aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/brcm63xx/patches-4.4
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/brcm63xx/patches-4.4')
-rw-r--r--target/linux/brcm63xx/patches-4.4/374-gpio-add-a-simple-GPIO-driver-for-bcm63xx.patch14
1 files changed, 13 insertions, 1 deletions
diff --git a/target/linux/brcm63xx/patches-4.4/374-gpio-add-a-simple-GPIO-driver-for-bcm63xx.patch b/target/linux/brcm63xx/patches-4.4/374-gpio-add-a-simple-GPIO-driver-for-bcm63xx.patch
index 28930d0f9f..cd613f5e7b 100644
--- a/target/linux/brcm63xx/patches-4.4/374-gpio-add-a-simple-GPIO-driver-for-bcm63xx.patch
+++ b/target/linux/brcm63xx/patches-4.4/374-gpio-add-a-simple-GPIO-driver-for-bcm63xx.patch
@@ -40,7 +40,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org>
obj-$(CONFIG_GPIO_CLPS711X) += gpio-clps711x.o
--- /dev/null
+++ b/drivers/gpio/gpio-bcm63xx.c
-@@ -0,0 +1,122 @@
+@@ -0,0 +1,134 @@
+/*
+ * Driver for BCM63XX memory-mapped GPIO controllers, based on
+ * Generic driver for memory-mapped GPIO controllers.
@@ -73,8 +73,17 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org>
+#include <linux/mod_devicetable.h>
+#include <linux/basic_mmio_gpio.h>
+#include <linux/of.h>
++#include <linux/of_irq.h>
+#include <linux/of_gpio.h>
+
++static int bcm63xx_gpio_to_irq(struct gpio_chip *chip, unsigned gpio)
++{
++ char irq_name[7]; /* "gpioXX" */
++
++ sprintf(irq_name, "gpio%d", gpio);
++ return of_irq_get_byname(chip->of_node, irq_name);
++}
++
+static int bcm63xx_gpio_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
@@ -126,6 +135,9 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org>
+ if (!of_property_read_u32(dev->of_node, "ngpios", &ngpios))
+ bgc->gc.ngpio = ngpios;
+
++ if (of_get_property(dev->of_node, "interrupt-names", NULL))
++ bgc->gc.to_irq = bcm63xx_gpio_to_irq;
++
+ } else if (pdata) {
+ bgc->gc.base = pdata->base;
+ if (pdata->ngpio > 0)