On 15/10/2024 09:51, Troy Mitchell wrote: > The i2c of K1 supports fast-speed-mode and high-speed-mode, s/i2c/I2C/ > and supports FIFO transmission. > > Signed-off-by: Troy Mitchell <TroyMitchell988@xxxxxxxxx> > --- > .../bindings/i2c/spacemit,k1-i2c.yaml | 59 +++++++++++++++++++ > 1 file changed, 59 insertions(+) > create mode 100644 Documentation/devicetree/bindings/i2c/spacemit,k1-i2c.yaml > > diff --git a/Documentation/devicetree/bindings/i2c/spacemit,k1-i2c.yaml b/Documentation/devicetree/bindings/i2c/spacemit,k1-i2c.yaml > new file mode 100644 > index 000000000000..c1460ec2b323 > --- /dev/null > +++ b/Documentation/devicetree/bindings/i2c/spacemit,k1-i2c.yaml > @@ -0,0 +1,59 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/i2c/spacemit,k1-i2c.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: I2C controller embedded in SpacemiT's K1 SoC > + > +maintainers: > + - Troy Mitchell <troymitchell988@xxxxxxxxx> > + > +properties: > + compatible: > + const: spacemit,k1-i2c There is no such vendor prefix. > + > + reg: > + maxItems: 1 > + > + interrupts: > + maxItems: 1 > + > + clocks: > + maxItems: 1 > + > + clock-frequency: > + description: > + Desired I2C bus clock frequency in Hz. As only fast and high-speed > + modes are supported by hardware, possible values are 100000 and 400000. > + enum: [100000, 400000] > + default: 100000 > + > + fifo-disable: Why is this a property of a board? Also, missing vendor prefix. > + type: boolean > + description: > + Whether to disable FIFO. If FIFO is turned on, it will be interrupted > + only when the FIFO depth is reached, which can reduce the frequency > + of interruption. > + default: false Drop > + > +unevaluatedProperties: false This goes after required: block. > + > +required: > + - compatible > + - reg > + - interrupts > + - clocks > + > +examples: > + - | > + i2c0: i2c@d4010800 { Drop unused alias > + compatible = "spacemit,k1-i2c"; Best regards, Krzysztof