linux-kernel - [PATCH v10 2/2] gpio: mmio: add MyBook Live GPIO support

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Message-Id: <9e2091228d1d653072d22d858eae2a7e08530d8b.1463172434.git.chunkeey@googlemail.com>
Date:	Fri, 13 May 2016 23:07:12 +0200
From:	Christian Lamparter <chunkeey@...glemail.com>
To:	linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	Christian Lamparter <chunkeey@...glemail.com>,
	Álvaro Fernández Rojas 
	<noltari@...il.com>, Alexandre Courbot <gnurou@...il.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Andy Shevchenko <andy.shevchenko@...il.com>,
	Joachim Eastwood <manabian@...il.com>
Subject: [PATCH v10 2/2] 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@...glemail.com>
---
 drivers/gpio/gpio-mmio.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpio/gpio-mmio.c b/drivers/gpio/gpio-mmio.c
index af583be..6ec144b 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
-- 
2.8.1