Tegra264 has 17 generic I2C controllers, two of which are in always-on partition of the SoC. In addition to the features supported by Tegra194 it also supports a MUTEX register to allow sharing the same I2C instance across multiple firmware. Document compatible string "nvidia,tegra264-i2c" for Tegra264 I2C. Signed-off-by: Kartik Rajput <kkartik@xxxxxxxxxx> --- .../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 b57ae6963e62..2a016359328e 100644 --- a/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.yaml +++ b/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.yaml @@ -80,6 +80,12 @@ properties: support for 64 KiB transactions whereas earlier chips supported no more than 4 KiB per transactions. const: nvidia,tegra194-i2c + - description: | + Tegra264 has 17 generic I2C controllers, two of which are in the AON + (always-on) partition of the SoC. In addition to the features from + T194, a MUTEX register is added to support use of the same I2C + instance across multiple firmware. + const: nvidia,tegra264-i2c reg: maxItems: 1 -- 2.43.0