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be67c3bf TK |
1 | /* |
2 | * OMAP2 Clock init | |
3 | * | |
4 | * Copyright (C) 2013 Texas Instruments, Inc | |
5 | * Tero Kristo (t-kristo@ti.com) | |
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> | |
27df3ee2 | 19 | #include <linux/clk.h> |
be67c3bf TK |
20 | #include <linux/clk/ti.h> |
21 | ||
a5aa8a60 TK |
22 | #include "clock.h" |
23 | ||
be67c3bf TK |
24 | static struct ti_dt_clk omap2xxx_clks[] = { |
25 | DT_CLK(NULL, "func_32k_ck", "func_32k_ck"), | |
26 | DT_CLK(NULL, "secure_32k_ck", "secure_32k_ck"), | |
27 | DT_CLK(NULL, "virt_12m_ck", "virt_12m_ck"), | |
28 | DT_CLK(NULL, "virt_13m_ck", "virt_13m_ck"), | |
29 | DT_CLK(NULL, "virt_19200000_ck", "virt_19200000_ck"), | |
30 | DT_CLK(NULL, "virt_26m_ck", "virt_26m_ck"), | |
31 | DT_CLK(NULL, "aplls_clkin_ck", "aplls_clkin_ck"), | |
32 | DT_CLK(NULL, "aplls_clkin_x2_ck", "aplls_clkin_x2_ck"), | |
33 | DT_CLK(NULL, "osc_ck", "osc_ck"), | |
34 | DT_CLK(NULL, "sys_ck", "sys_ck"), | |
35 | DT_CLK(NULL, "alt_ck", "alt_ck"), | |
36 | DT_CLK(NULL, "mcbsp_clks", "mcbsp_clks"), | |
37 | DT_CLK(NULL, "dpll_ck", "dpll_ck"), | |
38 | DT_CLK(NULL, "apll96_ck", "apll96_ck"), | |
39 | DT_CLK(NULL, "apll54_ck", "apll54_ck"), | |
40 | DT_CLK(NULL, "func_54m_ck", "func_54m_ck"), | |
41 | DT_CLK(NULL, "core_ck", "core_ck"), | |
42 | DT_CLK(NULL, "func_96m_ck", "func_96m_ck"), | |
43 | DT_CLK(NULL, "func_48m_ck", "func_48m_ck"), | |
44 | DT_CLK(NULL, "func_12m_ck", "func_12m_ck"), | |
45 | DT_CLK(NULL, "sys_clkout_src", "sys_clkout_src"), | |
46 | DT_CLK(NULL, "sys_clkout", "sys_clkout"), | |
47 | DT_CLK(NULL, "emul_ck", "emul_ck"), | |
48 | DT_CLK(NULL, "mpu_ck", "mpu_ck"), | |
49 | DT_CLK(NULL, "dsp_fck", "dsp_fck"), | |
50 | DT_CLK(NULL, "gfx_3d_fck", "gfx_3d_fck"), | |
51 | DT_CLK(NULL, "gfx_2d_fck", "gfx_2d_fck"), | |
52 | DT_CLK(NULL, "gfx_ick", "gfx_ick"), | |
53 | DT_CLK("omapdss_dss", "ick", "dss_ick"), | |
54 | DT_CLK(NULL, "dss_ick", "dss_ick"), | |
55 | DT_CLK(NULL, "dss1_fck", "dss1_fck"), | |
56 | DT_CLK(NULL, "dss2_fck", "dss2_fck"), | |
57 | DT_CLK(NULL, "dss_54m_fck", "dss_54m_fck"), | |
58 | DT_CLK(NULL, "core_l3_ck", "core_l3_ck"), | |
59 | DT_CLK(NULL, "ssi_fck", "ssi_ssr_sst_fck"), | |
60 | DT_CLK(NULL, "usb_l4_ick", "usb_l4_ick"), | |
61 | DT_CLK(NULL, "l4_ck", "l4_ck"), | |
62 | DT_CLK(NULL, "ssi_l4_ick", "ssi_l4_ick"), | |
63 | DT_CLK(NULL, "gpt1_ick", "gpt1_ick"), | |
64 | DT_CLK(NULL, "gpt1_fck", "gpt1_fck"), | |
65 | DT_CLK(NULL, "gpt2_ick", "gpt2_ick"), | |
66 | DT_CLK(NULL, "gpt2_fck", "gpt2_fck"), | |
67 | DT_CLK(NULL, "gpt3_ick", "gpt3_ick"), | |
68 | DT_CLK(NULL, "gpt3_fck", "gpt3_fck"), | |
69 | DT_CLK(NULL, "gpt4_ick", "gpt4_ick"), | |
70 | DT_CLK(NULL, "gpt4_fck", "gpt4_fck"), | |
71 | DT_CLK(NULL, "gpt5_ick", "gpt5_ick"), | |
72 | DT_CLK(NULL, "gpt5_fck", "gpt5_fck"), | |
73 | DT_CLK(NULL, "gpt6_ick", "gpt6_ick"), | |
74 | DT_CLK(NULL, "gpt6_fck", "gpt6_fck"), | |
75 | DT_CLK(NULL, "gpt7_ick", "gpt7_ick"), | |
76 | DT_CLK(NULL, "gpt7_fck", "gpt7_fck"), | |
77 | DT_CLK(NULL, "gpt8_ick", "gpt8_ick"), | |
78 | DT_CLK(NULL, "gpt8_fck", "gpt8_fck"), | |
79 | DT_CLK(NULL, "gpt9_ick", "gpt9_ick"), | |
80 | DT_CLK(NULL, "gpt9_fck", "gpt9_fck"), | |
81 | DT_CLK(NULL, "gpt10_ick", "gpt10_ick"), | |
82 | DT_CLK(NULL, "gpt10_fck", "gpt10_fck"), | |
83 | DT_CLK(NULL, "gpt11_ick", "gpt11_ick"), | |
84 | DT_CLK(NULL, "gpt11_fck", "gpt11_fck"), | |
85 | DT_CLK(NULL, "gpt12_ick", "gpt12_ick"), | |
86 | DT_CLK(NULL, "gpt12_fck", "gpt12_fck"), | |
87 | DT_CLK("omap-mcbsp.1", "ick", "mcbsp1_ick"), | |
88 | DT_CLK(NULL, "mcbsp1_ick", "mcbsp1_ick"), | |
89 | DT_CLK(NULL, "mcbsp1_fck", "mcbsp1_fck"), | |
90 | DT_CLK("omap-mcbsp.2", "ick", "mcbsp2_ick"), | |
91 | DT_CLK(NULL, "mcbsp2_ick", "mcbsp2_ick"), | |
92 | DT_CLK(NULL, "mcbsp2_fck", "mcbsp2_fck"), | |
93 | DT_CLK("omap2_mcspi.1", "ick", "mcspi1_ick"), | |
94 | DT_CLK(NULL, "mcspi1_ick", "mcspi1_ick"), | |
95 | DT_CLK(NULL, "mcspi1_fck", "mcspi1_fck"), | |
96 | DT_CLK("omap2_mcspi.2", "ick", "mcspi2_ick"), | |
97 | DT_CLK(NULL, "mcspi2_ick", "mcspi2_ick"), | |
98 | DT_CLK(NULL, "mcspi2_fck", "mcspi2_fck"), | |
99 | DT_CLK(NULL, "uart1_ick", "uart1_ick"), | |
100 | DT_CLK(NULL, "uart1_fck", "uart1_fck"), | |
101 | DT_CLK(NULL, "uart2_ick", "uart2_ick"), | |
102 | DT_CLK(NULL, "uart2_fck", "uart2_fck"), | |
103 | DT_CLK(NULL, "uart3_ick", "uart3_ick"), | |
104 | DT_CLK(NULL, "uart3_fck", "uart3_fck"), | |
105 | DT_CLK(NULL, "gpios_ick", "gpios_ick"), | |
106 | DT_CLK(NULL, "gpios_fck", "gpios_fck"), | |
107 | DT_CLK("omap_wdt", "ick", "mpu_wdt_ick"), | |
108 | DT_CLK(NULL, "mpu_wdt_ick", "mpu_wdt_ick"), | |
109 | DT_CLK(NULL, "mpu_wdt_fck", "mpu_wdt_fck"), | |
110 | DT_CLK(NULL, "sync_32k_ick", "sync_32k_ick"), | |
111 | DT_CLK(NULL, "wdt1_ick", "wdt1_ick"), | |
112 | DT_CLK(NULL, "omapctrl_ick", "omapctrl_ick"), | |
113 | DT_CLK("omap24xxcam", "fck", "cam_fck"), | |
114 | DT_CLK(NULL, "cam_fck", "cam_fck"), | |
115 | DT_CLK("omap24xxcam", "ick", "cam_ick"), | |
116 | DT_CLK(NULL, "cam_ick", "cam_ick"), | |
117 | DT_CLK(NULL, "mailboxes_ick", "mailboxes_ick"), | |
118 | DT_CLK(NULL, "wdt4_ick", "wdt4_ick"), | |
119 | DT_CLK(NULL, "wdt4_fck", "wdt4_fck"), | |
120 | DT_CLK(NULL, "mspro_ick", "mspro_ick"), | |
121 | DT_CLK(NULL, "mspro_fck", "mspro_fck"), | |
122 | DT_CLK(NULL, "fac_ick", "fac_ick"), | |
123 | DT_CLK(NULL, "fac_fck", "fac_fck"), | |
124 | DT_CLK("omap_hdq.0", "ick", "hdq_ick"), | |
125 | DT_CLK(NULL, "hdq_ick", "hdq_ick"), | |
126 | DT_CLK("omap_hdq.0", "fck", "hdq_fck"), | |
127 | DT_CLK(NULL, "hdq_fck", "hdq_fck"), | |
128 | DT_CLK("omap_i2c.1", "ick", "i2c1_ick"), | |
129 | DT_CLK(NULL, "i2c1_ick", "i2c1_ick"), | |
130 | DT_CLK("omap_i2c.2", "ick", "i2c2_ick"), | |
131 | DT_CLK(NULL, "i2c2_ick", "i2c2_ick"), | |
132 | DT_CLK(NULL, "gpmc_fck", "gpmc_fck"), | |
133 | DT_CLK(NULL, "sdma_fck", "sdma_fck"), | |
134 | DT_CLK(NULL, "sdma_ick", "sdma_ick"), | |
135 | DT_CLK(NULL, "sdrc_ick", "sdrc_ick"), | |
136 | DT_CLK(NULL, "des_ick", "des_ick"), | |
137 | DT_CLK("omap-sham", "ick", "sha_ick"), | |
138 | DT_CLK(NULL, "sha_ick", "sha_ick"), | |
139 | DT_CLK("omap_rng", "ick", "rng_ick"), | |
140 | DT_CLK(NULL, "rng_ick", "rng_ick"), | |
141 | DT_CLK("omap-aes", "ick", "aes_ick"), | |
142 | DT_CLK(NULL, "aes_ick", "aes_ick"), | |
143 | DT_CLK(NULL, "pka_ick", "pka_ick"), | |
144 | DT_CLK(NULL, "usb_fck", "usb_fck"), | |
145 | DT_CLK(NULL, "timer_32k_ck", "func_32k_ck"), | |
146 | DT_CLK(NULL, "timer_sys_ck", "sys_ck"), | |
147 | DT_CLK(NULL, "timer_ext_ck", "alt_ck"), | |
148 | { .node_name = NULL }, | |
149 | }; | |
150 | ||
151 | static struct ti_dt_clk omap2420_clks[] = { | |
152 | DT_CLK(NULL, "sys_clkout2_src", "sys_clkout2_src"), | |
153 | DT_CLK(NULL, "sys_clkout2", "sys_clkout2"), | |
154 | DT_CLK(NULL, "dsp_ick", "dsp_ick"), | |
155 | DT_CLK(NULL, "iva1_ifck", "iva1_ifck"), | |
156 | DT_CLK(NULL, "iva1_mpu_int_ifck", "iva1_mpu_int_ifck"), | |
157 | DT_CLK(NULL, "wdt3_ick", "wdt3_ick"), | |
158 | DT_CLK(NULL, "wdt3_fck", "wdt3_fck"), | |
159 | DT_CLK("mmci-omap.0", "ick", "mmc_ick"), | |
160 | DT_CLK(NULL, "mmc_ick", "mmc_ick"), | |
161 | DT_CLK("mmci-omap.0", "fck", "mmc_fck"), | |
162 | DT_CLK(NULL, "mmc_fck", "mmc_fck"), | |
163 | DT_CLK(NULL, "eac_ick", "eac_ick"), | |
164 | DT_CLK(NULL, "eac_fck", "eac_fck"), | |
165 | DT_CLK(NULL, "i2c1_fck", "i2c1_fck"), | |
166 | DT_CLK(NULL, "i2c2_fck", "i2c2_fck"), | |
167 | DT_CLK(NULL, "vlynq_ick", "vlynq_ick"), | |
168 | DT_CLK(NULL, "vlynq_fck", "vlynq_fck"), | |
169 | DT_CLK("musb-hdrc", "fck", "osc_ck"), | |
170 | { .node_name = NULL }, | |
171 | }; | |
172 | ||
173 | static struct ti_dt_clk omap2430_clks[] = { | |
174 | DT_CLK("twl", "fck", "osc_ck"), | |
175 | DT_CLK(NULL, "iva2_1_ick", "iva2_1_ick"), | |
176 | DT_CLK(NULL, "mdm_ick", "mdm_ick"), | |
177 | DT_CLK(NULL, "mdm_osc_ck", "mdm_osc_ck"), | |
178 | DT_CLK("omap-mcbsp.3", "ick", "mcbsp3_ick"), | |
179 | DT_CLK(NULL, "mcbsp3_ick", "mcbsp3_ick"), | |
180 | DT_CLK(NULL, "mcbsp3_fck", "mcbsp3_fck"), | |
181 | DT_CLK("omap-mcbsp.4", "ick", "mcbsp4_ick"), | |
182 | DT_CLK(NULL, "mcbsp4_ick", "mcbsp4_ick"), | |
183 | DT_CLK(NULL, "mcbsp4_fck", "mcbsp4_fck"), | |
184 | DT_CLK("omap-mcbsp.5", "ick", "mcbsp5_ick"), | |
185 | DT_CLK(NULL, "mcbsp5_ick", "mcbsp5_ick"), | |
186 | DT_CLK(NULL, "mcbsp5_fck", "mcbsp5_fck"), | |
187 | DT_CLK("omap2_mcspi.3", "ick", "mcspi3_ick"), | |
188 | DT_CLK(NULL, "mcspi3_ick", "mcspi3_ick"), | |
189 | DT_CLK(NULL, "mcspi3_fck", "mcspi3_fck"), | |
190 | DT_CLK(NULL, "icr_ick", "icr_ick"), | |
191 | DT_CLK(NULL, "i2chs1_fck", "i2chs1_fck"), | |
192 | DT_CLK(NULL, "i2chs2_fck", "i2chs2_fck"), | |
193 | DT_CLK("musb-omap2430", "ick", "usbhs_ick"), | |
194 | DT_CLK(NULL, "usbhs_ick", "usbhs_ick"), | |
195 | DT_CLK("omap_hsmmc.0", "ick", "mmchs1_ick"), | |
196 | DT_CLK(NULL, "mmchs1_ick", "mmchs1_ick"), | |
197 | DT_CLK(NULL, "mmchs1_fck", "mmchs1_fck"), | |
198 | DT_CLK("omap_hsmmc.1", "ick", "mmchs2_ick"), | |
199 | DT_CLK(NULL, "mmchs2_ick", "mmchs2_ick"), | |
200 | DT_CLK(NULL, "mmchs2_fck", "mmchs2_fck"), | |
201 | DT_CLK(NULL, "gpio5_ick", "gpio5_ick"), | |
202 | DT_CLK(NULL, "gpio5_fck", "gpio5_fck"), | |
203 | DT_CLK(NULL, "mdm_intc_ick", "mdm_intc_ick"), | |
204 | DT_CLK("omap_hsmmc.0", "mmchsdb_fck", "mmchsdb1_fck"), | |
205 | DT_CLK(NULL, "mmchsdb1_fck", "mmchsdb1_fck"), | |
206 | DT_CLK("omap_hsmmc.1", "mmchsdb_fck", "mmchsdb2_fck"), | |
207 | DT_CLK(NULL, "mmchsdb2_fck", "mmchsdb2_fck"), | |
208 | { .node_name = NULL }, | |
209 | }; | |
210 | ||
211 | static const char *enable_init_clks[] = { | |
212 | "apll96_ck", | |
213 | "apll54_ck", | |
214 | "sync_32k_ick", | |
215 | "omapctrl_ick", | |
216 | "gpmc_fck", | |
217 | "sdrc_ick", | |
218 | }; | |
219 | ||
220 | enum { | |
221 | OMAP2_SOC_OMAP2420, | |
222 | OMAP2_SOC_OMAP2430, | |
223 | }; | |
224 | ||
225 | static int __init omap2xxx_dt_clk_init(int soc_type) | |
226 | { | |
227 | ti_dt_clocks_register(omap2xxx_clks); | |
228 | ||
229 | if (soc_type == OMAP2_SOC_OMAP2420) | |
230 | ti_dt_clocks_register(omap2420_clks); | |
231 | else | |
232 | ti_dt_clocks_register(omap2430_clks); | |
233 | ||
61f25ca7 TK |
234 | omap2xxx_clkt_vps_init(); |
235 | ||
be67c3bf TK |
236 | omap2_clk_disable_autoidle_all(); |
237 | ||
238 | omap2_clk_enable_init_clocks(enable_init_clks, | |
239 | ARRAY_SIZE(enable_init_clks)); | |
240 | ||
241 | pr_info("Clocking rate (Crystal/DPLL/MPU): %ld.%01ld/%ld/%ld MHz\n", | |
242 | (clk_get_rate(clk_get_sys(NULL, "sys_ck")) / 1000000), | |
243 | (clk_get_rate(clk_get_sys(NULL, "sys_ck")) / 100000) % 10, | |
244 | (clk_get_rate(clk_get_sys(NULL, "dpll_ck")) / 1000000), | |
245 | (clk_get_rate(clk_get_sys(NULL, "mpu_ck")) / 1000000)); | |
246 | ||
247 | return 0; | |
248 | } | |
249 | ||
250 | int __init omap2420_dt_clk_init(void) | |
251 | { | |
252 | return omap2xxx_dt_clk_init(OMAP2_SOC_OMAP2420); | |
253 | } | |
254 | ||
255 | int __init omap2430_dt_clk_init(void) | |
256 | { | |
257 | return omap2xxx_dt_clk_init(OMAP2_SOC_OMAP2430); | |
258 | } |