linux-kernel - [PATCH 03/10] dt-bindings: iio: trigger: at91-rtc-trigger: add bindings

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Date:   Wed, 18 Dec 2019 16:23:59 +0000
From:   <Eugen.Hristev@...rochip.com>
To:     <jic23@...nel.org>, <robh+dt@...nel.org>,
        <alexandre.belloni@...tlin.com>
CC:     <Nicolas.Ferre@...rochip.com>, <linux-iio@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <linux-rtc@...r.kernel.org>,
        <a.zummo@...ertech.it>, <Ludovic.Desroches@...rochip.com>,
        <Eugen.Hristev@...rochip.com>
Subject: [PATCH 03/10] dt-bindings: iio: trigger: at91-rtc-trigger: add
 bindings

From: Eugen Hristev <eugen.hristev@...rochip.com>

Add bindings for AT91 RTC ADC Trigger hardware node.

Signed-off-by: Eugen Hristev <eugen.hristev@...rochip.com>
---
 .../bindings/iio/trigger/at91-rtc-trigger.yaml     | 44 ++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 040000 Documentation/devicetree/bindings/iio/trigger
 create mode 100644 Documentation/devicetree/bindings/iio/trigger/at91-rtc-trigger.yaml

diff --git a/Documentation/devicetree/bindings/iio/trigger/at91-rtc-trigger.yaml b/Documentation/devicetree/bindings/iio/trigger/at91-rtc-trigger.yaml
new file mode 100644
index 0000000..c8c5886
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/trigger/at91-rtc-trigger.yaml
@@ -0,0 +1,44 @@
+# SPDX-License-Identifier: GPL-2.0
+# Copyright 2019 Eugen Hristev <eugen.hristev@...il.com>
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/bindings/iio/trigger/microchip,rtc-adc-trigger.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Microchip AT91 RTC ADC Trigger (Real Time Clock to Analog to Digital Converter)
+
+maintainers:
+  - Eugen Hristev <eugen.hristev@...rochip.com>
+
+description: |
+  Bindings for the Microchip AT91 RTC ADC Trigger.
+  The Real Time Clock block inside AT91 SoCs can be connected with a direct
+  hardware line to the ADC. This line can be raised at a specific time
+  interval in order to trigger the ADC to perform conversions.
+  Datasheet can be found here: http://ww1.microchip.com/downloads/en/devicedoc/ds60001476b.pdf
+
+properties:
+  compatible:
+    enum:
+      - microchip,rtc-adc-trigger
+
+  reg:
+    description: |
+      Register map address (start address, size).
+    maxItems: 2
+
+required:
+  - compatible
+  - reg
+
+examples:
+  - |
+    {
+      #address_cells = <1>;
+      #size-cells = <1>;
+
+      rtc_adc_trigger: rtc-adc-trigger {
+        reg = <0x0 0x10>;
+        compatible = "microchip,rtc-adc-trigger";
+      };
+    };
-- 
2.7.4