1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Copyright 2021 NXP.
4 */
5
6 #include <linux/clk-provider.h>
7 #include <linux/err.h>
8 #include <linux/io.h>
9 #include <linux/module.h>
10 #include <linux/of_address.h>
11 #include <linux/platform_device.h>
12 #include <linux/slab.h>
13 #include <linux/types.h>
14 #include <dt-bindings/clock/imx93-clock.h>
15
16 #include "clk.h"
17
18 enum clk_sel {
19 LOW_SPEED_IO_SEL,
20 NON_IO_SEL,
21 FAST_SEL,
22 AUDIO_SEL,
23 VIDEO_SEL,
24 TPM_SEL,
25 CKO1_SEL,
26 CKO2_SEL,
27 MISC_SEL,
28 MAX_SEL
29 };
30
31 static u32 share_count_sai1;
32 static u32 share_count_sai2;
33 static u32 share_count_sai3;
34 static u32 share_count_mub;
35 static u32 share_count_pdm;
36
37 static const char * const a55_core_sels[] = {"a55_alt", "arm_pll"};
38 static const char *parent_names[MAX_SEL][4] = {
39 {"osc_24m", "sys_pll_pfd0_div2", "sys_pll_pfd1_div2", "video_pll"},
40 {"osc_24m", "sys_pll_pfd0_div2", "sys_pll_pfd1_div2", "sys_pll_pfd2_div2"},
41 {"osc_24m", "sys_pll_pfd0", "sys_pll_pfd1", "sys_pll_pfd2"},
42 {"osc_24m", "audio_pll", "video_pll", "clk_ext1"},
43 {"osc_24m", "audio_pll", "video_pll", "sys_pll_pfd0"},
44 {"osc_24m", "sys_pll_pfd0", "audio_pll", "clk_ext1"},
45 {"osc_24m", "sys_pll_pfd0", "sys_pll_pfd1", "audio_pll"},
46 {"osc_24m", "sys_pll_pfd0", "sys_pll_pfd1", "video_pll"},
47 {"osc_24m", "audio_pll", "video_pll", "sys_pll_pfd2"},
48 };
49
50 static const struct imx93_clk_root {
51 u32 clk;
52 char *name;
53 u32 off;
54 enum clk_sel sel;
55 unsigned long flags;
56 } root_array[] = {
57 /* a55/m33/bus critical clk for system run */
58 { IMX93_CLK_A55_PERIPH, "a55_periph_root", 0x0000, FAST_SEL, CLK_IS_CRITICAL },
59 { IMX93_CLK_A55_MTR_BUS, "a55_mtr_bus_root", 0x0080, LOW_SPEED_IO_SEL, CLK_IS_CRITICAL },
60 { IMX93_CLK_A55, "a55_alt_root", 0x0100, FAST_SEL, CLK_IS_CRITICAL },
61 { IMX93_CLK_M33, "m33_root", 0x0180, LOW_SPEED_IO_SEL, CLK_IS_CRITICAL },
62 { IMX93_CLK_BUS_WAKEUP, "bus_wakeup_root", 0x0280, LOW_SPEED_IO_SEL, CLK_IS_CRITICAL },
63 { IMX93_CLK_BUS_AON, "bus_aon_root", 0x0300, LOW_SPEED_IO_SEL, CLK_IS_CRITICAL },
64 { IMX93_CLK_WAKEUP_AXI, "wakeup_axi_root", 0x0380, FAST_SEL, CLK_IS_CRITICAL },
65 { IMX93_CLK_SWO_TRACE, "swo_trace_root", 0x0400, LOW_SPEED_IO_SEL, },
66 { IMX93_CLK_M33_SYSTICK, "m33_systick_root", 0x0480, LOW_SPEED_IO_SEL, },
67 { IMX93_CLK_FLEXIO1, "flexio1_root", 0x0500, LOW_SPEED_IO_SEL, },
68 { IMX93_CLK_FLEXIO2, "flexio2_root", 0x0580, LOW_SPEED_IO_SEL, },
69 { IMX93_CLK_LPTMR1, "lptmr1_root", 0x0700, LOW_SPEED_IO_SEL, },
70 { IMX93_CLK_LPTMR2, "lptmr2_root", 0x0780, LOW_SPEED_IO_SEL, },
71 { IMX93_CLK_TPM2, "tpm2_root", 0x0880, TPM_SEL, },
72 { IMX93_CLK_TPM4, "tpm4_root", 0x0980, TPM_SEL, },
73 { IMX93_CLK_TPM5, "tpm5_root", 0x0a00, TPM_SEL, },
74 { IMX93_CLK_TPM6, "tpm6_root", 0x0a80, TPM_SEL, },
75 { IMX93_CLK_FLEXSPI1, "flexspi1_root", 0x0b00, FAST_SEL, },
76 { IMX93_CLK_CAN1, "can1_root", 0x0b80, LOW_SPEED_IO_SEL, },
77 { IMX93_CLK_CAN2, "can2_root", 0x0c00, LOW_SPEED_IO_SEL, },
78 { IMX93_CLK_LPUART1, "lpuart1_root", 0x0c80, LOW_SPEED_IO_SEL, },
79 { IMX93_CLK_LPUART2, "lpuart2_root", 0x0d00, LOW_SPEED_IO_SEL, },
80 { IMX93_CLK_LPUART3, "lpuart3_root", 0x0d80, LOW_SPEED_IO_SEL, },
81 { IMX93_CLK_LPUART4, "lpuart4_root", 0x0e00, LOW_SPEED_IO_SEL, },
82 { IMX93_CLK_LPUART5, "lpuart5_root", 0x0e80, LOW_SPEED_IO_SEL, },
83 { IMX93_CLK_LPUART6, "lpuart6_root", 0x0f00, LOW_SPEED_IO_SEL, },
84 { IMX93_CLK_LPUART7, "lpuart7_root", 0x0f80, LOW_SPEED_IO_SEL, },
85 { IMX93_CLK_LPUART8, "lpuart8_root", 0x1000, LOW_SPEED_IO_SEL, },
86 { IMX93_CLK_LPI2C1, "lpi2c1_root", 0x1080, LOW_SPEED_IO_SEL, },
87 { IMX93_CLK_LPI2C2, "lpi2c2_root", 0x1100, LOW_SPEED_IO_SEL, },
88 { IMX93_CLK_LPI2C3, "lpi2c3_root", 0x1180, LOW_SPEED_IO_SEL, },
89 { IMX93_CLK_LPI2C4, "lpi2c4_root", 0x1200, LOW_SPEED_IO_SEL, },
90 { IMX93_CLK_LPI2C5, "lpi2c5_root", 0x1280, LOW_SPEED_IO_SEL, },
91 { IMX93_CLK_LPI2C6, "lpi2c6_root", 0x1300, LOW_SPEED_IO_SEL, },
92 { IMX93_CLK_LPI2C7, "lpi2c7_root", 0x1380, LOW_SPEED_IO_SEL, },
93 { IMX93_CLK_LPI2C8, "lpi2c8_root", 0x1400, LOW_SPEED_IO_SEL, },
94 { IMX93_CLK_LPSPI1, "lpspi1_root", 0x1480, LOW_SPEED_IO_SEL, },
95 { IMX93_CLK_LPSPI2, "lpspi2_root", 0x1500, LOW_SPEED_IO_SEL, },
96 { IMX93_CLK_LPSPI3, "lpspi3_root", 0x1580, LOW_SPEED_IO_SEL, },
97 { IMX93_CLK_LPSPI4, "lpspi4_root", 0x1600, LOW_SPEED_IO_SEL, },
98 { IMX93_CLK_LPSPI5, "lpspi5_root", 0x1680, LOW_SPEED_IO_SEL, },
99 { IMX93_CLK_LPSPI6, "lpspi6_root", 0x1700, LOW_SPEED_IO_SEL, },
100 { IMX93_CLK_LPSPI7, "lpspi7_root", 0x1780, LOW_SPEED_IO_SEL, },
101 { IMX93_CLK_LPSPI8, "lpspi8_root", 0x1800, LOW_SPEED_IO_SEL, },
102 { IMX93_CLK_I3C1, "i3c1_root", 0x1880, LOW_SPEED_IO_SEL, },
103 { IMX93_CLK_I3C2, "i3c2_root", 0x1900, LOW_SPEED_IO_SEL, },
104 { IMX93_CLK_USDHC1, "usdhc1_root", 0x1980, FAST_SEL, },
105 { IMX93_CLK_USDHC2, "usdhc2_root", 0x1a00, FAST_SEL, },
106 { IMX93_CLK_USDHC3, "usdhc3_root", 0x1a80, FAST_SEL, },
107 { IMX93_CLK_SAI1, "sai1_root", 0x1b00, AUDIO_SEL, },
108 { IMX93_CLK_SAI2, "sai2_root", 0x1b80, AUDIO_SEL, },
109 { IMX93_CLK_SAI3, "sai3_root", 0x1c00, AUDIO_SEL, },
110 { IMX93_CLK_CCM_CKO1, "ccm_cko1_root", 0x1c80, CKO1_SEL, },
111 { IMX93_CLK_CCM_CKO2, "ccm_cko2_root", 0x1d00, CKO2_SEL, },
112 { IMX93_CLK_CCM_CKO3, "ccm_cko3_root", 0x1d80, CKO1_SEL, },
113 { IMX93_CLK_CCM_CKO4, "ccm_cko4_root", 0x1e00, CKO2_SEL, },
114 /*
115 * Critical because clk is used for handshake between HSIOMIX and NICMIX when
116 * NICMIX power down/on during system suspend/resume
117 */
118 { IMX93_CLK_HSIO, "hsio_root", 0x1e80, LOW_SPEED_IO_SEL, CLK_IS_CRITICAL},
119 { IMX93_CLK_HSIO_USB_TEST_60M, "hsio_usb_test_60m_root", 0x1f00, LOW_SPEED_IO_SEL, },
120 { IMX93_CLK_HSIO_ACSCAN_80M, "hsio_acscan_80m_root", 0x1f80, LOW_SPEED_IO_SEL, },
121 { IMX93_CLK_HSIO_ACSCAN_480M, "hsio_acscan_480m_root", 0x2000, MISC_SEL, },
122 { IMX93_CLK_NIC_AXI, "nic_axi_root", 0x2080, FAST_SEL, CLK_IS_CRITICAL, },
123 { IMX93_CLK_ML_APB, "ml_apb_root", 0x2180, LOW_SPEED_IO_SEL, },
124 { IMX93_CLK_ML, "ml_root", 0x2200, FAST_SEL, },
125 { IMX93_CLK_MEDIA_AXI, "media_axi_root", 0x2280, FAST_SEL, },
126 { IMX93_CLK_MEDIA_APB, "media_apb_root", 0x2300, LOW_SPEED_IO_SEL, },
127 { IMX93_CLK_MEDIA_LDB, "media_ldb_root", 0x2380, VIDEO_SEL, },
128 { IMX93_CLK_MEDIA_DISP_PIX, "media_disp_pix_root", 0x2400, VIDEO_SEL, },
129 { IMX93_CLK_CAM_PIX, "cam_pix_root", 0x2480, VIDEO_SEL, },
130 { IMX93_CLK_MIPI_TEST_BYTE, "mipi_test_byte_root", 0x2500, VIDEO_SEL, },
131 { IMX93_CLK_MIPI_PHY_CFG, "mipi_phy_cfg_root", 0x2580, VIDEO_SEL, },
132 { IMX93_CLK_ADC, "adc_root", 0x2700, LOW_SPEED_IO_SEL, },
133 { IMX93_CLK_PDM, "pdm_root", 0x2780, AUDIO_SEL, },
134 { IMX93_CLK_TSTMR1, "tstmr1_root", 0x2800, LOW_SPEED_IO_SEL, },
135 { IMX93_CLK_TSTMR2, "tstmr2_root", 0x2880, LOW_SPEED_IO_SEL, },
136 { IMX93_CLK_MQS1, "mqs1_root", 0x2900, AUDIO_SEL, },
137 { IMX93_CLK_MQS2, "mqs2_root", 0x2980, AUDIO_SEL, },
138 { IMX93_CLK_AUDIO_XCVR, "audio_xcvr_root", 0x2a00, NON_IO_SEL, },
139 { IMX93_CLK_SPDIF, "spdif_root", 0x2a80, AUDIO_SEL, },
140 { IMX93_CLK_ENET, "enet_root", 0x2b00, NON_IO_SEL, },
141 { IMX93_CLK_ENET_TIMER1, "enet_timer1_root", 0x2b80, LOW_SPEED_IO_SEL, },
142 { IMX93_CLK_ENET_TIMER2, "enet_timer2_root", 0x2c00, LOW_SPEED_IO_SEL, },
143 { IMX93_CLK_ENET_REF, "enet_ref_root", 0x2c80, NON_IO_SEL, },
144 { IMX93_CLK_ENET_REF_PHY, "enet_ref_phy_root", 0x2d00, LOW_SPEED_IO_SEL, },
145 { IMX93_CLK_I3C1_SLOW, "i3c1_slow_root", 0x2d80, LOW_SPEED_IO_SEL, },
146 { IMX93_CLK_I3C2_SLOW, "i3c2_slow_root", 0x2e00, LOW_SPEED_IO_SEL, },
147 { IMX93_CLK_USB_PHY_BURUNIN, "usb_phy_root", 0x2e80, LOW_SPEED_IO_SEL, },
148 { IMX93_CLK_PAL_CAME_SCAN, "pal_came_scan_root", 0x2f00, MISC_SEL, }
149 };
150
151 static const struct imx93_clk_ccgr {
152 u32 clk;
153 char *name;
154 char *parent_name;
155 u32 off;
156 unsigned long flags;
157 u32 *shared_count;
158 } ccgr_array[] = {
159 { IMX93_CLK_A55_GATE, "a55_alt", "a55_alt_root", 0x8000, },
160 /* M33 critical clk for system run */
161 { IMX93_CLK_CM33_GATE, "cm33", "m33_root", 0x8040, CLK_IS_CRITICAL },
162 { IMX93_CLK_ADC1_GATE, "adc1", "adc_root", 0x82c0, },
163 { IMX93_CLK_WDOG1_GATE, "wdog1", "osc_24m", 0x8300, },
164 { IMX93_CLK_WDOG2_GATE, "wdog2", "osc_24m", 0x8340, },
165 { IMX93_CLK_WDOG3_GATE, "wdog3", "osc_24m", 0x8380, },
166 { IMX93_CLK_WDOG4_GATE, "wdog4", "osc_24m", 0x83c0, },
167 { IMX93_CLK_WDOG5_GATE, "wdog5", "osc_24m", 0x8400, },
168 { IMX93_CLK_SEMA1_GATE, "sema1", "bus_aon_root", 0x8440, },
169 { IMX93_CLK_SEMA2_GATE, "sema2", "bus_wakeup_root", 0x8480, },
170 { IMX93_CLK_MU1_A_GATE, "mu1_a", "bus_aon_root", 0x84c0, CLK_IGNORE_UNUSED },
171 { IMX93_CLK_MU2_A_GATE, "mu2_a", "bus_wakeup_root", 0x84c0, CLK_IGNORE_UNUSED },
172 { IMX93_CLK_MU1_B_GATE, "mu1_b", "bus_aon_root", 0x8500, 0, &share_count_mub },
173 { IMX93_CLK_MU2_B_GATE, "mu2_b", "bus_wakeup_root", 0x8500, 0, &share_count_mub },
174 { IMX93_CLK_EDMA1_GATE, "edma1", "m33_root", 0x8540, },
175 { IMX93_CLK_EDMA2_GATE, "edma2", "wakeup_axi_root", 0x8580, },
176 { IMX93_CLK_FLEXSPI1_GATE, "flexspi1", "flexspi1_root", 0x8640, },
177 { IMX93_CLK_GPIO1_GATE, "gpio1", "m33_root", 0x8880, },
178 { IMX93_CLK_GPIO2_GATE, "gpio2", "bus_wakeup_root", 0x88c0, },
179 { IMX93_CLK_GPIO3_GATE, "gpio3", "bus_wakeup_root", 0x8900, },
180 { IMX93_CLK_GPIO4_GATE, "gpio4", "bus_wakeup_root", 0x8940, },
181 { IMX93_CLK_FLEXIO1_GATE, "flexio1", "flexio1_root", 0x8980, },
182 { IMX93_CLK_FLEXIO2_GATE, "flexio2", "flexio2_root", 0x89c0, },
183 { IMX93_CLK_LPIT1_GATE, "lpit1", "bus_aon_root", 0x8a00, },
184 { IMX93_CLK_LPIT2_GATE, "lpit2", "bus_wakeup_root", 0x8a40, },
185 { IMX93_CLK_LPTMR1_GATE, "lptmr1", "lptmr1_root", 0x8a80, },
186 { IMX93_CLK_LPTMR2_GATE, "lptmr2", "lptmr2_root", 0x8ac0, },
187 { IMX93_CLK_TPM1_GATE, "tpm1", "bus_aon_root", 0x8b00, },
188 { IMX93_CLK_TPM2_GATE, "tpm2", "tpm2_root", 0x8b40, },
189 { IMX93_CLK_TPM3_GATE, "tpm3", "bus_wakeup_root", 0x8b80, },
190 { IMX93_CLK_TPM4_GATE, "tpm4", "tpm4_root", 0x8bc0, },
191 { IMX93_CLK_TPM5_GATE, "tpm5", "tpm5_root", 0x8c00, },
192 { IMX93_CLK_TPM6_GATE, "tpm6", "tpm6_root", 0x8c40, },
193 { IMX93_CLK_CAN1_GATE, "can1", "can1_root", 0x8c80, },
194 { IMX93_CLK_CAN2_GATE, "can2", "can2_root", 0x8cc0, },
195 { IMX93_CLK_LPUART1_GATE, "lpuart1", "lpuart1_root", 0x8d00, },
196 { IMX93_CLK_LPUART2_GATE, "lpuart2", "lpuart2_root", 0x8d40, },
197 { IMX93_CLK_LPUART3_GATE, "lpuart3", "lpuart3_root", 0x8d80, },
198 { IMX93_CLK_LPUART4_GATE, "lpuart4", "lpuart4_root", 0x8dc0, },
199 { IMX93_CLK_LPUART5_GATE, "lpuart5", "lpuart5_root", 0x8e00, },
200 { IMX93_CLK_LPUART6_GATE, "lpuart6", "lpuart6_root", 0x8e40, },
201 { IMX93_CLK_LPUART7_GATE, "lpuart7", "lpuart7_root", 0x8e80, },
202 { IMX93_CLK_LPUART8_GATE, "lpuart8", "lpuart8_root", 0x8ec0, },
203 { IMX93_CLK_LPI2C1_GATE, "lpi2c1", "lpi2c1_root", 0x8f00, },
204 { IMX93_CLK_LPI2C2_GATE, "lpi2c2", "lpi2c2_root", 0x8f40, },
205 { IMX93_CLK_LPI2C3_GATE, "lpi2c3", "lpi2c3_root", 0x8f80, },
206 { IMX93_CLK_LPI2C4_GATE, "lpi2c4", "lpi2c4_root", 0x8fc0, },
207 { IMX93_CLK_LPI2C5_GATE, "lpi2c5", "lpi2c5_root", 0x9000, },
208 { IMX93_CLK_LPI2C6_GATE, "lpi2c6", "lpi2c6_root", 0x9040, },
209 { IMX93_CLK_LPI2C7_GATE, "lpi2c7", "lpi2c7_root", 0x9080, },
210 { IMX93_CLK_LPI2C8_GATE, "lpi2c8", "lpi2c8_root", 0x90c0, },
211 { IMX93_CLK_LPSPI1_GATE, "lpspi1", "lpspi1_root", 0x9100, },
212 { IMX93_CLK_LPSPI2_GATE, "lpspi2", "lpspi2_root", 0x9140, },
213 { IMX93_CLK_LPSPI3_GATE, "lpspi3", "lpspi3_root", 0x9180, },
214 { IMX93_CLK_LPSPI4_GATE, "lpspi4", "lpspi4_root", 0x91c0, },
215 { IMX93_CLK_LPSPI5_GATE, "lpspi5", "lpspi5_root", 0x9200, },
216 { IMX93_CLK_LPSPI6_GATE, "lpspi6", "lpspi6_root", 0x9240, },
217 { IMX93_CLK_LPSPI7_GATE, "lpspi7", "lpspi7_root", 0x9280, },
218 { IMX93_CLK_LPSPI8_GATE, "lpspi8", "lpspi8_root", 0x92c0, },
219 { IMX93_CLK_I3C1_GATE, "i3c1", "i3c1_root", 0x9300, },
220 { IMX93_CLK_I3C2_GATE, "i3c2", "i3c2_root", 0x9340, },
221 { IMX93_CLK_USDHC1_GATE, "usdhc1", "usdhc1_root", 0x9380, },
222 { IMX93_CLK_USDHC2_GATE, "usdhc2", "usdhc2_root", 0x93c0, },
223 { IMX93_CLK_USDHC3_GATE, "usdhc3", "usdhc3_root", 0x9400, },
224 { IMX93_CLK_SAI1_GATE, "sai1", "sai1_root", 0x9440, 0, &share_count_sai1},
225 { IMX93_CLK_SAI1_IPG, "sai1_ipg_clk", "bus_aon_root", 0x9440, 0, &share_count_sai1},
226 { IMX93_CLK_SAI2_GATE, "sai2", "sai2_root", 0x9480, 0, &share_count_sai2},
227 { IMX93_CLK_SAI2_IPG, "sai2_ipg_clk", "bus_wakeup_root", 0x9480, 0, &share_count_sai2},
228 { IMX93_CLK_SAI3_GATE, "sai3", "sai3_root", 0x94c0, 0, &share_count_sai3},
229 { IMX93_CLK_SAI3_IPG, "sai3_ipg_clk", "bus_wakeup_root", 0x94c0, 0, &share_count_sai3},
230 { IMX93_CLK_MIPI_CSI_GATE, "mipi_csi", "media_apb_root", 0x9580, },
231 { IMX93_CLK_MIPI_DSI_GATE, "mipi_dsi", "media_apb_root", 0x95c0, },
232 { IMX93_CLK_LVDS_GATE, "lvds", "media_ldb_root", 0x9600, },
233 { IMX93_CLK_LCDIF_GATE, "lcdif", "media_apb_root", 0x9640, },
234 { IMX93_CLK_PXP_GATE, "pxp", "media_apb_root", 0x9680, },
235 { IMX93_CLK_ISI_GATE, "isi", "media_apb_root", 0x96c0, },
236 { IMX93_CLK_NIC_MEDIA_GATE, "nic_media", "media_axi_root", 0x9700, },
237 { IMX93_CLK_USB_CONTROLLER_GATE, "usb_controller", "hsio_root", 0x9a00, },
238 { IMX93_CLK_USB_TEST_60M_GATE, "usb_test_60m", "hsio_usb_test_60m_root", 0x9a40, },
239 { IMX93_CLK_HSIO_TROUT_24M_GATE, "hsio_trout_24m", "osc_24m", 0x9a80, },
240 { IMX93_CLK_PDM_GATE, "pdm", "pdm_root", 0x9ac0, 0, &share_count_pdm},
241 { IMX93_CLK_PDM_IPG, "pdm_ipg_clk", "bus_aon_root", 0x9ac0, 0, &share_count_pdm},
242 { IMX93_CLK_MQS1_GATE, "mqs1", "sai1_root", 0x9b00, },
243 { IMX93_CLK_MQS2_GATE, "mqs2", "sai3_root", 0x9b40, },
244 { IMX93_CLK_AUD_XCVR_GATE, "aud_xcvr", "audio_xcvr_root", 0x9b80, },
245 { IMX93_CLK_SPDIF_GATE, "spdif", "spdif_root", 0x9c00, },
246 { IMX93_CLK_HSIO_32K_GATE, "hsio_32k", "osc_32k", 0x9dc0, },
247 { IMX93_CLK_ENET1_GATE, "enet1", "wakeup_axi_root", 0x9e00, },
248 { IMX93_CLK_ENET_QOS_GATE, "enet_qos", "wakeup_axi_root", 0x9e40, },
249 /* Critical because clk accessed during CPU idle */
250 { IMX93_CLK_SYS_CNT_GATE, "sys_cnt", "osc_24m", 0x9e80, CLK_IS_CRITICAL},
251 { IMX93_CLK_TSTMR1_GATE, "tstmr1", "bus_aon_root", 0x9ec0, },
252 { IMX93_CLK_TSTMR2_GATE, "tstmr2", "bus_wakeup_root", 0x9f00, },
253 { IMX93_CLK_TMC_GATE, "tmc", "osc_24m", 0x9f40, },
254 { IMX93_CLK_PMRO_GATE, "pmro", "osc_24m", 0x9f80, }
255 };
256
257 static struct clk_hw_onecell_data *clk_hw_data;
258 static struct clk_hw **clks;
259
imx93_clocks_probe(struct platform_device * pdev)260 static int imx93_clocks_probe(struct platform_device *pdev)
261 {
262 struct device *dev = &pdev->dev;
263 struct device_node *np = dev->of_node;
264 const struct imx93_clk_root *root;
265 const struct imx93_clk_ccgr *ccgr;
266 void __iomem *base, *anatop_base;
267 int i, ret;
268
269 clk_hw_data = devm_kzalloc(dev, struct_size(clk_hw_data, hws,
270 IMX93_CLK_END), GFP_KERNEL);
271 if (!clk_hw_data)
272 return -ENOMEM;
273
274 clk_hw_data->num = IMX93_CLK_END;
275 clks = clk_hw_data->hws;
276
277 clks[IMX93_CLK_DUMMY] = imx_clk_hw_fixed("dummy", 0);
278 clks[IMX93_CLK_24M] = imx_get_clk_hw_by_name(np, "osc_24m");
279 clks[IMX93_CLK_32K] = imx_get_clk_hw_by_name(np, "osc_32k");
280 clks[IMX93_CLK_EXT1] = imx_get_clk_hw_by_name(np, "clk_ext1");
281
282 clks[IMX93_CLK_SYS_PLL_PFD0] = imx_clk_hw_fixed("sys_pll_pfd0", 1000000000);
283 clks[IMX93_CLK_SYS_PLL_PFD0_DIV2] = imx_clk_hw_fixed_factor("sys_pll_pfd0_div2",
284 "sys_pll_pfd0", 1, 2);
285 clks[IMX93_CLK_SYS_PLL_PFD1] = imx_clk_hw_fixed("sys_pll_pfd1", 800000000);
286 clks[IMX93_CLK_SYS_PLL_PFD1_DIV2] = imx_clk_hw_fixed_factor("sys_pll_pfd1_div2",
287 "sys_pll_pfd1", 1, 2);
288 clks[IMX93_CLK_SYS_PLL_PFD2] = imx_clk_hw_fixed("sys_pll_pfd2", 625000000);
289 clks[IMX93_CLK_SYS_PLL_PFD2_DIV2] = imx_clk_hw_fixed_factor("sys_pll_pfd2_div2",
290 "sys_pll_pfd2", 1, 2);
291
292 np = of_find_compatible_node(NULL, NULL, "fsl,imx93-anatop");
293 anatop_base = devm_of_iomap(dev, np, 0, NULL);
294 of_node_put(np);
295 if (WARN_ON(IS_ERR(anatop_base))) {
296 ret = PTR_ERR(anatop_base);
297 goto unregister_hws;
298 }
299
300 clks[IMX93_CLK_ARM_PLL] = imx_clk_fracn_gppll_integer("arm_pll", "osc_24m",
301 anatop_base + 0x1000,
302 &imx_fracn_gppll_integer);
303 clks[IMX93_CLK_AUDIO_PLL] = imx_clk_fracn_gppll("audio_pll", "osc_24m", anatop_base + 0x1200,
304 &imx_fracn_gppll);
305 clks[IMX93_CLK_VIDEO_PLL] = imx_clk_fracn_gppll("video_pll", "osc_24m", anatop_base + 0x1400,
306 &imx_fracn_gppll);
307
308 np = dev->of_node;
309 base = devm_platform_ioremap_resource(pdev, 0);
310 if (WARN_ON(IS_ERR(base))) {
311 ret = PTR_ERR(base);
312 goto unregister_hws;
313 }
314
315 for (i = 0; i < ARRAY_SIZE(root_array); i++) {
316 root = &root_array[i];
317 clks[root->clk] = imx93_clk_composite_flags(root->name,
318 parent_names[root->sel],
319 4, base + root->off, 3,
320 root->flags);
321 }
322
323 for (i = 0; i < ARRAY_SIZE(ccgr_array); i++) {
324 ccgr = &ccgr_array[i];
325 clks[ccgr->clk] = imx93_clk_gate(NULL, ccgr->name, ccgr->parent_name,
326 ccgr->flags, base + ccgr->off, 0, 1, 1, 3,
327 ccgr->shared_count);
328 }
329
330 clks[IMX93_CLK_A55_SEL] = imx_clk_hw_mux2("a55_sel", base + 0x4820, 0, 1, a55_core_sels,
331 ARRAY_SIZE(a55_core_sels));
332 clks[IMX93_CLK_A55_CORE] = imx_clk_hw_cpu("a55_core", "a55_sel",
333 clks[IMX93_CLK_A55_SEL]->clk,
334 clks[IMX93_CLK_A55_SEL]->clk,
335 clks[IMX93_CLK_ARM_PLL]->clk,
336 clks[IMX93_CLK_A55_GATE]->clk);
337
338 imx_check_clk_hws(clks, IMX93_CLK_END);
339
340 ret = of_clk_add_hw_provider(np, of_clk_hw_onecell_get, clk_hw_data);
341 if (ret < 0) {
342 dev_err(dev, "failed to register clks for i.MX93\n");
343 goto unregister_hws;
344 }
345
346 imx_register_uart_clocks();
347
348 return 0;
349
350 unregister_hws:
351 imx_unregister_hw_clocks(clks, IMX93_CLK_END);
352
353 return ret;
354 }
355
356 static const struct of_device_id imx93_clk_of_match[] = {
357 { .compatible = "fsl,imx93-ccm" },
358 { /* Sentinel */ },
359 };
360 MODULE_DEVICE_TABLE(of, imx93_clk_of_match);
361
362 static struct platform_driver imx93_clk_driver = {
363 .probe = imx93_clocks_probe,
364 .driver = {
365 .name = "imx93-ccm",
366 .suppress_bind_attrs = true,
367 .of_match_table = imx93_clk_of_match,
368 },
369 };
370 module_platform_driver(imx93_clk_driver);
371 module_param(mcore_booted, bool, 0444);
372 MODULE_PARM_DESC(mcore_booted, "See Cortex-M core is booted or not");
373
374 MODULE_DESCRIPTION("NXP i.MX93 clock driver");
375 MODULE_LICENSE("GPL v2");
376