1 // SPDX-License-Identifier: GPL-2.0-or-later
12 #include <linux/reset-controller.h>
22 #define UNIPHIER_RESET_ID_END		((unsigned int)(-1))
58 	UNIPHIER_RESETX(30, 0x2000, 19),	/* SATA-PHY */
66 	UNIPHIER_RESETX(12, 0x2000, 6),		/* GIO (PCIe, USB3) */
69 	UNIPHIER_RESETX(24, 0x2008, 2),		/* PCIe */
80 	UNIPHIER_RESETX(16, 0x2014, 4),		/* USB30-PHY0 */
81 	UNIPHIER_RESETX(17, 0x2014, 0),		/* USB30-PHY1 */
82 	UNIPHIER_RESETX(18, 0x2014, 2),		/* USB30-PHY2 */
83 	UNIPHIER_RESETX(20, 0x2014, 5),		/* USB31-PHY0 */
84 	UNIPHIER_RESETX(21, 0x2014, 1),		/* USB31-PHY1 */
86 	UNIPHIER_RESET(30, 0x2014, 8),		/* SATA-PHY (active high) */
110 	UNIPHIER_RESETX(16, 0x200c, 12),	/* USB30-PHY0 */
111 	UNIPHIER_RESETX(17, 0x200c, 13),	/* USB30-PHY1 */
112 	UNIPHIER_RESETX(18, 0x200c, 14),	/* USB30-PHY2 */
113 	UNIPHIER_RESETX(19, 0x200c, 15),	/* USB30-PHY3 */
114 	UNIPHIER_RESETX(24, 0x200c, 4),		/* PCIe */
129 	UNIPHIER_RESETX(16, 0x200c, 16),	/* USB30-PHY0 */
130 	UNIPHIER_RESETX(17, 0x200c, 18),	/* USB30-PHY1 */
131 	UNIPHIER_RESETX(18, 0x200c, 20),	/* USB30-PHY2 */
132 	UNIPHIER_RESETX(20, 0x200c, 17),	/* USB31-PHY0 */
133 	UNIPHIER_RESETX(21, 0x200c, 19),	/* USB31-PHY1 */
134 	UNIPHIER_RESETX(24, 0x200c, 3),		/* PCIe */
137 	UNIPHIER_RESETX(30, 0x200c, 21),	/* SATA-PHY */
147 	UNIPHIER_RESETX(16, 0x200c, 24),        /* USB30-PHY0 */
148 	UNIPHIER_RESETX(17, 0x200c, 25),        /* USB30-PHY1 */
149 	UNIPHIER_RESETX(18, 0x200c, 26),        /* USB30-PHY2 */
150 	UNIPHIER_RESETX(24, 0x200c, 8),         /* PCIe */
152 	UNIPHIER_RESETX(58, 0x2010, 8),         /* HDMI-Tx */
273 	for (p = priv->data; p->id != UNIPHIER_RESET_ID_END; p++) {  in uniphier_reset_update()
276 		if (p->id != id)  in uniphier_reset_update()
279 		mask = BIT(p->bit);  in uniphier_reset_update()
286 		if (p->flags & UNIPHIER_RESET_ACTIVE_LOW)  in uniphier_reset_update()
289 		return regmap_write_bits(priv->regmap, p->reg, mask, val);  in uniphier_reset_update()
292 	dev_err(priv->dev, "reset_id=%lu was not handled\n", id);  in uniphier_reset_update()
293 	return -EINVAL;  in uniphier_reset_update()
314 	for (p = priv->data; p->id != UNIPHIER_RESET_ID_END; p++) {  in uniphier_reset_status()
318 		if (p->id != id)  in uniphier_reset_status()
321 		ret = regmap_read(priv->regmap, p->reg, &val);  in uniphier_reset_status()
325 		asserted = !!(val & BIT(p->bit));  in uniphier_reset_status()
327 		if (p->flags & UNIPHIER_RESET_ACTIVE_LOW)  in uniphier_reset_status()
333 	dev_err(priv->dev, "reset_id=%lu was not found\n", id);  in uniphier_reset_status()
334 	return -EINVAL;  in uniphier_reset_status()
345 	struct device *dev = &pdev->dev;  in uniphier_reset_probe()
354 		return -EINVAL;  in uniphier_reset_probe()
356 	parent = of_get_parent(dev->of_node); /* parent should be syscon node */  in uniphier_reset_probe()
367 		return -ENOMEM;  in uniphier_reset_probe()
369 	for (p = data; p->id != UNIPHIER_RESET_ID_END; p++)  in uniphier_reset_probe()
370 		nr_resets = max(nr_resets, p->id + 1);  in uniphier_reset_probe()
372 	priv->rcdev.ops = &uniphier_reset_ops;  in uniphier_reset_probe()
373 	priv->rcdev.owner = dev->driver->owner;  in uniphier_reset_probe()
374 	priv->rcdev.of_node = dev->of_node;  in uniphier_reset_probe()
375 	priv->rcdev.nr_resets = nr_resets;  in uniphier_reset_probe()
376 	priv->dev = dev;  in uniphier_reset_probe()
377 	priv->regmap = regmap;  in uniphier_reset_probe()
378 	priv->data = data;  in uniphier_reset_probe()
380 	return devm_reset_controller_register(&pdev->dev, &priv->rcdev);  in uniphier_reset_probe()
386 		.compatible = "socionext,uniphier-ld4-reset",
390 		.compatible = "socionext,uniphier-pro4-reset",
394 		.compatible = "socionext,uniphier-sld8-reset",
398 		.compatible = "socionext,uniphier-pro5-reset",
402 		.compatible = "socionext,uniphier-pxs2-reset",
406 		.compatible = "socionext,uniphier-ld11-reset",
410 		.compatible = "socionext,uniphier-ld20-reset",
414 		.compatible = "socionext,uniphier-pxs3-reset",
418 		.compatible = "socionext,uniphier-nx1-reset",
423 		.compatible = "socionext,uniphier-ld4-mio-reset",
427 		.compatible = "socionext,uniphier-pro4-mio-reset",
431 		.compatible = "socionext,uniphier-sld8-mio-reset",
435 		.compatible = "socionext,uniphier-pro5-sd-reset",
439 		.compatible = "socionext,uniphier-pxs2-sd-reset",
443 		.compatible = "socionext,uniphier-ld11-mio-reset",
447 		.compatible = "socionext,uniphier-ld11-sd-reset",
451 		.compatible = "socionext,uniphier-ld20-sd-reset",
455 		.compatible = "socionext,uniphier-pxs3-sd-reset",
459 		.compatible = "socionext,uniphier-nx1-sd-reset",
464 		.compatible = "socionext,uniphier-ld4-peri-reset",
468 		.compatible = "socionext,uniphier-pro4-peri-reset",
472 		.compatible = "socionext,uniphier-sld8-peri-reset",
476 		.compatible = "socionext,uniphier-pro5-peri-reset",
480 		.compatible = "socionext,uniphier-pxs2-peri-reset",
484 		.compatible = "socionext,uniphier-ld11-peri-reset",
488 		.compatible = "socionext,uniphier-ld20-peri-reset",
492 		.compatible = "socionext,uniphier-pxs3-peri-reset",
496 		.compatible = "socionext,uniphier-nx1-peri-reset",
501 		.compatible = "socionext,uniphier-ld11-adamv-reset",
505 		.compatible = "socionext,uniphier-ld20-adamv-reset",
515 		.name = "uniphier-reset",