[PATCH v3 1/2] dt-bindings: i2c-mux: Add property for settle time
From: Horatiu Vultur <horatiu.vultur@microchip.com>
Date: 2021-11-01 12:26:21
Also in:
linux-i2c, lkml
Subsystem:
i2c muxes, i2c subsystem host drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Peter Rosin, Andi Shyti, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Some HW requires some time for the signals to settle after the muxing is changed. Allow this time to be specified in device tree. Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com> --- Documentation/devicetree/bindings/i2c/i2c-mux.yaml | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/Documentation/devicetree/bindings/i2c/i2c-mux.yaml b/Documentation/devicetree/bindings/i2c/i2c-mux.yaml
index 24cac36037f5..4628ff6340c1 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-mux.yaml
+++ b/Documentation/devicetree/bindings/i2c/i2c-mux.yaml@@ -29,6 +29,12 @@ properties: '#size-cells': const: 0 + settle-time-us: + default: 0 + description: + The time required for the signals to settle. Currently only the + i2c-mux-gpmux driver supports this optional binding. + patternProperties: '^i2c@[0-9a-f]+$': $ref: /schemas/i2c/i2c-controller.yaml
--
2.33.0