linux-kernel - [PATCH 1/2] dt-bindings: iio: counter: Add Milbeaut Updown Counter

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Message-Id: <1553581989-13525-1-git-send-email-kanematsu.shinji@socionext.com>
Date:   Tue, 26 Mar 2019 15:33:09 +0900
From:   Shinji Kanematsu <kanematsu.shinji@...ionext.com>
To:     jic23@...nel.org, robh+dt@...nel.org, mark.rutland@....com
Cc:     knaack.h@....de, lars@...afoo.de, pmeerw@...erw.net,
        linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, masami.hiramatsu@...aro.org,
        jaswinder.singh@...aro.org, orito.takao@...ionext.com,
        sugaya.taichi@...ionext.com, kasai.kazuhiro@...ionext.com,
        kanematsu.shinji@...ionext.com
Subject: [PATCH 1/2] dt-bindings: iio: counter: Add Milbeaut Updown Counter

Add documentation for Milbeaut Updown Counter device
quadrature encoder and counter binding.

Signed-off-by: Shinji Kanematsu <kanematsu.shinji@...ionext.com>
---
 .../bindings/iio/counter/milbeaut-updown_cnt.txt   | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/counter/milbeaut-updown_cnt.txt

diff --git a/Documentation/devicetree/bindings/iio/counter/milbeaut-updown_cnt.txt b/Documentation/devicetree/bindings/iio/counter/milbeaut-updown_cnt.txt
new file mode 100644
index 0000000..6771567
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/counter/milbeaut-updown_cnt.txt
@@ -0,0 +1,22 @@
+SOCIONEXT Milbeaut Updown counter
+
+Required properties:
+- compatible:       Must be "socionext,milbeaut-updown-counter".
+- reg:              Offset and length of the device's register set.
+- clocks:           Phandle to the clock used by the Updown counter module.
+- clock-names:      Must be "mux".
+- interrupts:       SPI number of the device's set.
+- cms_type:         connected_device
+                     1: updown button  (updown counter mode)
+                     2: rotary encoder (phase difference counter mode)
+
+Example:
+
+	updown0: updown@...02000 {
+		compatible = "socionext,milbeaut-updown-counter";
+		reg = <0x1e002000 0x20>;
+		clocks = <&clk 4>;
+		clock-names = "mux";
+		interrupts = <0 104 0x4>;
+		cms_type = <1>;
+	};
-- 
1.9.1