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authorChristian Lamparter <chunkeey@googlemail.com>2016-05-13 23:07:12 +0200
committerLinus Walleij <linus.walleij@linaro.org>2016-06-08 11:16:50 +0200
commitc0d30ecfe2f3e2254234d055982536fac18c7f1c (patch)
treeac880e665114a329d4b887915ee6e47af9439432 /drivers/gpio/gpio-mmio.c
parente698613ada5896a42d2f352296fd999d7dcaf4f3 (diff)
downloadlinux-c0d30ecfe2f3e2254234d055982536fac18c7f1c.tar.gz
gpio: mmio: add MyBook Live GPIO support
This patch adds support for the Western Digital's
MyBook Live memory-mapped GPIO controllers.

The GPIOs will be supported by the generic driver
for memory-mapped GPIO controllers.

Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Acked-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-mmio.c')
-rw-r--r--drivers/gpio/gpio-mmio.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-mmio.c b/drivers/gpio/gpio-mmio.c
index af583bee86d0..6ec144baeb11 100644
--- a/drivers/gpio/gpio-mmio.c
+++ b/drivers/gpio/gpio-mmio.c
@@ -573,6 +573,7 @@ static void __iomem *bgpio_map(struct platform_device *pdev,
 
 #ifdef CONFIG_OF
 static const struct of_device_id bgpio_of_match[] = {
+	{ .compatible = "wd,mbl-gpio" },
 	{ }
 };
 MODULE_DEVICE_TABLE(of, bgpio_of_match);
@@ -592,6 +593,9 @@ static struct bgpio_pdata *bgpio_parse_dt(struct platform_device *pdev,
 
 	pdata->base = -1;
 
+	if (of_property_read_bool(pdev->dev.of_node, "no-output"))
+		*flags |= BGPIOF_NO_OUTPUT;
+
 	return pdata;
 }
 #else