1 // SPDX-License-Identifier: GPL-2.0
3  * Renesas RZ/V2M USB3DRD driver
24 	u32 val = readl(usb3->reg + offs);  in rzv2m_usb3drd_set_bit()
27 	writel(val, usb3->reg + offs);  in rzv2m_usb3drd_set_bit()
33 	u32 val = readl(usb3->reg + offs);  in rzv2m_usb3drd_clear_bit()
36 	writel(val, usb3->reg + offs);  in rzv2m_usb3drd_clear_bit()
65 	of_platform_depopulate(usb3->dev);  in rzv2m_usb3drd_remove()
66 	pm_runtime_put(usb3->dev);  in rzv2m_usb3drd_remove()
67 	pm_runtime_disable(&pdev->dev);  in rzv2m_usb3drd_remove()
68 	reset_control_assert(usb3->drd_rstc);  in rzv2m_usb3drd_remove()
76 	usb3 = devm_kzalloc(&pdev->dev, sizeof(*usb3), GFP_KERNEL);  in rzv2m_usb3drd_probe()
78 		return -ENOMEM;  in rzv2m_usb3drd_probe()
80 	usb3->dev = &pdev->dev;  in rzv2m_usb3drd_probe()
82 	usb3->drd_irq = platform_get_irq_byname(pdev, "drd");  in rzv2m_usb3drd_probe()
83 	if (usb3->drd_irq < 0)  in rzv2m_usb3drd_probe()
84 		return usb3->drd_irq;  in rzv2m_usb3drd_probe()
86 	usb3->reg = devm_platform_ioremap_resource(pdev, 0);  in rzv2m_usb3drd_probe()
87 	if (IS_ERR(usb3->reg))  in rzv2m_usb3drd_probe()
88 		return PTR_ERR(usb3->reg);  in rzv2m_usb3drd_probe()
92 	usb3->drd_rstc = devm_reset_control_get_exclusive(&pdev->dev, NULL);  in rzv2m_usb3drd_probe()
93 	if (IS_ERR(usb3->drd_rstc))  in rzv2m_usb3drd_probe()
94 		return dev_err_probe(&pdev->dev, PTR_ERR(usb3->drd_rstc),  in rzv2m_usb3drd_probe()
97 	reset_control_deassert(usb3->drd_rstc);  in rzv2m_usb3drd_probe()
98 	pm_runtime_enable(&pdev->dev);  in rzv2m_usb3drd_probe()
99 	ret = pm_runtime_resume_and_get(usb3->dev);  in rzv2m_usb3drd_probe()
103 	ret = of_platform_populate(usb3->dev->of_node, NULL, NULL, usb3->dev);  in rzv2m_usb3drd_probe()
110 	pm_runtime_put(usb3->dev);  in rzv2m_usb3drd_probe()
113 	pm_runtime_disable(&pdev->dev);  in rzv2m_usb3drd_probe()
114 	reset_control_assert(usb3->drd_rstc);  in rzv2m_usb3drd_probe()
119 	{ .compatible = "renesas,rzv2m-usb3drd", },
126 		.name = "rzv2m-usb3drd",
135 MODULE_DESCRIPTION("Renesas RZ/V2M USB3DRD driver");