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[v2,1/2] dt-bindings: i2c: i2c-mux-pca954x: Define the reset-shared-hogged gpio

Message ID 20210727160315.15575-2-eajames@linux.ibm.com
State New
Headers show
Series i2c: mux: pca954x: Support multiple devices on a single reset line | expand

Commit Message

Eddie James July 27, 2021, 4:03 p.m. UTC 
Add a property to describe a reset input that is shared between multiple
PCA953x muxes.

Signed-off-by: Eddie James <eajames@linux.ibm.com>
---
 Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.yaml | 5 +++++
 1 file changed, 5 insertions(+)
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Patch

diff --git a/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.yaml b/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.yaml
index 9f1726d0356b..06b9f8385bd7 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.yaml
+++ b/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.yaml
@@ -49,6 +49,11 @@  properties:
   reset-gpios:
     maxItems: 1
 
+  reset-shared-hogged-gpios:
+    maxItems: 1
+    description: Reference to a shared, hogged GPIO connected to the reset
+      input of several PCA954x muxes.
+
   i2c-mux-idle-disconnect:
     type: boolean
     description: Forces mux to disconnect all children in idle state. This is