1 // SPDX-License-Identifier: GPL-2.0+
10 #include <asm/gpio.h>
26 	struct gpio_desc	sck;  member
37 		dm_gpio_set_value(&priv->mosi, !!(addr & 0x80)); /* MSB first */  in cpld_read()
38 		dm_gpio_set_value(&priv->sck, 1);  in cpld_read()
40 		dm_gpio_set_value(&priv->sck, 0);  in cpld_read()
43 	dm_gpio_set_value(&priv->mosi, 0); /* READ */  in cpld_read()
44 	dm_gpio_set_value(&priv->sstbz, 0);  in cpld_read()
45 	dm_gpio_set_value(&priv->sck, 1);  in cpld_read()
46 	dm_gpio_set_value(&priv->sck, 0);  in cpld_read()
47 	dm_gpio_set_value(&priv->sstbz, 1);  in cpld_read()
50 		dm_gpio_set_value(&priv->sck, 1);  in cpld_read()
52 		data |= dm_gpio_get_value(&priv->miso); /* MSB first */  in cpld_read()
53 		dm_gpio_set_value(&priv->sck, 0);  in cpld_read()
65 		dm_gpio_set_value(&priv->mosi, data & (1 << 31)); /* MSB first */  in cpld_write()
66 		dm_gpio_set_value(&priv->sck, 1);  in cpld_write()
68 		dm_gpio_set_value(&priv->sck, 0);  in cpld_write()
72 		dm_gpio_set_value(&priv->mosi, addr & 0x80); /* MSB first */  in cpld_write()
73 		dm_gpio_set_value(&priv->sck, 1);  in cpld_write()
75 		dm_gpio_set_value(&priv->sck, 0);  in cpld_write()
78 	dm_gpio_set_value(&priv->mosi, 1); /* WRITE */  in cpld_write()
79 	dm_gpio_set_value(&priv->sstbz, 0);  in cpld_write()
80 	dm_gpio_set_value(&priv->sck, 1);  in cpld_write()
81 	dm_gpio_set_value(&priv->sck, 0);  in cpld_write()
82 	dm_gpio_set_value(&priv->sstbz, 1);  in cpld_write()
142 	return -EINPROGRESS;  in renesas_ulcb_sysreset_request()
149 	if (gpio_request_by_name(dev, "gpio-miso", 0, &priv->miso,  in renesas_ulcb_sysreset_probe()
151 		return -EINVAL;  in renesas_ulcb_sysreset_probe()
153 	if (gpio_request_by_name(dev, "gpio-sck", 0, &priv->sck,  in renesas_ulcb_sysreset_probe()
155 		return -EINVAL;  in renesas_ulcb_sysreset_probe()
157 	if (gpio_request_by_name(dev, "gpio-sstbz", 0, &priv->sstbz,  in renesas_ulcb_sysreset_probe()
159 		return -EINVAL;  in renesas_ulcb_sysreset_probe()
161 	if (gpio_request_by_name(dev, "gpio-mosi", 0, &priv->mosi,  in renesas_ulcb_sysreset_probe()
163 		return -EINVAL;  in renesas_ulcb_sysreset_probe()
165 	/* PULL-UP on MISO line */  in renesas_ulcb_sysreset_probe()
179 	{ .compatible = "renesas,ulcb-cpld" },