[PATCH v3 3/5] dt-bindings: i3c: Make 'assigned-address' valid if static address == 0
From: Vitor Soares <hidden>
Date: 2019-09-05 10:00:58
Also in:
linux-i3c, lkml
Subsystem:
i3c subsystem, open firmware and flattened device tree bindings, the rest · Maintainers:
Alexandre Belloni, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
The I3C devices without a static address can require a specific dynamic address for priority reasons. Let's update the binding document to make the 'assigned-address' property valid if static address == 0 and add an example with this use case. Signed-off-by: Vitor Soares <redacted> Reviewed-by: Rob Herring <robh@kernel.org> --- Change in v3: - Add Rob rb-tag Change in v2: - Fix typo in commit message Documentation/devicetree/bindings/i3c/i3c.txt | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-)
diff --git a/Documentation/devicetree/bindings/i3c/i3c.txt b/Documentation/devicetree/bindings/i3c/i3c.txt
index ab729a0..c851e75 100644
--- a/Documentation/devicetree/bindings/i3c/i3c.txt
+++ b/Documentation/devicetree/bindings/i3c/i3c.txt@@ -98,9 +98,7 @@ Required properties Optional properties ------------------- -- assigned-address: dynamic address to be assigned to this device. This - property is only valid if the I3C device has a static - address (first cell of the reg property != 0). +- assigned-address: dynamic address to be assigned to this device. Example:
@@ -129,6 +127,15 @@ Example: /* * I3C device without a static I2C address but requiring + * specific dynamic address. + */ + sensor@0,39200154004 { + reg = <0x0 0x6072 0x303904d2>; + assigned-address = <0xb>; + }; + + /* + * I3C device without a static I2C address but requiring * resources described in the DT. */ sensor@0,39200154004 {
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2.7.4