Messages in this thread Patch in this message | | | From | Naresh Solanki <> | Subject | [PATCH 1/2] dt-binding: Add custom property for MAX7357 | Date | Wed, 30 Aug 2023 13:57:42 +0200 |
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From: Patrick Rudolph <patrick.rudolph@9elements.com>
Add a custom property "maxim,bus-lockup-fix" to enable proprietary features on MAX7357. The driver configures MAX7357 to isolate the failing channel and trigger a flush-out sequence for bus lock-up resolution.
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com> Signed-off-by: Naresh Solanki <Naresh.Solanki@9elements.com> --- .../devicetree/bindings/i2c/i2c-mux-pca954x.yaml | 15 +++++++++++++++ 1 file changed, 15 insertions(+)
diff --git a/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.yaml b/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.yaml index 2d7bb998b0e9..984d4614a270 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.yaml +++ b/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.yaml @@ -71,6 +71,11 @@ properties: description: A voltage regulator supplying power to the chip. On PCA9846 the regulator supplies power to VDD2 (core logic) and optionally to VDD1. + maxim,bus-lockup-fix: + type: boolean + description: Isolates only the stuck channel and generates a flush-out sequence + to attempt to clear the bus lock-up. + required: - compatible - reg @@ -95,6 +100,16 @@ allOf: "#interrupt-cells": false interrupt-controller: false + - if: + not: + properties: + compatible: + contains: + const: maxim,max7357 + then: + properties: + maxim,bus-lockup-fix: false + unevaluatedProperties: false examples: base-commit: f9ea75e087b81081f33e34c4e1ba8b4abe841d9f -- 2.41.0
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