[PATCH 1/2] dt-bindings: i2c: tegra: Add SMBus feature properties
From: Akhil R <akhilrajeev@nvidia.com>
Date: 2021-12-09 15:06:02
Also in:
dri-devel, linux-devicetree, linux-i2c, linux-media, lkml
Subsystem:
i2c subsystem host drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Andi Shyti, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Tegra I2C can use a gpio as an smbus-alert. Document the usage of the same. Signed-off-by: Akhil R <akhilrajeev@nvidia.com> --- Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.txt | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.txt b/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.txt
index 3f2f990..71ee79b 100644
--- a/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.txt
+++ b/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.txt@@ -70,6 +70,10 @@ Required properties: - rx - tx +optional properties: +- smbalert-gpio: Must contain an entry for the gpio to be used as smbus alert. + It will be used only if optional smbus-alert property is present. + Example: i2c@7000c000 {
--
2.7.4