From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001 From: Yuval Adam <_@yuv.al> Date: Wed, 30 Aug 2017 08:25:59 +0000 Subject: Initial file dump from open source release --- arch/mips/include/asm/mach-pmcs-msp71xx/gpio.h | 46 ++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 arch/mips/include/asm/mach-pmcs-msp71xx/gpio.h (limited to 'arch/mips/include/asm/mach-pmcs-msp71xx/gpio.h') diff --git a/arch/mips/include/asm/mach-pmcs-msp71xx/gpio.h b/arch/mips/include/asm/mach-pmcs-msp71xx/gpio.h new file mode 100644 index 00000000..ebdbab97 --- /dev/null +++ b/arch/mips/include/asm/mach-pmcs-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 + */ + +#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 + +#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 */ -- cgit v1.3.1