56 struct moxart_rtc {  struct
69 	struct moxart_rtc *moxart_rtc = dev_get_drvdata(dev);  in moxart_rtc_write_byte()  local
73 		gpiod_set_value(moxart_rtc->gpio_sclk, 0);  in moxart_rtc_write_byte()
74 		gpiod_set_value(moxart_rtc->gpio_data, ((data & 1) == 1));  in moxart_rtc_write_byte()
76 		gpiod_set_value(moxart_rtc->gpio_sclk, 1);  in moxart_rtc_write_byte()
83 	struct moxart_rtc *moxart_rtc = dev_get_drvdata(dev);  in moxart_rtc_read_byte()  local
88 		gpiod_set_value(moxart_rtc->gpio_sclk, 0);  in moxart_rtc_read_byte()
90 		gpiod_set_value(moxart_rtc->gpio_sclk, 1);  in moxart_rtc_read_byte()
92 		if (gpiod_get_value(moxart_rtc->gpio_data))  in moxart_rtc_read_byte()
101 	struct moxart_rtc *moxart_rtc = dev_get_drvdata(dev);  in moxart_rtc_read_register()  local
107 	gpiod_direction_output(moxart_rtc->gpio_data, 0);  in moxart_rtc_read_register()
108 	gpiod_set_value(moxart_rtc->gpio_reset, 1);  in moxart_rtc_read_register()
111 	gpiod_direction_input(moxart_rtc->gpio_data);  in moxart_rtc_read_register()
114 	gpiod_set_value(moxart_rtc->gpio_sclk, 0);  in moxart_rtc_read_register()
115 	gpiod_set_value(moxart_rtc->gpio_reset, 0);  in moxart_rtc_read_register()
125 	struct moxart_rtc *moxart_rtc = dev_get_drvdata(dev);  in moxart_rtc_write_register()  local
130 	gpiod_direction_output(moxart_rtc->gpio_data, 0);  in moxart_rtc_write_register()
131 	gpiod_set_value(moxart_rtc->gpio_reset, 1);  in moxart_rtc_write_register()
135 	gpiod_set_value(moxart_rtc->gpio_sclk, 0);  in moxart_rtc_write_register()
136 	gpiod_set_value(moxart_rtc->gpio_reset, 0);  in moxart_rtc_write_register()
144 	struct moxart_rtc *moxart_rtc = dev_get_drvdata(dev);  in moxart_rtc_set_time()  local
146 	spin_lock_irq(&moxart_rtc->rtc_lock);  in moxart_rtc_set_time()
175 	spin_unlock_irq(&moxart_rtc->rtc_lock);  in moxart_rtc_set_time()
187 	struct moxart_rtc *moxart_rtc = dev_get_drvdata(dev);  in moxart_rtc_read_time()  local
190 	spin_lock_irq(&moxart_rtc->rtc_lock);  in moxart_rtc_read_time()
234 	spin_unlock_irq(&moxart_rtc->rtc_lock);  in moxart_rtc_read_time()
246 	struct moxart_rtc *moxart_rtc;  in moxart_rtc_probe()  local
249 	moxart_rtc = devm_kzalloc(&pdev->dev, sizeof(*moxart_rtc), GFP_KERNEL);  in moxart_rtc_probe()
250 	if (!moxart_rtc)  in moxart_rtc_probe()
253 	moxart_rtc->gpio_data = devm_gpiod_get(&pdev->dev, "rtc-data",  in moxart_rtc_probe()
255 	ret = PTR_ERR_OR_ZERO(moxart_rtc->gpio_data);  in moxart_rtc_probe()
261 	moxart_rtc->gpio_sclk = devm_gpiod_get(&pdev->dev, "rtc-sclk",  in moxart_rtc_probe()
263 	ret = PTR_ERR_OR_ZERO(moxart_rtc->gpio_sclk);  in moxart_rtc_probe()
269 	moxart_rtc->gpio_reset = devm_gpiod_get(&pdev->dev, "rtc-reset",  in moxart_rtc_probe()
271 	ret = PTR_ERR_OR_ZERO(moxart_rtc->gpio_reset);  in moxart_rtc_probe()
277 	spin_lock_init(&moxart_rtc->rtc_lock);  in moxart_rtc_probe()
278 	platform_set_drvdata(pdev, moxart_rtc);  in moxart_rtc_probe()
280 	moxart_rtc->rtc = devm_rtc_device_register(&pdev->dev, pdev->name,  in moxart_rtc_probe()
283 	if (IS_ERR(moxart_rtc->rtc)) {  in moxart_rtc_probe()
285 		return PTR_ERR(moxart_rtc->rtc);  in moxart_rtc_probe()