71 	struct spear_kbd *kbd = dev_id;  in spear_kbd_interrupt()  local
72 	struct input_dev *input = kbd->input;  in spear_kbd_interrupt()
76 	sts = readl_relaxed(kbd->io_base + STATUS_REG);  in spear_kbd_interrupt()
80 	if (kbd->last_key != KEY_RESERVED) {  in spear_kbd_interrupt()
81 		input_report_key(input, kbd->last_key, 0);  in spear_kbd_interrupt()
82 		kbd->last_key = KEY_RESERVED;  in spear_kbd_interrupt()
86 	val = readl_relaxed(kbd->io_base + DATA_REG) &  in spear_kbd_interrupt()
88 	key = kbd->keycodes[val];  in spear_kbd_interrupt()
94 	kbd->last_key = key;  in spear_kbd_interrupt()
97 	writel_relaxed(0, kbd->io_base + STATUS_REG);  in spear_kbd_interrupt()
104 	struct spear_kbd *kbd = input_get_drvdata(dev);  in spear_kbd_open()  local
108 	kbd->last_key = KEY_RESERVED;  in spear_kbd_open()
110 	error = clk_enable(kbd->clk);  in spear_kbd_open()
115 	val = clk_get_rate(kbd->clk) / 1000000 - 1;  in spear_kbd_open()
120 		(kbd->mode << MODE_CTL_KEYNUM_SHIFT);  in spear_kbd_open()
121 	writel_relaxed(val, kbd->io_base + MODE_CTL_REG);  in spear_kbd_open()
122 	writel_relaxed(1, kbd->io_base + STATUS_REG);  in spear_kbd_open()
125 	val = readl_relaxed(kbd->io_base + MODE_CTL_REG);  in spear_kbd_open()
127 	writel_relaxed(val, kbd->io_base + MODE_CTL_REG);  in spear_kbd_open()
134 	struct spear_kbd *kbd = input_get_drvdata(dev);  in spear_kbd_close()  local
138 	val = readl_relaxed(kbd->io_base + MODE_CTL_REG);  in spear_kbd_close()
140 	writel_relaxed(val, kbd->io_base + MODE_CTL_REG);  in spear_kbd_close()
142 	clk_disable(kbd->clk);  in spear_kbd_close()
144 	kbd->last_key = KEY_RESERVED;  in spear_kbd_close()
149                                         struct spear_kbd *kbd)  in spear_kbd_parse_dt()  argument
161 		kbd->rep = true;  in spear_kbd_parse_dt()
164 		kbd->suspended_rate = suspended_rate;  in spear_kbd_parse_dt()
172 	kbd->mode = val;  in spear_kbd_parse_dt()
177 				     struct spear_kbd *kbd)  in spear_kbd_parse_dt()  argument
187 	struct spear_kbd *kbd;  in spear_kbd_probe()  local
196 	kbd = devm_kzalloc(&pdev->dev, sizeof(*kbd), GFP_KERNEL);  in spear_kbd_probe()
197 	if (!kbd) {  in spear_kbd_probe()
208 	kbd->input = input_dev;  in spear_kbd_probe()
209 	kbd->irq = irq;  in spear_kbd_probe()
212 		error = spear_kbd_parse_dt(pdev, kbd);  in spear_kbd_probe()
216 		kbd->mode = pdata->mode;  in spear_kbd_probe()
217 		kbd->rep = pdata->rep;  in spear_kbd_probe()
218 		kbd->suspended_rate = pdata->suspended_rate;  in spear_kbd_probe()
221 	kbd->io_base = devm_platform_get_and_ioremap_resource(pdev, 0, NULL);  in spear_kbd_probe()
222 	if (IS_ERR(kbd->io_base))  in spear_kbd_probe()
223 		return PTR_ERR(kbd->io_base);  in spear_kbd_probe()
225 	kbd->clk = devm_clk_get(&pdev->dev, NULL);  in spear_kbd_probe()
226 	if (IS_ERR(kbd->clk))  in spear_kbd_probe()
227 		return PTR_ERR(kbd->clk);  in spear_kbd_probe()
239 					   kbd->keycodes, input_dev);  in spear_kbd_probe()
245 	if (kbd->rep)  in spear_kbd_probe()
249 	input_set_drvdata(input_dev, kbd);  in spear_kbd_probe()
252 			"keyboard", kbd);  in spear_kbd_probe()
258 	error = clk_prepare(kbd->clk);  in spear_kbd_probe()
265 		clk_unprepare(kbd->clk);  in spear_kbd_probe()
270 	platform_set_drvdata(pdev, kbd);  in spear_kbd_probe()
277 	struct spear_kbd *kbd = platform_get_drvdata(pdev);  in spear_kbd_remove()  local
279 	input_unregister_device(kbd->input);  in spear_kbd_remove()
280 	clk_unprepare(kbd->clk);  in spear_kbd_remove()
288 	struct spear_kbd *kbd = platform_get_drvdata(pdev);  in spear_kbd_suspend()  local
289 	struct input_dev *input_dev = kbd->input;  in spear_kbd_suspend()
295 	clk_enable(kbd->clk);  in spear_kbd_suspend()
297 	mode_ctl_reg = readl_relaxed(kbd->io_base + MODE_CTL_REG);  in spear_kbd_suspend()
300 		if (!enable_irq_wake(kbd->irq))  in spear_kbd_suspend()
301 			kbd->irq_wake_enabled = true;  in spear_kbd_suspend()
307 		if (kbd->suspended_rate)  in spear_kbd_suspend()
308 			rate = kbd->suspended_rate / 1000000 - 1;  in spear_kbd_suspend()
310 			rate = clk_get_rate(kbd->clk) / 1000000 - 1;  in spear_kbd_suspend()
316 		writel_relaxed(val, kbd->io_base + MODE_CTL_REG);  in spear_kbd_suspend()
321 					kbd->io_base + MODE_CTL_REG);  in spear_kbd_suspend()
322 			clk_disable(kbd->clk);  in spear_kbd_suspend()
328 		kbd->mode_ctl_reg = mode_ctl_reg;  in spear_kbd_suspend()
331 	clk_disable(kbd->clk);  in spear_kbd_suspend()
341 	struct spear_kbd *kbd = platform_get_drvdata(pdev);  in spear_kbd_resume()  local
342 	struct input_dev *input_dev = kbd->input;  in spear_kbd_resume()
347 		if (kbd->irq_wake_enabled) {  in spear_kbd_resume()
348 			kbd->irq_wake_enabled = false;  in spear_kbd_resume()
349 			disable_irq_wake(kbd->irq);  in spear_kbd_resume()
353 			clk_enable(kbd->clk);  in spear_kbd_resume()
358 		writel_relaxed(kbd->mode_ctl_reg, kbd->io_base + MODE_CTL_REG);  in spear_kbd_resume()