From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1c7GQh-0008Uk-3S for barebox@lists.infradead.org; Thu, 17 Nov 2016 06:44:16 +0000 Date: Thu, 17 Nov 2016 07:43:53 +0100 From: Sascha Hauer Message-ID: <20161117064353.ss5hhus4krgkrdsr@pengutronix.de> References: <1479221205-13573-1-git-send-email-andrew.smirnov@gmail.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1479221205-13573-1-git-send-email-andrew.smirnov@gmail.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: Re: [PATCH] i2c-mux-pca954x: Add code to control reset line To: Andrey Smirnov Cc: barebox@lists.infradead.org On Tue, Nov 15, 2016 at 06:46:45AM -0800, Andrey Smirnov wrote: > Most recent device tree binding for that mux support specifying a GPIO > connected to a reset line of that chip. Add code to handle that binding > in order to be able to use the chip on boards that leverage > aforementioned functionality. > > Signed-off-by: Andrey Smirnov > --- > drivers/i2c/muxes/i2c-mux-pca954x.c | 7 +++++++ > 1 file changed, 7 insertions(+) Applied, thanks Sascha > > diff --git a/drivers/i2c/muxes/i2c-mux-pca954x.c b/drivers/i2c/muxes/i2c-mux-pca954x.c > index baeae7b..0d5515b 100644 > --- a/drivers/i2c/muxes/i2c-mux-pca954x.c > +++ b/drivers/i2c/muxes/i2c-mux-pca954x.c > @@ -45,6 +45,8 @@ > #include > #include > #include > +#include > +#include > > #define PCA954X_MAX_NCHANS 8 > > @@ -179,6 +181,7 @@ static int pca954x_probe(struct device_d *dev) > int num, force; > struct pca954x *data; > int ret = -ENODEV; > + int gpio; > > data = kzalloc(sizeof(struct pca954x), GFP_KERNEL); > if (!data) { > @@ -188,6 +191,10 @@ static int pca954x_probe(struct device_d *dev) > > i2c_set_clientdata(client, data); > > + gpio = of_get_named_gpio(dev->device_node, "reset-gpios", 0); > + if (gpio_is_valid(gpio)) > + gpio_direction_output(gpio, 1); > + > /* Read the mux register at addr to verify > * that the mux is in fact present. > */ > -- > 2.5.5 > > > _______________________________________________ > barebox mailing list > barebox@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/barebox > -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox