62 	struct spear_spics *spics = gpiochip_get_data(chip);  in spics_set_value()  local
66 	tmp = readl_relaxed(spics->base + spics->perip_cfg);  in spics_set_value()
67 	if (spics->last_off != offset) {  in spics_set_value()
68 		spics->last_off = offset;  in spics_set_value()
69 		tmp &= ~(spics->cs_enable_mask << spics->cs_enable_shift);  in spics_set_value()
70 		tmp |= offset << spics->cs_enable_shift;  in spics_set_value()
74 	tmp &= ~(0x1 << spics->cs_value_bit);  in spics_set_value()
75 	tmp |= value << spics->cs_value_bit;  in spics_set_value()
76 	writel_relaxed(tmp, spics->base + spics->perip_cfg);  in spics_set_value()
93 	struct spear_spics *spics = gpiochip_get_data(chip);  in spics_request()  local
96 	if (!spics->use_count++) {  in spics_request()
97 		tmp = readl_relaxed(spics->base + spics->perip_cfg);  in spics_request()
98 		tmp |= 0x1 << spics->sw_enable_bit;  in spics_request()
99 		tmp |= 0x1 << spics->cs_value_bit;  in spics_request()
100 		writel_relaxed(tmp, spics->base + spics->perip_cfg);  in spics_request()
108 	struct spear_spics *spics = gpiochip_get_data(chip);  in spics_free()  local
111 	if (!--spics->use_count) {  in spics_free()
112 		tmp = readl_relaxed(spics->base + spics->perip_cfg);  in spics_free()
113 		tmp &= ~(0x1 << spics->sw_enable_bit);  in spics_free()
114 		writel_relaxed(tmp, spics->base + spics->perip_cfg);  in spics_free()
121 	struct spear_spics *spics;  in spics_gpio_probe()  local
123 	spics = devm_kzalloc(&pdev->dev, sizeof(*spics), GFP_KERNEL);  in spics_gpio_probe()
124 	if (!spics)  in spics_gpio_probe()
127 	spics->base = devm_platform_ioremap_resource(pdev, 0);  in spics_gpio_probe()
128 	if (IS_ERR(spics->base))  in spics_gpio_probe()
129 		return PTR_ERR(spics->base);  in spics_gpio_probe()
132 				&spics->perip_cfg))  in spics_gpio_probe()
135 				&spics->sw_enable_bit))  in spics_gpio_probe()
138 				&spics->cs_value_bit))  in spics_gpio_probe()
141 				&spics->cs_enable_mask))  in spics_gpio_probe()
144 				&spics->cs_enable_shift))  in spics_gpio_probe()
147 	spics->chip.ngpio = NUM_OF_GPIO;  in spics_gpio_probe()
148 	spics->chip.base = -1;  in spics_gpio_probe()
149 	spics->chip.request = spics_request;  in spics_gpio_probe()
150 	spics->chip.free = spics_free;  in spics_gpio_probe()
151 	spics->chip.direction_input = spics_direction_input;  in spics_gpio_probe()
152 	spics->chip.direction_output = spics_direction_output;  in spics_gpio_probe()
153 	spics->chip.get = spics_get_value;  in spics_gpio_probe()
154 	spics->chip.set = spics_set_value;  in spics_gpio_probe()
155 	spics->chip.label = dev_name(&pdev->dev);  in spics_gpio_probe()
156 	spics->chip.parent = &pdev->dev;  in spics_gpio_probe()
157 	spics->chip.owner = THIS_MODULE;  in spics_gpio_probe()
158 	spics->last_off = -1;  in spics_gpio_probe()
160 	return devm_gpiochip_add_data(&pdev->dev, &spics->chip, spics);  in spics_gpio_probe()