linux-kernel - [PATCH v2 4/4] media: dt-bindings: Add binding for si470x radio

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Message-Id: <20181207135812.12842-5-pawel.mikolaj.chmiel@gmail.com>
Date:   Fri,  7 Dec 2018 14:58:12 +0100
From:   Paweł Chmiel <pawel.mikolaj.chmiel@...il.com>
To:     mchehab@...nel.org, robh+dt@...nel.org, mark.rutland@....com
Cc:     hverkuil@...all.nl, fischerdouglasc@...il.com,
        keescook@...omium.org, linux-media@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        Paweł Chmiel <pawel.mikolaj.chmiel@...il.com>
Subject: [PATCH v2 4/4] media: dt-bindings: Add binding for si470x radio

Add device tree bindings for si470x family radio receiver driver.

Signed-off-by: Paweł Chmiel <pawel.mikolaj.chmiel@...il.com>
---
Changes from v1:
	- squashed with patch adding reset-gpio documentation
---
 .../devicetree/bindings/media/si470x.txt      | 26 +++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/media/si470x.txt

diff --git a/Documentation/devicetree/bindings/media/si470x.txt b/Documentation/devicetree/bindings/media/si470x.txt
new file mode 100644
index 000000000000..a9403558362e
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/si470x.txt
@@ -0,0 +1,26 @@
+* Silicon Labs FM Radio receiver
+
+The Silicon Labs Si470x is family of FM radio receivers with receive power scan
+supporting 76-108 MHz, programmable through an I2C interface.
+Some of them includes an RDS encoder.
+
+Required Properties:
+- compatible: Should contain "silabs,si470x"
+- reg: the I2C address of the device
+
+Optional Properties:
+- interrupts : The interrupt number
+- reset-gpios: GPIO specifier for the chips reset line
+
+Example:
+
+&i2c2 {
+        si470x@63 {
+                compatible = "silabs,si470x";
+                reg = <0x63>;
+
+                interrupt-parent = <&gpj2>;
+                interrupts = <4 IRQ_TYPE_EDGE_FALLING>;
+                reset-gpios = <&gpj2 5 GPIO_ACTIVE_HIGH>;
+        };
+};
-- 
2.17.1