linux-kernel - Re: [PATCH next v10 1/2] i2c: hisi: Add initial device tree support

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Date:   Tue, 1 Nov 2022 16:56:03 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Weilong Chen <chenweilong@...wei.com>
Cc:     yangyicong@...ilicon.com, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, wsa@...nel.org,
        f.fainelli@...il.com, jarkko.nikula@...ux.intel.com,
        jdelvare@...e.de, william.zhang@...adcom.com, jsd@...ihalf.com,
        conor.dooley@...rochip.com, phil.edworthy@...esas.com,
        tharunkumar.pasumarthi@...rochip.com, semen.protsenko@...aro.org,
        kfting@...oton.com, linux-i2c@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH next v10 1/2] i2c: hisi: Add initial device tree support

On Tue, Nov 01, 2022 at 04:07:27PM +0800, Weilong Chen wrote:
> The HiSilicon I2C controller can be used on embedded platform, which
> boot from devicetree.

Thanks, This version LGTM,
Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

> Signed-off-by: Weilong Chen <chenweilong@...wei.com>
> Acked-by: Yicong Yang <yangyicong@...ilicon.com>
> ---
> Change since v9:
> - Drop wrong use ACPI_PTR/of_match_ptr
> Link: https://lore.kernel.org/lkml/dfc1c006-61c0-8f28-6164-060347c69d04@huawei.com/T/
> 
>  drivers/i2c/busses/Kconfig    | 2 +-
>  drivers/i2c/busses/i2c-hisi.c | 7 +++++++
>  2 files changed, 8 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
> index e50f9603d189..a7bfddf08fa7 100644
> --- a/drivers/i2c/busses/Kconfig
> +++ b/drivers/i2c/busses/Kconfig
> @@ -673,7 +673,7 @@ config I2C_HIGHLANDER
>  
>  config I2C_HISI
>  	tristate "HiSilicon I2C controller"
> -	depends on (ARM64 && ACPI) || COMPILE_TEST
> +	depends on ARM64 || COMPILE_TEST
>  	help
>  	  Say Y here if you want to have Hisilicon I2C controller support
>  	  available on the Kunpeng Server.
> diff --git a/drivers/i2c/busses/i2c-hisi.c b/drivers/i2c/busses/i2c-hisi.c
> index 76c3d8f6fc3c..bcc97e4fcb65 100644
> --- a/drivers/i2c/busses/i2c-hisi.c
> +++ b/drivers/i2c/busses/i2c-hisi.c
> @@ -489,11 +489,18 @@ static const struct acpi_device_id hisi_i2c_acpi_ids[] = {
>  };
>  MODULE_DEVICE_TABLE(acpi, hisi_i2c_acpi_ids);
>  
> +static const struct of_device_id hisi_i2c_dts_ids[] = {
> +	{ .compatible = "hisilicon,ascend910-i2c", },
> +	{ }
> +};
> +MODULE_DEVICE_TABLE(of, hisi_i2c_dts_ids);
> +
>  static struct platform_driver hisi_i2c_driver = {
>  	.probe		= hisi_i2c_probe,
>  	.driver		= {
>  		.name	= "hisi-i2c",
>  		.acpi_match_table = hisi_i2c_acpi_ids,
> +		.of_match_table = hisi_i2c_dts_ids,
>  	},
>  };
>  module_platform_driver(hisi_i2c_driver);
> -- 
> 2.31.GIT
> 

-- 
With Best Regards,
Andy Shevchenko