| Message ID | 20220830020824.62288-2-samuel@sholland.org |
|---|---|
| State | Accepted |
| Commit | d2601193056ad9bc0dad1770b9cc492769d02777 |
| Headers | show |
| Series | [1/3] dt-bindings: i2c: mv64xxx: Document DMA properties | expand |
On Mon, Aug 29, 2022 at 09:08:22PM -0500, Samuel Holland wrote: > Allwinner's I2C offload engine includes bidirectional DMA support. Add > the properties for describing this in the devicetree. "dmas" is optional > because not all instances of the controller have their DRQs hooked up. > For example, R_I2C0 and R_I2C1 on V536 have no DRQ number assigned. > > Signed-off-by: Samuel Holland <samuel@sholland.org> Applied to for-next, thanks!
diff --git a/Documentation/devicetree/bindings/i2c/marvell,mv64xxx-i2c.yaml b/Documentation/devicetree/bindings/i2c/marvell,mv64xxx-i2c.yaml index 0ec033e48830..63d665a4f9bb 100644 --- a/Documentation/devicetree/bindings/i2c/marvell,mv64xxx-i2c.yaml +++ b/Documentation/devicetree/bindings/i2c/marvell,mv64xxx-i2c.yaml @@ -66,6 +66,19 @@ properties: resets: maxItems: 1 + dmas: + items: + - description: RX DMA Channel + - description: TX DMA Channel + + dma-names: + items: + - const: rx + - const: tx + +dependencies: + dmas: [ dma-names ] + required: - compatible - reg
Allwinner's I2C offload engine includes bidirectional DMA support. Add the properties for describing this in the devicetree. "dmas" is optional because not all instances of the controller have their DRQs hooked up. For example, R_I2C0 and R_I2C1 on V536 have no DRQ number assigned. Signed-off-by: Samuel Holland <samuel@sholland.org> --- .../bindings/i2c/marvell,mv64xxx-i2c.yaml | 13 +++++++++++++ 1 file changed, 13 insertions(+)