@@ -0,0 +1,20 @@
+TI DAC7512 DEVICETREE BINDINGS
+
+Required properties:
+
+ - "compatible" Must be set to "ti,dac7512"
+
+Property rules described in Documentation/devicetree/bindings/spi/spi-bus.txt
+apply. In particular, "reg" and "spi-max-frequency" properties must be given.
+
+
+Example:
+
+ spi_master {
+ dac7512: dac7512@0 {
+ compatible = "ti,dac7512";
+ reg = <0>; /* CS0 */
+ spi-max-frequency = <1000000>;
+ };
+ };
+
diff --git a/drivers/misc/ti_dac7512.c b/drivers/misc/ti_dac7512.c
index 6393a68..83da711 100644
--- a/drivers/misc/ti_dac7512.c
+++ b/drivers/misc/ti_dac7512.c
@@ -22,6 +22,7 @@
#include <linux/module.h>
#include <linux/init.h>
#include <linux/spi/spi.h>
+#include <linux/of.h>

static ssize_t dac7512_store_val(struct device *dev,
struct device_attribute *attr,
@@ -78,10 +79,19 @@ static const struct spi_device_id dac7512_id_table[] = {
};
MODULE_DEVICE_TABLE(spi, dac7512_id_table);

+#ifdef CONFIG_OF
+static const struct of_device_id dac7512_of_match[] = {
+ { .compatible = "ti,dac7512", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, dac7512_of_match);
+#endif
+
static struct spi_driver dac7512_driver = {
.driver = {
.name = "dac7512",
.owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(dac7512_of_match),
},
.probe = dac7512_probe,
.remove = dac7512_remove,
--
1.8.3.1


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