55 struct moxart_rtc {  struct
66 	struct moxart_rtc *moxart_rtc = dev_get_drvdata(dev);  in moxart_rtc_write_byte()  argument
70 		gpio_set_value(moxart_rtc->gpio_sclk, 0);  in moxart_rtc_write_byte()
71 		gpio_set_value(moxart_rtc->gpio_data, ((data & 1) == 1));  in moxart_rtc_write_byte()
73 		gpio_set_value(moxart_rtc->gpio_sclk, 1);  in moxart_rtc_write_byte()
80 	struct moxart_rtc *moxart_rtc = dev_get_drvdata(dev);  in moxart_rtc_read_byte()  local
85 		gpio_set_value(moxart_rtc->gpio_sclk, 0);  in moxart_rtc_read_byte()
87 		gpio_set_value(moxart_rtc->gpio_sclk, 1);  in moxart_rtc_read_byte()
89 		if (gpio_get_value(moxart_rtc->gpio_data))  in moxart_rtc_read_byte()
98 	struct moxart_rtc *moxart_rtc = dev_get_drvdata(dev);  in moxart_rtc_read_register()  local
104 	gpio_direction_output(moxart_rtc->gpio_data, 0);  in moxart_rtc_read_register()
105 	gpio_set_value(moxart_rtc->gpio_reset, 1);  in moxart_rtc_read_register()
108 	gpio_direction_input(moxart_rtc->gpio_data);  in moxart_rtc_read_register()
111 	gpio_set_value(moxart_rtc->gpio_sclk, 0);  in moxart_rtc_read_register()
112 	gpio_set_value(moxart_rtc->gpio_reset, 0);  in moxart_rtc_read_register()
122 	struct moxart_rtc *moxart_rtc = dev_get_drvdata(dev);  in moxart_rtc_write_register()  local
127 	gpio_direction_output(moxart_rtc->gpio_data, 0);  in moxart_rtc_write_register()
128 	gpio_set_value(moxart_rtc->gpio_reset, 1);  in moxart_rtc_write_register()
132 	gpio_set_value(moxart_rtc->gpio_sclk, 0);  in moxart_rtc_write_register()
133 	gpio_set_value(moxart_rtc->gpio_reset, 0);  in moxart_rtc_write_register()
141 	struct moxart_rtc *moxart_rtc = dev_get_drvdata(dev);  in moxart_rtc_set_time()  local
143 	spin_lock_irq(&moxart_rtc->rtc_lock);  in moxart_rtc_set_time()
172 	spin_unlock_irq(&moxart_rtc->rtc_lock);  in moxart_rtc_set_time()
184 	struct moxart_rtc *moxart_rtc = dev_get_drvdata(dev);  in moxart_rtc_read_time()  local
187 	spin_lock_irq(&moxart_rtc->rtc_lock);  in moxart_rtc_read_time()
231 	spin_unlock_irq(&moxart_rtc->rtc_lock);  in moxart_rtc_read_time()
243 	struct moxart_rtc *moxart_rtc;  in moxart_rtc_probe()  local
246 	moxart_rtc = devm_kzalloc(&pdev->dev, sizeof(*moxart_rtc), GFP_KERNEL);  in moxart_rtc_probe()
247 	if (!moxart_rtc)  in moxart_rtc_probe()
250 	moxart_rtc->gpio_data = of_get_named_gpio(pdev->dev.of_node,  in moxart_rtc_probe()
252 	if (!gpio_is_valid(moxart_rtc->gpio_data)) {  in moxart_rtc_probe()
254 			moxart_rtc->gpio_data);  in moxart_rtc_probe()
255 		return moxart_rtc->gpio_data;  in moxart_rtc_probe()
258 	moxart_rtc->gpio_sclk = of_get_named_gpio(pdev->dev.of_node,  in moxart_rtc_probe()
260 	if (!gpio_is_valid(moxart_rtc->gpio_sclk)) {  in moxart_rtc_probe()
262 			moxart_rtc->gpio_sclk);  in moxart_rtc_probe()
263 		return moxart_rtc->gpio_sclk;  in moxart_rtc_probe()
266 	moxart_rtc->gpio_reset = of_get_named_gpio(pdev->dev.of_node,  in moxart_rtc_probe()
268 	if (!gpio_is_valid(moxart_rtc->gpio_reset)) {  in moxart_rtc_probe()
270 			moxart_rtc->gpio_reset);  in moxart_rtc_probe()
271 		return moxart_rtc->gpio_reset;  in moxart_rtc_probe()
274 	spin_lock_init(&moxart_rtc->rtc_lock);  in moxart_rtc_probe()
275 	platform_set_drvdata(pdev, moxart_rtc);  in moxart_rtc_probe()
277 	ret = devm_gpio_request(&pdev->dev, moxart_rtc->gpio_data, "rtc_data");  in moxart_rtc_probe()
283 	ret = devm_gpio_request_one(&pdev->dev, moxart_rtc->gpio_sclk,  in moxart_rtc_probe()
290 	ret = devm_gpio_request_one(&pdev->dev, moxart_rtc->gpio_reset,  in moxart_rtc_probe()
297 	moxart_rtc->rtc = devm_rtc_device_register(&pdev->dev, pdev->name,  in moxart_rtc_probe()
300 	if (IS_ERR(moxart_rtc->rtc)) {  in moxart_rtc_probe()
302 		return PTR_ERR(moxart_rtc->rtc);  in moxart_rtc_probe()