Re: [PATCH V2 15/18] dt-bindings: i2c: imx-lpi2c: Add dma configuration example
From: Rob Herring <robh@kernel.org>
Date: 2021-04-09 16:33:25
Also in:
linux-devicetree, linux-i2c, lkml
From: Rob Herring <robh@kernel.org>
Date: 2021-04-09 16:33:25
Also in:
linux-devicetree, linux-i2c, lkml
On Tue, Apr 06, 2021 at 07:33:03PM +0800, Clark Wang wrote:
Add i2c bus dma mode configuration example. Signed-off-by: Clark Wang <xiaoning.wang@nxp.com> --- V2 changes: - New patch added in V2 --- .../devicetree/bindings/i2c/i2c-imx-lpi2c.yaml | 12 ++++++++++++ 1 file changed, 12 insertions(+)diff --git a/Documentation/devicetree/bindings/i2c/i2c-imx-lpi2c.yaml b/Documentation/devicetree/bindings/i2c/i2c-imx-lpi2c.yaml index 0a4b28827dcc..3868fec0cf27 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-imx-lpi2c.yaml +++ b/Documentation/devicetree/bindings/i2c/i2c-imx-lpi2c.yaml@@ -51,6 +51,16 @@ properties: sda-gpios: maxItems: 1 + dmas: + minItems: 2 + maxItems: 2 + + dma-names: + minItems: 2 + maxItems: 2 + items: + enum: [ "tx", "rx" ]
Please define the order: items: - const: tx - const: rx
+ required: - compatible - reg@@ -75,4 +85,6 @@ examples: pinctrl-1 = <&pinctrl_i2c_recovery>; scl-gpios = <&gpio5 14 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; sda-gpios = <&gpio5 15 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + dmas = <&edma1 0 16>, <&edma1 0 15>; + dma-names = "tx","rx"; };-- 2.25.1
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