Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Jonas Gorski | 1881 | 99.89% | 1 | 50.00% |
kbuild test robot | 2 | 0.11% | 1 | 50.00% |
Total | 1883 | 2 |
// SPDX-License-Identifier: GPL-2.0 #include <linux/clk-provider.h> #include <linux/init.h> #include <linux/of.h> #include <linux/of_device.h> #include <linux/platform_device.h> struct clk_bcm63xx_table_entry { const char * const name; u8 bit; unsigned long flags; }; struct clk_bcm63xx_hw { void __iomem *regs; spinlock_t lock; struct clk_hw_onecell_data data; }; static const struct clk_bcm63xx_table_entry bcm3368_clocks[] = { { .name = "mac", .bit = 3, }, { .name = "tc", .bit = 5, }, { .name = "us_top", .bit = 6, }, { .name = "ds_top", .bit = 7, }, { .name = "acm", .bit = 8, }, { .name = "spi", .bit = 9, }, { .name = "usbs", .bit = 10, }, { .name = "bmu", .bit = 11, }, { .name = "pcm", .bit = 12, }, { .name = "ntp", .bit = 13, }, { .name = "acp_b", .bit = 14, }, { .name = "acp_a", .bit = 15, }, { .name = "emusb", .bit = 17, }, { .name = "enet0", .bit = 18, }, { .name = "enet1", .bit = 19, }, { .name = "usbsu", .bit = 20, }, { .name = "ephy", .bit = 21, }, { }, }; static const struct clk_bcm63xx_table_entry bcm6328_clocks[] = { { .name = "phy_mips", .bit = 0, }, { .name = "adsl_qproc", .bit = 1, }, { .name = "adsl_afe", .bit = 2, }, { .name = "adsl", .bit = 3, }, { .name = "mips", .bit = 4, .flags = CLK_IS_CRITICAL, }, { .name = "sar", .bit = 5, }, { .name = "pcm", .bit = 6, }, { .name = "usbd", .bit = 7, }, { .name = "usbh", .bit = 8, }, { .name = "hsspi", .bit = 9, }, { .name = "pcie", .bit = 10, }, { .name = "robosw", .bit = 11, }, { }, }; static const struct clk_bcm63xx_table_entry bcm6358_clocks[] = { { .name = "enet", .bit = 4, }, { .name = "adslphy", .bit = 5, }, { .name = "pcm", .bit = 8, }, { .name = "spi", .bit = 9, }, { .name = "usbs", .bit = 10, }, { .name = "sar", .bit = 11, }, { .name = "emusb", .bit = 17, }, { .name = "enet0", .bit = 18, }, { .name = "enet1", .bit = 19, }, { .name = "usbsu", .bit = 20, }, { .name = "ephy", .bit = 21, }, { }, }; static const struct clk_bcm63xx_table_entry bcm6362_clocks[] = { { .name = "adsl_qproc", .bit = 1, }, { .name = "adsl_afe", .bit = 2, }, { .name = "adsl", .bit = 3, }, { .name = "mips", .bit = 4, .flags = CLK_IS_CRITICAL, }, { .name = "wlan_ocp", .bit = 5, }, { .name = "swpkt_usb", .bit = 7, }, { .name = "swpkt_sar", .bit = 8, }, { .name = "sar", .bit = 9, }, { .name = "robosw", .bit = 10, }, { .name = "pcm", .bit = 11, }, { .name = "usbd", .bit = 12, }, { .name = "usbh", .bit = 13, }, { .name = "ipsec", .bit = 14, }, { .name = "spi", .bit = 15, }, { .name = "hsspi", .bit = 16, }, { .name = "pcie", .bit = 17, }, { .name = "fap", .bit = 18, }, { .name = "phymips", .bit = 19, }, { .name = "nand", .bit = 20, }, { }, }; static const struct clk_bcm63xx_table_entry bcm6368_clocks[] = { { .name = "vdsl_qproc", .bit = 2, }, { .name = "vdsl_afe", .bit = 3, }, { .name = "vdsl_bonding", .bit = 4, }, { .name = "vdsl", .bit = 5, }, { .name = "phymips", .bit = 6, }, { .name = "swpkt_usb", .bit = 7, }, { .name = "swpkt_sar", .bit = 8, }, { .name = "spi", .bit = 9, }, { .name = "usbd", .bit = 10, }, { .name = "sar", .bit = 11, }, { .name = "robosw", .bit = 12, }, { .name = "utopia", .bit = 13, }, { .name = "pcm", .bit = 14, }, { .name = "usbh", .bit = 15, }, { .name = "disable_gless", .bit = 16, }, { .name = "nand", .bit = 17, }, { .name = "ipsec", .bit = 18, }, { }, }; static const struct clk_bcm63xx_table_entry bcm63268_clocks[] = { { .name = "disable_gless", .bit = 0, }, { .name = "vdsl_qproc", .bit = 1, }, { .name = "vdsl_afe", .bit = 2, }, { .name = "vdsl", .bit = 3, }, { .name = "mips", .bit = 4, .flags = CLK_IS_CRITICAL, }, { .name = "wlan_ocp", .bit = 5, }, { .name = "dect", .bit = 6, }, { .name = "fap0", .bit = 7, }, { .name = "fap1", .bit = 8, }, { .name = "sar", .bit = 9, }, { .name = "robosw", .bit = 10, }, { .name = "pcm", .bit = 11, }, { .name = "usbd", .bit = 12, }, { .name = "usbh", .bit = 13, }, { .name = "ipsec", .bit = 14, }, { .name = "spi", .bit = 15, }, { .name = "hsspi", .bit = 16, }, { .name = "pcie", .bit = 17, }, { .name = "phymips", .bit = 18, }, { .name = "gmac", .bit = 19, }, { .name = "nand", .bit = 20, }, { .name = "tbus", .bit = 27, }, { .name = "robosw250", .bit = 31, }, { }, }; static int clk_bcm63xx_probe(struct platform_device *pdev) { const struct clk_bcm63xx_table_entry *entry, *table; struct clk_bcm63xx_hw *hw; u8 maxbit = 0; int i, ret; table = of_device_get_match_data(&pdev->dev); if (!table) return -EINVAL; for (entry = table; entry->name; entry++) maxbit = max_t(u8, maxbit, entry->bit); hw = devm_kzalloc(&pdev->dev, struct_size(hw, data.hws, maxbit), GFP_KERNEL); if (!hw) return -ENOMEM; platform_set_drvdata(pdev, hw); spin_lock_init(&hw->lock); hw->data.num = maxbit; for (i = 0; i < maxbit; i++) hw->data.hws[i] = ERR_PTR(-ENODEV); hw->regs = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(hw->regs)) return PTR_ERR(hw->regs); for (entry = table; entry->name; entry++) { struct clk_hw *clk; clk = clk_hw_register_gate(&pdev->dev, entry->name, NULL, entry->flags, hw->regs, entry->bit, CLK_GATE_BIG_ENDIAN, &hw->lock); if (IS_ERR(clk)) { ret = PTR_ERR(clk); goto out_err; } hw->data.hws[entry->bit] = clk; } ret = of_clk_add_hw_provider(pdev->dev.of_node, of_clk_hw_onecell_get, &hw->data); if (!ret) return 0; out_err: for (i = 0; i < hw->data.num; i++) { if (!IS_ERR(hw->data.hws[i])) clk_hw_unregister_gate(hw->data.hws[i]); } return ret; } static int clk_bcm63xx_remove(struct platform_device *pdev) { struct clk_bcm63xx_hw *hw = platform_get_drvdata(pdev); int i; of_clk_del_provider(pdev->dev.of_node); for (i = 0; i < hw->data.num; i++) { if (!IS_ERR(hw->data.hws[i])) clk_hw_unregister_gate(hw->data.hws[i]); } return 0; } static const struct of_device_id clk_bcm63xx_dt_ids[] = { { .compatible = "brcm,bcm3368-clocks", .data = &bcm3368_clocks, }, { .compatible = "brcm,bcm6328-clocks", .data = &bcm6328_clocks, }, { .compatible = "brcm,bcm6358-clocks", .data = &bcm6358_clocks, }, { .compatible = "brcm,bcm6362-clocks", .data = &bcm6362_clocks, }, { .compatible = "brcm,bcm6368-clocks", .data = &bcm6368_clocks, }, { .compatible = "brcm,bcm63268-clocks", .data = &bcm63268_clocks, }, { } }; static struct platform_driver clk_bcm63xx = { .probe = clk_bcm63xx_probe, .remove = clk_bcm63xx_remove, .driver = { .name = "bcm63xx-clock", .of_match_table = clk_bcm63xx_dt_ids, }, }; builtin_platform_driver(clk_bcm63xx);
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