linux-kernel - Re: [RESEND PATCH v4 1/2] dt-bindings: i2c: Add Spreadtrum I2C controller documentation

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Date:   Mon, 24 Jul 2017 14:51:46 +0800
From:   Baolin Wang <baolin.wang@...eadtrum.com>
To:     <wsa@...-dreams.de>, <mark.rutland@....com>, <robh+dt@...nel.org>
CC:     <andriy.shevchenko@...ux.intel.com>, <linux-i2c@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <broonie@...nel.org>, <baolin.wang@...aro.org>
Subject: Re: [RESEND PATCH v4 1/2] dt-bindings: i2c: Add Spreadtrum I2C
 controller documentation

Hi Wolfram,

On 五,  7月 14, 2017 at 05:01:10下午 +0800, Baolin Wang wrote:
> This patch adds the binding documentation for Spreadtrum I2C
> controller device.
> 
> Signed-off-by: Baolin Wang <baolin.wang@...eadtrum.com>
> Acked-by: Rob Herring <robh@...nel.org>
> ---
> Changes since v3:
>  - Add Ack from RobH.
> 
> Changes since v2:
>  - Change compatible strings to be SoC specific.
> 
> Changes since v1:
>  - No updates.
> ---

Could you apply this patchset if there are no other comments?
It is a long time since the v4 was send out. Thanks.

>  Documentation/devicetree/bindings/i2c/i2c-sprd.txt |   31 ++++++++++++++++++++
>  1 file changed, 31 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/i2c/i2c-sprd.txt
> 
> diff --git a/Documentation/devicetree/bindings/i2c/i2c-sprd.txt b/Documentation/devicetree/bindings/i2c/i2c-sprd.txt
> new file mode 100644
> index 0000000..60b7cda
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/i2c/i2c-sprd.txt
> @@ -0,0 +1,31 @@
> +I2C for Spreadtrum platforms
> +
> +Required properties:
> +- compatible: Should be "sprd,sc9860-i2c".
> +- reg: Specify the physical base address of the controller and length
> +  of memory mapped region.
> +- interrupts: Should contain I2C interrupt.
> +- clock-names: Should contain following entries:
> +  "i2c" for I2C clock,
> +  "source" for I2C source (parent) clock,
> +  "enable" for I2C module enable clock.
> +- clocks: Should contain a clock specifier for each entry in clock-names.
> +- clock-frequency: Constains desired I2C bus clock frequency in Hz.
> +- #address-cells: Should be 1 to describe address cells for I2C device address.
> +- #size-cells: Should be 0 means no size cell for I2C device address.
> +
> +Optional properties:
> +- Child nodes conforming to I2C bus binding
> +
> +Examples:
> +i2c0: i2c@...00000 {
> +	compatible = "sprd,sc9860-i2c";
> +	reg = <0 0x70500000 0 0x1000>;
> +	interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
> +	clock-names = "i2c", "source", "enable";
> +	clocks = <&clk_i2c3>, <&ext_26m>, <&clk_ap_apb_gates 11>;
> +	clock-frequency = <400000>;
> +	#address-cells = <1>;
> +	#size-cells = <0>;
> +};
> +
> -- 
> 1.7.9.5
>