9  * SPDX-License-Identifier:	GPL-2.0+
42 	return (1U << (31 - (gpio)));  in gpio_mask()
47 	return in_be32(&base->gpdat) & mask;  in mpc85xx_gpio_get_val()
52 	return in_be32(&base->gpdir) & mask;  in mpc85xx_gpio_get_dir()
55 static inline void mpc85xx_gpio_set_in(struct ccsr_gpio *base, u32 gpios)  in mpc85xx_gpio_set_in()  argument
57 	clrbits_be32(&base->gpdat, gpios);  in mpc85xx_gpio_set_in()
58 	/* GPDIR register 0 -> input */  in mpc85xx_gpio_set_in()
59 	clrbits_be32(&base->gpdir, gpios);  in mpc85xx_gpio_set_in()
62 static inline void mpc85xx_gpio_set_low(struct ccsr_gpio *base, u32 gpios)  in mpc85xx_gpio_set_low()  argument
64 	clrbits_be32(&base->gpdat, gpios);  in mpc85xx_gpio_set_low()
65 	/* GPDIR register 1 -> output */  in mpc85xx_gpio_set_low()
66 	setbits_be32(&base->gpdir, gpios);  in mpc85xx_gpio_set_low()
69 static inline void mpc85xx_gpio_set_high(struct ccsr_gpio *base, u32 gpios)  in mpc85xx_gpio_set_high()  argument
71 	setbits_be32(&base->gpdat, gpios);  in mpc85xx_gpio_set_high()
72 	/* GPDIR register 1 -> output */  in mpc85xx_gpio_set_high()
73 	setbits_be32(&base->gpdir, gpios);  in mpc85xx_gpio_set_high()
76 static inline int mpc85xx_gpio_open_drain_val(struct ccsr_gpio *base, u32 mask)  in mpc85xx_gpio_open_drain_val()
78 	return in_be32(&base->gpodr) & mask;  in mpc85xx_gpio_open_drain_val()
82 					      gpios)  in mpc85xx_gpio_open_drain_on()  argument
84 	/* GPODR register 1 -> open drain on */  in mpc85xx_gpio_open_drain_on()
85 	setbits_be32(&base->gpodr, gpios);  in mpc85xx_gpio_open_drain_on()
89 					       u32 gpios)  in mpc85xx_gpio_open_drain_off()  argument
91 	/* GPODR register 0 -> open drain off (actively driven) */  in mpc85xx_gpio_open_drain_off()
92 	clrbits_be32(&base->gpodr, gpios);  in mpc85xx_gpio_open_drain_off()
95 static int mpc85xx_gpio_direction_input(struct udevice *dev, unsigned gpio)  in mpc85xx_gpio_direction_input()
99 	mpc85xx_gpio_set_in(data->base, gpio_mask(gpio));  in mpc85xx_gpio_direction_input()
103 static int mpc85xx_gpio_set_value(struct udevice *dev, unsigned gpio,  in mpc85xx_gpio_set_value()
104 				  int value)  in mpc85xx_gpio_set_value()
109 		data->dat_shadow |= gpio_mask(gpio);  in mpc85xx_gpio_set_value()
110 		mpc85xx_gpio_set_high(data->base, gpio_mask(gpio));  in mpc85xx_gpio_set_value()
112 		data->dat_shadow &= ~gpio_mask(gpio);  in mpc85xx_gpio_set_value()
113 		mpc85xx_gpio_set_low(data->base, gpio_mask(gpio));  in mpc85xx_gpio_set_value()
118 static int mpc85xx_gpio_direction_output(struct udevice *dev, unsigned gpio,  in mpc85xx_gpio_direction_output()
119 					 int value)  in mpc85xx_gpio_direction_output()
124 static int mpc85xx_gpio_get_value(struct udevice *dev, unsigned gpio)  in mpc85xx_gpio_get_value()
128 	if (!!mpc85xx_gpio_get_dir(data->base, gpio_mask(gpio))) {  in mpc85xx_gpio_get_value()
129 		/* Output -> use shadowed value */  in mpc85xx_gpio_get_value()
130 		return !!(data->dat_shadow & gpio_mask(gpio));  in mpc85xx_gpio_get_value()
132 		/* Input -> read value from GPDAT register */  in mpc85xx_gpio_get_value()
133 		return !!mpc85xx_gpio_get_val(data->base, gpio_mask(gpio));  in mpc85xx_gpio_get_value()
137 static int mpc85xx_gpio_get_open_drain(struct udevice *dev, unsigned gpio)  in mpc85xx_gpio_get_open_drain()
141 	return !!mpc85xx_gpio_open_drain_val(data->base, gpio_mask(gpio));  in mpc85xx_gpio_get_open_drain()
144 static int mpc85xx_gpio_set_open_drain(struct udevice *dev, unsigned gpio,  in mpc85xx_gpio_set_open_drain()
145 				       int value)  in mpc85xx_gpio_set_open_drain()
150 		mpc85xx_gpio_open_drain_on(data->base, gpio_mask(gpio));  in mpc85xx_gpio_set_open_drain()
152 		mpc85xx_gpio_open_drain_off(data->base, gpio_mask(gpio));  in mpc85xx_gpio_set_open_drain()
157 static int mpc85xx_gpio_get_function(struct udevice *dev, unsigned gpio)  in mpc85xx_gpio_get_function()
160 	int dir;  in mpc85xx_gpio_get_function()
162 	dir = !!mpc85xx_gpio_get_dir(data->base, gpio_mask(gpio));  in mpc85xx_gpio_get_function()
167 static int mpc85xx_gpio_ofdata_to_platdata(struct udevice *dev) {  in mpc85xx_gpio_ofdata_to_platdata()
172 	addr = fdtdec_get_addr_size_auto_noparent(gd->fdt_blob,  in mpc85xx_gpio_ofdata_to_platdata()
175 	plat->addr = addr;  in mpc85xx_gpio_ofdata_to_platdata()
176 	plat->size = size;  in mpc85xx_gpio_ofdata_to_platdata()
177 	plat->ngpios = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev),  in mpc85xx_gpio_ofdata_to_platdata()
184 static int mpc85xx_gpio_platdata_to_priv(struct udevice *dev)  in mpc85xx_gpio_platdata_to_priv()
188 	unsigned long size = plat->size;  in mpc85xx_gpio_platdata_to_priv()
193 	priv->addr = plat->addr;  in mpc85xx_gpio_platdata_to_priv()
194 	priv->base = map_sysmem(CONFIG_SYS_IMMR + plat->addr, size);  in mpc85xx_gpio_platdata_to_priv()
196 	if (!priv->base)  in mpc85xx_gpio_platdata_to_priv()
197 		return -ENOMEM;  in mpc85xx_gpio_platdata_to_priv()
199 	priv->gpio_count = plat->ngpios;  in mpc85xx_gpio_platdata_to_priv()
200 	priv->dat_shadow = 0;  in mpc85xx_gpio_platdata_to_priv()
205 static int mpc85xx_gpio_probe(struct udevice *dev)  in mpc85xx_gpio_probe()
213 	snprintf(name, sizeof(name), "MPC@%lx_", data->addr);  in mpc85xx_gpio_probe()
217 		return -ENOMEM;  in mpc85xx_gpio_probe()
219 	uc_priv->bank_name = str;  in mpc85xx_gpio_probe()
220 	uc_priv->gpio_count = data->gpio_count;  in mpc85xx_gpio_probe()
236 	{ .compatible = "fsl,pq3-gpio" },