| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Copyright (c) 2021 MediaTek Inc. |
| * Author: Sam Shih <sam.shih@mediatek.com> |
| * Author: Wenzhen Yu <wenzhen.yu@mediatek.com> |
| */ |
| |
| #include <linux/clk-provider.h> |
| #include <linux/mod_devicetable.h> |
| #include <linux/platform_device.h> |
| #include "clk-mtk.h" |
| #include "clk-gate.h" |
| #include "clk-mux.h" |
| |
| #include <dt-bindings/clock/mt7986-clk.h> |
| #include <linux/clk.h> |
| |
| static DEFINE_SPINLOCK(mt7986_clk_lock); |
| |
| static const struct mtk_fixed_clk top_fixed_clks[] = { |
| FIXED_CLK(CLK_TOP_XTAL, "top_xtal", "clkxtal", 40000000), |
| FIXED_CLK(CLK_TOP_JTAG, "top_jtag", "clkxtal", 50000000), |
| }; |
| |
| static const struct mtk_fixed_factor top_divs[] = { |
| /* XTAL */ |
| FACTOR(CLK_TOP_XTAL_D2, "top_xtal_d2", "top_xtal", 1, 2), |
| FACTOR(CLK_TOP_RTC_32K, "top_rtc_32k", "top_xtal", 1, 1250), |
| FACTOR(CLK_TOP_RTC_32P7K, "top_rtc_32p7k", "top_xtal", 1, 1220), |
| /* MPLL */ |
| FACTOR(CLK_TOP_MPLL_D2, "top_mpll_d2", "mpll", 1, 2), |
| FACTOR(CLK_TOP_MPLL_D4, "top_mpll_d4", "mpll", 1, 4), |
| FACTOR(CLK_TOP_MPLL_D8, "top_mpll_d8", "mpll", 1, 8), |
| FACTOR(CLK_TOP_MPLL_D8_D2, "top_mpll_d8_d2", "mpll", 1, 16), |
| FACTOR(CLK_TOP_MPLL_D3_D2, "top_mpll_d3_d2", "mpll", 1, 6), |
| /* MMPLL */ |
| FACTOR(CLK_TOP_MMPLL_D2, "top_mmpll_d2", "mmpll", 1, 2), |
| FACTOR(CLK_TOP_MMPLL_D4, "top_mmpll_d4", "mmpll", 1, 4), |
| FACTOR(CLK_TOP_MMPLL_D8, "top_mmpll_d8", "mmpll", 1, 8), |
| FACTOR(CLK_TOP_MMPLL_D8_D2, "top_mmpll_d8_d2", "mmpll", 1, 16), |
| FACTOR(CLK_TOP_MMPLL_D3_D8, "top_mmpll_d3_d8", "mmpll", 1, 24), |
| FACTOR(CLK_TOP_MMPLL_U2PHY, "top_mmpll_u2phy", "mmpll", 1, 30), |
| /* APLL2 */ |
| FACTOR(CLK_TOP_APLL2_D4, "top_apll2_d4", "apll2", 1, 4), |
| /* NET1PLL */ |
| FACTOR(CLK_TOP_NET1PLL_D4, "top_net1pll_d4", "net1pll", 1, 4), |
| FACTOR(CLK_TOP_NET1PLL_D5, "top_net1pll_d5", "net1pll", 1, 5), |
| FACTOR(CLK_TOP_NET1PLL_D5_D2, "top_net1pll_d5_d2", "net1pll", 1, 10), |
| FACTOR(CLK_TOP_NET1PLL_D5_D4, "top_net1pll_d5_d4", "net1pll", 1, 20), |
| FACTOR(CLK_TOP_NET1PLL_D8_D2, "top_net1pll_d8_d2", "net1pll", 1, 16), |
| FACTOR(CLK_TOP_NET1PLL_D8_D4, "top_net1pll_d8_d4", "net1pll", 1, 32), |
| /* NET2PLL */ |
| FACTOR(CLK_TOP_NET2PLL_D4, "top_net2pll_d4", "net2pll", 1, 4), |
| FACTOR(CLK_TOP_NET2PLL_D4_D2, "top_net2pll_d4_d2", "net2pll", 1, 8), |
| FACTOR(CLK_TOP_NET2PLL_D3_D2, "top_net2pll_d3_d2", "net2pll", 1, 2), |
| /* WEDMCUPLL */ |
| FACTOR(CLK_TOP_WEDMCUPLL_D5_D2, "top_wedmcupll_d5_d2", "wedmcupll", 1, |
| 10), |
| }; |
| |
| static const char *const nfi1x_parents[] __initconst = { "top_xtal", |
| "top_mmpll_d8", |
| "top_net1pll_d8_d2", |
| "top_net2pll_d3_d2", |
| "top_mpll_d4", |
| "top_mmpll_d8_d2", |
| "top_wedmcupll_d5_d2", |
| "top_mpll_d8" }; |
| |
| static const char *const spinfi_parents[] __initconst = { |
| "top_xtal_d2", "top_xtal", "top_net1pll_d5_d4", |
| "top_mpll_d4", "top_mmpll_d8_d2", "top_wedmcupll_d5_d2", |
| "top_mmpll_d3_d8", "top_mpll_d8" |
| }; |
| |
| static const char *const spi_parents[] __initconst = { |
| "top_xtal", "top_mpll_d2", "top_mmpll_d8", |
| "top_net1pll_d8_d2", "top_net2pll_d3_d2", "top_net1pll_d5_d4", |
| "top_mpll_d4", "top_wedmcupll_d5_d2" |
| }; |
| |
| static const char *const uart_parents[] __initconst = { "top_xtal", |
| "top_mpll_d8", |
| "top_mpll_d8_d2" }; |
| |
| static const char *const pwm_parents[] __initconst = { |
| "top_xtal", "top_net1pll_d8_d2", "top_net1pll_d5_d4", "top_mpll_d4" |
| }; |
| |
| static const char *const i2c_parents[] __initconst = { |
| "top_xtal", "top_net1pll_d5_d4", "top_mpll_d4", "top_net1pll_d8_d4" |
| }; |
| |
| static const char *const pextp_tl_ck_parents[] __initconst = { |
| "top_xtal", "top_net1pll_d5_d4", "top_net2pll_d4_d2", "top_rtc_32k" |
| }; |
| |
| static const char *const emmc_250m_parents[] __initconst = { |
| "top_xtal", "top_net1pll_d5_d2" |
| }; |
| |
| static const char *const emmc_416m_parents[] __initconst = { "top_xtal", |
| "mpll" }; |
| |
| static const char *const f_26m_adc_parents[] __initconst = { "top_xtal", |
| "top_mpll_d8_d2" }; |
| |
| static const char *const dramc_md32_parents[] __initconst = { "top_xtal", |
| "top_mpll_d2" }; |
| |
| static const char *const sysaxi_parents[] __initconst = { "top_xtal", |
| "top_net1pll_d8_d2", |
| "top_net2pll_d4" }; |
| |
| static const char *const sysapb_parents[] __initconst = { "top_xtal", |
| "top_mpll_d3_d2", |
| "top_net2pll_d4_d2" }; |
| |
| static const char *const arm_db_main_parents[] __initconst = { |
| "top_xtal", "top_net2pll_d3_d2" |
| }; |
| |
| static const char *const arm_db_jtsel_parents[] __initconst = { "top_jtag", |
| "top_xtal" }; |
| |
| static const char *const netsys_parents[] __initconst = { "top_xtal", |
| "top_mmpll_d4" }; |
| |
| static const char *const netsys_500m_parents[] __initconst = { |
| "top_xtal", "top_net1pll_d5" |
| }; |
| |
| static const char *const netsys_mcu_parents[] __initconst = { |
| "top_xtal", "wedmcupll", "top_mmpll_d2", "top_net1pll_d4", |
| "top_net1pll_d5" |
| }; |
| |
| static const char *const netsys_2x_parents[] __initconst = { |
| "top_xtal", "net2pll", "wedmcupll", "top_mmpll_d2" |
| }; |
| |
| static const char *const sgm_325m_parents[] __initconst = { "top_xtal", |
| "sgmpll" }; |
| |
| static const char *const sgm_reg_parents[] __initconst = { |
| "top_xtal", "top_net1pll_d8_d4" |
| }; |
| |
| static const char *const a1sys_parents[] __initconst = { "top_xtal", |
| "top_apll2_d4" }; |
| |
| static const char *const conn_mcusys_parents[] __initconst = { "top_xtal", |
| "top_mmpll_d2" }; |
| |
| static const char *const eip_b_parents[] __initconst = { "top_xtal", |
| "net2pll" }; |
| |
| static const char *const aud_l_parents[] __initconst = { "top_xtal", "apll2", |
| "top_mpll_d8_d2" }; |
| |
| static const char *const a_tuner_parents[] __initconst = { "top_xtal", |
| "top_apll2_d4", |
| "top_mpll_d8_d2" }; |
| |
| static const char *const u2u3_sys_parents[] __initconst = { |
| "top_xtal", "top_net1pll_d5_d4" |
| }; |
| |
| static const char *const da_u2_refsel_parents[] __initconst = { |
| "top_xtal", "top_mmpll_u2phy" |
| }; |
| |
| static const struct mtk_mux top_muxes[] = { |
| /* CLK_CFG_0 */ |
| MUX_GATE_CLR_SET_UPD(CLK_TOP_NFI1X_SEL, "nfi1x_sel", nfi1x_parents, |
| 0x000, 0x004, 0x008, 0, 3, 7, 0x1C0, 0), |
| MUX_GATE_CLR_SET_UPD(CLK_TOP_SPINFI_SEL, "spinfi_sel", spinfi_parents, |
| 0x000, 0x004, 0x008, 8, 3, 15, 0x1C0, 1), |
| MUX_GATE_CLR_SET_UPD(CLK_TOP_SPI_SEL, "spi_sel", spi_parents, 0x000, |
| 0x004, 0x008, 16, 3, 23, 0x1C0, 2), |
| MUX_GATE_CLR_SET_UPD(CLK_TOP_SPIM_MST_SEL, "spim_mst_sel", spi_parents, |
| 0x000, 0x004, 0x008, 24, 3, 31, 0x1C0, 3), |
| /* CLK_CFG_1 */ |
| MUX_GATE_CLR_SET_UPD(CLK_TOP_UART_SEL, "uart_sel", uart_parents, 0x010, |
| 0x014, 0x018, 0, 2, 7, 0x1C0, 4), |
| MUX_GATE_CLR_SET_UPD(CLK_TOP_PWM_SEL, "pwm_sel", pwm_parents, 0x010, |
| 0x014, 0x018, 8, 2, 15, 0x1C0, 5), |
| MUX_GATE_CLR_SET_UPD(CLK_TOP_I2C_SEL, "i2c_sel", i2c_parents, 0x010, |
| 0x014, 0x018, 16, 2, 23, 0x1C0, 6), |
| MUX_GATE_CLR_SET_UPD(CLK_TOP_PEXTP_TL_SEL, "pextp_tl_ck_sel", |
| pextp_tl_ck_parents, 0x010, 0x014, 0x018, 24, 2, |
| 31, 0x1C0, 7), |
| /* CLK_CFG_2 */ |
| MUX_GATE_CLR_SET_UPD_FLAGS(CLK_TOP_EMMC_250M_SEL, "emmc_250m_sel", |
| emmc_250m_parents, 0x020, 0x024, 0x028, 0, 1, 7, |
| 0x1C0, 8, 0), |
| MUX_GATE_CLR_SET_UPD_FLAGS(CLK_TOP_EMMC_416M_SEL, "emmc_416m_sel", |
| emmc_416m_parents, 0x020, 0x024, 0x028, 8, 1, 15, |
| 0x1C0, 9, 0), |
| MUX_GATE_CLR_SET_UPD(CLK_TOP_F_26M_ADC_SEL, "f_26m_adc_sel", |
| f_26m_adc_parents, 0x020, 0x024, 0x028, 16, 1, 23, |
| 0x1C0, 10), |
| MUX_GATE_CLR_SET_UPD_FLAGS(CLK_TOP_DRAMC_SEL, "dramc_sel", |
| f_26m_adc_parents, 0x020, 0x024, 0x028, |
| 24, 1, 31, 0x1C0, 11, |
| CLK_IS_CRITICAL | CLK_SET_RATE_PARENT), |
| /* CLK_CFG_3 */ |
| MUX_GATE_CLR_SET_UPD_FLAGS(CLK_TOP_DRAMC_MD32_SEL, "dramc_md32_sel", |
| dramc_md32_parents, 0x030, 0x034, 0x038, |
| 0, 1, 7, 0x1C0, 12, |
| CLK_IS_CRITICAL | CLK_SET_RATE_PARENT), |
| MUX_GATE_CLR_SET_UPD_FLAGS(CLK_TOP_SYSAXI_SEL, "sysaxi_sel", |
| sysaxi_parents, 0x030, 0x034, 0x038, |
| 8, 2, 15, 0x1C0, 13, |
| CLK_IS_CRITICAL | CLK_SET_RATE_PARENT), |
| MUX_GATE_CLR_SET_UPD_FLAGS(CLK_TOP_SYSAPB_SEL, "sysapb_sel", |
| sysapb_parents, 0x030, 0x034, 0x038, |
| 16, 2, 23, 0x1C0, 14, |
| CLK_IS_CRITICAL | CLK_SET_RATE_PARENT), |
| MUX_GATE_CLR_SET_UPD(CLK_TOP_ARM_DB_MAIN_SEL, "arm_db_main_sel", |
| arm_db_main_parents, 0x030, 0x034, 0x038, 24, 1, |
| 31, 0x1C0, 15), |
| /* CLK_CFG_4 */ |
| MUX_GATE_CLR_SET_UPD(CLK_TOP_ARM_DB_JTSEL, "arm_db_jtsel", |
| arm_db_jtsel_parents, 0x040, 0x044, 0x048, 0, 1, 7, |
| 0x1C0, 16), |
| MUX_GATE_CLR_SET_UPD(CLK_TOP_NETSYS_SEL, "netsys_sel", netsys_parents, |
| 0x040, 0x044, 0x048, 8, 1, 15, 0x1C0, 17), |
| MUX_GATE_CLR_SET_UPD(CLK_TOP_NETSYS_500M_SEL, "netsys_500m_sel", |
| netsys_500m_parents, 0x040, 0x044, 0x048, 16, 1, |
| 23, 0x1C0, 18), |
| MUX_GATE_CLR_SET_UPD(CLK_TOP_NETSYS_MCU_SEL, "netsys_mcu_sel", |
| netsys_mcu_parents, 0x040, 0x044, 0x048, 24, 3, 31, |
| 0x1C0, 19), |
| /* CLK_CFG_5 */ |
| MUX_GATE_CLR_SET_UPD(CLK_TOP_NETSYS_2X_SEL, "netsys_2x_sel", |
| netsys_2x_parents, 0x050, 0x054, 0x058, 0, 2, 7, |
| 0x1C0, 20), |
| MUX_GATE_CLR_SET_UPD(CLK_TOP_SGM_325M_SEL, "sgm_325m_sel", |
| sgm_325m_parents, 0x050, 0x054, 0x058, 8, 1, 15, |
| 0x1C0, 21), |
| MUX_GATE_CLR_SET_UPD_FLAGS(CLK_TOP_SGM_REG_SEL, "sgm_reg_sel", |
| sgm_reg_parents, 0x050, 0x054, 0x058, |
| 16, 1, 23, 0x1C0, 22, |
| CLK_IS_CRITICAL | CLK_SET_RATE_PARENT), |
| MUX_GATE_CLR_SET_UPD(CLK_TOP_A1SYS_SEL, "a1sys_sel", a1sys_parents, |
| 0x050, 0x054, 0x058, 24, 1, 31, 0x1C0, 23), |
| /* CLK_CFG_6 */ |
| MUX_GATE_CLR_SET_UPD(CLK_TOP_CONN_MCUSYS_SEL, "conn_mcusys_sel", |
| conn_mcusys_parents, 0x060, 0x064, 0x068, 0, 1, 7, |
| 0x1C0, 24), |
| MUX_GATE_CLR_SET_UPD(CLK_TOP_EIP_B_SEL, "eip_b_sel", eip_b_parents, |
| 0x060, 0x064, 0x068, 8, 1, 15, 0x1C0, 25), |
| MUX_GATE_CLR_SET_UPD(CLK_TOP_PCIE_PHY_SEL, "pcie_phy_sel", |
| f_26m_adc_parents, 0x060, 0x064, 0x068, 16, 1, 23, |
| 0x1C0, 26), |
| MUX_GATE_CLR_SET_UPD(CLK_TOP_USB3_PHY_SEL, "usb3_phy_sel", |
| f_26m_adc_parents, 0x060, 0x064, 0x068, 24, 1, 31, |
| 0x1C0, 27), |
| /* CLK_CFG_7 */ |
| MUX_GATE_CLR_SET_UPD_FLAGS(CLK_TOP_F26M_SEL, "csw_f26m_sel", |
| f_26m_adc_parents, 0x070, 0x074, 0x078, |
| 0, 1, 7, 0x1C0, 28, |
| CLK_IS_CRITICAL | CLK_SET_RATE_PARENT), |
| MUX_GATE_CLR_SET_UPD(CLK_TOP_AUD_L_SEL, "aud_l_sel", aud_l_parents, |
| 0x070, 0x074, 0x078, 8, 2, 15, 0x1C0, 29), |
| MUX_GATE_CLR_SET_UPD(CLK_TOP_A_TUNER_SEL, "a_tuner_sel", |
| a_tuner_parents, 0x070, 0x074, 0x078, 16, 2, 23, |
| 0x1C0, 30), |
| MUX_GATE_CLR_SET_UPD(CLK_TOP_U2U3_SEL, "u2u3_sel", f_26m_adc_parents, |
| 0x070, 0x074, 0x078, 24, 1, 31, 0x1C4, 0), |
| /* CLK_CFG_8 */ |
| MUX_GATE_CLR_SET_UPD(CLK_TOP_U2U3_SYS_SEL, "u2u3_sys_sel", |
| u2u3_sys_parents, 0x080, 0x084, 0x088, 0, 1, 7, |
| 0x1C4, 1), |
| MUX_GATE_CLR_SET_UPD(CLK_TOP_U2U3_XHCI_SEL, "u2u3_xhci_sel", |
| u2u3_sys_parents, 0x080, 0x084, 0x088, 8, 1, 15, |
| 0x1C4, 2), |
| MUX_GATE_CLR_SET_UPD(CLK_TOP_DA_U2_REFSEL, "da_u2_refsel", |
| da_u2_refsel_parents, 0x080, 0x084, 0x088, 16, 1, |
| 23, 0x1C4, 3), |
| MUX_GATE_CLR_SET_UPD(CLK_TOP_DA_U2_CK_1P_SEL, "da_u2_ck_1p_sel", |
| da_u2_refsel_parents, 0x080, 0x084, 0x088, 24, 1, |
| 31, 0x1C4, 4), |
| /* CLK_CFG_9 */ |
| MUX_GATE_CLR_SET_UPD(CLK_TOP_AP2CNN_HOST_SEL, "ap2cnn_host_sel", |
| sgm_reg_parents, 0x090, 0x094, 0x098, 0, 1, 7, |
| 0x1C4, 5), |
| }; |
| |
| static const struct mtk_clk_desc topck_desc = { |
| .fixed_clks = top_fixed_clks, |
| .num_fixed_clks = ARRAY_SIZE(top_fixed_clks), |
| .factor_clks = top_divs, |
| .num_factor_clks = ARRAY_SIZE(top_divs), |
| .mux_clks = top_muxes, |
| .num_mux_clks = ARRAY_SIZE(top_muxes), |
| .clk_lock = &mt7986_clk_lock, |
| }; |
| |
| static const struct of_device_id of_match_clk_mt7986_topckgen[] = { |
| { .compatible = "mediatek,mt7986-topckgen", .data = &topck_desc }, |
| { /* sentinel */ } |
| }; |
| MODULE_DEVICE_TABLE(of, of_match_clk_mt7986_topckgen); |
| |
| static struct platform_driver clk_mt7986_topckgen_drv = { |
| .probe = mtk_clk_simple_probe, |
| .remove_new = mtk_clk_simple_remove, |
| .driver = { |
| .name = "clk-mt7986-topckgen", |
| .of_match_table = of_match_clk_mt7986_topckgen, |
| }, |
| }; |
| module_platform_driver(clk_mt7986_topckgen_drv); |
| MODULE_LICENSE("GPL"); |
