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 <[email protected]> Acked-by: Alexandre Courbot <[email protected]> Signed-off-by: Linus Walleij <[email protected]>
ambv · Jun 8, 2016 · c0d30ec · c0d30ec
1 parent e698613
commit c0d30ec
Showing 1 changed file with 4 additions and 0 deletions.
diff --git 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