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From: Bartosz Golaszewski <bgolaszewski@baylibre.com>
To: Jan Kiszka <jan.kiszka@web.de>
Cc: Linus Walleij <linus.walleij@linaro.org>,
	linux-gpio <linux-gpio@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] gpio: pca953x: Add support for the PCAL9535
Date: Mon, 15 Jun 2020 10:07:04 +0200	[thread overview]
Message-ID: <CAMpxmJWgb_s2QgSsdw8_8gTF+hQSLHiXNMiu1-wj3Bct7L5ceQ@mail.gmail.com> (raw)
In-Reply-To: <53b5504b-dd06-c1d5-5334-d4c5525eca93@web.de>

sob., 13 cze 2020 o 16:44 Jan Kiszka <jan.kiszka@web.de> napisał(a):
>
> From: Jan Kiszka <jan.kiszka@siemens.com>
>
> The PCAL9535 [1] is compatible to the PCA9535. Additionally, it comes
> with interrupt support and input latching. Other features are not
> supported by the GPIO subsystem.
>
> [1] https://www.nxp.com/docs/en/data-sheet/PCAL9535A.pdf
>
> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
> ---
>  drivers/gpio/gpio-pca953x.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
> index 1fca8dd7824f..34d635e51dda 100644
> --- a/drivers/gpio/gpio-pca953x.c
> +++ b/drivers/gpio/gpio-pca953x.c
> @@ -1131,6 +1131,7 @@ static const struct of_device_id pca953x_dt_ids[] = {
>         { .compatible = "nxp,pca9505", .data = OF_953X(40, PCA_INT), },
>         { .compatible = "nxp,pca9534", .data = OF_953X( 8, PCA_INT), },
>         { .compatible = "nxp,pca9535", .data = OF_953X(16, PCA_INT), },
> +       { .compatible = "nxp,pcal9535", .data = OF_953X(16, PCA_LATCH_INT), },
>         { .compatible = "nxp,pca9536", .data = OF_953X( 4, 0), },
>         { .compatible = "nxp,pca9537", .data = OF_953X( 4, PCA_INT), },
>         { .compatible = "nxp,pca9538", .data = OF_953X( 8, PCA_INT), },
> --
> 2.26.2
>

There should be a corresponding device-tree bindings change in the
same series but in a separate patch.

Bartosz

  reply	other threads:[~2020-06-15  8:07 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-13 14:39 [PATCH] gpio: pca953x: Add support for the PCAL9535 Jan Kiszka
2020-06-15  8:07 ` Bartosz Golaszewski [this message]
2020-06-15 13:11 ` Andy Shevchenko

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