1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * OMAP2 Clock init
4 *
5 * Copyright (C) 2013 Texas Instruments, Inc
6 *     Tero Kristo (t-kristo@ti.com)
7 */
8
9#include <linux/kernel.h>
10#include <linux/list.h>
11#include <linux/clk.h>
12#include <linux/clk/ti.h>
13
14#include "clock.h"
15
16static struct ti_dt_clk omap2xxx_clks[] = {
17	DT_CLK(NULL, "func_32k_ck", "func_32k_ck"),
18	DT_CLK(NULL, "secure_32k_ck", "secure_32k_ck"),
19	DT_CLK(NULL, "virt_12m_ck", "virt_12m_ck"),
20	DT_CLK(NULL, "virt_13m_ck", "virt_13m_ck"),
21	DT_CLK(NULL, "virt_19200000_ck", "virt_19200000_ck"),
22	DT_CLK(NULL, "virt_26m_ck", "virt_26m_ck"),
23	DT_CLK(NULL, "aplls_clkin_ck", "aplls_clkin_ck"),
24	DT_CLK(NULL, "aplls_clkin_x2_ck", "aplls_clkin_x2_ck"),
25	DT_CLK(NULL, "osc_ck", "osc_ck"),
26	DT_CLK(NULL, "sys_ck", "sys_ck"),
27	DT_CLK(NULL, "alt_ck", "alt_ck"),
28	DT_CLK(NULL, "mcbsp_clks", "mcbsp_clks"),
29	DT_CLK(NULL, "dpll_ck", "dpll_ck"),
30	DT_CLK(NULL, "apll96_ck", "apll96_ck"),
31	DT_CLK(NULL, "apll54_ck", "apll54_ck"),
32	DT_CLK(NULL, "func_54m_ck", "func_54m_ck"),
33	DT_CLK(NULL, "core_ck", "core_ck"),
34	DT_CLK(NULL, "func_96m_ck", "func_96m_ck"),
35	DT_CLK(NULL, "func_48m_ck", "func_48m_ck"),
36	DT_CLK(NULL, "func_12m_ck", "func_12m_ck"),
37	DT_CLK(NULL, "sys_clkout_src", "sys_clkout_src"),
38	DT_CLK(NULL, "sys_clkout", "sys_clkout"),
39	DT_CLK(NULL, "emul_ck", "emul_ck"),
40	DT_CLK(NULL, "mpu_ck", "mpu_ck"),
41	DT_CLK(NULL, "dsp_fck", "dsp_fck"),
42	DT_CLK(NULL, "gfx_3d_fck", "gfx_3d_fck"),
43	DT_CLK(NULL, "gfx_2d_fck", "gfx_2d_fck"),
44	DT_CLK(NULL, "gfx_ick", "gfx_ick"),
45	DT_CLK("omapdss_dss", "ick", "dss_ick"),
46	DT_CLK(NULL, "dss_ick", "dss_ick"),
47	DT_CLK(NULL, "dss1_fck", "dss1_fck"),
48	DT_CLK(NULL, "dss2_fck", "dss2_fck"),
49	DT_CLK(NULL, "dss_54m_fck", "dss_54m_fck"),
50	DT_CLK(NULL, "core_l3_ck", "core_l3_ck"),
51	DT_CLK(NULL, "ssi_fck", "ssi_ssr_sst_fck"),
52	DT_CLK(NULL, "usb_l4_ick", "usb_l4_ick"),
53	DT_CLK(NULL, "l4_ck", "l4_ck"),
54	DT_CLK(NULL, "ssi_l4_ick", "ssi_l4_ick"),
55	DT_CLK(NULL, "gpt1_ick", "gpt1_ick"),
56	DT_CLK(NULL, "gpt1_fck", "gpt1_fck"),
57	DT_CLK(NULL, "gpt2_ick", "gpt2_ick"),
58	DT_CLK(NULL, "gpt2_fck", "gpt2_fck"),
59	DT_CLK(NULL, "gpt3_ick", "gpt3_ick"),
60	DT_CLK(NULL, "gpt3_fck", "gpt3_fck"),
61	DT_CLK(NULL, "gpt4_ick", "gpt4_ick"),
62	DT_CLK(NULL, "gpt4_fck", "gpt4_fck"),
63	DT_CLK(NULL, "gpt5_ick", "gpt5_ick"),
64	DT_CLK(NULL, "gpt5_fck", "gpt5_fck"),
65	DT_CLK(NULL, "gpt6_ick", "gpt6_ick"),
66	DT_CLK(NULL, "gpt6_fck", "gpt6_fck"),
67	DT_CLK(NULL, "gpt7_ick", "gpt7_ick"),
68	DT_CLK(NULL, "gpt7_fck", "gpt7_fck"),
69	DT_CLK(NULL, "gpt8_ick", "gpt8_ick"),
70	DT_CLK(NULL, "gpt8_fck", "gpt8_fck"),
71	DT_CLK(NULL, "gpt9_ick", "gpt9_ick"),
72	DT_CLK(NULL, "gpt9_fck", "gpt9_fck"),
73	DT_CLK(NULL, "gpt10_ick", "gpt10_ick"),
74	DT_CLK(NULL, "gpt10_fck", "gpt10_fck"),
75	DT_CLK(NULL, "gpt11_ick", "gpt11_ick"),
76	DT_CLK(NULL, "gpt11_fck", "gpt11_fck"),
77	DT_CLK(NULL, "gpt12_ick", "gpt12_ick"),
78	DT_CLK(NULL, "gpt12_fck", "gpt12_fck"),
79	DT_CLK("omap-mcbsp.1", "ick", "mcbsp1_ick"),
80	DT_CLK(NULL, "mcbsp1_ick", "mcbsp1_ick"),
81	DT_CLK(NULL, "mcbsp1_fck", "mcbsp1_fck"),
82	DT_CLK("omap-mcbsp.2", "ick", "mcbsp2_ick"),
83	DT_CLK(NULL, "mcbsp2_ick", "mcbsp2_ick"),
84	DT_CLK(NULL, "mcbsp2_fck", "mcbsp2_fck"),
85	DT_CLK("omap2_mcspi.1", "ick", "mcspi1_ick"),
86	DT_CLK(NULL, "mcspi1_ick", "mcspi1_ick"),
87	DT_CLK(NULL, "mcspi1_fck", "mcspi1_fck"),
88	DT_CLK("omap2_mcspi.2", "ick", "mcspi2_ick"),
89	DT_CLK(NULL, "mcspi2_ick", "mcspi2_ick"),
90	DT_CLK(NULL, "mcspi2_fck", "mcspi2_fck"),
91	DT_CLK(NULL, "uart1_ick", "uart1_ick"),
92	DT_CLK(NULL, "uart1_fck", "uart1_fck"),
93	DT_CLK(NULL, "uart2_ick", "uart2_ick"),
94	DT_CLK(NULL, "uart2_fck", "uart2_fck"),
95	DT_CLK(NULL, "uart3_ick", "uart3_ick"),
96	DT_CLK(NULL, "uart3_fck", "uart3_fck"),
97	DT_CLK(NULL, "gpios_ick", "gpios_ick"),
98	DT_CLK(NULL, "gpios_fck", "gpios_fck"),
99	DT_CLK("omap_wdt", "ick", "mpu_wdt_ick"),
100	DT_CLK(NULL, "mpu_wdt_ick", "mpu_wdt_ick"),
101	DT_CLK(NULL, "mpu_wdt_fck", "mpu_wdt_fck"),
102	DT_CLK(NULL, "sync_32k_ick", "sync_32k_ick"),
103	DT_CLK(NULL, "wdt1_ick", "wdt1_ick"),
104	DT_CLK(NULL, "omapctrl_ick", "omapctrl_ick"),
105	DT_CLK("omap24xxcam", "fck", "cam_fck"),
106	DT_CLK(NULL, "cam_fck", "cam_fck"),
107	DT_CLK("omap24xxcam", "ick", "cam_ick"),
108	DT_CLK(NULL, "cam_ick", "cam_ick"),
109	DT_CLK(NULL, "mailboxes_ick", "mailboxes_ick"),
110	DT_CLK(NULL, "wdt4_ick", "wdt4_ick"),
111	DT_CLK(NULL, "wdt4_fck", "wdt4_fck"),
112	DT_CLK(NULL, "mspro_ick", "mspro_ick"),
113	DT_CLK(NULL, "mspro_fck", "mspro_fck"),
114	DT_CLK(NULL, "fac_ick", "fac_ick"),
115	DT_CLK(NULL, "fac_fck", "fac_fck"),
116	DT_CLK("omap_hdq.0", "ick", "hdq_ick"),
117	DT_CLK(NULL, "hdq_ick", "hdq_ick"),
118	DT_CLK("omap_hdq.0", "fck", "hdq_fck"),
119	DT_CLK(NULL, "hdq_fck", "hdq_fck"),
120	DT_CLK("omap_i2c.1", "ick", "i2c1_ick"),
121	DT_CLK(NULL, "i2c1_ick", "i2c1_ick"),
122	DT_CLK("omap_i2c.2", "ick", "i2c2_ick"),
123	DT_CLK(NULL, "i2c2_ick", "i2c2_ick"),
124	DT_CLK(NULL, "gpmc_fck", "gpmc_fck"),
125	DT_CLK(NULL, "sdma_fck", "sdma_fck"),
126	DT_CLK(NULL, "sdma_ick", "sdma_ick"),
127	DT_CLK(NULL, "sdrc_ick", "sdrc_ick"),
128	DT_CLK(NULL, "des_ick", "des_ick"),
129	DT_CLK("omap-sham", "ick", "sha_ick"),
130	DT_CLK(NULL, "sha_ick", "sha_ick"),
131	DT_CLK("omap_rng", "ick", "rng_ick"),
132	DT_CLK(NULL, "rng_ick", "rng_ick"),
133	DT_CLK("omap-aes", "ick", "aes_ick"),
134	DT_CLK(NULL, "aes_ick", "aes_ick"),
135	DT_CLK(NULL, "pka_ick", "pka_ick"),
136	DT_CLK(NULL, "usb_fck", "usb_fck"),
137	DT_CLK(NULL, "timer_32k_ck", "func_32k_ck"),
138	DT_CLK(NULL, "timer_sys_ck", "sys_ck"),
139	DT_CLK(NULL, "timer_ext_ck", "alt_ck"),
140	{ .node_name = NULL },
141};
142
143static struct ti_dt_clk omap2420_clks[] = {
144	DT_CLK(NULL, "sys_clkout2_src", "sys_clkout2_src"),
145	DT_CLK(NULL, "sys_clkout2", "sys_clkout2"),
146	DT_CLK(NULL, "dsp_ick", "dsp_ick"),
147	DT_CLK(NULL, "iva1_ifck", "iva1_ifck"),
148	DT_CLK(NULL, "iva1_mpu_int_ifck", "iva1_mpu_int_ifck"),
149	DT_CLK(NULL, "wdt3_ick", "wdt3_ick"),
150	DT_CLK(NULL, "wdt3_fck", "wdt3_fck"),
151	DT_CLK("mmci-omap.0", "ick", "mmc_ick"),
152	DT_CLK(NULL, "mmc_ick", "mmc_ick"),
153	DT_CLK("mmci-omap.0", "fck", "mmc_fck"),
154	DT_CLK(NULL, "mmc_fck", "mmc_fck"),
155	DT_CLK(NULL, "eac_ick", "eac_ick"),
156	DT_CLK(NULL, "eac_fck", "eac_fck"),
157	DT_CLK(NULL, "i2c1_fck", "i2c1_fck"),
158	DT_CLK(NULL, "i2c2_fck", "i2c2_fck"),
159	DT_CLK(NULL, "vlynq_ick", "vlynq_ick"),
160	DT_CLK(NULL, "vlynq_fck", "vlynq_fck"),
161	DT_CLK("musb-hdrc", "fck", "osc_ck"),
162	{ .node_name = NULL },
163};
164
165static struct ti_dt_clk omap2430_clks[] = {
166	DT_CLK("twl", "fck", "osc_ck"),
167	DT_CLK(NULL, "iva2_1_ick", "iva2_1_ick"),
168	DT_CLK(NULL, "mdm_ick", "mdm_ick"),
169	DT_CLK(NULL, "mdm_osc_ck", "mdm_osc_ck"),
170	DT_CLK("omap-mcbsp.3", "ick", "mcbsp3_ick"),
171	DT_CLK(NULL, "mcbsp3_ick", "mcbsp3_ick"),
172	DT_CLK(NULL, "mcbsp3_fck", "mcbsp3_fck"),
173	DT_CLK("omap-mcbsp.4", "ick", "mcbsp4_ick"),
174	DT_CLK(NULL, "mcbsp4_ick", "mcbsp4_ick"),
175	DT_CLK(NULL, "mcbsp4_fck", "mcbsp4_fck"),
176	DT_CLK("omap-mcbsp.5", "ick", "mcbsp5_ick"),
177	DT_CLK(NULL, "mcbsp5_ick", "mcbsp5_ick"),
178	DT_CLK(NULL, "mcbsp5_fck", "mcbsp5_fck"),
179	DT_CLK("omap2_mcspi.3", "ick", "mcspi3_ick"),
180	DT_CLK(NULL, "mcspi3_ick", "mcspi3_ick"),
181	DT_CLK(NULL, "mcspi3_fck", "mcspi3_fck"),
182	DT_CLK(NULL, "icr_ick", "icr_ick"),
183	DT_CLK(NULL, "i2chs1_fck", "i2chs1_fck"),
184	DT_CLK(NULL, "i2chs2_fck", "i2chs2_fck"),
185	DT_CLK("musb-omap2430", "ick", "usbhs_ick"),
186	DT_CLK(NULL, "usbhs_ick", "usbhs_ick"),
187	DT_CLK("omap_hsmmc.0", "ick", "mmchs1_ick"),
188	DT_CLK(NULL, "mmchs1_ick", "mmchs1_ick"),
189	DT_CLK(NULL, "mmchs1_fck", "mmchs1_fck"),
190	DT_CLK("omap_hsmmc.1", "ick", "mmchs2_ick"),
191	DT_CLK(NULL, "mmchs2_ick", "mmchs2_ick"),
192	DT_CLK(NULL, "mmchs2_fck", "mmchs2_fck"),
193	DT_CLK(NULL, "gpio5_ick", "gpio5_ick"),
194	DT_CLK(NULL, "gpio5_fck", "gpio5_fck"),
195	DT_CLK(NULL, "mdm_intc_ick", "mdm_intc_ick"),
196	DT_CLK("omap_hsmmc.0", "mmchsdb_fck", "mmchsdb1_fck"),
197	DT_CLK(NULL, "mmchsdb1_fck", "mmchsdb1_fck"),
198	DT_CLK("omap_hsmmc.1", "mmchsdb_fck", "mmchsdb2_fck"),
199	DT_CLK(NULL, "mmchsdb2_fck", "mmchsdb2_fck"),
200	{ .node_name = NULL },
201};
202
203static const char *enable_init_clks[] = {
204	"apll96_ck",
205	"apll54_ck",
206	"sync_32k_ick",
207	"omapctrl_ick",
208	"gpmc_fck",
209	"sdrc_ick",
210};
211
212enum {
213	OMAP2_SOC_OMAP2420,
214	OMAP2_SOC_OMAP2430,
215};
216
217static int __init omap2xxx_dt_clk_init(int soc_type)
218{
219	ti_dt_clocks_register(omap2xxx_clks);
220
221	if (soc_type == OMAP2_SOC_OMAP2420)
222		ti_dt_clocks_register(omap2420_clks);
223	else
224		ti_dt_clocks_register(omap2430_clks);
225
226	omap2xxx_clkt_vps_init();
227
228	omap2_clk_disable_autoidle_all();
229
230	omap2_clk_enable_init_clocks(enable_init_clks,
231				     ARRAY_SIZE(enable_init_clks));
232
233	pr_info("Clocking rate (Crystal/DPLL/MPU): %ld.%01ld/%ld/%ld MHz\n",
234		(clk_get_rate(clk_get_sys(NULL, "sys_ck")) / 1000000),
235		(clk_get_rate(clk_get_sys(NULL, "sys_ck")) / 100000) % 10,
236		(clk_get_rate(clk_get_sys(NULL, "dpll_ck")) / 1000000),
237		(clk_get_rate(clk_get_sys(NULL, "mpu_ck")) / 1000000));
238
239	return 0;
240}
241
242int __init omap2420_dt_clk_init(void)
243{
244	return omap2xxx_dt_clk_init(OMAP2_SOC_OMAP2420);
245}
246
247int __init omap2430_dt_clk_init(void)
248{
249	return omap2xxx_dt_clk_init(OMAP2_SOC_OMAP2430);
250}
251