diff options
Diffstat (limited to 'target/linux/brcm63xx/patches-4.4/374-gpio-add-a-simple-GPIO-driver-for-bcm63xx.patch')
| -rw-r--r-- | target/linux/brcm63xx/patches-4.4/374-gpio-add-a-simple-GPIO-driver-for-bcm63xx.patch | 14 |
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) |