From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sebastian Reichel Subject: [PATCHv2] iio:light:tsl2563: Add DT support Date: Thu, 24 Oct 2013 16:27:15 +0200 Message-ID: <1382624835-10228-1-git-send-email-sre@debian.org> References: <1382565063-17083-1-git-send-email-sre@debian.org> Return-path: In-Reply-To: <1382565063-17083-1-git-send-email-sre-8fiUuRrzOP0dnm+yROfE0A@public.gmane.org> Sender: linux-iio-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Sebastian Reichel , linux-iio-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: Rob Herring , Pawel Moll , Mark Rutland , Stephen Warren , Ian Campbell , Rob Landley , Jonathan Cameron , Sebastian Reichel , Peter Meerwald , Greg Kroah-Hartman , Bill Pemberton , Sachin Kamat , devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: devicetree@vger.kernel.org Add Device Tree support for the TSL2563 driver and document the binding. Signed-off-by: Sebastian Reichel --- .../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 2cc3dad..d26c834 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 ebb962c..261660a 100644 --- a/drivers/iio/light/tsl2563.c +++ b/drivers/iio/light/tsl2563.c @@ -699,6 +699,7 @@ 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; @@ -735,6 +736,9 @@ 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_index(np, "amstaos,cover-comp-gain", 0, + &chip->cover_comp_gain); else chip->cover_comp_gain = 1; -- 1.8.4.rc3