On Wed, Jan 08, 2025 at 04:36:17PM +0530, Kartik Rajput wrote: > 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 Maybe spell out Tegra194 above for consistency? > + instance across multiple firmware. I don't know if this last sentence makes much sense in a DT bindings document, but doesn't hurt either. Maybe s/firmware/firmwares/. Thierry
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