linux-kernel - [PATCH v4 2/3] dt-bindings: gnss: u-blox: add "reset-gpios" binding

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Message-Id: <20231103225601.6499-3-wsa+renesas@sang-engineering.com>
Date:   Fri,  3 Nov 2023 23:55:59 +0100
From:   Wolfram Sang <wsa+renesas@...g-engineering.com>
To:     linux-renesas-soc@...r.kernel.org
Cc:     Wolfram Sang <wsa+renesas@...g-engineering.com>,
        Conor Dooley <conor.dooley@...rochip.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Johan Hovold <johan@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v4 2/3] dt-bindings: gnss: u-blox: add "reset-gpios" binding

The Renesas KingFisher board includes a U-Blox Neo-M8 chip. This chip
has a reset pin which is also wired on the board. Introduce a binding to
support this reset pin.

Signed-off-by: Wolfram Sang <wsa+renesas@...g-engineering.com>
Acked-by: Conor Dooley <conor.dooley@...rochip.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>
---
 Documentation/devicetree/bindings/gnss/u-blox,neo-6m.yaml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/gnss/u-blox,neo-6m.yaml b/Documentation/devicetree/bindings/gnss/u-blox,neo-6m.yaml
index 4835a280b3bf..8e97e475613f 100644
--- a/Documentation/devicetree/bindings/gnss/u-blox,neo-6m.yaml
+++ b/Documentation/devicetree/bindings/gnss/u-blox,neo-6m.yaml
@@ -41,6 +41,9 @@ properties:
     description: >
       Backup voltage regulator
 
+  reset-gpios:
+    maxItems: 1
+
 required:
   - compatible
   - vcc-supply
@@ -49,10 +52,12 @@ unevaluatedProperties: false
 
 examples:
   - |
+    #include <dt-bindings/gpio/gpio.h>
     serial {
         gnss {
             compatible = "u-blox,neo-8";
             v-bckp-supply = <&gnss_v_bckp_reg>;
             vcc-supply = <&gnss_vcc_reg>;
+            reset-gpios = <&gpio 1 GPIO_ACTIVE_LOW>;
         };
     };
-- 
2.35.1