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authorThomas Gleixner <tglx@linutronix.de>2008-11-24 19:54:37 +0100
committerThomas Gleixner <tglx@linutronix.de>2008-11-24 19:54:37 +0100
commit3e1d7a6219ab64e13b10b1a77c0625db9a8bd8db (patch)
treec682da7317845d7b1336e3d8498cf83bdf8f5900 /arch/mips/include/asm/pmc-sierra/msp71xx/gpio.h
parent42569c39917a08e8de1e8b5685463be7b74baebd (diff)
parent13d428afc007fcfcd6deeb215618f54cf9c0cae6 (diff)
downloadtalos-op-linux-3e1d7a6219ab64e13b10b1a77c0625db9a8bd8db.tar.gz
talos-op-linux-3e1d7a6219ab64e13b10b1a77c0625db9a8bd8db.zip
Merge branch 'linus' into core/futexes
Diffstat (limited to 'arch/mips/include/asm/pmc-sierra/msp71xx/gpio.h')
-rw-r--r--arch/mips/include/asm/pmc-sierra/msp71xx/gpio.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/mips/include/asm/pmc-sierra/msp71xx/gpio.h b/arch/mips/include/asm/pmc-sierra/msp71xx/gpio.h
new file mode 100644
index 000000000000..ebdbab973e41
--- /dev/null
+++ b/arch/mips/include/asm/pmc-sierra/msp71xx/gpio.h
@@ -0,0 +1,46 @@
+/*
+ * include/asm-mips/pmc-sierra/msp71xx/gpio.h
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * @author Patrick Glass <patrickglass@gmail.com>
+ */
+
+#ifndef __PMC_MSP71XX_GPIO_H
+#define __PMC_MSP71XX_GPIO_H
+
+/* Max number of gpio's is 28 on chip plus 3 banks of I2C IO Expanders */
+#define ARCH_NR_GPIOS (28 + (3 * 8))
+
+/* new generic GPIO API - see Documentation/gpio.txt */
+#include <asm-generic/gpio.h>
+
+#define gpio_get_value __gpio_get_value
+#define gpio_set_value __gpio_set_value
+#define gpio_cansleep __gpio_cansleep
+
+/* Setup calls for the gpio and gpio extended */
+extern void msp71xx_init_gpio(void);
+extern void msp71xx_init_gpio_extended(void);
+extern int msp71xx_set_output_drive(unsigned gpio, int value);
+
+/* Custom output drive functionss */
+static inline int gpio_set_output_drive(unsigned gpio, int value)
+{
+ return msp71xx_set_output_drive(gpio, value);
+}
+
+/* IRQ's are not supported for gpio lines */
+static inline int gpio_to_irq(unsigned gpio)
+{
+ return -EINVAL;
+}
+
+static inline int irq_to_gpio(unsigned irq)
+{
+ return -EINVAL;
+}
+
+#endif /* __PMC_MSP71XX_GPIO_H */
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