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()
121 	struct ftm_quaddec *ftm = counter->priv;  in ftm_quaddec_get_prescaler()
135 	struct ftm_quaddec *ftm = counter->priv;  in ftm_quaddec_set_prescaler()
137 	mutex_lock(&ftm->ftm_quaddec_mutex);  in ftm_quaddec_set_prescaler()
146 	mutex_unlock(&ftm->ftm_quaddec_mutex);  in ftm_quaddec_set_prescaler()
183 	struct ftm_quaddec *const ftm = counter->priv;  in ftm_quaddec_count_read()
197 	struct ftm_quaddec *const ftm = counter->priv;  in ftm_quaddec_count_write()
200 		dev_warn(&ftm->pdev->dev, "Can only accept '0' as new counter value\n");  in ftm_quaddec_count_write()
201 		return -EINVAL;  in ftm_quaddec_count_write()
238 		.name = "Channel 1 Phase A"
242 		.name = "Channel 1 Phase B"
279 	struct device_node *node = pdev->dev.of_node;  in ftm_quaddec_probe()
283 	ftm = devm_kzalloc(&pdev->dev, sizeof(*ftm), GFP_KERNEL);  in ftm_quaddec_probe()
285 		return -ENOMEM;  in ftm_quaddec_probe()
291 		dev_err(&pdev->dev, "Failed to get memory region\n");  in ftm_quaddec_probe()
292 		return -ENODEV;  in ftm_quaddec_probe()
295 	ftm->pdev = pdev;  in ftm_quaddec_probe()
296 	ftm->big_endian = of_property_read_bool(node, "big-endian");  in ftm_quaddec_probe()
297 	ftm->ftm_base = devm_ioremap(&pdev->dev, io->start, resource_size(io));  in ftm_quaddec_probe()
299 	if (!ftm->ftm_base) {  in ftm_quaddec_probe()
300 		dev_err(&pdev->dev, "Failed to map memory region\n");  in ftm_quaddec_probe()
301 		return -EINVAL;  in ftm_quaddec_probe()
303 	ftm->counter.name = dev_name(&pdev->dev);  in ftm_quaddec_probe()
304 	ftm->counter.parent = &pdev->dev;  in ftm_quaddec_probe()
305 	ftm->counter.ops = &ftm_quaddec_cnt_ops;  in ftm_quaddec_probe()
306 	ftm->counter.counts = &ftm_quaddec_counts;  in ftm_quaddec_probe()
307 	ftm->counter.num_counts = 1;  in ftm_quaddec_probe()
308 	ftm->counter.signals = ftm_quaddec_signals;  in ftm_quaddec_probe()
309 	ftm->counter.num_signals = ARRAY_SIZE(ftm_quaddec_signals);  in ftm_quaddec_probe()
310 	ftm->counter.priv = ftm;  in ftm_quaddec_probe()
312 	mutex_init(&ftm->ftm_quaddec_mutex);  in ftm_quaddec_probe()
316 	ret = devm_add_action_or_reset(&pdev->dev, ftm_quaddec_disable, ftm);  in ftm_quaddec_probe()
320 	ret = devm_counter_register(&pdev->dev, &ftm->counter);  in ftm_quaddec_probe()
328 	{ .compatible = "fsl,ftm-quaddec" },
334 		.name = "ftm-quaddec",