[PATCH RESEND 1/2] dt-bindings: i2c: nvidia,tegra20-i2c: Add Tegra256 I2C compatible
From: Akhil R <akhilrajeev@nvidia.com>
Date: 2025-08-18 04:34:24
Also in:
linux-i2c, linux-tegra, 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
Add compatible for Tegra256 I2C controllers. Tegra256 consists of 8 generic Tegra I2C controllers similar to previous generations. The parent clock frequency is different in these controllers and hence the timing parameter values are different from the previous ones. Signed-off-by: Akhil R <akhilrajeev@nvidia.com> Acked-by: Rob Herring (Arm) <robh@kernel.org> Acked-by: Thierry Reding <redacted> --- .../devicetree/bindings/i2c/nvidia,tegra20-i2c.yaml | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.yaml b/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.yaml
index 6b6f6762d122..6f58eb79a7b3 100644
--- a/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.yaml
+++ b/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.yaml@@ -80,6 +80,11 @@ properties: support for 64 KiB transactions whereas earlier chips supported no more than 4 KiB per transactions. const: nvidia,tegra194-i2c + - description: | + Tegra256 has 8 generic I2C controllers. The controllers are similar to + the previous generations, but have a different parent clock and hence + the timing parameters are configured differently. + const: nvidia,tegra256-i2c reg: maxItems: 1
@@ -186,6 +191,7 @@ allOf: contains: enum: - nvidia,tegra194-i2c + - nvidia,tegra256-i2c then: required: - resets
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2.50.1