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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 | // 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/of.h> #include <linux/of_address.h> #include <linux/of_device.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_factor infra_divs[] = { FACTOR(CLK_INFRA_SYSAXI_D2, "infra_sysaxi_d2", "sysaxi_sel", 1, 2), }; static const char *const infra_uart_parent[] __initconst = { "csw_f26m_sel", "uart_sel" }; static const char *const infra_spi_parents[] __initconst = { "i2c_sel", "spi_sel" }; static const char *const infra_pwm_bsel_parents[] __initconst = { "top_rtc_32p7k", "csw_f26m_sel", "infra_sysaxi_d2", "pwm_sel" }; static const char *const infra_pcie_parents[] __initconst = { "top_rtc_32p7k", "csw_f26m_sel", "top_xtal", "pextp_tl_ck_sel" }; static const struct mtk_mux infra_muxes[] = { /* MODULE_CLK_SEL_0 */ MUX_GATE_CLR_SET_UPD(CLK_INFRA_UART0_SEL, "infra_uart0_sel", infra_uart_parent, 0x0018, 0x0010, 0x0014, 0, 1, -1, -1, -1), MUX_GATE_CLR_SET_UPD(CLK_INFRA_UART1_SEL, "infra_uart1_sel", infra_uart_parent, 0x0018, 0x0010, 0x0014, 1, 1, -1, -1, -1), MUX_GATE_CLR_SET_UPD(CLK_INFRA_UART2_SEL, "infra_uart2_sel", infra_uart_parent, 0x0018, 0x0010, 0x0014, 2, 1, -1, -1, -1), MUX_GATE_CLR_SET_UPD(CLK_INFRA_SPI0_SEL, "infra_spi0_sel", infra_spi_parents, 0x0018, 0x0010, 0x0014, 4, 1, -1, -1, -1), MUX_GATE_CLR_SET_UPD(CLK_INFRA_SPI1_SEL, "infra_spi1_sel", infra_spi_parents, 0x0018, 0x0010, 0x0014, 5, 1, -1, -1, -1), MUX_GATE_CLR_SET_UPD(CLK_INFRA_PWM1_SEL, "infra_pwm1_sel", infra_pwm_bsel_parents, 0x0018, 0x0010, 0x0014, 9, 2, -1, -1, -1), MUX_GATE_CLR_SET_UPD(CLK_INFRA_PWM2_SEL, "infra_pwm2_sel", infra_pwm_bsel_parents, 0x0018, 0x0010, 0x0014, 11, 2, -1, -1, -1), MUX_GATE_CLR_SET_UPD(CLK_INFRA_PWM_BSEL, "infra_pwm_bsel", infra_pwm_bsel_parents, 0x0018, 0x0010, 0x0014, 13, 2, -1, -1, -1), /* MODULE_CLK_SEL_1 */ MUX_GATE_CLR_SET_UPD(CLK_INFRA_PCIE_SEL, "infra_pcie_sel", infra_pcie_parents, 0x0028, 0x0020, 0x0024, 0, 2, -1, -1, -1), }; static const struct mtk_gate_regs infra0_cg_regs = { .set_ofs = 0x40, .clr_ofs = 0x44, .sta_ofs = 0x48, }; static const struct mtk_gate_regs infra1_cg_regs = { .set_ofs = 0x50, .clr_ofs = 0x54, .sta_ofs = 0x58, }; static const struct mtk_gate_regs infra2_cg_regs = { .set_ofs = 0x60, .clr_ofs = 0x64, .sta_ofs = 0x68, }; #define GATE_INFRA0(_id, _name, _parent, _shift) \ { \ .id = _id, .name = _name, .parent_name = _parent, \ .regs = &infra0_cg_regs, .shift = _shift, \ .ops = &mtk_clk_gate_ops_setclr, \ } #define GATE_INFRA1(_id, _name, _parent, _shift) \ { \ .id = _id, .name = _name, .parent_name = _parent, \ .regs = &infra1_cg_regs, .shift = _shift, \ .ops = &mtk_clk_gate_ops_setclr, \ } #define GATE_INFRA2(_id, _name, _parent, _shift) \ { \ .id = _id, .name = _name, .parent_name = _parent, \ .regs = &infra2_cg_regs, .shift = _shift, \ .ops = &mtk_clk_gate_ops_setclr, \ } static const struct mtk_gate infra_clks[] = { /* INFRA0 */ GATE_INFRA0(CLK_INFRA_GPT_STA, "infra_gpt_sta", "infra_sysaxi_d2", 0), GATE_INFRA0(CLK_INFRA_PWM_HCK, "infra_pwm_hck", "infra_sysaxi_d2", 1), GATE_INFRA0(CLK_INFRA_PWM_STA, "infra_pwm_sta", "infra_pwm_bsel", 2), GATE_INFRA0(CLK_INFRA_PWM1_CK, "infra_pwm1", "infra_pwm1_sel", 3), GATE_INFRA0(CLK_INFRA_PWM2_CK, "infra_pwm2", "infra_pwm2_sel", 4), GATE_INFRA0(CLK_INFRA_CQ_DMA_CK, "infra_cq_dma", "sysaxi_sel", 6), GATE_INFRA0(CLK_INFRA_EIP97_CK, "infra_eip97", "eip_b_sel", 7), GATE_INFRA0(CLK_INFRA_AUD_BUS_CK, "infra_aud_bus", "sysaxi_sel", 8), GATE_INFRA0(CLK_INFRA_AUD_26M_CK, "infra_aud_26m", "csw_f26m_sel", 9), GATE_INFRA0(CLK_INFRA_AUD_L_CK, "infra_aud_l", "aud_l_sel", 10), GATE_INFRA0(CLK_INFRA_AUD_AUD_CK, "infra_aud_aud", "a1sys_sel", 11), GATE_INFRA0(CLK_INFRA_AUD_EG2_CK, "infra_aud_eg2", "a_tuner_sel", 13), GATE_INFRA0(CLK_INFRA_DRAMC_26M_CK, "infra_dramc_26m", "csw_f26m_sel", 14), GATE_INFRA0(CLK_INFRA_DBG_CK, "infra_dbg", "infra_sysaxi_d2", 15), GATE_INFRA0(CLK_INFRA_AP_DMA_CK, "infra_ap_dma", "infra_sysaxi_d2", 16), GATE_INFRA0(CLK_INFRA_SEJ_CK, "infra_sej", "infra_sysaxi_d2", 24), GATE_INFRA0(CLK_INFRA_SEJ_13M_CK, "infra_sej_13m", "csw_f26m_sel", 25), GATE_INFRA0(CLK_INFRA_TRNG_CK, "infra_trng", "sysaxi_sel", 26), /* INFRA1 */ GATE_INFRA1(CLK_INFRA_THERM_CK, "infra_therm", "csw_f26m_sel", 0), GATE_INFRA1(CLK_INFRA_I2C0_CK, "infra_i2c0", "i2c_sel", 1), GATE_INFRA1(CLK_INFRA_UART0_CK, "infra_uart0", "infra_uart0_sel", 2), GATE_INFRA1(CLK_INFRA_UART1_CK, "infra_uart1", "infra_uart1_sel", 3), GATE_INFRA1(CLK_INFRA_UART2_CK, "infra_uart2", "infra_uart2_sel", 4), GATE_INFRA1(CLK_INFRA_NFI1_CK, "infra_nfi1", "nfi1x_sel", 8), GATE_INFRA1(CLK_INFRA_SPINFI1_CK, "infra_spinfi1", "spinfi_sel", 9), GATE_INFRA1(CLK_INFRA_NFI_HCK_CK, "infra_nfi_hck", "infra_sysaxi_d2", 10), GATE_INFRA1(CLK_INFRA_SPI0_CK, "infra_spi0", "infra_spi0_sel", 11), GATE_INFRA1(CLK_INFRA_SPI1_CK, "infra_spi1", "infra_spi1_sel", 12), GATE_INFRA1(CLK_INFRA_SPI0_HCK_CK, "infra_spi0_hck", "infra_sysaxi_d2", 13), GATE_INFRA1(CLK_INFRA_SPI1_HCK_CK, "infra_spi1_hck", "infra_sysaxi_d2", 14), GATE_INFRA1(CLK_INFRA_FRTC_CK, "infra_frtc", "top_rtc_32k", 15), GATE_INFRA1(CLK_INFRA_MSDC_CK, "infra_msdc", "emmc_416m_sel", 16), GATE_INFRA1(CLK_INFRA_MSDC_HCK_CK, "infra_msdc_hck", "emmc_250m_sel", 17), GATE_INFRA1(CLK_INFRA_MSDC_133M_CK, "infra_msdc_133m", "sysaxi_sel", 18), GATE_INFRA1(CLK_INFRA_MSDC_66M_CK, "infra_msdc_66m", "infra_sysaxi_d2", 19), GATE_INFRA1(CLK_INFRA_ADC_26M_CK, "infra_adc_26m", "infra_adc_frc", 20), GATE_INFRA1(CLK_INFRA_ADC_FRC_CK, "infra_adc_frc", "csw_f26m_sel", 21), GATE_INFRA1(CLK_INFRA_FBIST2FPC_CK, "infra_fbist2fpc", "nfi1x_sel", 23), /* INFRA2 */ GATE_INFRA2(CLK_INFRA_IUSB_133_CK, "infra_iusb_133", "sysaxi_sel", 0), GATE_INFRA2(CLK_INFRA_IUSB_66M_CK, "infra_iusb_66m", "infra_sysaxi_d2", 1), GATE_INFRA2(CLK_INFRA_IUSB_SYS_CK, "infra_iusb_sys", "u2u3_sys_sel", 2), GATE_INFRA2(CLK_INFRA_IUSB_CK, "infra_iusb", "u2u3_sel", 3), GATE_INFRA2(CLK_INFRA_IPCIE_CK, "infra_ipcie", "pextp_tl_ck_sel", 12), GATE_INFRA2(CLK_INFRA_IPCIE_PIPE_CK, "infra_ipcie_pipe", "top_xtal", 13), GATE_INFRA2(CLK_INFRA_IPCIER_CK, "infra_ipcier", "csw_f26m_sel", 14), GATE_INFRA2(CLK_INFRA_IPCIEB_CK, "infra_ipcieb", "sysaxi_sel", 15), }; static int clk_mt7986_infracfg_probe(struct platform_device *pdev) { struct clk_hw_onecell_data *clk_data; struct device_node *node = pdev->dev.of_node; int r; void __iomem *base; int nr = ARRAY_SIZE(infra_divs) + ARRAY_SIZE(infra_muxes) + ARRAY_SIZE(infra_clks); base = of_iomap(node, 0); if (!base) { pr_err("%s(): ioremap failed\n", __func__); return -ENOMEM; } clk_data = mtk_alloc_clk_data(nr); if (!clk_data) return -ENOMEM; mtk_clk_register_factors(infra_divs, ARRAY_SIZE(infra_divs), clk_data); mtk_clk_register_muxes(infra_muxes, ARRAY_SIZE(infra_muxes), node, &mt7986_clk_lock, clk_data); mtk_clk_register_gates(node, infra_clks, ARRAY_SIZE(infra_clks), clk_data); r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); if (r) { pr_err("%s(): could not register clock provider: %d\n", __func__, r); goto free_infracfg_data; } return r; free_infracfg_data: mtk_free_clk_data(clk_data); return r; } static const struct of_device_id of_match_clk_mt7986_infracfg[] = { { .compatible = "mediatek,mt7986-infracfg", }, {} }; static struct platform_driver clk_mt7986_infracfg_drv = { .probe = clk_mt7986_infracfg_probe, .driver = { .name = "clk-mt7986-infracfg", .of_match_table = of_match_clk_mt7986_infracfg, }, }; builtin_platform_driver(clk_mt7986_infracfg_drv); |