1 // SPDX-License-Identifier: GPL-2.0
37 	if (ftm->big_endian)  in ftm_read()
38 		*data = ioread32be(ftm->ftm_base + offset);  in ftm_read()
40 		*data = ioread32(ftm->ftm_base + offset);  in ftm_read()
45 	if (ftm->big_endian)  in ftm_write()
46 		iowrite32be(data, ftm->ftm_base + offset);  in ftm_write()
48 		iowrite32(data, ftm->ftm_base + offset);  in ftm_write()
90 	/* Select quad mode, reset other fields to zero */  in ftm_quaddec_init()
135 	mutex_lock(&ftm->ftm_quaddec_mutex);  in ftm_quaddec_set_prescaler()
144 	mutex_unlock(&ftm->ftm_quaddec_mutex);  in ftm_quaddec_set_prescaler()
181 		dev_warn(&ftm->pdev->dev, "Can only accept '0' as new counter value\n");  in ftm_quaddec_count_write()
182 		return -EINVAL;  in ftm_quaddec_count_write()
219 		.name = "Channel 1 Phase A"
223 		.name = "Channel 1 Phase B"
264 	struct device_node *node = pdev->dev.of_node;  in ftm_quaddec_probe()
268 	counter = devm_counter_alloc(&pdev->dev, sizeof(*ftm));  in ftm_quaddec_probe()
270 		return -ENOMEM;  in ftm_quaddec_probe()
275 		dev_err(&pdev->dev, "Failed to get memory region\n");  in ftm_quaddec_probe()
276 		return -ENODEV;  in ftm_quaddec_probe()
279 	ftm->pdev = pdev;  in ftm_quaddec_probe()
280 	ftm->big_endian = of_property_read_bool(node, "big-endian");  in ftm_quaddec_probe()
281 	ftm->ftm_base = devm_ioremap(&pdev->dev, io->start, resource_size(io));  in ftm_quaddec_probe()
283 	if (!ftm->ftm_base) {  in ftm_quaddec_probe()
284 		dev_err(&pdev->dev, "Failed to map memory region\n");  in ftm_quaddec_probe()
285 		return -EINVAL;  in ftm_quaddec_probe()
287 	counter->name = dev_name(&pdev->dev);  in ftm_quaddec_probe()
288 	counter->parent = &pdev->dev;  in ftm_quaddec_probe()
289 	counter->ops = &ftm_quaddec_cnt_ops;  in ftm_quaddec_probe()
290 	counter->counts = &ftm_quaddec_counts;  in ftm_quaddec_probe()
291 	counter->num_counts = 1;  in ftm_quaddec_probe()
292 	counter->signals = ftm_quaddec_signals;  in ftm_quaddec_probe()
293 	counter->num_signals = ARRAY_SIZE(ftm_quaddec_signals);  in ftm_quaddec_probe()
295 	mutex_init(&ftm->ftm_quaddec_mutex);  in ftm_quaddec_probe()
299 	ret = devm_add_action_or_reset(&pdev->dev, ftm_quaddec_disable, ftm);  in ftm_quaddec_probe()
303 	ret = devm_counter_add(&pdev->dev, counter);  in ftm_quaddec_probe()
305 		return dev_err_probe(&pdev->dev, ret, "Failed to add counter\n");  in ftm_quaddec_probe()
311 	{ .compatible = "fsl,ftm-quaddec" },
317 		.name = "ftm-quaddec",