From: Rob Herring <robh@kernel.org>
To: Clark Wang <xiaoning.wang@nxp.com>
Cc: aisheng.dong@nxp.com, shawnguo@kernel.org,
s.hauer@pengutronix.de, festevam@gmail.com,
kernel@pengutronix.de, linux-imx@nxp.com,
linux-i2c@vger.kernel.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH V2 15/18] dt-bindings: i2c: imx-lpi2c: Add dma configuration example
Date: Fri, 9 Apr 2021 11:33:13 -0500 [thread overview]
Message-ID: <20210409163313.GA3750926@robh.at.kernel.org> (raw)
In-Reply-To: <20210406113306.2633595-16-xiaoning.wang@nxp.com>
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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next prev parent reply other threads:[~2021-04-09 16:35 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-06 11:32 [PATCH V2 00/18] i2c: imx-lpi2c: New features and bug fixes Clark Wang
2021-04-06 11:32 ` [PATCH V2 01/18] i2c: imx-lpi2c: directly retrun ISR when detect a NACK Clark Wang
2021-04-06 11:32 ` [PATCH V2 02/18] i2c: imx-lpi2c: add ipg clk for lpi2c driver Clark Wang
2021-05-21 6:14 ` Aisheng Dong
2021-04-06 11:32 ` [PATCH V2 03/18] ARM: dts: imx7ulp: add the missing lpi2c ipg clock Clark Wang
2021-05-21 6:17 ` Aisheng Dong
2021-04-06 11:32 ` [PATCH V2 04/18] ARM: dts: imx7ulp: add the missing lpi2c nodes Clark Wang
2021-05-21 6:25 ` Aisheng Dong
2021-04-06 11:32 ` [PATCH V2 05/18] ARM64: dts: imx8: add the missing lpi2c ipg clock Clark Wang
2021-05-11 2:59 ` Shawn Guo
2021-05-21 6:28 ` Aisheng Dong
2021-04-06 11:32 ` [PATCH V2 06/18] ARM64: dts: imx8: change i2c irq number to non-combined Clark Wang
2021-05-21 6:32 ` Aisheng Dong
2021-04-06 11:32 ` [PATCH V2 07/18] i2c: imx-lpi2c: manage irq resource request/release in runtime pm Clark Wang
2021-05-21 6:38 ` Aisheng Dong
2021-04-06 11:32 ` [PATCH V2 08/18] i2c: imx-lpi2c: add debug message when i2c peripheral clk doesn't work Clark Wang
2021-05-21 6:43 ` Aisheng Dong
2021-04-06 11:32 ` [PATCH V2 09/18] i2c: imx-lpi2c: increase PM timeout to avoid operate clk frequently Clark Wang
2021-04-06 11:32 ` [PATCH V2 10/18] i2c: imx-lpi2c: add bus recovery feature Clark Wang
2021-04-07 0:34 ` kernel test robot
2021-05-21 6:44 ` Aisheng Dong
2021-04-06 11:32 ` [PATCH V2 11/18] dt-bindings: i2c: imx-lpi2c: Add bus recovery example Clark Wang
2021-04-06 13:24 ` Rob Herring
2021-05-21 7:02 ` Aisheng Dong
2021-04-06 11:33 ` [PATCH V2 12/18] i2c: imx-lpi2c: fix i2c timing issue Clark Wang
2021-04-06 11:33 ` [PATCH V2 13/18] i2c: imx-lpi2c: fix type char overflow issue when calculating the clock cycle Clark Wang
2021-04-06 11:33 ` [PATCH V2 14/18] i2c: imx-lpi2c: add edma mode support Clark Wang
2021-04-06 11:41 ` Clark Wang
2021-04-06 11:33 ` [PATCH V2 15/18] dt-bindings: i2c: imx-lpi2c: Add dma configuration example Clark Wang
2021-04-09 16:33 ` Rob Herring [this message]
2021-04-06 11:33 ` [PATCH V2 16/18] ARM: dts: imx7ulp: add dma configurations for lpi2c Clark Wang
2021-04-06 11:33 ` [PATCH V2 17/18] ARM: dts: imx7ulp: add the missing status property of lpi2c5 Clark Wang
2021-04-06 11:33 ` [PATCH V2 18/18] i2c: imx-lpi2c: fix pio mode cannot send 256+ bytes in one frame Clark Wang
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