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SubjectRe: [PATCH 1/2] Documentation: devicetree: Add i2c binding for mediatek MT2701 Soc Platform
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On 01/18/2017 07:07 AM, Jun Gao wrote:
> From: Jun Gao <jun.gao@mediatek.com>
>
> This add i2c DT binding to i2c-mt6577.txt for MT2701.
>
> Signed-off-by: Jun Gao <jun.gao@mediatek.com>
> ---
> .../devicetree/bindings/i2c/i2c-mt6577.txt | 11 ++++++-----
> 1 file changed, 6 insertions(+), 5 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/i2c/i2c-mt6577.txt
> b/Documentation/devicetree/bindings/i2c/i2c-mt6577.txt
> index 0ce6fa3..ef22ecf 100644
> --- a/Documentation/devicetree/bindings/i2c/i2c-mt6577.txt
> +++ b/Documentation/devicetree/bindings/i2c/i2c-mt6577.txt
> @@ -4,11 +4,12 @@ The Mediatek's I2C controller is used to interface with
> I2C devices.
>
> Required properties:
> - compatible: value should be either of the following.
> - (a) "mediatek,mt6577-i2c", for i2c compatible with mt6577 i2c.
> - (b) "mediatek,mt6589-i2c", for i2c compatible with mt6589 i2c.
> - (c) "mediatek,mt8127-i2c", for i2c compatible with mt8127 i2c.
> - (d) "mediatek,mt8135-i2c", for i2c compatible with mt8135 i2c.
> - (e) "mediatek,mt8173-i2c", for i2c compatible with mt8173 i2c.
> + "mediatek,mt2701-i2c", for i2c compatible with mt2701 i2c.
> + "mediatek,mt6577-i2c", for i2c compatible with mt6577 i2c.
> + "mediatek,mt6589-i2c", for i2c compatible with mt6589 i2c.
> + "mediatek,mt8127-i2c", for i2c compatible with mt8127 i2c.
> + "mediatek,mt8135-i2c", for i2c compatible with mt8135 i2c.
> + "mediatek,mt8173-i2c", for i2c compatible with mt8173 i2c.
> - reg: physical base address of the controller and dma base, length of
> memory
> mapped region.
> - interrupts: interrupt number to the cpu.
>

Actually what you need for mt2701 is what you put into the dts file:
compatible = "mediatek,mt2701-i2c", "mediatek,mt6577-i2c";

"mediatek,mt2701-i2c" alone is not supported in the driver.

While at it would you mind to fix the bindings description for the other
SoCs as well?

Thanks,
Matthias

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