diff options
| -rw-r--r-- | Documentation/devicetree/bindings/misc/lis302.txt | 36 | ||||
| -rw-r--r-- | drivers/misc/lis3lv02d/lis3lv02d_i2c.c | 23 |
2 files changed, 59 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/misc/lis302.txt b/Documentation/devicetree/bindings/misc/lis302.txt index e18af9d19793..6def86f6b053 100644 --- a/Documentation/devicetree/bindings/misc/lis302.txt +++ b/Documentation/devicetree/bindings/misc/lis302.txt @@ -11,6 +11,12 @@ Required properties for the SPI bindings: constrained by external circuitry - interrupts: the interrupt generated by the device +Required properties for the I2C bindings: + - compatible: should be set to "st,lis3lv02d" + - reg: i2c slave address + - Vdd-supply: The input supply for Vdd + - Vdd_IO-supply: The input supply for Vdd_IO + Optional properties for all bus drivers: @@ -74,3 +80,33 @@ Example for a SPI device node: st,wakeup-z-hi; }; +Example for a I2C device node: + + lis331dlh: lis331dlh@18 { + compatible = "st,lis331dlh", "st,lis3lv02d"; + reg = <0x18>; + Vdd-supply = <&lis3_reg>; + Vdd_IO-supply = <&lis3_reg>; + + st,click-single-x; + st,click-single-y; + st,click-single-z; + st,click-thresh-x = <10>; + st,click-thresh-y = <10>; + st,click-thresh-z = <10>; + st,irq1-click; + st,irq2-click; + st,wakeup-x-lo; + st,wakeup-x-hi; + st,wakeup-y-lo; + st,wakeup-y-hi; + st,wakeup-z-lo; + st,wakeup-z-hi; + st,min-limit-x = <120>; + st,min-limit-y = <120>; + st,min-limit-z = <140>; + st,max-limit-x = <550>; + st,max-limit-y = <550>; + st,max-limit-z = <750>; + }; + diff --git a/drivers/misc/lis3lv02d/lis3lv02d_i2c.c b/drivers/misc/lis3lv02d/lis3lv02d_i2c.c index 2c0a1148ee22..60ec8689d6e3 100644 --- a/drivers/misc/lis3lv02d/lis3lv02d_i2c.c +++ b/drivers/misc/lis3lv02d/lis3lv02d_i2c.c @@ -31,6 +31,10 @@ #include <linux/i2c.h> #include <linux/pm_runtime.h> #include <linux/delay.h> +#include <linux/of.h> +#include <linux/of_platform.h> +#include <linux/of_device.h> + #include "lis3lv02d.h" #define DRV_NAME "lis3lv02d_i2c" @@ -102,12 +106,30 @@ static int lis3_i2c_init(struct lis3lv02d *lis3) static union axis_conversion lis3lv02d_axis_map = { .as_array = { LIS3_DEV_X, LIS3_DEV_Y, LIS3_DEV_Z } }; +#ifdef CONFIG_OF +static struct of_device_id lis3lv02d_i2c_dt_ids[] = { + { .compatible = "st,lis3lv02d" }, + {} +}; +MODULE_DEVICE_TABLE(of, lis3lv02d_i2c_dt_ids); +#endif + static int __devinit lis3lv02d_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id) { int ret = 0; struct lis3lv02d_platform_data *pdata = client->dev.platform_data; +#ifdef CONFIG_OF + if (of_match_device(lis3lv02d_i2c_dt_ids, &client->dev)) { + lis3_dev.of_node = client->dev.of_node; + ret = lis3lv02d_init_dt(&lis3_dev); + if (ret) + return ret; + pdata = lis3_dev.pdata; + } +#endif + if (pdata) { if ((pdata->driver_features & LIS3_USE_BLOCK_READ) && (i2c_check_functionality(client->adapter, @@ -255,6 +277,7 @@ static struct i2c_driver lis3lv02d_i2c_driver = { .name = DRV_NAME, .owner = THIS_MODULE, .pm = &lis3_pm_ops, + .of_match_table = of_match_ptr(lis3lv02d_i2c_dt_ids), }, .probe = lis3lv02d_i2c_probe, .remove = __devexit_p(lis3lv02d_i2c_remove), |