drivers/gpio/gpio-mpc8xxx.c

36 	struct gpio_chip	gc;
62 static int mpc8572_gpio_get(struct gpio_chip *gc, unsigned int gpio)
65 	struct mpc8xxx_gpio_chip *mpc8xxx_gc = gpiochip_get_data(gc);
68 	out_mask = gc->read_reg(mpc8xxx_gc->regs + GPIO_DIR);
69 	val = gc->read_reg(mpc8xxx_gc->regs + GPIO_DAT) & ~out_mask;
70 	out_shadow = gc->bgpio_data & out_mask;
75 static int mpc5121_gpio_dir_out(struct gpio_chip *gc,
78 	struct mpc8xxx_gpio_chip *mpc8xxx_gc = gpiochip_get_data(gc);
83 	return mpc8xxx_gc->direction_output(gc, gpio, val);
86 static int mpc5125_gpio_dir_out(struct gpio_chip *gc,
89 	struct mpc8xxx_gpio_chip *mpc8xxx_gc = gpiochip_get_data(gc);
94 	return mpc8xxx_gc->direction_output(gc, gpio, val);
97 static int mpc8xxx_gpio_to_irq(struct gpio_chip *gc, unsigned offset)
99 	struct mpc8xxx_gpio_chip *mpc8xxx_gc = gpiochip_get_data(gc);
110 	struct gpio_chip *gc = &mpc8xxx_gc->gc;
114 	mask = gc->read_reg(mpc8xxx_gc->regs + GPIO_IER)
115 		& gc->read_reg(mpc8xxx_gc->regs + GPIO_IMR);
125 	struct gpio_chip *gc = &mpc8xxx_gc->gc;
130 	gc->write_reg(mpc8xxx_gc->regs + GPIO_IMR,
131 		gc->read_reg(mpc8xxx_gc->regs + GPIO_IMR)
140 	struct gpio_chip *gc = &mpc8xxx_gc->gc;
145 	gc->write_reg(mpc8xxx_gc->regs + GPIO_IMR,
146 		gc->read_reg(mpc8xxx_gc->regs + GPIO_IMR)
155 	struct gpio_chip *gc = &mpc8xxx_gc->gc;
157 	gc->write_reg(mpc8xxx_gc->regs + GPIO_IER,
164 	struct gpio_chip *gc = &mpc8xxx_gc->gc;
171 		gc->write_reg(mpc8xxx_gc->regs + GPIO_ICR,
172 			gc->read_reg(mpc8xxx_gc->regs + GPIO_ICR)
179 		gc->write_reg(mpc8xxx_gc->regs + GPIO_ICR,
180 			gc->read_reg(mpc8xxx_gc->regs + GPIO_ICR)
195 	struct gpio_chip *gc = &mpc8xxx_gc->gc;
213 		gc->write_reg(reg, (gc->read_reg(reg) & ~(3 << shift))
221 		gc->write_reg(reg, (gc->read_reg(reg) & ~(3 << shift))
228 		gc->write_reg(reg, (gc->read_reg(reg) & ~(3 << shift)));
303 	struct gpio_chip	*gc;
320 	gc = &mpc8xxx_gc->gc;
321 	gc->parent = &pdev->dev;
324 		ret = bgpio_init(gc, &pdev->dev, 4,
333 		ret = bgpio_init(gc, &pdev->dev, 4,
344 	mpc8xxx_gc->direction_output = gc->direction_output;
358 		gc->direction_output = devtype->gpio_dir_out;
360 		gc->get = devtype->gpio_get;
362 	gc->to_irq = mpc8xxx_gpio_to_irq;
376 		gc->write_reg(mpc8xxx_gc->regs + GPIO_IBE, 0xffffffff);
378 		gc->bgpio_data = gc->read_reg(mpc8xxx_gc->regs + GPIO_DAT) &
379 			gc->read_reg(mpc8xxx_gc->regs + GPIO_DIR);
382 	ret = devm_gpiochip_add_data(&pdev->dev, gc, mpc8xxx_gc);
402 	gc->write_reg(mpc8xxx_gc->regs + GPIO_IER, 0xffffffff);
403 	gc->write_reg(mpc8xxx_gc->regs + GPIO_IMR, 0);