From 8175bff5b47eae171a393f5bd67673de50630973 Mon Sep 17 00:00:00 2001 From: Sebastian Reichel Date: Fri, 25 Oct 2013 10:10:00 +0100 Subject: [PATCH] iio:light:tsl2563: Add DT support Add Device Tree support for the TSL2563 driver, document the binding and add AMS-TAOS Inc. to the list of vendor prefixes. Signed-off-by: Sebastian Reichel Acked-by: Kumar Gala Signed-off-by: Jonathan Cameron --- .../devicetree/bindings/iio/light/tsl2563.txt | 19 +++++++++++++++++++ Documentation/devicetree/bindings/vendor-prefixes.txt | 1 + drivers/iio/light/tsl2563.c | 4 ++++ 3 files changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/light/tsl2563.txt diff --git a/Documentation/devicetree/bindings/iio/light/tsl2563.txt b/Documentation/devicetree/bindings/iio/light/tsl2563.txt new file mode 100644 index 0000000..f91e809 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/light/tsl2563.txt @@ -0,0 +1,19 @@ +* AMS TAOS TSL2563 ambient light sensor + +Required properties: + + - compatible : should be "amstaos,tsl2563" + - reg : the I2C address of the sensor + +Optional properties: + + - amstaos,cover-comp-gain : integer used as multiplier for gain + compensation (default = 1) + +Example: + +tsl2563@29 { + compatible = "amstaos,tsl2563"; + reg = <0x29>; + amstaos,cover-comp-gain = <16>; +}; diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt index 04eab45..b65a440 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.txt +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt @@ -9,6 +9,7 @@ aeroflexgaisler Aeroflex Gaisler AB ak Asahi Kasei Corp. altr Altera Corp. amcc Applied Micro Circuits Corporation (APM, formally AMCC) +amstaos AMS-Taos Inc. apm Applied Micro Circuits Corporation (APM) arm ARM Ltd. atmel Atmel Corporation diff --git a/drivers/iio/light/tsl2563.c b/drivers/iio/light/tsl2563.c index 5e5d9de..0c6e459 100644 --- a/drivers/iio/light/tsl2563.c +++ b/drivers/iio/light/tsl2563.c @@ -714,6 +714,7 @@ static int tsl2563_probe(struct i2c_client *client, struct iio_dev *indio_dev; struct tsl2563_chip *chip; struct tsl2563_platform_data *pdata = client->dev.platform_data; + struct device_node *np = client->dev.of_node; int err = 0; u8 id = 0; @@ -750,6 +751,9 @@ static int tsl2563_probe(struct i2c_client *client, if (pdata) chip->cover_comp_gain = pdata->cover_comp_gain; + else if (np) + of_property_read_u32(np, "amstaos,cover-comp-gain", + &chip->cover_comp_gain); else chip->cover_comp_gain = 1; -- 2.7.4