linux-kernel - [PATCH 08/10] leds: Add binding for Juniper's I2CS FPGA

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Date:   Fri,  7 Oct 2016 18:21:07 +0300
From:   Pantelis Antoniou <pantelis.antoniou@...sulko.com>
To:     Lee Jones <lee.jones@...aro.org>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Alexandre Courbot <gnurou@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Frank Rowand <frowand.list@...il.com>,
        Wolfram Sang <wsa@...-dreams.de>,
        Richard Purdie <rpurdie@...ys.net>,
        Jacek Anaszewski <j.anaszewski@...sung.com>,
        Jean Delvare <jdelvare@...e.com>,
        Peter Rosin <peda@...ntia.se>,
        Avirup Banerjee <abanerjee@...iper.net>,
        Georgi Vlaev <gvlaev@...iper.net>,
        Guenter Roeck <linux@...ck-us.net>,
        JawaharBalaji Thirumalaisamy <jawaharb@...iper.net>,
        Pantelis Antoniou <pantelis.antoniou@...sulko.com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-gpio@...r.kernel.org, linux-i2c@...r.kernel.org,
        linux-leds@...r.kernel.org, linux-hwmon@...r.kernel.org
Subject: [PATCH 08/10] leds: Add binding for Juniper's I2CS FPGA

From: Georgi Vlaev <gvlaev@...iper.net>

Document bindings for the I2CS FPGA leds.

Signed-off-by: Georgi Vlaev <gvlaev@...iper.net>
[Ported from Juniper kernel]
Signed-off-by: Pantelis Antoniou <pantelis.antoniou@...sulko.com>
---
 .../devicetree/bindings/leds/leds-i2cs.txt         | 34 ++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/leds/leds-i2cs.txt

diff --git a/Documentation/devicetree/bindings/leds/leds-i2cs.txt b/Documentation/devicetree/bindings/leds/leds-i2cs.txt
new file mode 100644
index 0000000..100e584
--- /dev/null
+++ b/Documentation/devicetree/bindings/leds/leds-i2cs.txt
@@ -0,0 +1,34 @@
+Juniper I2CS LED driver.
+
+This is present in Juniper platforms that use a I2CS Slave FPGA.
+
+Required properties:
+  - compatible: must be "jnx,leds-i2cs"
+  - #address-cells : must be 1.
+  - #size-cells : must be 0.
+
+Each led is represented as a sub-node of the jnx,leds-i2cs device.
+
+LED sub-node properties:
+- label : (optional) see Documentation/devicetree/bindings/leds/common.txt
+- reg : number of LED
+- linux,default-trigger : (optional)
+   see Documentation/devicetree/bindings/leds/common.txt
+
+Example:
+
+leds_fpc0: leds-jnx-i2cs {
+	compatible = "jnx,leds-i2cs";
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	fpc0-fail {
+		reg = <1>;
+		linux,default-trigger = "fpc0-fail";
+	};
+
+	fpc0-ok {
+		reg = <2>;
+		linux,default-trigger = "fpc0-ok";
+	};
+};
-- 
1.9.1