From: Alejandro Enrique <alejandroe1@geotab.com>
U-Blox 8/M8/M9 chip have a pin to start it in safeboot mode, to be
used to recover from situations where the flash content has become
corrupted and needs to be restored. Introduce a binding to support
this safeboot pin.
Signed-off-by: Alejandro Enrique <alejandroe1@geotab.com>
---
Documentation/devicetree/bindings/gnss/u-blox,neo-6m.yaml | 20 ++++++++++++++++----
1 file changed, 16 insertions(+), 4 deletions(-)
diff --git a/Documentation/devicetree/bindings/gnss/u-blox,neo-6m.yaml b/Documentation/devicetree/bindings/gnss/u-blox,neo-6m.yaml
index 7d4b6d49e5eea2201ac05ba6d54b1c1721172f26..7589327a77da5c70bfebe57685e2a4bbfd95934c 100644
--- a/Documentation/devicetree/bindings/gnss/u-blox,neo-6m.yaml
+++ b/Documentation/devicetree/bindings/gnss/u-blox,neo-6m.yaml
@@ -6,10 +6,6 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
title: U-blox GNSS Receiver
-allOf:
- - $ref: gnss-common.yaml#
- - $ref: /schemas/serial/serial-peripheral-props.yaml#
-
maintainers:
- Johan Hovold <johan@kernel.org>
@@ -32,6 +28,9 @@ properties:
reset-gpios:
maxItems: 1
+ safeboot-gpios:
+ maxItems: 1
+
vcc-supply:
description: >
Main voltage regulator
@@ -49,6 +48,18 @@ required:
- compatible
- vcc-supply
+allOf:
+ - $ref: gnss-common.yaml#
+ - $ref: /schemas/serial/serial-peripheral-props.yaml#
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: u-blox,neo-6m
+ then:
+ properties:
+ safeboot-gpios: false
+
unevaluatedProperties: false
examples:
@@ -61,5 +72,6 @@ examples:
v-bckp-supply = <&gnss_v_bckp_reg>;
vcc-supply = <&gnss_vcc_reg>;
reset-gpios = <&gpio 1 GPIO_ACTIVE_LOW>;
+ safeboot-gpios = <&gpio 2 GPIO_ACTIVE_LOW>;
};
};
--
2.34.1