linux-kernel - [PATCH 5/5 v2] dt-bindings: gnss: Rewrite Mediatek bindings in YAML

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Message-Id: <20220317225844.1262643-5-linus.walleij@linaro.org>
Date:   Thu, 17 Mar 2022 23:58:44 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Johan Hovold <johan@...nel.org>
Cc:     linux-kernel@...r.kernel.org,
        Linus Walleij <linus.walleij@...aro.org>,
        devicetree@...r.kernel.org, Krzysztof Kozlowski <krzk@...nel.org>
Subject: [PATCH 5/5 v2] dt-bindings: gnss: Rewrite Mediatek bindings in YAML

This rewrites the Mediatek GNSS bindings in YAML.

Cc: devicetree@...r.kernel.org
Cc: Krzysztof Kozlowski <krzk@...nel.org>
Signed-off-by: Linus Walleij <linus.walleij@...aro.org>
---
ChangeLog v1->v2:
- New patch since Krzysztof pointed out there is really just
  one more binding to convert, so why not.
---
 .../devicetree/bindings/gnss/mediatek.txt     | 35 ------------
 .../devicetree/bindings/gnss/mediatek.yaml    | 54 +++++++++++++++++++
 2 files changed, 54 insertions(+), 35 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/gnss/mediatek.txt
 create mode 100644 Documentation/devicetree/bindings/gnss/mediatek.yaml

diff --git a/Documentation/devicetree/bindings/gnss/mediatek.txt b/Documentation/devicetree/bindings/gnss/mediatek.txt
deleted file mode 100644
index 80cb802813c5..000000000000
--- a/Documentation/devicetree/bindings/gnss/mediatek.txt
+++ /dev/null
@@ -1,35 +0,0 @@
-Mediatek-based GNSS Receiver DT binding
-
-Mediatek chipsets are used in GNSS-receiver modules produced by several
-vendors and can use a UART interface.
-
-Please see Documentation/devicetree/bindings/gnss/gnss.txt for generic
-properties.
-
-Required properties:
-
-- compatible	: Must be
-
-			"globaltop,pa6h"
-
-- vcc-supply	: Main voltage regulator (pin name: VCC)
-
-Optional properties:
-
-- current-speed		: Default UART baud rate
-- gnss-fix-gpios	: GPIO used to determine device position fix state
-			  (pin name: FIX, 3D_FIX)
-- reset-gpios		: GPIO used to reset the device (pin name: RESET, NRESET)
-- timepulse-gpios	: Time pulse GPIO (pin name: PPS1, 1PPS)
-- vbackup-supply	: Backup voltage regulator (pin name: VBAT, VBACKUP)
-
-Example:
-
-serial@...4 {
-	compatible = "ns16550a";
-
-	gnss {
-		compatible = "globaltop,pa6h";
-		vcc-supply = <&vcc_3v3>;
-	};
-};
diff --git a/Documentation/devicetree/bindings/gnss/mediatek.yaml b/Documentation/devicetree/bindings/gnss/mediatek.yaml
new file mode 100644
index 000000000000..273732225c1f
--- /dev/null
+++ b/Documentation/devicetree/bindings/gnss/mediatek.yaml
@@ -0,0 +1,54 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/gnss/mediatek.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Mediatek GNSS Receiver Device Tree Bindings
+
+allOf:
+  - $ref: gnss-common.yaml#
+
+maintainers:
+  - Johan Hovold <johan@...nel.org>
+
+description:
+  Mediatek chipsets are used in GNSS-receiver modules produced by several
+  vendors and can use a UART interface.
+
+properties:
+  compatible:
+    const: globaltop,pa6h
+
+  vcc-supply:
+    description:
+      Main voltage regulator, pin name VCC.
+
+  reset-gpios:
+    maxItems: 1
+    description: An optional reset line, with names such as RESET or NRESET.
+      If the line is active low it should be flagged with GPIO_ACTIVE_LOW.
+
+  timepulse-gpios:
+    description: Comes with pin names such as PPS1 or 1PPS.
+
+  vbackup-supply:
+    description:
+      Regulator providing backup voltage, pin names such as VBAT or VBACKUP.
+
+required:
+  - compatible
+  - vcc-supply
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    serial {
+        gnss {
+            compatible = "globaltop,pa6h";
+            vcc-supply = <&vcc_3v3>;
+            reset-gpios = <&gpio 1 GPIO_ACTIVE_LOW>;
+        };
+    };
-- 
2.35.1