1 // SPDX-License-Identifier: GPL-2.0
22  * This driver is currently incompatible with SMP. The GPIO32 extension is not
24  * different set of IO wires. A theoretical SMP aware version of this driver
72 static int xtensa_impwire_get_direction(struct gpio_chip *gc, unsigned offset)  in xtensa_impwire_get_direction()  argument
77 static int xtensa_impwire_get_value(struct gpio_chip *gc, unsigned offset)  in xtensa_impwire_get_value()  argument
86 	return !!(impwire & BIT(offset));  in xtensa_impwire_get_value()
89 static void xtensa_impwire_set_value(struct gpio_chip *gc, unsigned offset,  in xtensa_impwire_set_value()  argument
95 static int xtensa_expstate_get_direction(struct gpio_chip *gc, unsigned offset)  in xtensa_expstate_get_direction()  argument
100 static int xtensa_expstate_get_value(struct gpio_chip *gc, unsigned offset)  in xtensa_expstate_get_value()  argument
109 	return !!(expstate & BIT(offset));  in xtensa_expstate_get_value()
112 static void xtensa_expstate_set_value(struct gpio_chip *gc, unsigned offset,  in xtensa_expstate_set_value()  argument
116 	u32 mask = BIT(offset);  in xtensa_expstate_set_value()
117 	u32 val = value ? BIT(offset) : 0;  in xtensa_expstate_set_value()
127 	.base		= -1,
136 	.base		= -1,
155 		.name		= "xtensa-gpio",
164 	pdev = platform_device_register_simple("xtensa-gpio", 0, NULL, 0);  in xtensa_gpio_init()