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131ee08f TK |
1 | /* |
2 | * AM43XX Clock init | |
3 | * | |
4 | * Copyright (C) 2013 Texas Instruments, Inc | |
5 | * Tero Kristo ([email protected]) | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU General Public License as | |
9 | * published by the Free Software Foundation version 2. | |
10 | * | |
11 | * This program is distributed "as is" WITHOUT ANY WARRANTY of any | |
12 | * kind, whether express or implied; without even the implied warranty | |
13 | * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | */ | |
16 | ||
17 | #include <linux/kernel.h> | |
18 | #include <linux/list.h> | |
19 | #include <linux/clk.h> | |
20 | #include <linux/clk-provider.h> | |
21 | #include <linux/clk/ti.h> | |
22 | #include <dt-bindings/clock/am4.h> | |
23 | ||
24 | #include "clock.h" | |
25 | ||
26 | static const char * const am4_synctimer_32kclk_parents[] __initconst = { | |
27 | "mux_synctimer32k_ck", | |
28 | NULL, | |
29 | }; | |
30 | ||
31 | static const struct omap_clkctrl_bit_data am4_counter_32k_bit_data[] __initconst = { | |
32 | { 8, TI_CLK_GATE, am4_synctimer_32kclk_parents, NULL }, | |
33 | { 0 }, | |
34 | }; | |
35 | ||
36 | static const char * const am4_gpio0_dbclk_parents[] __initconst = { | |
37 | "gpio0_dbclk_mux_ck", | |
38 | NULL, | |
39 | }; | |
40 | ||
41 | static const struct omap_clkctrl_bit_data am4_gpio1_bit_data[] __initconst = { | |
42 | { 8, TI_CLK_GATE, am4_gpio0_dbclk_parents, NULL }, | |
43 | { 0 }, | |
44 | }; | |
45 | ||
46 | static const struct omap_clkctrl_reg_data am4_l4_wkup_clkctrl_regs[] __initconst = { | |
47 | { AM4_ADC_TSC_CLKCTRL, NULL, CLKF_SW_SUP, "adc_tsc_fck", "l3s_tsc_clkdm" }, | |
48 | { AM4_L4_WKUP_CLKCTRL, NULL, CLKF_SW_SUP, "sys_clkin_ck", "l4_wkup_clkdm" }, | |
49 | { AM4_WKUP_M3_CLKCTRL, NULL, CLKF_NO_IDLEST, "sys_clkin_ck" }, | |
50 | { AM4_COUNTER_32K_CLKCTRL, am4_counter_32k_bit_data, CLKF_SW_SUP, "l4_wkup_cm:clk:0210:8" }, | |
51 | { AM4_TIMER1_CLKCTRL, NULL, CLKF_SW_SUP, "timer1_fck", "l4_wkup_clkdm" }, | |
52 | { AM4_WD_TIMER2_CLKCTRL, NULL, CLKF_SW_SUP, "wdt1_fck", "l4_wkup_clkdm" }, | |
53 | { AM4_I2C1_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_per_m2_div4_wkupdm_ck", "l4_wkup_clkdm" }, | |
54 | { AM4_UART1_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_per_m2_div4_wkupdm_ck", "l4_wkup_clkdm" }, | |
55 | { AM4_SMARTREFLEX0_CLKCTRL, NULL, CLKF_SW_SUP, "smartreflex0_fck", "l4_wkup_clkdm" }, | |
56 | { AM4_SMARTREFLEX1_CLKCTRL, NULL, CLKF_SW_SUP, "smartreflex1_fck", "l4_wkup_clkdm" }, | |
57 | { AM4_CONTROL_CLKCTRL, NULL, CLKF_SW_SUP, "sys_clkin_ck", "l4_wkup_clkdm" }, | |
58 | { AM4_GPIO1_CLKCTRL, am4_gpio1_bit_data, CLKF_SW_SUP, "sys_clkin_ck", "l4_wkup_clkdm" }, | |
59 | { 0 }, | |
60 | }; | |
61 | ||
62 | static const struct omap_clkctrl_reg_data am4_mpu_clkctrl_regs[] __initconst = { | |
63 | { AM4_MPU_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_mpu_m2_ck" }, | |
64 | { 0 }, | |
65 | }; | |
66 | ||
67 | static const struct omap_clkctrl_reg_data am4_gfx_l3_clkctrl_regs[] __initconst = { | |
68 | { AM4_GFX_CLKCTRL, NULL, CLKF_SW_SUP, "gfx_fck_div_ck" }, | |
69 | { 0 }, | |
70 | }; | |
71 | ||
72 | static const struct omap_clkctrl_reg_data am4_l4_rtc_clkctrl_regs[] __initconst = { | |
73 | { AM4_RTC_CLKCTRL, NULL, CLKF_SW_SUP, "clk_32768_ck" }, | |
74 | { 0 }, | |
75 | }; | |
76 | ||
77 | static const char * const am4_usb_otg_ss0_refclk960m_parents[] __initconst = { | |
78 | "dpll_per_clkdcoldo", | |
79 | NULL, | |
80 | }; | |
81 | ||
82 | static const struct omap_clkctrl_bit_data am4_usb_otg_ss0_bit_data[] __initconst = { | |
83 | { 8, TI_CLK_GATE, am4_usb_otg_ss0_refclk960m_parents, NULL }, | |
84 | { 0 }, | |
85 | }; | |
86 | ||
87 | static const struct omap_clkctrl_bit_data am4_usb_otg_ss1_bit_data[] __initconst = { | |
88 | { 8, TI_CLK_GATE, am4_usb_otg_ss0_refclk960m_parents, NULL }, | |
89 | { 0 }, | |
90 | }; | |
91 | ||
92 | static const char * const am4_gpio1_dbclk_parents[] __initconst = { | |
93 | "clkdiv32k_ick", | |
94 | NULL, | |
95 | }; | |
96 | ||
97 | static const struct omap_clkctrl_bit_data am4_gpio2_bit_data[] __initconst = { | |
98 | { 8, TI_CLK_GATE, am4_gpio1_dbclk_parents, NULL }, | |
99 | { 0 }, | |
100 | }; | |
101 | ||
102 | static const struct omap_clkctrl_bit_data am4_gpio3_bit_data[] __initconst = { | |
103 | { 8, TI_CLK_GATE, am4_gpio1_dbclk_parents, NULL }, | |
104 | { 0 }, | |
105 | }; | |
106 | ||
107 | static const struct omap_clkctrl_bit_data am4_gpio4_bit_data[] __initconst = { | |
108 | { 8, TI_CLK_GATE, am4_gpio1_dbclk_parents, NULL }, | |
109 | { 0 }, | |
110 | }; | |
111 | ||
112 | static const struct omap_clkctrl_bit_data am4_gpio5_bit_data[] __initconst = { | |
113 | { 8, TI_CLK_GATE, am4_gpio1_dbclk_parents, NULL }, | |
114 | { 0 }, | |
115 | }; | |
116 | ||
117 | static const struct omap_clkctrl_bit_data am4_gpio6_bit_data[] __initconst = { | |
118 | { 8, TI_CLK_GATE, am4_gpio1_dbclk_parents, NULL }, | |
119 | { 0 }, | |
120 | }; | |
121 | ||
122 | static const struct omap_clkctrl_reg_data am4_l4_per_clkctrl_regs[] __initconst = { | |
123 | { AM4_L3_MAIN_CLKCTRL, NULL, CLKF_SW_SUP, "l3_gclk", "l3_clkdm" }, | |
124 | { AM4_AES_CLKCTRL, NULL, CLKF_SW_SUP, "aes0_fck", "l3_clkdm" }, | |
125 | { AM4_DES_CLKCTRL, NULL, CLKF_SW_SUP, "l3_gclk", "l3_clkdm" }, | |
126 | { AM4_L3_INSTR_CLKCTRL, NULL, CLKF_SW_SUP, "l3_gclk", "l3_clkdm" }, | |
127 | { AM4_OCMCRAM_CLKCTRL, NULL, CLKF_SW_SUP, "l3_gclk", "l3_clkdm" }, | |
128 | { AM4_SHAM_CLKCTRL, NULL, CLKF_SW_SUP, "l3_gclk", "l3_clkdm" }, | |
129 | { AM4_VPFE0_CLKCTRL, NULL, CLKF_SW_SUP, "l3_gclk", "l3s_clkdm" }, | |
130 | { AM4_VPFE1_CLKCTRL, NULL, CLKF_SW_SUP, "l3_gclk", "l3s_clkdm" }, | |
131 | { AM4_TPCC_CLKCTRL, NULL, CLKF_SW_SUP, "l3_gclk", "l3_clkdm" }, | |
132 | { AM4_TPTC0_CLKCTRL, NULL, CLKF_SW_SUP, "l3_gclk", "l3_clkdm" }, | |
133 | { AM4_TPTC1_CLKCTRL, NULL, CLKF_SW_SUP, "l3_gclk", "l3_clkdm" }, | |
134 | { AM4_TPTC2_CLKCTRL, NULL, CLKF_SW_SUP, "l3_gclk", "l3_clkdm" }, | |
135 | { AM4_L4_HS_CLKCTRL, NULL, CLKF_SW_SUP, "l4hs_gclk", "l3_clkdm" }, | |
136 | { AM4_GPMC_CLKCTRL, NULL, CLKF_SW_SUP, "l3s_gclk", "l3s_clkdm" }, | |
137 | { AM4_MCASP0_CLKCTRL, NULL, CLKF_SW_SUP, "mcasp0_fck", "l3s_clkdm" }, | |
138 | { AM4_MCASP1_CLKCTRL, NULL, CLKF_SW_SUP, "mcasp1_fck", "l3s_clkdm" }, | |
139 | { AM4_MMC3_CLKCTRL, NULL, CLKF_SW_SUP, "mmc_clk", "l3s_clkdm" }, | |
140 | { AM4_QSPI_CLKCTRL, NULL, CLKF_SW_SUP, "l3s_gclk", "l3s_clkdm" }, | |
141 | { AM4_USB_OTG_SS0_CLKCTRL, am4_usb_otg_ss0_bit_data, CLKF_SW_SUP, "l3s_gclk", "l3s_clkdm" }, | |
142 | { AM4_USB_OTG_SS1_CLKCTRL, am4_usb_otg_ss1_bit_data, CLKF_SW_SUP, "l3s_gclk", "l3s_clkdm" }, | |
143 | { AM4_PRUSS_CLKCTRL, NULL, CLKF_SW_SUP, "pruss_ocp_gclk", "pruss_ocp_clkdm" }, | |
144 | { AM4_L4_LS_CLKCTRL, NULL, CLKF_SW_SUP, "l4ls_gclk" }, | |
145 | { AM4_D_CAN0_CLKCTRL, NULL, CLKF_SW_SUP, "dcan0_fck" }, | |
146 | { AM4_D_CAN1_CLKCTRL, NULL, CLKF_SW_SUP, "dcan1_fck" }, | |
147 | { AM4_EPWMSS0_CLKCTRL, NULL, CLKF_SW_SUP, "l4ls_gclk" }, | |
148 | { AM4_EPWMSS1_CLKCTRL, NULL, CLKF_SW_SUP, "l4ls_gclk" }, | |
149 | { AM4_EPWMSS2_CLKCTRL, NULL, CLKF_SW_SUP, "l4ls_gclk" }, | |
150 | { AM4_EPWMSS3_CLKCTRL, NULL, CLKF_SW_SUP, "l4ls_gclk" }, | |
151 | { AM4_EPWMSS4_CLKCTRL, NULL, CLKF_SW_SUP, "l4ls_gclk" }, | |
152 | { AM4_EPWMSS5_CLKCTRL, NULL, CLKF_SW_SUP, "l4ls_gclk" }, | |
153 | { AM4_ELM_CLKCTRL, NULL, CLKF_SW_SUP, "l4ls_gclk" }, | |
154 | { AM4_GPIO2_CLKCTRL, am4_gpio2_bit_data, CLKF_SW_SUP, "l4ls_gclk" }, | |
155 | { AM4_GPIO3_CLKCTRL, am4_gpio3_bit_data, CLKF_SW_SUP, "l4ls_gclk" }, | |
156 | { AM4_GPIO4_CLKCTRL, am4_gpio4_bit_data, CLKF_SW_SUP, "l4ls_gclk" }, | |
157 | { AM4_GPIO5_CLKCTRL, am4_gpio5_bit_data, CLKF_SW_SUP, "l4ls_gclk" }, | |
158 | { AM4_GPIO6_CLKCTRL, am4_gpio6_bit_data, CLKF_SW_SUP, "l4ls_gclk" }, | |
159 | { AM4_HDQ1W_CLKCTRL, NULL, CLKF_SW_SUP, "func_12m_clk" }, | |
160 | { AM4_I2C2_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_per_m2_div4_ck" }, | |
161 | { AM4_I2C3_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_per_m2_div4_ck" }, | |
162 | { AM4_MAILBOX_CLKCTRL, NULL, CLKF_SW_SUP, "l4ls_gclk" }, | |
163 | { AM4_MMC1_CLKCTRL, NULL, CLKF_SW_SUP, "mmc_clk" }, | |
164 | { AM4_MMC2_CLKCTRL, NULL, CLKF_SW_SUP, "mmc_clk" }, | |
165 | { AM4_RNG_CLKCTRL, NULL, CLKF_SW_SUP, "rng_fck" }, | |
166 | { AM4_SPI0_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_per_m2_div4_ck" }, | |
167 | { AM4_SPI1_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_per_m2_div4_ck" }, | |
168 | { AM4_SPI2_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_per_m2_div4_ck" }, | |
169 | { AM4_SPI3_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_per_m2_div4_ck" }, | |
170 | { AM4_SPI4_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_per_m2_div4_ck" }, | |
171 | { AM4_SPINLOCK_CLKCTRL, NULL, CLKF_SW_SUP, "l4ls_gclk" }, | |
172 | { AM4_TIMER2_CLKCTRL, NULL, CLKF_SW_SUP, "timer2_fck" }, | |
173 | { AM4_TIMER3_CLKCTRL, NULL, CLKF_SW_SUP, "timer3_fck" }, | |
174 | { AM4_TIMER4_CLKCTRL, NULL, CLKF_SW_SUP, "timer4_fck" }, | |
175 | { AM4_TIMER5_CLKCTRL, NULL, CLKF_SW_SUP, "timer5_fck" }, | |
176 | { AM4_TIMER6_CLKCTRL, NULL, CLKF_SW_SUP, "timer6_fck" }, | |
177 | { AM4_TIMER7_CLKCTRL, NULL, CLKF_SW_SUP, "timer7_fck" }, | |
178 | { AM4_TIMER8_CLKCTRL, NULL, CLKF_SW_SUP, "timer8_fck" }, | |
179 | { AM4_TIMER9_CLKCTRL, NULL, CLKF_SW_SUP, "timer9_fck" }, | |
180 | { AM4_TIMER10_CLKCTRL, NULL, CLKF_SW_SUP, "timer10_fck" }, | |
181 | { AM4_TIMER11_CLKCTRL, NULL, CLKF_SW_SUP, "timer11_fck" }, | |
182 | { AM4_UART2_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_per_m2_div4_ck" }, | |
183 | { AM4_UART3_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_per_m2_div4_ck" }, | |
184 | { AM4_UART4_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_per_m2_div4_ck" }, | |
185 | { AM4_UART5_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_per_m2_div4_ck" }, | |
186 | { AM4_UART6_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_per_m2_div4_ck" }, | |
187 | { AM4_OCP2SCP0_CLKCTRL, NULL, CLKF_SW_SUP, "l4ls_gclk" }, | |
188 | { AM4_OCP2SCP1_CLKCTRL, NULL, CLKF_SW_SUP, "l4ls_gclk" }, | |
189 | { AM4_EMIF_CLKCTRL, NULL, CLKF_SW_SUP, "dpll_ddr_m2_ck", "emif_clkdm" }, | |
190 | { AM4_DSS_CORE_CLKCTRL, NULL, CLKF_SW_SUP | CLKF_SET_RATE_PARENT, "disp_clk", "dss_clkdm" }, | |
191 | { AM4_CPGMAC0_CLKCTRL, NULL, CLKF_SW_SUP, "cpsw_125mhz_gclk", "cpsw_125mhz_clkdm" }, | |
192 | { 0 }, | |
193 | }; | |
194 | ||
195 | const struct omap_clkctrl_data am4_clkctrl_compat_data[] __initconst = { | |
196 | { 0x44df2820, am4_l4_wkup_clkctrl_regs }, | |
197 | { 0x44df8320, am4_mpu_clkctrl_regs }, | |
198 | { 0x44df8420, am4_gfx_l3_clkctrl_regs }, | |
199 | { 0x44df8520, am4_l4_rtc_clkctrl_regs }, | |
200 | { 0x44df8820, am4_l4_per_clkctrl_regs }, | |
201 | { 0 }, | |
202 | }; | |
203 | ||
204 | const struct omap_clkctrl_data am438x_clkctrl_compat_data[] __initconst = { | |
205 | { 0x44df2820, am4_l4_wkup_clkctrl_regs }, | |
206 | { 0x44df8320, am4_mpu_clkctrl_regs }, | |
207 | { 0x44df8420, am4_gfx_l3_clkctrl_regs }, | |
208 | { 0x44df8820, am4_l4_per_clkctrl_regs }, | |
209 | { 0 }, | |
210 | }; | |
211 | ||
212 | struct ti_dt_clk am43xx_compat_clks[] = { | |
213 | DT_CLK(NULL, "timer_32k_ck", "clkdiv32k_ick"), | |
214 | DT_CLK(NULL, "timer_sys_ck", "sys_clkin_ck"), | |
215 | DT_CLK(NULL, "gpio0_dbclk", "l4_wkup_cm:0348:8"), | |
216 | DT_CLK(NULL, "gpio1_dbclk", "l4_per_cm:0458:8"), | |
217 | DT_CLK(NULL, "gpio2_dbclk", "l4_per_cm:0460:8"), | |
218 | DT_CLK(NULL, "gpio3_dbclk", "l4_per_cm:0468:8"), | |
219 | DT_CLK(NULL, "gpio4_dbclk", "l4_per_cm:0470:8"), | |
220 | DT_CLK(NULL, "gpio5_dbclk", "l4_per_cm:0478:8"), | |
221 | DT_CLK(NULL, "synctimer_32kclk", "l4_wkup_cm:0210:8"), | |
222 | DT_CLK(NULL, "usb_otg_ss0_refclk960m", "l4_per_cm:0240:8"), | |
223 | DT_CLK(NULL, "usb_otg_ss1_refclk960m", "l4_per_cm:0248:8"), | |
224 | { .node_name = NULL }, | |
225 | }; |