1 // SPDX-License-Identifier: GPL-2.0-or-later
4 #include <linux/clk-provider.h>
7 #include <linux/reset-controller.h>
8 #include <linux/reset/reset-simple.h>
28 	struct clk_dvp *dvp;  in clk_dvp_probe()  local
32 	dvp = devm_kzalloc(&pdev->dev, sizeof(*dvp), GFP_KERNEL);  in clk_dvp_probe()
33 	if (!dvp)  in clk_dvp_probe()
34 		return -ENOMEM;  in clk_dvp_probe()
35 	platform_set_drvdata(pdev, dvp);  in clk_dvp_probe()
37 	dvp->data = devm_kzalloc(&pdev->dev,  in clk_dvp_probe()
38 				 struct_size(dvp->data, hws, NR_CLOCKS),  in clk_dvp_probe()
40 	if (!dvp->data)  in clk_dvp_probe()
41 		return -ENOMEM;  in clk_dvp_probe()
42 	data = dvp->data;  in clk_dvp_probe()
48 	dvp->reset.rcdev.owner = THIS_MODULE;  in clk_dvp_probe()
49 	dvp->reset.rcdev.nr_resets = NR_RESETS;  in clk_dvp_probe()
50 	dvp->reset.rcdev.ops = &reset_simple_ops;  in clk_dvp_probe()
51 	dvp->reset.rcdev.of_node = pdev->dev.of_node;  in clk_dvp_probe()
52 	dvp->reset.membase = base + DVP_HT_RPI_SW_INIT;  in clk_dvp_probe()
53 	spin_lock_init(&dvp->reset.lock);  in clk_dvp_probe()
55 	ret = devm_reset_controller_register(&pdev->dev, &dvp->reset.rcdev);  in clk_dvp_probe()
59 	data->hws[0] = clk_hw_register_gate_parent_data(&pdev->dev,  in clk_dvp_probe()
60 							"hdmi0-108MHz",  in clk_dvp_probe()
64 							&dvp->reset.lock);  in clk_dvp_probe()
65 	if (IS_ERR(data->hws[0]))  in clk_dvp_probe()
66 		return PTR_ERR(data->hws[0]);  in clk_dvp_probe()
68 	data->hws[1] = clk_hw_register_gate_parent_data(&pdev->dev,  in clk_dvp_probe()
69 							"hdmi1-108MHz",  in clk_dvp_probe()
73 							&dvp->reset.lock);  in clk_dvp_probe()
74 	if (IS_ERR(data->hws[1])) {  in clk_dvp_probe()
75 		ret = PTR_ERR(data->hws[1]);  in clk_dvp_probe()
79 	data->num = NR_CLOCKS;  in clk_dvp_probe()
80 	ret = of_clk_add_hw_provider(pdev->dev.of_node, of_clk_hw_onecell_get,  in clk_dvp_probe()
88 	clk_hw_unregister_gate(data->hws[1]);  in clk_dvp_probe()
91 	clk_hw_unregister_gate(data->hws[0]);  in clk_dvp_probe()
97 	struct clk_dvp *dvp = platform_get_drvdata(pdev);  in clk_dvp_remove()  local
98 	struct clk_hw_onecell_data *data = dvp->data;  in clk_dvp_remove()
100 	clk_hw_unregister_gate(data->hws[1]);  in clk_dvp_remove()
101 	clk_hw_unregister_gate(data->hws[0]);  in clk_dvp_remove()
107 	{ .compatible = "brcm,brcm2711-dvp", },
116 		.name		= "brcm2711-dvp",
123 MODULE_DESCRIPTION("BCM2711 DVP clock driver");