From: Kartik Rajput Date: Thu, 28 Aug 2025 05:59:29 +0000 (+0530) Subject: dt-bindings: i2c: nvidia,tegra20-i2c: Document Tegra264 I2C X-Git-Tag: v6.18-rc1~147^2~26^2~5 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=804ebc2bdcc85f30973708835b47ee023a4be003;p=thirdparty%2Flinux.git dt-bindings: i2c: nvidia,tegra20-i2c: Document Tegra264 I2C 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 SW 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 Acked-by: Conor Dooley Signed-off-by: Thierry Reding --- diff --git a/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.yaml b/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.yaml index 6b6f6762d122f..f0693b872cb6b 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 + Tegra194, a SW mutex register is added to support use of the same I2C + instance across multiple firmwares. + const: nvidia,tegra264-i2c reg: maxItems: 1 @@ -186,6 +192,7 @@ allOf: contains: enum: - nvidia,tegra194-i2c + - nvidia,tegra264-i2c then: required: - resets