sparc: Add GPIO layer support.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index a214002..cb1dd35 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -20,6 +20,11 @@
bool
default y
+config GENERIC_GPIO
+ bool
+ help
+ Generic GPIO API support
+
config ARCH_NO_VIRT_TO_BUS
def_bool y
@@ -69,6 +74,7 @@
select HAVE_OPROFILE
select HAVE_ARCH_KGDB if !SMP
select HAVE_ARCH_TRACEHOOK
+ select ARCH_WANT_OPTIONAL_GPIOLIB
# Identify this as a Sparc32 build
config SPARC32
diff --git a/arch/sparc/include/asm/gpio.h b/arch/sparc/include/asm/gpio.h
new file mode 100644
index 0000000..a0e3ac0
--- /dev/null
+++ b/arch/sparc/include/asm/gpio.h
@@ -0,0 +1,36 @@
+#ifndef __ASM_SPARC_GPIO_H
+#define __ASM_SPARC_GPIO_H
+
+#include <linux/errno.h>
+#include <asm-generic/gpio.h>
+
+#ifdef CONFIG_GPIOLIB
+
+static inline int gpio_get_value(unsigned int gpio)
+{
+ return __gpio_get_value(gpio);
+}
+
+static inline void gpio_set_value(unsigned int gpio, int value)
+{
+ __gpio_set_value(gpio, value);
+}
+
+static inline int gpio_cansleep(unsigned int gpio)
+{
+ return __gpio_cansleep(gpio);
+}
+
+static inline int gpio_to_irq(unsigned int gpio)
+{
+ return -ENOSYS;
+}
+
+static inline int irq_to_gpio(unsigned int irq)
+{
+ return -EINVAL;
+}
+
+#endif /* CONFIG_GPIOLIB */
+
+#endif /* __ASM_SPARC_GPIO_H */