1 // SPDX-License-Identifier: GPL-2.0-only
20 #include <linux/i2c.h>
21 #include <linux/platform_data/i2c-ocores.h>
22 #include <linux/platform_data/i2c-xiic.h>
51 /*--------------------------------------------------------------------------*/
367 		.name = "timb-dma",
374 		.name = "timb-uart",
379 		.name = "xiic-i2c",
386 		.name = "timb-gpio",
393 		.name = "timb-video",
400 		.name = "timb-radio",
424 		.name = "timb-dma",
431 		.name = "timb-uart",
441 		.name = "xiic-i2c",
448 		.name = "timb-gpio",
455 		.name = "timb-mlogicore",
460 		.name = "timb-video",
467 		.name = "timb-radio",
491 		.name = "timb-dma",
498 		.name = "timb-uart",
503 		.name = "xiic-i2c",
510 		.name = "timb-gpio",
517 		.name = "timb-video",
524 		.name = "timb-radio",
541 		.name = "timb-dma",
548 		.name = "timb-uart",
553 		.name = "ocores-i2c",
560 		.name = "timb-gpio",
567 		.name = "timb-video",
574 		.name = "timb-radio",
631 	return sprintf(buf, "%d.%d.%d\n", priv->fw.major, priv->fw.minor,  in fw_ver_show()
632 		priv->fw.config);  in fw_ver_show()
637 /*--------------------------------------------------------------------------*/
650 		return -ENOMEM;  in timb_probe()
660 		dev_err(&dev->dev, "No resource\n");  in timb_probe()
665 	priv->ctl_mapbase = mapbase + CHIPCTLOFFSET;  in timb_probe()
666 	if (!request_mem_region(priv->ctl_mapbase, CHIPCTLSIZE, "timb-ctl")) {  in timb_probe()
667 		dev_err(&dev->dev, "Failed to request ctl mem\n");  in timb_probe()
671 	priv->ctl_membase = ioremap(priv->ctl_mapbase, CHIPCTLSIZE);  in timb_probe()
672 	if (!priv->ctl_membase) {  in timb_probe()
673 		dev_err(&dev->dev, "ioremap failed for ctl mem\n");  in timb_probe()
678 	priv->fw.major = ioread32(priv->ctl_membase + TIMB_REV_MAJOR);  in timb_probe()
679 	priv->fw.minor = ioread32(priv->ctl_membase + TIMB_REV_MINOR);  in timb_probe()
680 	priv->fw.config = ioread32(priv->ctl_membase + TIMB_HW_CONFIG);  in timb_probe()
682 	if (priv->fw.major > TIMB_SUPPORTED_MAJOR) {  in timb_probe()
683 		dev_err(&dev->dev, "The driver supports an older "  in timb_probe()
685 			"support %d.%d\n", priv->fw.major, priv->fw.minor);  in timb_probe()
688 	if (priv->fw.major < TIMB_SUPPORTED_MAJOR ||  in timb_probe()
689 		priv->fw.minor < TIMB_REQUIRED_MINOR) {  in timb_probe()
690 		dev_err(&dev->dev, "The FPGA image is too old (%d.%d), "  in timb_probe()
692 			priv->fw.major, priv->fw.minor,  in timb_probe()
707 		dev_err(&dev->dev,  in timb_probe()
708 			"MSI-X init failed: %d, expected entries: %d\n",  in timb_probe()
713 	err = device_create_file(&dev->dev, &dev_attr_fw_ver);  in timb_probe()
718 	iowrite32(0x1, priv->ctl_membase + TIMB_SW_RST);  in timb_probe()
720 	/* update IRQ offsets in I2C board info */  in timb_probe()
726 	if (priv->fw.config & TIMB_HW_CONFIG_SPI_8BIT) {  in timb_probe()
740 	ip_setup = priv->fw.config & TIMB_HW_VER_MASK;  in timb_probe()
743 		err = mfd_add_devices(&dev->dev, -1,  in timb_probe()
746 			&dev->resource[0], msix_entries[0].vector, NULL);  in timb_probe()
749 		err = mfd_add_devices(&dev->dev, -1,  in timb_probe()
752 			&dev->resource[0], msix_entries[0].vector, NULL);  in timb_probe()
755 		err = mfd_add_devices(&dev->dev, -1,  in timb_probe()
758 			&dev->resource[0], msix_entries[0].vector, NULL);  in timb_probe()
761 		err = mfd_add_devices(&dev->dev, -1,  in timb_probe()
764 			&dev->resource[0], msix_entries[0].vector, NULL);  in timb_probe()
767 		dev_err(&dev->dev, "Unknown IP setup: %d.%d.%d\n",  in timb_probe()
768 			priv->fw.major, priv->fw.minor, ip_setup);  in timb_probe()
769 		err = -ENODEV;  in timb_probe()
774 		dev_err(&dev->dev, "mfd_add_devices failed: %d\n", err);  in timb_probe()
778 	err = mfd_add_devices(&dev->dev, 0,  in timb_probe()
780 		&dev->resource[1], msix_entries[0].vector, NULL);  in timb_probe()
782 		dev_err(&dev->dev, "mfd_add_devices failed: %d\n", err);  in timb_probe()
787 	if (((priv->fw.config & TIMB_HW_VER_MASK) == TIMB_HW_VER0) ||  in timb_probe()
788 		((priv->fw.config & TIMB_HW_VER_MASK) == TIMB_HW_VER3)) {  in timb_probe()
789 		err = mfd_add_devices(&dev->dev, 1, timberdale_cells_bar2,  in timb_probe()
791 			&dev->resource[2], msix_entries[0].vector, NULL);  in timb_probe()
793 			dev_err(&dev->dev, "mfd_add_devices failed: %d\n", err);  in timb_probe()
800 	dev_info(&dev->dev,  in timb_probe()
802 		priv->fw.major, priv->fw.minor, priv->fw.config);  in timb_probe()
807 	mfd_remove_devices(&dev->dev);  in timb_probe()
809 	device_remove_file(&dev->dev, &dev_attr_fw_ver);  in timb_probe()
815 	iounmap(priv->ctl_membase);  in timb_probe()
817 	release_mem_region(priv->ctl_mapbase, CHIPCTLSIZE);  in timb_probe()
822 	return -ENODEV;  in timb_probe()
829 	mfd_remove_devices(&dev->dev);  in timb_remove()
831 	device_remove_file(&dev->dev, &dev_attr_fw_ver);  in timb_remove()
833 	iounmap(priv->ctl_membase);  in timb_remove()
834 	release_mem_region(priv->ctl_mapbase, CHIPCTLSIZE);  in timb_remove()
856 MODULE_AUTHOR("Mocean Laboratories <info@mocean-labs.com>");