linux-kernel - [PATCH 3/3] media: kt0913: device tree binding

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Date:   Mon, 31 Aug 2020 19:06:01 -0300
From:   Santiago Hormazabal <santiagohssl@...il.com>
To:     linux-media@...r.kernel.org, devicetree@...r.kernel.org,
        Rob Herring <robh+dt@...nel.org>,
        Ezequiel Garcia <ezequiel@...labora.com>,
        Hans Verkuil <hverkuil@...all.nl>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        linux-kernel@...r.kernel.org
Cc:     Santiago Hormazabal <santiagohssl@...il.com>
Subject: [PATCH 3/3] media: kt0913: device tree binding

Document bindings for the kt0913 AM/FM radio tuner.

Signed-off-by: Santiago Hormazabal <santiagohssl@...il.com>
---
 .../bindings/media/i2c/ktm,kt0913.yaml        | 56 +++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/media/i2c/ktm,kt0913.yaml

diff --git a/Documentation/devicetree/bindings/media/i2c/ktm,kt0913.yaml b/Documentation/devicetree/bindings/media/i2c/ktm,kt0913.yaml
new file mode 100644
index 000000000000..2c3d1795da43
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/i2c/ktm,kt0913.yaml
@@ -0,0 +1,56 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (c) 2020 Santiago Hormazabal <santiagohssl@...il.com>
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/ktm,kt0913.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Device-Tree bindings for the KTMicro KT0913 FM/AM radio tuner.
+
+maintainers:
+  - Santiago Hormazabal <santiagohssl@...il.com>
+
+description: |-
+  The KT0913 is a low cost, low components FM/AM radio chip.
+  It uses the I2C protocol for operation.
+
+properties:
+  compatible:
+    const: ktm,kt0913
+
+  reg:
+    description: I2C device address
+    const: 0x35
+
+  ktm,anti-pop:
+    description:  |
+      Selects the DAC Anti-Pop capacitor. Possible values are
+      0 thru 3, which corresponds to 100uF (default), 60uF, 20uF or 10uF.
+    $ref: "/schemas/types.yaml#/definitions/uint32"
+    enum: [0, 1, 2, 3]
+
+  ktm,refclk:
+    description:  |
+      Selects the reference clock used on the KT0913. Possible
+      values are 0 thru 9, which corresponds to 32.768kHz (default),
+      6.5MHz, 7.6MHz, 12MHz, 13MHz, 15.2MHz, 19.2MHz, 24MHz, 26MHz, 38kHz.
+    $ref: "/schemas/types.yaml#/definitions/uint32"
+    enum: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+        kt0913: fm-am-tuner@35 {
+            compatible = "ktm,kt0913";
+            reg = <0x35>;
+            ktm,anti-pop = <0x01>;
+            ktm,refclk = <0x00>;
+        };
+    };
+...
-- 
2.24.1