From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from smtp12.mail.ru ([94.100.176.89]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WXANA-0008Ak-F6 for barebox@lists.infradead.org; Mon, 07 Apr 2014 14:18:05 +0000 From: Alexander Shiyan Date: Mon, 7 Apr 2014 18:17:39 +0400 Message-Id: <1396880259-26502-1-git-send-email-shc_work@mail.ru> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 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: [PATCH] GPIO: i.MX: Implement get_direction() To: barebox@lists.infradead.org Signed-off-by: Alexander Shiyan --- drivers/gpio/gpio-imx.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/gpio/gpio-imx.c b/drivers/gpio/gpio-imx.c index a71492a..d32638c 100644 --- a/drivers/gpio/gpio-imx.c +++ b/drivers/gpio/gpio-imx.c @@ -113,11 +113,21 @@ static int imx_gpio_get_value(struct gpio_chip *chip, unsigned gpio) return val & (1 << gpio) ? 1 : 0; } +static int imx_get_direction(struct gpio_chip *chip, unsigned offset) +{ + struct imx_gpio_chip *imxgpio = container_of(chip, struct imx_gpio_chip, chip); + void __iomem *base = imxgpio->base; + u32 val = readl(base + imxgpio->regs->gdir); + + return (val & (1 << offset)) ? GPIOF_DIR_OUT : GPIOF_DIR_IN; +} + static struct gpio_ops imx_gpio_ops = { .direction_input = imx_gpio_direction_input, .direction_output = imx_gpio_direction_output, .get = imx_gpio_get_value, .set = imx_gpio_set_value, + .get_direction = imx_get_direction, }; static int imx_gpio_probe(struct device_d *dev) -- 1.8.3.2 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox