Searched refs:moxart_rtc (Results 1 - 1 of 1) sorted by relevance
| /linux-4.1.27/drivers/rtc/ |
| H A D | rtc-moxart.c | 58 struct moxart_rtc { struct
69 struct moxart_rtc *moxart_rtc = dev_get_drvdata(dev); moxart_rtc_write_byte() local
73 gpio_set_value(moxart_rtc->gpio_sclk, 0); moxart_rtc_write_byte()
74 gpio_set_value(moxart_rtc->gpio_data, ((data & 1) == 1)); moxart_rtc_write_byte()
76 gpio_set_value(moxart_rtc->gpio_sclk, 1); moxart_rtc_write_byte()
83 struct moxart_rtc *moxart_rtc = dev_get_drvdata(dev); moxart_rtc_read_byte() local
88 gpio_set_value(moxart_rtc->gpio_sclk, 0); moxart_rtc_read_byte()
90 gpio_set_value(moxart_rtc->gpio_sclk, 1); moxart_rtc_read_byte()
92 if (gpio_get_value(moxart_rtc->gpio_data)) moxart_rtc_read_byte()
101 struct moxart_rtc *moxart_rtc = dev_get_drvdata(dev); moxart_rtc_read_register() local
107 gpio_direction_output(moxart_rtc->gpio_data, 0); moxart_rtc_read_register()
108 gpio_set_value(moxart_rtc->gpio_reset, 1); moxart_rtc_read_register()
111 gpio_direction_input(moxart_rtc->gpio_data); moxart_rtc_read_register()
114 gpio_set_value(moxart_rtc->gpio_sclk, 0); moxart_rtc_read_register()
115 gpio_set_value(moxart_rtc->gpio_reset, 0); moxart_rtc_read_register()
125 struct moxart_rtc *moxart_rtc = dev_get_drvdata(dev); moxart_rtc_write_register() local
130 gpio_direction_output(moxart_rtc->gpio_data, 0); moxart_rtc_write_register()
131 gpio_set_value(moxart_rtc->gpio_reset, 1); moxart_rtc_write_register()
135 gpio_set_value(moxart_rtc->gpio_sclk, 0); moxart_rtc_write_register()
136 gpio_set_value(moxart_rtc->gpio_reset, 0); moxart_rtc_write_register()
144 struct moxart_rtc *moxart_rtc = dev_get_drvdata(dev); moxart_rtc_set_time() local
146 spin_lock_irq(&moxart_rtc->rtc_lock); moxart_rtc_set_time()
175 spin_unlock_irq(&moxart_rtc->rtc_lock); moxart_rtc_set_time()
187 struct moxart_rtc *moxart_rtc = dev_get_drvdata(dev); moxart_rtc_read_time() local
190 spin_lock_irq(&moxart_rtc->rtc_lock); moxart_rtc_read_time()
234 spin_unlock_irq(&moxart_rtc->rtc_lock); moxart_rtc_read_time()
246 struct moxart_rtc *moxart_rtc; moxart_rtc_probe() local
249 moxart_rtc = devm_kzalloc(&pdev->dev, sizeof(*moxart_rtc), GFP_KERNEL); moxart_rtc_probe()
250 if (!moxart_rtc) moxart_rtc_probe()
253 moxart_rtc->gpio_data = of_get_named_gpio(pdev->dev.of_node, moxart_rtc_probe()
255 if (!gpio_is_valid(moxart_rtc->gpio_data)) { moxart_rtc_probe()
257 moxart_rtc->gpio_data); moxart_rtc_probe()
258 return moxart_rtc->gpio_data; moxart_rtc_probe()
261 moxart_rtc->gpio_sclk = of_get_named_gpio(pdev->dev.of_node, moxart_rtc_probe()
263 if (!gpio_is_valid(moxart_rtc->gpio_sclk)) { moxart_rtc_probe()
265 moxart_rtc->gpio_sclk); moxart_rtc_probe()
266 return moxart_rtc->gpio_sclk; moxart_rtc_probe()
269 moxart_rtc->gpio_reset = of_get_named_gpio(pdev->dev.of_node, moxart_rtc_probe()
271 if (!gpio_is_valid(moxart_rtc->gpio_reset)) { moxart_rtc_probe()
273 moxart_rtc->gpio_reset); moxart_rtc_probe()
274 return moxart_rtc->gpio_reset; moxart_rtc_probe()
277 spin_lock_init(&moxart_rtc->rtc_lock); moxart_rtc_probe()
278 platform_set_drvdata(pdev, moxart_rtc); moxart_rtc_probe()
280 ret = devm_gpio_request(&pdev->dev, moxart_rtc->gpio_data, "rtc_data"); moxart_rtc_probe()
286 ret = devm_gpio_request_one(&pdev->dev, moxart_rtc->gpio_sclk, moxart_rtc_probe()
293 ret = devm_gpio_request_one(&pdev->dev, moxart_rtc->gpio_reset, moxart_rtc_probe()
300 moxart_rtc->rtc = devm_rtc_device_register(&pdev->dev, pdev->name, moxart_rtc_probe()
303 if (IS_ERR(moxart_rtc->rtc)) { moxart_rtc_probe()
305 return PTR_ERR(moxart_rtc->rtc); moxart_rtc_probe()
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