Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Jiancheng Xue | 1720 | 80.45% | 2 | 22.22% |
Jianguo Sun | 180 | 8.42% | 2 | 22.22% |
tianshuliang | 134 | 6.27% | 1 | 11.11% |
Shawn Guo | 103 | 4.82% | 3 | 33.33% |
Younian Wang | 1 | 0.05% | 1 | 11.11% |
Total | 2138 | 9 |
/* * Hi3798CV200 Clock and Reset Generator Driver * * Copyright (c) 2016 HiSilicon Technologies Co., Ltd. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <dt-bindings/clock/histb-clock.h> #include <linux/clk-provider.h> #include <linux/module.h> #include <linux/of_device.h> #include <linux/platform_device.h> #include "clk.h" #include "crg.h" #include "reset.h" /* hi3798CV200 core CRG */ #define HI3798CV200_INNER_CLK_OFFSET 64 #define HI3798CV200_FIXED_24M 65 #define HI3798CV200_FIXED_25M 66 #define HI3798CV200_FIXED_50M 67 #define HI3798CV200_FIXED_75M 68 #define HI3798CV200_FIXED_100M 69 #define HI3798CV200_FIXED_150M 70 #define HI3798CV200_FIXED_200M 71 #define HI3798CV200_FIXED_250M 72 #define HI3798CV200_FIXED_300M 73 #define HI3798CV200_FIXED_400M 74 #define HI3798CV200_MMC_MUX 75 #define HI3798CV200_ETH_PUB_CLK 76 #define HI3798CV200_ETH_BUS_CLK 77 #define HI3798CV200_ETH_BUS0_CLK 78 #define HI3798CV200_ETH_BUS1_CLK 79 #define HI3798CV200_COMBPHY1_MUX 80 #define HI3798CV200_FIXED_12M 81 #define HI3798CV200_FIXED_48M 82 #define HI3798CV200_FIXED_60M 83 #define HI3798CV200_FIXED_166P5M 84 #define HI3798CV200_SDIO0_MUX 85 #define HI3798CV200_COMBPHY0_MUX 86 #define HI3798CV200_CRG_NR_CLKS 128 static const struct hisi_fixed_rate_clock hi3798cv200_fixed_rate_clks[] = { { HISTB_OSC_CLK, "clk_osc", NULL, 0, 24000000, }, { HISTB_APB_CLK, "clk_apb", NULL, 0, 100000000, }, { HISTB_AHB_CLK, "clk_ahb", NULL, 0, 200000000, }, { HI3798CV200_FIXED_12M, "12m", NULL, 0, 12000000, }, { HI3798CV200_FIXED_24M, "24m", NULL, 0, 24000000, }, { HI3798CV200_FIXED_25M, "25m", NULL, 0, 25000000, }, { HI3798CV200_FIXED_48M, "48m", NULL, 0, 48000000, }, { HI3798CV200_FIXED_50M, "50m", NULL, 0, 50000000, }, { HI3798CV200_FIXED_60M, "60m", NULL, 0, 60000000, }, { HI3798CV200_FIXED_75M, "75m", NULL, 0, 75000000, }, { HI3798CV200_FIXED_100M, "100m", NULL, 0, 100000000, }, { HI3798CV200_FIXED_150M, "150m", NULL, 0, 150000000, }, { HI3798CV200_FIXED_166P5M, "166p5m", NULL, 0, 165000000, }, { HI3798CV200_FIXED_200M, "200m", NULL, 0, 200000000, }, { HI3798CV200_FIXED_250M, "250m", NULL, 0, 250000000, }, }; static const char *const mmc_mux_p[] = { "100m", "50m", "25m", "200m", "150m" }; static u32 mmc_mux_table[] = {0, 1, 2, 3, 6}; static const char *const comphy_mux_p[] = { "100m", "25m"}; static u32 comphy_mux_table[] = {2, 3}; static const char *const sdio_mux_p[] = { "100m", "50m", "150m", "166p5m" }; static u32 sdio_mux_table[] = {0, 1, 2, 3}; static struct hisi_mux_clock hi3798cv200_mux_clks[] = { { HI3798CV200_MMC_MUX, "mmc_mux", mmc_mux_p, ARRAY_SIZE(mmc_mux_p), CLK_SET_RATE_PARENT, 0xa0, 8, 3, 0, mmc_mux_table, }, { HI3798CV200_COMBPHY0_MUX, "combphy0_mux", comphy_mux_p, ARRAY_SIZE(comphy_mux_p), CLK_SET_RATE_PARENT, 0x188, 2, 2, 0, comphy_mux_table, }, { HI3798CV200_COMBPHY1_MUX, "combphy1_mux", comphy_mux_p, ARRAY_SIZE(comphy_mux_p), CLK_SET_RATE_PARENT, 0x188, 10, 2, 0, comphy_mux_table, }, { HI3798CV200_SDIO0_MUX, "sdio0_mux", sdio_mux_p, ARRAY_SIZE(sdio_mux_p), CLK_SET_RATE_PARENT, 0x9c, 8, 2, 0, sdio_mux_table, }, }; static u32 mmc_phase_regvals[] = {0, 1, 2, 3, 4, 5, 6, 7}; static u32 mmc_phase_degrees[] = {0, 45, 90, 135, 180, 225, 270, 315}; static struct hisi_phase_clock hi3798cv200_phase_clks[] = { { HISTB_MMC_SAMPLE_CLK, "mmc_sample", "clk_mmc_ciu", CLK_SET_RATE_PARENT, 0xa0, 12, 3, mmc_phase_degrees, mmc_phase_regvals, ARRAY_SIZE(mmc_phase_regvals) }, { HISTB_MMC_DRV_CLK, "mmc_drive", "clk_mmc_ciu", CLK_SET_RATE_PARENT, 0xa0, 16, 3, mmc_phase_degrees, mmc_phase_regvals, ARRAY_SIZE(mmc_phase_regvals) }, }; static const struct hisi_gate_clock hi3798cv200_gate_clks[] = { /* UART */ { HISTB_UART2_CLK, "clk_uart2", "75m", CLK_SET_RATE_PARENT, 0x68, 4, 0, }, /* I2C */ { HISTB_I2C0_CLK, "clk_i2c0", "clk_apb", CLK_SET_RATE_PARENT, 0x6C, 4, 0, }, { HISTB_I2C1_CLK, "clk_i2c1", "clk_apb", CLK_SET_RATE_PARENT, 0x6C, 8, 0, }, { HISTB_I2C2_CLK, "clk_i2c2", "clk_apb", CLK_SET_RATE_PARENT, 0x6C, 12, 0, }, { HISTB_I2C3_CLK, "clk_i2c3", "clk_apb", CLK_SET_RATE_PARENT, 0x6C, 16, 0, }, { HISTB_I2C4_CLK, "clk_i2c4", "clk_apb", CLK_SET_RATE_PARENT, 0x6C, 20, 0, }, /* SPI */ { HISTB_SPI0_CLK, "clk_spi0", "clk_apb", CLK_SET_RATE_PARENT, 0x70, 0, 0, }, /* SDIO */ { HISTB_SDIO0_BIU_CLK, "clk_sdio0_biu", "200m", CLK_SET_RATE_PARENT, 0x9c, 0, 0, }, { HISTB_SDIO0_CIU_CLK, "clk_sdio0_ciu", "sdio0_mux", CLK_SET_RATE_PARENT, 0x9c, 1, 0, }, /* EMMC */ { HISTB_MMC_BIU_CLK, "clk_mmc_biu", "200m", CLK_SET_RATE_PARENT, 0xa0, 0, 0, }, { HISTB_MMC_CIU_CLK, "clk_mmc_ciu", "mmc_mux", CLK_SET_RATE_PARENT, 0xa0, 1, 0, }, /* PCIE*/ { HISTB_PCIE_BUS_CLK, "clk_pcie_bus", "200m", CLK_SET_RATE_PARENT, 0x18c, 0, 0, }, { HISTB_PCIE_SYS_CLK, "clk_pcie_sys", "100m", CLK_SET_RATE_PARENT, 0x18c, 1, 0, }, { HISTB_PCIE_PIPE_CLK, "clk_pcie_pipe", "250m", CLK_SET_RATE_PARENT, 0x18c, 2, 0, }, { HISTB_PCIE_AUX_CLK, "clk_pcie_aux", "24m", CLK_SET_RATE_PARENT, 0x18c, 3, 0, }, /* Ethernet */ { HI3798CV200_ETH_PUB_CLK, "clk_pub", NULL, CLK_SET_RATE_PARENT, 0xcc, 5, 0, }, { HI3798CV200_ETH_BUS_CLK, "clk_bus", "clk_pub", CLK_SET_RATE_PARENT, 0xcc, 0, 0, }, { HI3798CV200_ETH_BUS0_CLK, "clk_bus_m0", "clk_bus", CLK_SET_RATE_PARENT, 0xcc, 1, 0, }, { HI3798CV200_ETH_BUS1_CLK, "clk_bus_m1", "clk_bus", CLK_SET_RATE_PARENT, 0xcc, 2, 0, }, { HISTB_ETH0_MAC_CLK, "clk_mac0", "clk_bus_m0", CLK_SET_RATE_PARENT, 0xcc, 3, 0, }, { HISTB_ETH0_MACIF_CLK, "clk_macif0", "clk_bus_m0", CLK_SET_RATE_PARENT, 0xcc, 24, 0, }, { HISTB_ETH1_MAC_CLK, "clk_mac1", "clk_bus_m1", CLK_SET_RATE_PARENT, 0xcc, 4, 0, }, { HISTB_ETH1_MACIF_CLK, "clk_macif1", "clk_bus_m1", CLK_SET_RATE_PARENT, 0xcc, 25, 0, }, /* COMBPHY0 */ { HISTB_COMBPHY0_CLK, "clk_combphy0", "combphy0_mux", CLK_SET_RATE_PARENT, 0x188, 0, 0, }, /* COMBPHY1 */ { HISTB_COMBPHY1_CLK, "clk_combphy1", "combphy1_mux", CLK_SET_RATE_PARENT, 0x188, 8, 0, }, /* USB2 */ { HISTB_USB2_BUS_CLK, "clk_u2_bus", "clk_ahb", CLK_SET_RATE_PARENT, 0xb8, 0, 0, }, { HISTB_USB2_PHY_CLK, "clk_u2_phy", "60m", CLK_SET_RATE_PARENT, 0xb8, 4, 0, }, { HISTB_USB2_12M_CLK, "clk_u2_12m", "12m", CLK_SET_RATE_PARENT, 0xb8, 2, 0 }, { HISTB_USB2_48M_CLK, "clk_u2_48m", "48m", CLK_SET_RATE_PARENT, 0xb8, 1, 0 }, { HISTB_USB2_UTMI_CLK, "clk_u2_utmi", "60m", CLK_SET_RATE_PARENT, 0xb8, 5, 0 }, { HISTB_USB2_OTG_UTMI_CLK, "clk_u2_otg_utmi", "60m", CLK_SET_RATE_PARENT, 0xb8, 3, 0 }, { HISTB_USB2_PHY1_REF_CLK, "clk_u2_phy1_ref", "24m", CLK_SET_RATE_PARENT, 0xbc, 0, 0 }, { HISTB_USB2_PHY2_REF_CLK, "clk_u2_phy2_ref", "24m", CLK_SET_RATE_PARENT, 0xbc, 2, 0 }, /* USB3 */ { HISTB_USB3_BUS_CLK, "clk_u3_bus", NULL, CLK_SET_RATE_PARENT, 0xb0, 0, 0 }, { HISTB_USB3_UTMI_CLK, "clk_u3_utmi", NULL, CLK_SET_RATE_PARENT, 0xb0, 4, 0 }, { HISTB_USB3_PIPE_CLK, "clk_u3_pipe", NULL, CLK_SET_RATE_PARENT, 0xb0, 3, 0 }, { HISTB_USB3_SUSPEND_CLK, "clk_u3_suspend", NULL, CLK_SET_RATE_PARENT, 0xb0, 2, 0 }, { HISTB_USB3_BUS_CLK1, "clk_u3_bus1", NULL, CLK_SET_RATE_PARENT, 0xb0, 16, 0 }, { HISTB_USB3_UTMI_CLK1, "clk_u3_utmi1", NULL, CLK_SET_RATE_PARENT, 0xb0, 20, 0 }, { HISTB_USB3_PIPE_CLK1, "clk_u3_pipe1", NULL, CLK_SET_RATE_PARENT, 0xb0, 19, 0 }, { HISTB_USB3_SUSPEND_CLK1, "clk_u3_suspend1", NULL, CLK_SET_RATE_PARENT, 0xb0, 18, 0 }, }; static struct hisi_clock_data *hi3798cv200_clk_register( struct platform_device *pdev) { struct hisi_clock_data *clk_data; int ret; clk_data = hisi_clk_alloc(pdev, HI3798CV200_CRG_NR_CLKS); if (!clk_data) return ERR_PTR(-ENOMEM); /* hisi_phase_clock is resource managed */ ret = hisi_clk_register_phase(&pdev->dev, hi3798cv200_phase_clks, ARRAY_SIZE(hi3798cv200_phase_clks), clk_data); if (ret) return ERR_PTR(ret); ret = hisi_clk_register_fixed_rate(hi3798cv200_fixed_rate_clks, ARRAY_SIZE(hi3798cv200_fixed_rate_clks), clk_data); if (ret) return ERR_PTR(ret); ret = hisi_clk_register_mux(hi3798cv200_mux_clks, ARRAY_SIZE(hi3798cv200_mux_clks), clk_data); if (ret) goto unregister_fixed_rate; ret = hisi_clk_register_gate(hi3798cv200_gate_clks, ARRAY_SIZE(hi3798cv200_gate_clks), clk_data); if (ret) goto unregister_mux; ret = of_clk_add_provider(pdev->dev.of_node, of_clk_src_onecell_get, &clk_data->clk_data); if (ret) goto unregister_gate; return clk_data; unregister_gate: hisi_clk_unregister_gate(hi3798cv200_gate_clks, ARRAY_SIZE(hi3798cv200_gate_clks), clk_data); unregister_mux: hisi_clk_unregister_mux(hi3798cv200_mux_clks, ARRAY_SIZE(hi3798cv200_mux_clks), clk_data); unregister_fixed_rate: hisi_clk_unregister_fixed_rate(hi3798cv200_fixed_rate_clks, ARRAY_SIZE(hi3798cv200_fixed_rate_clks), clk_data); return ERR_PTR(ret); } static void hi3798cv200_clk_unregister(struct platform_device *pdev) { struct hisi_crg_dev *crg = platform_get_drvdata(pdev); of_clk_del_provider(pdev->dev.of_node); hisi_clk_unregister_gate(hi3798cv200_gate_clks, ARRAY_SIZE(hi3798cv200_gate_clks), crg->clk_data); hisi_clk_unregister_mux(hi3798cv200_mux_clks, ARRAY_SIZE(hi3798cv200_mux_clks), crg->clk_data); hisi_clk_unregister_fixed_rate(hi3798cv200_fixed_rate_clks, ARRAY_SIZE(hi3798cv200_fixed_rate_clks), crg->clk_data); } static const struct hisi_crg_funcs hi3798cv200_crg_funcs = { .register_clks = hi3798cv200_clk_register, .unregister_clks = hi3798cv200_clk_unregister, }; /* hi3798CV200 sysctrl CRG */ #define HI3798CV200_SYSCTRL_NR_CLKS 16 static const struct hisi_gate_clock hi3798cv200_sysctrl_gate_clks[] = { { HISTB_IR_CLK, "clk_ir", "24m", CLK_SET_RATE_PARENT, 0x48, 4, 0, }, { HISTB_TIMER01_CLK, "clk_timer01", "24m", CLK_SET_RATE_PARENT, 0x48, 6, 0, }, { HISTB_UART0_CLK, "clk_uart0", "75m", CLK_SET_RATE_PARENT, 0x48, 10, 0, }, }; static struct hisi_clock_data *hi3798cv200_sysctrl_clk_register( struct platform_device *pdev) { struct hisi_clock_data *clk_data; int ret; clk_data = hisi_clk_alloc(pdev, HI3798CV200_SYSCTRL_NR_CLKS); if (!clk_data) return ERR_PTR(-ENOMEM); ret = hisi_clk_register_gate(hi3798cv200_sysctrl_gate_clks, ARRAY_SIZE(hi3798cv200_sysctrl_gate_clks), clk_data); if (ret) return ERR_PTR(ret); ret = of_clk_add_provider(pdev->dev.of_node, of_clk_src_onecell_get, &clk_data->clk_data); if (ret) goto unregister_gate; return clk_data; unregister_gate: hisi_clk_unregister_gate(hi3798cv200_sysctrl_gate_clks, ARRAY_SIZE(hi3798cv200_sysctrl_gate_clks), clk_data); return ERR_PTR(ret); } static void hi3798cv200_sysctrl_clk_unregister(struct platform_device *pdev) { struct hisi_crg_dev *crg = platform_get_drvdata(pdev); of_clk_del_provider(pdev->dev.of_node); hisi_clk_unregister_gate(hi3798cv200_sysctrl_gate_clks, ARRAY_SIZE(hi3798cv200_sysctrl_gate_clks), crg->clk_data); } static const struct hisi_crg_funcs hi3798cv200_sysctrl_funcs = { .register_clks = hi3798cv200_sysctrl_clk_register, .unregister_clks = hi3798cv200_sysctrl_clk_unregister, }; static const struct of_device_id hi3798cv200_crg_match_table[] = { { .compatible = "hisilicon,hi3798cv200-crg", .data = &hi3798cv200_crg_funcs }, { .compatible = "hisilicon,hi3798cv200-sysctrl", .data = &hi3798cv200_sysctrl_funcs }, { } }; MODULE_DEVICE_TABLE(of, hi3798cv200_crg_match_table); static int hi3798cv200_crg_probe(struct platform_device *pdev) { struct hisi_crg_dev *crg; crg = devm_kmalloc(&pdev->dev, sizeof(*crg), GFP_KERNEL); if (!crg) return -ENOMEM; crg->funcs = of_device_get_match_data(&pdev->dev); if (!crg->funcs) return -ENOENT; crg->rstc = hisi_reset_init(pdev); if (!crg->rstc) return -ENOMEM; crg->clk_data = crg->funcs->register_clks(pdev); if (IS_ERR(crg->clk_data)) { hisi_reset_exit(crg->rstc); return PTR_ERR(crg->clk_data); } platform_set_drvdata(pdev, crg); return 0; } static int hi3798cv200_crg_remove(struct platform_device *pdev) { struct hisi_crg_dev *crg = platform_get_drvdata(pdev); hisi_reset_exit(crg->rstc); crg->funcs->unregister_clks(pdev); return 0; } static struct platform_driver hi3798cv200_crg_driver = { .probe = hi3798cv200_crg_probe, .remove = hi3798cv200_crg_remove, .driver = { .name = "hi3798cv200-crg", .of_match_table = hi3798cv200_crg_match_table, }, }; static int __init hi3798cv200_crg_init(void) { return platform_driver_register(&hi3798cv200_crg_driver); } core_initcall(hi3798cv200_crg_init); static void __exit hi3798cv200_crg_exit(void) { platform_driver_unregister(&hi3798cv200_crg_driver); } module_exit(hi3798cv200_crg_exit); MODULE_LICENSE("GPL v2"); MODULE_DESCRIPTION("HiSilicon Hi3798CV200 CRG Driver");
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