Re: [PATCH RFT v8 2/6] ARM: pxa: Convert Spitz LEDs to GPIO descriptors

From: Bartosz Golaszewski <brgl@bgdev.pl>
To: "Duje Mihanović" <duje.mihanovic@skole.hr>
Cc: Daniel Mack <daniel@zonque.org>,
	Haojian Zhuang <haojian.zhuang@gmail.com>,
	Robert Jarzmik <robert.jarzmik@free.fr>,
	Russell King <linux@armlinux.org.uk>,
	Alan Stern <stern@rowland.harvard.edu>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Linus Walleij <linus.walleij@linaro.org>,
	Andy Shevchenko <andy@kernel.org>,
	Dmitry Torokhov <dmitry.torokhov@gmail.com>,
	Mark Brown <broonie@kernel.org>,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org,
	linux-gpio@vger.kernel.org, linux-input@vger.kernel.org,
	linux-spi@vger.kernel.org
Subject: Re: [PATCH RFT v8 2/6] ARM: pxa: Convert Spitz LEDs to GPIO descriptors
Date: Wed, 11 Oct 2023 16:21:39 +0200	[thread overview]
Message-ID: <CAMRc=McWj1RHw-um2OcCpkToxXg6R63vLGTGfMTFiMSr4WXkJg@mail.gmail.com> (raw)
In-Reply-To: <20231011-pxa-gpio-v8-2-eed08a0fcac8@skole.hr>

On Wed, Oct 11, 2023 at 3:24 PM Duje Mihanović <duje.mihanovic@skole.hr> wrote:
>
> Sharp's Spitz board still uses the legacy GPIO interface for configuring
> its two onboard LEDs.
>
> Convert them to use the GPIO descriptor interface.
>
> Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
> Signed-off-by: Duje Mihanović <duje.mihanovic@skole.hr>
> ---
>  arch/arm/mach-pxa/spitz.c | 14 ++++++++++++--
>  1 file changed, 12 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
> index 535e2b2e997b..9efd603c715a 100644
> --- a/arch/arm/mach-pxa/spitz.c
> +++ b/arch/arm/mach-pxa/spitz.c
> @@ -452,16 +452,25 @@ static inline void spitz_keys_init(void) {}
>   * LEDs
>   ******************************************************************************/
>  #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
> +static struct gpiod_lookup_table spitz_led_gpio_table = {
> +       .dev_id = "leds-gpio",
> +       .table = {
> +               GPIO_LOOKUP_IDX("pxa-gpio", SPITZ_GPIO_LED_ORANGE, NULL, 0,
> +                               GPIO_ACTIVE_HIGH),
> +               GPIO_LOOKUP_IDX("pxa-gpio", SPITZ_GPIO_LED_GREEN, NULL, 1,
> +                               GPIO_ACTIVE_HIGH),
> +               { }
> +       }
> +};
> +
>  static struct gpio_led spitz_gpio_leds[] = {
>         {
>                 .name                   = "spitz:amber:charge",
>                 .default_trigger        = "sharpsl-charge",
> -               .gpio                   = SPITZ_GPIO_LED_ORANGE,
>         },
>         {
>                 .name                   = "spitz:green:hddactivity",
>                 .default_trigger        = "disk-activity",
> -               .gpio                   = SPITZ_GPIO_LED_GREEN,
>         },
>  };
>
> @@ -480,6 +489,7 @@ static struct platform_device spitz_led_device = {
>
>  static void __init spitz_leds_init(void)
>  {
> +       gpiod_add_lookup_table(&spitz_led_gpio_table);
>         platform_device_register(&spitz_led_device);
>  }
>  #else
>
> --
> 2.42.0
>
>

Which driver consumes these GPIOs? Doesn't it need any conversion?

Bart