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| author | Thierry Reding <treding@nvidia.com> | 2019-06-07 15:58:34 +0200 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2020-05-12 22:47:36 +0200 |
| commit | 4e79691d050e6d06ee7fa09002c52dd1ce9ac6e6 (patch) | |
| tree | 2e265916271810e8ce8ed4237400178aec5641bb /Documentation/devicetree/bindings/i2c | |
| parent | 0aade33dde361074551ed8f2db02a172c01216e0 (diff) | |
| download | lwn-4e79691d050e6d06ee7fa09002c52dd1ce9ac6e6.tar.gz lwn-4e79691d050e6d06ee7fa09002c52dd1ce9ac6e6.zip | |
dt-bindings: i2c: tegra: Document Tegra210 VI I2C
The Tegra210 features an instance of the Tegra I2C controller that is
part of the host1x domain and typically used for camera use-cases. It
uses pretty much the same programming model but the registers are laid
out differently.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'Documentation/devicetree/bindings/i2c')
| -rw-r--r-- | Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.txt | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.txt b/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.txt index f64064f8bdc2..18c0de362451 100644 --- a/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.txt +++ b/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.txt @@ -35,6 +35,12 @@ Required properties: Due to above changes, Tegra114 I2C driver makes incompatible with previous hardware driver. Hence, tegra114 I2C controller is compatible with "nvidia,tegra114-i2c". + nvidia,tegra210-i2c-vi: Tegra210 has one I2C controller that is part of the + host1x domain and typically used for camera use-cases. This VI I2C + controller is mostly compatible with the programming model of the + regular I2C controllers with a few exceptions. The I2C registers start + at an offset of 0xc00 (instead of 0), registers are 16 bytes apart + (rather than 4) and the controller does not support slave mode. - reg: Should contain I2C controller registers physical address and length. - interrupts: Should contain I2C controller interrupts. - address-cells: Address cells for I2C device address. |