linux-kernel - Re: [PATCH next v3 1/2] gpio: hisi: Add initial device tree support

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Date:   Thu, 3 Nov 2022 20:19:42 +0800
From:   Yicong Yang <yangyicong@...wei.com>
To:     Weilong Chen <chenweilong@...wei.com>, <f.fangjian@...wei.com>
CC:     <linux-gpio@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linus.walleij@...aro.org>,
        <brgl@...ev.pl>, <yangyicong@...ilicon.com>, <robh+dt@...nel.org>,
        <xuwei5@...wei.com>, <krzysztof.kozlowski+dt@...aro.org>
Subject: Re: [PATCH next v3 1/2] gpio: hisi: Add initial device tree support

On 2022/11/1 16:24, Weilong Chen wrote:
> Add support for HiSilicon GPIO controller in embedded platform, which
> boot from devicetree.
> 
> Signed-off-by: Weilong Chen <chenweilong@...wei.com>

Reviewed-by: Yicong Yang <yangyicong@...ilicon.com>

> ---
> Change since v2:
> - Drop wrong use ACPI_PTR/of_match_ptr
> Link: https://lore.kernel.org/lkml/20221028022453.163186-1-chenweilong@huawei.com/
> 
>  drivers/gpio/Kconfig     | 2 +-
>  drivers/gpio/gpio-hisi.c | 7 +++++++
>  2 files changed, 8 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
> index e034f752e7ce..71a7880af59d 100644
> --- a/drivers/gpio/Kconfig
> +++ b/drivers/gpio/Kconfig
> @@ -310,7 +310,7 @@ config GPIO_GRGPIO
>  
>  config GPIO_HISI
>  	tristate "HiSilicon GPIO controller driver"
> -	depends on (ARM64 && ACPI) || COMPILE_TEST
> +	depends on ARM64 || COMPILE_TEST
>  	select GPIO_GENERIC
>  	select GPIOLIB_IRQCHIP
>  	help
> diff --git a/drivers/gpio/gpio-hisi.c b/drivers/gpio/gpio-hisi.c
> index 3caabef5c7a2..55bd69043bf4 100644
> --- a/drivers/gpio/gpio-hisi.c
> +++ b/drivers/gpio/gpio-hisi.c
> @@ -221,6 +221,12 @@ static const struct acpi_device_id hisi_gpio_acpi_match[] = {
>  };
>  MODULE_DEVICE_TABLE(acpi, hisi_gpio_acpi_match);
>  
> +static const struct of_device_id hisi_gpio_dts_match[] = {
> +	{ .compatible = "hisilicon,ascend910-gpio", },
> +	{ }
> +};
> +MODULE_DEVICE_TABLE(of, hisi_gpio_dts_match);
> +
>  static void hisi_gpio_get_pdata(struct device *dev,
>  				struct hisi_gpio *hisi_gpio)
>  {
> @@ -311,6 +317,7 @@ static struct platform_driver hisi_gpio_driver = {
>  	.driver		= {
>  		.name	= HISI_GPIO_DRIVER_NAME,
>  		.acpi_match_table = hisi_gpio_acpi_match,
> +		.of_match_table = hisi_gpio_dts_match,
>  	},
>  	.probe		= hisi_gpio_probe,
>  };
>