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Merge tag 'locks-v3.16-2' of git://git.samba.org/jlayton/linux
[linux/fpc-iii.git] / arch / arm / mach-imx / clk-imx51-imx53.c
blob21d2b111c83d5e5c778445545e2879b60a33b667
1 /*
2 * Copyright (C) 2011 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
7 *
8 */
9 #include <linux/mm.h>
10 #include <linux/delay.h>
11 #include <linux/clk.h>
12 #include <linux/io.h>
13 #include <linux/clkdev.h>
14 #include <linux/clk-provider.h>
15 #include <linux/err.h>
16 #include <linux/of.h>
17 #include <linux/of_address.h>
18 #include <linux/of_irq.h>
19 #include <dt-bindings/clock/imx5-clock.h>
20
21 #include "crm-regs-imx5.h"
22 #include "clk.h"
23 #include "common.h"
24 #include "hardware.h"
25
26 /* Low-power Audio Playback Mode clock */
27 static const char *lp_apm_sel[] = { "osc", };
28
29 /* This is used multiple times */
30 static const char *standard_pll_sel[] = { "pll1_sw", "pll2_sw", "pll3_sw", "lp_apm", };
31 static const char *periph_apm_sel[] = { "pll1_sw", "pll3_sw", "lp_apm", };
32 static const char *main_bus_sel[] = { "pll2_sw", "periph_apm", };
33 static const char *per_lp_apm_sel[] = { "main_bus", "lp_apm", };
34 static const char *per_root_sel[] = { "per_podf", "ipg", };
35 static const char *esdhc_c_sel[] = { "esdhc_a_podf", "esdhc_b_podf", };
36 static const char *esdhc_d_sel[] = { "esdhc_a_podf", "esdhc_b_podf", };
37 static const char *ssi_apm_sels[] = { "ckih1", "lp_amp", "ckih2", };
38 static const char *ssi_clk_sels[] = { "pll1_sw", "pll2_sw", "pll3_sw", "ssi_apm", };
39 static const char *ssi3_clk_sels[] = { "ssi1_root_gate", "ssi2_root_gate", };
40 static const char *ssi_ext1_com_sels[] = { "ssi_ext1_podf", "ssi1_root_gate", };
41 static const char *ssi_ext2_com_sels[] = { "ssi_ext2_podf", "ssi2_root_gate", };
42 static const char *emi_slow_sel[] = { "main_bus", "ahb", };
43 static const char *usb_phy_sel_str[] = { "osc", "usb_phy_podf", };
44 static const char *mx51_ipu_di0_sel[] = { "di_pred", "osc", "ckih1", "tve_di", };
45 static const char *mx53_ipu_di0_sel[] = { "di_pred", "osc", "ckih1", "di_pll4_podf", "dummy", "ldb_di0_gate", };
46 static const char *mx53_ldb_di0_sel[] = { "pll3_sw", "pll4_sw", };
47 static const char *mx51_ipu_di1_sel[] = { "di_pred", "osc", "ckih1", "tve_di", "ipp_di1", };
48 static const char *mx53_ipu_di1_sel[] = { "di_pred", "osc", "ckih1", "tve_di", "ipp_di1", "ldb_di1_gate", };
49 static const char *mx53_ldb_di1_sel[] = { "pll3_sw", "pll4_sw", };
50 static const char *mx51_tve_ext_sel[] = { "osc", "ckih1", };
51 static const char *mx53_tve_ext_sel[] = { "pll4_sw", "ckih1", };
52 static const char *mx51_tve_sel[] = { "tve_pred", "tve_ext_sel", };
53 static const char *ipu_sel[] = { "axi_a", "axi_b", "emi_slow_gate", "ahb", };
54 static const char *gpu3d_sel[] = { "axi_a", "axi_b", "emi_slow_gate", "ahb" };
55 static const char *gpu2d_sel[] = { "axi_a", "axi_b", "emi_slow_gate", "ahb" };
56 static const char *vpu_sel[] = { "axi_a", "axi_b", "emi_slow_gate", "ahb", };
57 static const char *mx53_can_sel[] = { "ipg", "ckih1", "ckih2", "lp_apm", };
58 static const char *mx53_cko1_sel[] = {
59 "cpu_podf", "pll1_sw", "pll2_sw", "pll3_sw",
60 "emi_slow_podf", "pll4_sw", "nfc_podf", "dummy",
61 "di_pred", "dummy", "dummy", "ahb",
62 "ipg", "per_root", "ckil", "dummy",};
63 static const char *mx53_cko2_sel[] = {
64 "dummy"/* dptc_core */, "dummy"/* dptc_perich */,
65 "dummy", "esdhc_a_podf",
66 "usboh3_podf", "dummy"/* wrck_clk_root */,
67 "ecspi_podf", "dummy"/* pll1_ref_clk */,
68 "esdhc_b_podf", "dummy"/* ddr_clk_root */,
69 "dummy"/* arm_axi_clk_root */, "dummy"/* usb_phy_out */,
70 "vpu_sel", "ipu_sel",
71 "osc", "ckih1",
72 "dummy", "esdhc_c_sel",
73 "ssi1_root_podf", "ssi2_root_podf",
74 "dummy", "dummy",
75 "dummy"/* lpsr_clk_root */, "dummy"/* pgc_clk_root */,
76 "dummy"/* tve_out */, "usb_phy_sel",
77 "tve_sel", "lp_apm",
78 "uart_root", "dummy"/* spdif0_clk_root */,
79 "dummy", "dummy", };
80 static const char *mx51_spdif_xtal_sel[] = { "osc", "ckih", "ckih2", };
81 static const char *mx53_spdif_xtal_sel[] = { "osc", "ckih", "ckih2", "pll4_sw", };
82 static const char *spdif_sel[] = { "pll1_sw", "pll2_sw", "pll3_sw", "spdif_xtal_sel", };
83 static const char *spdif0_com_sel[] = { "spdif0_podf", "ssi1_root_gate", };
84 static const char *mx51_spdif1_com_sel[] = { "spdif1_podf", "ssi2_root_gate", };
85
86 static struct clk *clk[IMX5_CLK_END];
87 static struct clk_onecell_data clk_data;
88
89 static void __init mx5_clocks_common_init(unsigned long rate_ckil,
90 unsigned long rate_osc, unsigned long rate_ckih1,
91 unsigned long rate_ckih2)
92 {
93 int i;
94
95 clk[IMX5_CLK_DUMMY] = imx_clk_fixed("dummy", 0);
96 clk[IMX5_CLK_CKIL] = imx_obtain_fixed_clock("ckil", rate_ckil);
97 clk[IMX5_CLK_OSC] = imx_obtain_fixed_clock("osc", rate_osc);
98 clk[IMX5_CLK_CKIH1] = imx_obtain_fixed_clock("ckih1", rate_ckih1);
99 clk[IMX5_CLK_CKIH2] = imx_obtain_fixed_clock("ckih2", rate_ckih2);
100
101 clk[IMX5_CLK_PERIPH_APM] = imx_clk_mux("periph_apm", MXC_CCM_CBCMR, 12, 2,
102 periph_apm_sel, ARRAY_SIZE(periph_apm_sel));
103 clk[IMX5_CLK_MAIN_BUS] = imx_clk_mux("main_bus", MXC_CCM_CBCDR, 25, 1,
104 main_bus_sel, ARRAY_SIZE(main_bus_sel));
105 clk[IMX5_CLK_PER_LP_APM] = imx_clk_mux("per_lp_apm", MXC_CCM_CBCMR, 1, 1,
106 per_lp_apm_sel, ARRAY_SIZE(per_lp_apm_sel));
107 clk[IMX5_CLK_PER_PRED1] = imx_clk_divider("per_pred1", "per_lp_apm", MXC_CCM_CBCDR, 6, 2);
108 clk[IMX5_CLK_PER_PRED2] = imx_clk_divider("per_pred2", "per_pred1", MXC_CCM_CBCDR, 3, 3);
109 clk[IMX5_CLK_PER_PODF] = imx_clk_divider("per_podf", "per_pred2", MXC_CCM_CBCDR, 0, 3);
110 clk[IMX5_CLK_PER_ROOT] = imx_clk_mux("per_root", MXC_CCM_CBCMR, 0, 1,
111 per_root_sel, ARRAY_SIZE(per_root_sel));
112 clk[IMX5_CLK_AHB] = imx_clk_divider("ahb", "main_bus", MXC_CCM_CBCDR, 10, 3);
113 clk[IMX5_CLK_AHB_MAX] = imx_clk_gate2("ahb_max", "ahb", MXC_CCM_CCGR0, 28);
114 clk[IMX5_CLK_AIPS_TZ1] = imx_clk_gate2("aips_tz1", "ahb", MXC_CCM_CCGR0, 24);
115 clk[IMX5_CLK_AIPS_TZ2] = imx_clk_gate2("aips_tz2", "ahb", MXC_CCM_CCGR0, 26);
116 clk[IMX5_CLK_TMAX1] = imx_clk_gate2("tmax1", "ahb", MXC_CCM_CCGR1, 0);
117 clk[IMX5_CLK_TMAX2] = imx_clk_gate2("tmax2", "ahb", MXC_CCM_CCGR1, 2);
118 clk[IMX5_CLK_TMAX3] = imx_clk_gate2("tmax3", "ahb", MXC_CCM_CCGR1, 4);
119 clk[IMX5_CLK_SPBA] = imx_clk_gate2("spba", "ipg", MXC_CCM_CCGR5, 0);
120 clk[IMX5_CLK_IPG] = imx_clk_divider("ipg", "ahb", MXC_CCM_CBCDR, 8, 2);
121 clk[IMX5_CLK_AXI_A] = imx_clk_divider("axi_a", "main_bus", MXC_CCM_CBCDR, 16, 3);
122 clk[IMX5_CLK_AXI_B] = imx_clk_divider("axi_b", "main_bus", MXC_CCM_CBCDR, 19, 3);
123 clk[IMX5_CLK_UART_SEL] = imx_clk_mux("uart_sel", MXC_CCM_CSCMR1, 24, 2,
124 standard_pll_sel, ARRAY_SIZE(standard_pll_sel));
125 clk[IMX5_CLK_UART_PRED] = imx_clk_divider("uart_pred", "uart_sel", MXC_CCM_CSCDR1, 3, 3);
126 clk[IMX5_CLK_UART_ROOT] = imx_clk_divider("uart_root", "uart_pred", MXC_CCM_CSCDR1, 0, 3);
127
128 clk[IMX5_CLK_ESDHC_A_SEL] = imx_clk_mux("esdhc_a_sel", MXC_CCM_CSCMR1, 20, 2,
129 standard_pll_sel, ARRAY_SIZE(standard_pll_sel));
130 clk[IMX5_CLK_ESDHC_B_SEL] = imx_clk_mux("esdhc_b_sel", MXC_CCM_CSCMR1, 16, 2,
131 standard_pll_sel, ARRAY_SIZE(standard_pll_sel));
132 clk[IMX5_CLK_ESDHC_A_PRED] = imx_clk_divider("esdhc_a_pred", "esdhc_a_sel", MXC_CCM_CSCDR1, 16, 3);
133 clk[IMX5_CLK_ESDHC_A_PODF] = imx_clk_divider("esdhc_a_podf", "esdhc_a_pred", MXC_CCM_CSCDR1, 11, 3);
134 clk[IMX5_CLK_ESDHC_B_PRED] = imx_clk_divider("esdhc_b_pred", "esdhc_b_sel", MXC_CCM_CSCDR1, 22, 3);
135 clk[IMX5_CLK_ESDHC_B_PODF] = imx_clk_divider("esdhc_b_podf", "esdhc_b_pred", MXC_CCM_CSCDR1, 19, 3);
136 clk[IMX5_CLK_ESDHC_C_SEL] = imx_clk_mux("esdhc_c_sel", MXC_CCM_CSCMR1, 19, 1, esdhc_c_sel, ARRAY_SIZE(esdhc_c_sel));
137 clk[IMX5_CLK_ESDHC_D_SEL] = imx_clk_mux("esdhc_d_sel", MXC_CCM_CSCMR1, 18, 1, esdhc_d_sel, ARRAY_SIZE(esdhc_d_sel));
138
139 clk[IMX5_CLK_EMI_SEL] = imx_clk_mux("emi_sel", MXC_CCM_CBCDR, 26, 1,
140 emi_slow_sel, ARRAY_SIZE(emi_slow_sel));
141 clk[IMX5_CLK_EMI_SLOW_PODF] = imx_clk_divider("emi_slow_podf", "emi_sel", MXC_CCM_CBCDR, 22, 3);
142 clk[IMX5_CLK_NFC_PODF] = imx_clk_divider("nfc_podf", "emi_slow_podf", MXC_CCM_CBCDR, 13, 3);
143 clk[IMX5_CLK_ECSPI_SEL] = imx_clk_mux("ecspi_sel", MXC_CCM_CSCMR1, 4, 2,
144 standard_pll_sel, ARRAY_SIZE(standard_pll_sel));
145 clk[IMX5_CLK_ECSPI_PRED] = imx_clk_divider("ecspi_pred", "ecspi_sel", MXC_CCM_CSCDR2, 25, 3);
146 clk[IMX5_CLK_ECSPI_PODF] = imx_clk_divider("ecspi_podf", "ecspi_pred", MXC_CCM_CSCDR2, 19, 6);
147 clk[IMX5_CLK_USBOH3_SEL] = imx_clk_mux("usboh3_sel", MXC_CCM_CSCMR1, 22, 2,
148 standard_pll_sel, ARRAY_SIZE(standard_pll_sel));
149 clk[IMX5_CLK_USBOH3_PRED] = imx_clk_divider("usboh3_pred", "usboh3_sel", MXC_CCM_CSCDR1, 8, 3);
150 clk[IMX5_CLK_USBOH3_PODF] = imx_clk_divider("usboh3_podf", "usboh3_pred", MXC_CCM_CSCDR1, 6, 2);
151 clk[IMX5_CLK_USB_PHY_PRED] = imx_clk_divider("usb_phy_pred", "pll3_sw", MXC_CCM_CDCDR, 3, 3);
152 clk[IMX5_CLK_USB_PHY_PODF] = imx_clk_divider("usb_phy_podf", "usb_phy_pred", MXC_CCM_CDCDR, 0, 3);
153 clk[IMX5_CLK_USB_PHY_SEL] = imx_clk_mux("usb_phy_sel", MXC_CCM_CSCMR1, 26, 1,
154 usb_phy_sel_str, ARRAY_SIZE(usb_phy_sel_str));
155 clk[IMX5_CLK_CPU_PODF] = imx_clk_divider("cpu_podf", "pll1_sw", MXC_CCM_CACRR, 0, 3);
156 clk[IMX5_CLK_DI_PRED] = imx_clk_divider("di_pred", "pll3_sw", MXC_CCM_CDCDR, 6, 3);
157 clk[IMX5_CLK_IIM_GATE] = imx_clk_gate2("iim_gate", "ipg", MXC_CCM_CCGR0, 30);
158 clk[IMX5_CLK_UART1_IPG_GATE] = imx_clk_gate2("uart1_ipg_gate", "ipg", MXC_CCM_CCGR1, 6);
159 clk[IMX5_CLK_UART1_PER_GATE] = imx_clk_gate2("uart1_per_gate", "uart_root", MXC_CCM_CCGR1, 8);
160 clk[IMX5_CLK_UART2_IPG_GATE] = imx_clk_gate2("uart2_ipg_gate", "ipg", MXC_CCM_CCGR1, 10);
161 clk[IMX5_CLK_UART2_PER_GATE] = imx_clk_gate2("uart2_per_gate", "uart_root", MXC_CCM_CCGR1, 12);
162 clk[IMX5_CLK_UART3_IPG_GATE] = imx_clk_gate2("uart3_ipg_gate", "ipg", MXC_CCM_CCGR1, 14);
163 clk[IMX5_CLK_UART3_PER_GATE] = imx_clk_gate2("uart3_per_gate", "uart_root", MXC_CCM_CCGR1, 16);
164 clk[IMX5_CLK_I2C1_GATE] = imx_clk_gate2("i2c1_gate", "per_root", MXC_CCM_CCGR1, 18);
165 clk[IMX5_CLK_I2C2_GATE] = imx_clk_gate2("i2c2_gate", "per_root", MXC_CCM_CCGR1, 20);
166 clk[IMX5_CLK_PWM1_IPG_GATE] = imx_clk_gate2("pwm1_ipg_gate", "ipg", MXC_CCM_CCGR2, 10);
167 clk[IMX5_CLK_PWM1_HF_GATE] = imx_clk_gate2("pwm1_hf_gate", "per_root", MXC_CCM_CCGR2, 12);
168 clk[IMX5_CLK_PWM2_IPG_GATE] = imx_clk_gate2("pwm2_ipg_gate", "ipg", MXC_CCM_CCGR2, 14);
169 clk[IMX5_CLK_PWM2_HF_GATE] = imx_clk_gate2("pwm2_hf_gate", "per_root", MXC_CCM_CCGR2, 16);
170 clk[IMX5_CLK_GPT_IPG_GATE] = imx_clk_gate2("gpt_ipg_gate", "ipg", MXC_CCM_CCGR2, 18);
171 clk[IMX5_CLK_GPT_HF_GATE] = imx_clk_gate2("gpt_hf_gate", "per_root", MXC_CCM_CCGR2, 20);
172 clk[IMX5_CLK_FEC_GATE] = imx_clk_gate2("fec_gate", "ipg", MXC_CCM_CCGR2, 24);
173 clk[IMX5_CLK_USBOH3_GATE] = imx_clk_gate2("usboh3_gate", "ipg", MXC_CCM_CCGR2, 26);
174 clk[IMX5_CLK_USBOH3_PER_GATE] = imx_clk_gate2("usboh3_per_gate", "usboh3_podf", MXC_CCM_CCGR2, 28);
175 clk[IMX5_CLK_ESDHC1_IPG_GATE] = imx_clk_gate2("esdhc1_ipg_gate", "ipg", MXC_CCM_CCGR3, 0);
176 clk[IMX5_CLK_ESDHC2_IPG_GATE] = imx_clk_gate2("esdhc2_ipg_gate", "ipg", MXC_CCM_CCGR3, 4);
177 clk[IMX5_CLK_ESDHC3_IPG_GATE] = imx_clk_gate2("esdhc3_ipg_gate", "ipg", MXC_CCM_CCGR3, 8);
178 clk[IMX5_CLK_ESDHC4_IPG_GATE] = imx_clk_gate2("esdhc4_ipg_gate", "ipg", MXC_CCM_CCGR3, 12);
179 clk[IMX5_CLK_SSI1_IPG_GATE] = imx_clk_gate2("ssi1_ipg_gate", "ipg", MXC_CCM_CCGR3, 16);
180 clk[IMX5_CLK_SSI2_IPG_GATE] = imx_clk_gate2("ssi2_ipg_gate", "ipg", MXC_CCM_CCGR3, 20);
181 clk[IMX5_CLK_SSI3_IPG_GATE] = imx_clk_gate2("ssi3_ipg_gate", "ipg", MXC_CCM_CCGR3, 24);
182 clk[IMX5_CLK_ECSPI1_IPG_GATE] = imx_clk_gate2("ecspi1_ipg_gate", "ipg", MXC_CCM_CCGR4, 18);
183 clk[IMX5_CLK_ECSPI1_PER_GATE] = imx_clk_gate2("ecspi1_per_gate", "ecspi_podf", MXC_CCM_CCGR4, 20);
184 clk[IMX5_CLK_ECSPI2_IPG_GATE] = imx_clk_gate2("ecspi2_ipg_gate", "ipg", MXC_CCM_CCGR4, 22);
185 clk[IMX5_CLK_ECSPI2_PER_GATE] = imx_clk_gate2("ecspi2_per_gate", "ecspi_podf", MXC_CCM_CCGR4, 24);
186 clk[IMX5_CLK_CSPI_IPG_GATE] = imx_clk_gate2("cspi_ipg_gate", "ipg", MXC_CCM_CCGR4, 26);
187 clk[IMX5_CLK_SDMA_GATE] = imx_clk_gate2("sdma_gate", "ipg", MXC_CCM_CCGR4, 30);
188 clk[IMX5_CLK_EMI_FAST_GATE] = imx_clk_gate2("emi_fast_gate", "dummy", MXC_CCM_CCGR5, 14);
189 clk[IMX5_CLK_EMI_SLOW_GATE] = imx_clk_gate2("emi_slow_gate", "emi_slow_podf", MXC_CCM_CCGR5, 16);
190 clk[IMX5_CLK_IPU_SEL] = imx_clk_mux("ipu_sel", MXC_CCM_CBCMR, 6, 2, ipu_sel, ARRAY_SIZE(ipu_sel));
191 clk[IMX5_CLK_IPU_GATE] = imx_clk_gate2("ipu_gate", "ipu_sel", MXC_CCM_CCGR5, 10);
192 clk[IMX5_CLK_NFC_GATE] = imx_clk_gate2("nfc_gate", "nfc_podf", MXC_CCM_CCGR5, 20);
193 clk[IMX5_CLK_IPU_DI0_GATE] = imx_clk_gate2("ipu_di0_gate", "ipu_di0_sel", MXC_CCM_CCGR6, 10);
194 clk[IMX5_CLK_IPU_DI1_GATE] = imx_clk_gate2("ipu_di1_gate", "ipu_di1_sel", MXC_CCM_CCGR6, 12);
195 clk[IMX5_CLK_GPU3D_SEL] = imx_clk_mux("gpu3d_sel", MXC_CCM_CBCMR, 4, 2, gpu3d_sel, ARRAY_SIZE(gpu3d_sel));
196 clk[IMX5_CLK_GPU2D_SEL] = imx_clk_mux("gpu2d_sel", MXC_CCM_CBCMR, 16, 2, gpu2d_sel, ARRAY_SIZE(gpu2d_sel));
197 clk[IMX5_CLK_GPU3D_GATE] = imx_clk_gate2("gpu3d_gate", "gpu3d_sel", MXC_CCM_CCGR5, 2);
198 clk[IMX5_CLK_GARB_GATE] = imx_clk_gate2("garb_gate", "axi_a", MXC_CCM_CCGR5, 4);
199 clk[IMX5_CLK_GPU2D_GATE] = imx_clk_gate2("gpu2d_gate", "gpu2d_sel", MXC_CCM_CCGR6, 14);
200 clk[IMX5_CLK_VPU_SEL] = imx_clk_mux("vpu_sel", MXC_CCM_CBCMR, 14, 2, vpu_sel, ARRAY_SIZE(vpu_sel));
201 clk[IMX5_CLK_VPU_GATE] = imx_clk_gate2("vpu_gate", "vpu_sel", MXC_CCM_CCGR5, 6);
202 clk[IMX5_CLK_VPU_REFERENCE_GATE] = imx_clk_gate2("vpu_reference_gate", "osc", MXC_CCM_CCGR5, 8);
203 clk[IMX5_CLK_UART4_IPG_GATE] = imx_clk_gate2("uart4_ipg_gate", "ipg", MXC_CCM_CCGR7, 8);
204 clk[IMX5_CLK_UART4_PER_GATE] = imx_clk_gate2("uart4_per_gate", "uart_root", MXC_CCM_CCGR7, 10);
205 clk[IMX5_CLK_UART5_IPG_GATE] = imx_clk_gate2("uart5_ipg_gate", "ipg", MXC_CCM_CCGR7, 12);
206 clk[IMX5_CLK_UART5_PER_GATE] = imx_clk_gate2("uart5_per_gate", "uart_root", MXC_CCM_CCGR7, 14);
207 clk[IMX5_CLK_GPC_DVFS] = imx_clk_gate2("gpc_dvfs", "dummy", MXC_CCM_CCGR5, 24);
208
209 clk[IMX5_CLK_SSI_APM] = imx_clk_mux("ssi_apm", MXC_CCM_CSCMR1, 8, 2, ssi_apm_sels, ARRAY_SIZE(ssi_apm_sels));
210 clk[IMX5_CLK_SSI1_ROOT_SEL] = imx_clk_mux("ssi1_root_sel", MXC_CCM_CSCMR1, 14, 2, ssi_clk_sels, ARRAY_SIZE(ssi_clk_sels));
211 clk[IMX5_CLK_SSI2_ROOT_SEL] = imx_clk_mux("ssi2_root_sel", MXC_CCM_CSCMR1, 12, 2, ssi_clk_sels, ARRAY_SIZE(ssi_clk_sels));
212 clk[IMX5_CLK_SSI3_ROOT_SEL] = imx_clk_mux("ssi3_root_sel", MXC_CCM_CSCMR1, 11, 1, ssi3_clk_sels, ARRAY_SIZE(ssi3_clk_sels));
213 clk[IMX5_CLK_SSI_EXT1_SEL] = imx_clk_mux("ssi_ext1_sel", MXC_CCM_CSCMR1, 28, 2, ssi_clk_sels, ARRAY_SIZE(ssi_clk_sels));
214 clk[IMX5_CLK_SSI_EXT2_SEL] = imx_clk_mux("ssi_ext2_sel", MXC_CCM_CSCMR1, 30, 2, ssi_clk_sels, ARRAY_SIZE(ssi_clk_sels));
215 clk[IMX5_CLK_SSI_EXT1_COM_SEL] = imx_clk_mux("ssi_ext1_com_sel", MXC_CCM_CSCMR1, 0, 1, ssi_ext1_com_sels, ARRAY_SIZE(ssi_ext1_com_sels));
216 clk[IMX5_CLK_SSI_EXT2_COM_SEL] = imx_clk_mux("ssi_ext2_com_sel", MXC_CCM_CSCMR1, 1, 1, ssi_ext2_com_sels, ARRAY_SIZE(ssi_ext2_com_sels));
217 clk[IMX5_CLK_SSI1_ROOT_PRED] = imx_clk_divider("ssi1_root_pred", "ssi1_root_sel", MXC_CCM_CS1CDR, 6, 3);
218 clk[IMX5_CLK_SSI1_ROOT_PODF] = imx_clk_divider("ssi1_root_podf", "ssi1_root_pred", MXC_CCM_CS1CDR, 0, 6);
219 clk[IMX5_CLK_SSI2_ROOT_PRED] = imx_clk_divider("ssi2_root_pred", "ssi2_root_sel", MXC_CCM_CS2CDR, 6, 3);
220 clk[IMX5_CLK_SSI2_ROOT_PODF] = imx_clk_divider("ssi2_root_podf", "ssi2_root_pred", MXC_CCM_CS2CDR, 0, 6);
221 clk[IMX5_CLK_SSI_EXT1_PRED] = imx_clk_divider("ssi_ext1_pred", "ssi_ext1_sel", MXC_CCM_CS1CDR, 22, 3);
222 clk[IMX5_CLK_SSI_EXT1_PODF] = imx_clk_divider("ssi_ext1_podf", "ssi_ext1_pred", MXC_CCM_CS1CDR, 16, 6);
223 clk[IMX5_CLK_SSI_EXT2_PRED] = imx_clk_divider("ssi_ext2_pred", "ssi_ext2_sel", MXC_CCM_CS2CDR, 22, 3);
224 clk[IMX5_CLK_SSI_EXT2_PODF] = imx_clk_divider("ssi_ext2_podf", "ssi_ext2_pred", MXC_CCM_CS2CDR, 16, 6);
225 clk[IMX5_CLK_SSI1_ROOT_GATE] = imx_clk_gate2("ssi1_root_gate", "ssi1_root_podf", MXC_CCM_CCGR3, 18);
226 clk[IMX5_CLK_SSI2_ROOT_GATE] = imx_clk_gate2("ssi2_root_gate", "ssi2_root_podf", MXC_CCM_CCGR3, 22);
227 clk[IMX5_CLK_SSI3_ROOT_GATE] = imx_clk_gate2("ssi3_root_gate", "ssi3_root_sel", MXC_CCM_CCGR3, 26);
228 clk[IMX5_CLK_SSI_EXT1_GATE] = imx_clk_gate2("ssi_ext1_gate", "ssi_ext1_com_sel", MXC_CCM_CCGR3, 28);
229 clk[IMX5_CLK_SSI_EXT2_GATE] = imx_clk_gate2("ssi_ext2_gate", "ssi_ext2_com_sel", MXC_CCM_CCGR3, 30);
230 clk[IMX5_CLK_EPIT1_IPG_GATE] = imx_clk_gate2("epit1_ipg_gate", "ipg", MXC_CCM_CCGR2, 2);
231 clk[IMX5_CLK_EPIT1_HF_GATE] = imx_clk_gate2("epit1_hf_gate", "per_root", MXC_CCM_CCGR2, 4);
232 clk[IMX5_CLK_EPIT2_IPG_GATE] = imx_clk_gate2("epit2_ipg_gate", "ipg", MXC_CCM_CCGR2, 6);
233 clk[IMX5_CLK_EPIT2_HF_GATE] = imx_clk_gate2("epit2_hf_gate", "per_root", MXC_CCM_CCGR2, 8);
234 clk[IMX5_CLK_OWIRE_GATE] = imx_clk_gate2("owire_gate", "per_root", MXC_CCM_CCGR2, 22);
235 clk[IMX5_CLK_SRTC_GATE] = imx_clk_gate2("srtc_gate", "per_root", MXC_CCM_CCGR4, 28);
236 clk[IMX5_CLK_PATA_GATE] = imx_clk_gate2("pata_gate", "ipg", MXC_CCM_CCGR4, 0);
237 clk[IMX5_CLK_SPDIF0_SEL] = imx_clk_mux("spdif0_sel", MXC_CCM_CSCMR2, 0, 2, spdif_sel, ARRAY_SIZE(spdif_sel));
238 clk[IMX5_CLK_SPDIF0_PRED] = imx_clk_divider("spdif0_pred", "spdif0_sel", MXC_CCM_CDCDR, 25, 3);
239 clk[IMX5_CLK_SPDIF0_PODF] = imx_clk_divider("spdif0_podf", "spdif0_pred", MXC_CCM_CDCDR, 19, 6);
240 clk[IMX5_CLK_SPDIF0_COM_SEL] = imx_clk_mux_flags("spdif0_com_sel", MXC_CCM_CSCMR2, 4, 1,
241 spdif0_com_sel, ARRAY_SIZE(spdif0_com_sel), CLK_SET_RATE_PARENT);
242 clk[IMX5_CLK_SPDIF0_GATE] = imx_clk_gate2("spdif0_gate", "spdif0_com_sel", MXC_CCM_CCGR5, 26);
243 clk[IMX5_CLK_SPDIF_IPG_GATE] = imx_clk_gate2("spdif_ipg_gate", "ipg", MXC_CCM_CCGR5, 30);
244 clk[IMX5_CLK_SAHARA_IPG_GATE] = imx_clk_gate2("sahara_ipg_gate", "ipg", MXC_CCM_CCGR4, 14);
245 clk[IMX5_CLK_SATA_REF] = imx_clk_fixed_factor("sata_ref", "usb_phy1_gate", 1, 1);
246
247 for (i = 0; i < ARRAY_SIZE(clk); i++)
248 if (IS_ERR(clk[i]))
249 pr_err("i.MX5 clk %d: register failed with %ld\n",
250 i, PTR_ERR(clk[i]));
251
252 clk_register_clkdev(clk[IMX5_CLK_GPT_HF_GATE], "per", "imx-gpt.0");
253 clk_register_clkdev(clk[IMX5_CLK_GPT_IPG_GATE], "ipg", "imx-gpt.0");
254 clk_register_clkdev(clk[IMX5_CLK_UART1_PER_GATE], "per", "imx21-uart.0");
255 clk_register_clkdev(clk[IMX5_CLK_UART1_IPG_GATE], "ipg", "imx21-uart.0");
256 clk_register_clkdev(clk[IMX5_CLK_UART2_PER_GATE], "per", "imx21-uart.1");
257 clk_register_clkdev(clk[IMX5_CLK_UART2_IPG_GATE], "ipg", "imx21-uart.1");
258 clk_register_clkdev(clk[IMX5_CLK_UART3_PER_GATE], "per", "imx21-uart.2");
259 clk_register_clkdev(clk[IMX5_CLK_UART3_IPG_GATE], "ipg", "imx21-uart.2");
260 clk_register_clkdev(clk[IMX5_CLK_UART4_PER_GATE], "per", "imx21-uart.3");
261 clk_register_clkdev(clk[IMX5_CLK_UART4_IPG_GATE], "ipg", "imx21-uart.3");
262 clk_register_clkdev(clk[IMX5_CLK_UART5_PER_GATE], "per", "imx21-uart.4");
263 clk_register_clkdev(clk[IMX5_CLK_UART5_IPG_GATE], "ipg", "imx21-uart.4");
264 clk_register_clkdev(clk[IMX5_CLK_ECSPI1_PER_GATE], "per", "imx51-ecspi.0");
265 clk_register_clkdev(clk[IMX5_CLK_ECSPI1_IPG_GATE], "ipg", "imx51-ecspi.0");
266 clk_register_clkdev(clk[IMX5_CLK_ECSPI2_PER_GATE], "per", "imx51-ecspi.1");
267 clk_register_clkdev(clk[IMX5_CLK_ECSPI2_IPG_GATE], "ipg", "imx51-ecspi.1");
268 clk_register_clkdev(clk[IMX5_CLK_CSPI_IPG_GATE], NULL, "imx35-cspi.2");
269 clk_register_clkdev(clk[IMX5_CLK_I2C1_GATE], NULL, "imx21-i2c.0");
270 clk_register_clkdev(clk[IMX5_CLK_I2C2_GATE], NULL, "imx21-i2c.1");
271 clk_register_clkdev(clk[IMX5_CLK_USBOH3_PER_GATE], "per", "mxc-ehci.0");
272 clk_register_clkdev(clk[IMX5_CLK_USBOH3_GATE], "ipg", "mxc-ehci.0");
273 clk_register_clkdev(clk[IMX5_CLK_USBOH3_GATE], "ahb", "mxc-ehci.0");
274 clk_register_clkdev(clk[IMX5_CLK_USBOH3_PER_GATE], "per", "mxc-ehci.1");
275 clk_register_clkdev(clk[IMX5_CLK_USBOH3_GATE], "ipg", "mxc-ehci.1");
276 clk_register_clkdev(clk[IMX5_CLK_USBOH3_GATE], "ahb", "mxc-ehci.1");
277 clk_register_clkdev(clk[IMX5_CLK_USBOH3_PER_GATE], "per", "mxc-ehci.2");
278 clk_register_clkdev(clk[IMX5_CLK_USBOH3_GATE], "ipg", "mxc-ehci.2");
279 clk_register_clkdev(clk[IMX5_CLK_USBOH3_GATE], "ahb", "mxc-ehci.2");
280 clk_register_clkdev(clk[IMX5_CLK_USBOH3_PER_GATE], "per", "imx-udc-mx51");
281 clk_register_clkdev(clk[IMX5_CLK_USBOH3_GATE], "ipg", "imx-udc-mx51");
282 clk_register_clkdev(clk[IMX5_CLK_USBOH3_GATE], "ahb", "imx-udc-mx51");
283 clk_register_clkdev(clk[IMX5_CLK_NFC_GATE], NULL, "imx51-nand");
284 clk_register_clkdev(clk[IMX5_CLK_SSI1_IPG_GATE], NULL, "imx-ssi.0");
285 clk_register_clkdev(clk[IMX5_CLK_SSI2_IPG_GATE], NULL, "imx-ssi.1");
286 clk_register_clkdev(clk[IMX5_CLK_SSI3_IPG_GATE], NULL, "imx-ssi.2");
287 clk_register_clkdev(clk[IMX5_CLK_SDMA_GATE], NULL, "imx35-sdma");
288 clk_register_clkdev(clk[IMX5_CLK_CPU_PODF], NULL, "cpu0");
289 clk_register_clkdev(clk[IMX5_CLK_IIM_GATE], "iim", NULL);
290 clk_register_clkdev(clk[IMX5_CLK_DUMMY], NULL, "imx2-wdt.0");
291 clk_register_clkdev(clk[IMX5_CLK_DUMMY], NULL, "imx2-wdt.1");
292 clk_register_clkdev(clk[IMX5_CLK_DUMMY], NULL, "imx-keypad");
293 clk_register_clkdev(clk[IMX5_CLK_IPU_DI1_GATE], "di1", "imx-tve.0");
294 clk_register_clkdev(clk[IMX5_CLK_GPC_DVFS], "gpc_dvfs", NULL);
295 clk_register_clkdev(clk[IMX5_CLK_EPIT1_IPG_GATE], "ipg", "imx-epit.0");
296 clk_register_clkdev(clk[IMX5_CLK_EPIT1_HF_GATE], "per", "imx-epit.0");
297 clk_register_clkdev(clk[IMX5_CLK_EPIT2_IPG_GATE], "ipg", "imx-epit.1");
298 clk_register_clkdev(clk[IMX5_CLK_EPIT2_HF_GATE], "per", "imx-epit.1");
299
300 /* Set SDHC parents to be PLL2 */
301 clk_set_parent(clk[IMX5_CLK_ESDHC_A_SEL], clk[IMX5_CLK_PLL2_SW]);
302 clk_set_parent(clk[IMX5_CLK_ESDHC_B_SEL], clk[IMX5_CLK_PLL2_SW]);
303
304 /* move usb phy clk to 24MHz */
305 clk_set_parent(clk[IMX5_CLK_USB_PHY_SEL], clk[IMX5_CLK_OSC]);
306
307 clk_prepare_enable(clk[IMX5_CLK_GPC_DVFS]);
308 clk_prepare_enable(clk[IMX5_CLK_AHB_MAX]); /* esdhc3 */
309 clk_prepare_enable(clk[IMX5_CLK_AIPS_TZ1]);
310 clk_prepare_enable(clk[IMX5_CLK_AIPS_TZ2]); /* fec */
311 clk_prepare_enable(clk[IMX5_CLK_SPBA]);
312 clk_prepare_enable(clk[IMX5_CLK_EMI_FAST_GATE]); /* fec */
313 clk_prepare_enable(clk[IMX5_CLK_EMI_SLOW_GATE]); /* eim */
314 clk_prepare_enable(clk[IMX5_CLK_MIPI_HSC1_GATE]);
315 clk_prepare_enable(clk[IMX5_CLK_MIPI_HSC2_GATE]);
316 clk_prepare_enable(clk[IMX5_CLK_MIPI_ESC_GATE]);
317 clk_prepare_enable(clk[IMX5_CLK_MIPI_HSP_GATE]);
318 clk_prepare_enable(clk[IMX5_CLK_TMAX1]);
319 clk_prepare_enable(clk[IMX5_CLK_TMAX2]); /* esdhc2, fec */
320 clk_prepare_enable(clk[IMX5_CLK_TMAX3]); /* esdhc1, esdhc4 */
321 }
322
323 static void __init mx50_clocks_init(struct device_node *np)
324 {
325 unsigned long r;
326 int i;
327
328 clk[IMX5_CLK_PLL1_SW] = imx_clk_pllv2("pll1_sw", "osc", MX53_DPLL1_BASE);
329 clk[IMX5_CLK_PLL2_SW] = imx_clk_pllv2("pll2_sw", "osc", MX53_DPLL2_BASE);
330 clk[IMX5_CLK_PLL3_SW] = imx_clk_pllv2("pll3_sw", "osc", MX53_DPLL3_BASE);
331
332 clk[IMX5_CLK_LP_APM] = imx_clk_mux("lp_apm", MXC_CCM_CCSR, 10, 1,
333 lp_apm_sel, ARRAY_SIZE(lp_apm_sel));
334 clk[IMX5_CLK_ESDHC1_PER_GATE] = imx_clk_gate2("esdhc1_per_gate", "esdhc_a_podf", MXC_CCM_CCGR3, 2);
335 clk[IMX5_CLK_ESDHC2_PER_GATE] = imx_clk_gate2("esdhc2_per_gate", "esdhc_c_sel", MXC_CCM_CCGR3, 6);
336 clk[IMX5_CLK_ESDHC3_PER_GATE] = imx_clk_gate2("esdhc3_per_gate", "esdhc_b_podf", MXC_CCM_CCGR3, 10);
337 clk[IMX5_CLK_ESDHC4_PER_GATE] = imx_clk_gate2("esdhc4_per_gate", "esdhc_d_sel", MXC_CCM_CCGR3, 14);
338 clk[IMX5_CLK_USB_PHY1_GATE] = imx_clk_gate2("usb_phy1_gate", "usb_phy_sel", MXC_CCM_CCGR4, 10);
339 clk[IMX5_CLK_USB_PHY2_GATE] = imx_clk_gate2("usb_phy2_gate", "usb_phy_sel", MXC_CCM_CCGR4, 12);
340 clk[IMX5_CLK_I2C3_GATE] = imx_clk_gate2("i2c3_gate", "per_root", MXC_CCM_CCGR1, 22);
341
342 clk[IMX5_CLK_CKO1_SEL] = imx_clk_mux("cko1_sel", MXC_CCM_CCOSR, 0, 4,
343 mx53_cko1_sel, ARRAY_SIZE(mx53_cko1_sel));
344 clk[IMX5_CLK_CKO1_PODF] = imx_clk_divider("cko1_podf", "cko1_sel", MXC_CCM_CCOSR, 4, 3);
345 clk[IMX5_CLK_CKO1] = imx_clk_gate2("cko1", "cko1_podf", MXC_CCM_CCOSR, 7);
346
347 clk[IMX5_CLK_CKO2_SEL] = imx_clk_mux("cko2_sel", MXC_CCM_CCOSR, 16, 5,
348 mx53_cko2_sel, ARRAY_SIZE(mx53_cko2_sel));
349 clk[IMX5_CLK_CKO2_PODF] = imx_clk_divider("cko2_podf", "cko2_sel", MXC_CCM_CCOSR, 21, 3);
350 clk[IMX5_CLK_CKO2] = imx_clk_gate2("cko2", "cko2_podf", MXC_CCM_CCOSR, 24);
351
352 for (i = 0; i < ARRAY_SIZE(clk); i++)
353 if (IS_ERR(clk[i]))
354 pr_err("i.MX50 clk %d: register failed with %ld\n",
355 i, PTR_ERR(clk[i]));
356
357 clk_data.clks = clk;
358 clk_data.clk_num = ARRAY_SIZE(clk);
359 of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
360
361 mx5_clocks_common_init(0, 0, 0, 0);
362
363 /* set SDHC root clock to 200MHZ*/
364 clk_set_rate(clk[IMX5_CLK_ESDHC_A_PODF], 200000000);
365 clk_set_rate(clk[IMX5_CLK_ESDHC_B_PODF], 200000000);
366
367 clk_prepare_enable(clk[IMX5_CLK_IIM_GATE]);
368 imx_print_silicon_rev("i.MX50", IMX_CHIP_REVISION_1_1);
369 clk_disable_unprepare(clk[IMX5_CLK_IIM_GATE]);
370
371 r = clk_round_rate(clk[IMX5_CLK_USBOH3_PER_GATE], 54000000);
372 clk_set_rate(clk[IMX5_CLK_USBOH3_PER_GATE], r);
373
374 mxc_timer_init_dt(of_find_compatible_node(NULL, NULL, "fsl,imx50-gpt"));
375 }
376 CLK_OF_DECLARE(imx50_ccm, "fsl,imx50-ccm", mx50_clocks_init);
377
378 int __init mx51_clocks_init(unsigned long rate_ckil, unsigned long rate_osc,
379 unsigned long rate_ckih1, unsigned long rate_ckih2)
380 {
381 int i;
382 u32 val;
383 struct device_node *np;
384
385 clk[IMX5_CLK_PLL1_SW] = imx_clk_pllv2("pll1_sw", "osc", MX51_DPLL1_BASE);
386 clk[IMX5_CLK_PLL2_SW] = imx_clk_pllv2("pll2_sw", "osc", MX51_DPLL2_BASE);
387 clk[IMX5_CLK_PLL3_SW] = imx_clk_pllv2("pll3_sw", "osc", MX51_DPLL3_BASE);
388 clk[IMX5_CLK_LP_APM] = imx_clk_mux("lp_apm", MXC_CCM_CCSR, 9, 1,
389 lp_apm_sel, ARRAY_SIZE(lp_apm_sel));
390 clk[IMX5_CLK_IPU_DI0_SEL] = imx_clk_mux("ipu_di0_sel", MXC_CCM_CSCMR2, 26, 3,
391 mx51_ipu_di0_sel, ARRAY_SIZE(mx51_ipu_di0_sel));
392 clk[IMX5_CLK_IPU_DI1_SEL] = imx_clk_mux("ipu_di1_sel", MXC_CCM_CSCMR2, 29, 3,
393 mx51_ipu_di1_sel, ARRAY_SIZE(mx51_ipu_di1_sel));
394 clk[IMX5_CLK_TVE_EXT_SEL] = imx_clk_mux_flags("tve_ext_sel", MXC_CCM_CSCMR1, 6, 1,
395 mx51_tve_ext_sel, ARRAY_SIZE(mx51_tve_ext_sel), CLK_SET_RATE_PARENT);
396 clk[IMX5_CLK_TVE_SEL] = imx_clk_mux("tve_sel", MXC_CCM_CSCMR1, 7, 1,
397 mx51_tve_sel, ARRAY_SIZE(mx51_tve_sel));
398 clk[IMX5_CLK_TVE_GATE] = imx_clk_gate2("tve_gate", "tve_sel", MXC_CCM_CCGR2, 30);
399 clk[IMX5_CLK_TVE_PRED] = imx_clk_divider("tve_pred", "pll3_sw", MXC_CCM_CDCDR, 28, 3);
400 clk[IMX5_CLK_ESDHC1_PER_GATE] = imx_clk_gate2("esdhc1_per_gate", "esdhc_a_podf", MXC_CCM_CCGR3, 2);
401 clk[IMX5_CLK_ESDHC2_PER_GATE] = imx_clk_gate2("esdhc2_per_gate", "esdhc_b_podf", MXC_CCM_CCGR3, 6);
402 clk[IMX5_CLK_ESDHC3_PER_GATE] = imx_clk_gate2("esdhc3_per_gate", "esdhc_c_sel", MXC_CCM_CCGR3, 10);
403 clk[IMX5_CLK_ESDHC4_PER_GATE] = imx_clk_gate2("esdhc4_per_gate", "esdhc_d_sel", MXC_CCM_CCGR3, 14);
404 clk[IMX5_CLK_USB_PHY_GATE] = imx_clk_gate2("usb_phy_gate", "usb_phy_sel", MXC_CCM_CCGR2, 0);
405 clk[IMX5_CLK_HSI2C_GATE] = imx_clk_gate2("hsi2c_gate", "ipg", MXC_CCM_CCGR1, 22);
406 clk[IMX5_CLK_MIPI_HSC1_GATE] = imx_clk_gate2("mipi_hsc1_gate", "ipg", MXC_CCM_CCGR4, 6);
407 clk[IMX5_CLK_MIPI_HSC2_GATE] = imx_clk_gate2("mipi_hsc2_gate", "ipg", MXC_CCM_CCGR4, 8);
408 clk[IMX5_CLK_MIPI_ESC_GATE] = imx_clk_gate2("mipi_esc_gate", "ipg", MXC_CCM_CCGR4, 10);
409 clk[IMX5_CLK_MIPI_HSP_GATE] = imx_clk_gate2("mipi_hsp_gate", "ipg", MXC_CCM_CCGR4, 12);
410 clk[IMX5_CLK_SPDIF_XTAL_SEL] = imx_clk_mux("spdif_xtal_sel", MXC_CCM_CSCMR1, 2, 2,
411 mx51_spdif_xtal_sel, ARRAY_SIZE(mx51_spdif_xtal_sel));
412 clk[IMX5_CLK_SPDIF1_SEL] = imx_clk_mux("spdif1_sel", MXC_CCM_CSCMR2, 2, 2,
413 spdif_sel, ARRAY_SIZE(spdif_sel));
414 clk[IMX5_CLK_SPDIF1_PRED] = imx_clk_divider("spdif1_pred", "spdif1_sel", MXC_CCM_CDCDR, 16, 3);
415 clk[IMX5_CLK_SPDIF1_PODF] = imx_clk_divider("spdif1_podf", "spdif1_pred", MXC_CCM_CDCDR, 9, 6);
416 clk[IMX5_CLK_SPDIF1_COM_SEL] = imx_clk_mux("spdif1_com_sel", MXC_CCM_CSCMR2, 5, 1,
417 mx51_spdif1_com_sel, ARRAY_SIZE(mx51_spdif1_com_sel));
418 clk[IMX5_CLK_SPDIF1_GATE] = imx_clk_gate2("spdif1_gate", "spdif1_com_sel", MXC_CCM_CCGR5, 28);
419
420 for (i = 0; i < ARRAY_SIZE(clk); i++)
421 if (IS_ERR(clk[i]))
422 pr_err("i.MX51 clk %d: register failed with %ld\n",
423 i, PTR_ERR(clk[i]));
424
425 np = of_find_compatible_node(NULL, NULL, "fsl,imx51-ccm");
426 clk_data.clks = clk;
427 clk_data.clk_num = ARRAY_SIZE(clk);
428 of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
429
430 mx5_clocks_common_init(rate_ckil, rate_osc, rate_ckih1, rate_ckih2);
431
432 clk_register_clkdev(clk[IMX5_CLK_HSI2C_GATE], NULL, "imx21-i2c.2");
433 clk_register_clkdev(clk[IMX5_CLK_MX51_MIPI], "mipi_hsp", NULL);
434 clk_register_clkdev(clk[IMX5_CLK_FEC_GATE], NULL, "imx27-fec.0");
435 clk_register_clkdev(clk[IMX5_CLK_USB_PHY_GATE], "phy", "mxc-ehci.0");
436 clk_register_clkdev(clk[IMX5_CLK_ESDHC1_IPG_GATE], "ipg", "sdhci-esdhc-imx51.0");
437 clk_register_clkdev(clk[IMX5_CLK_DUMMY], "ahb", "sdhci-esdhc-imx51.0");
438 clk_register_clkdev(clk[IMX5_CLK_ESDHC1_PER_GATE], "per", "sdhci-esdhc-imx51.0");
439 clk_register_clkdev(clk[IMX5_CLK_ESDHC2_IPG_GATE], "ipg", "sdhci-esdhc-imx51.1");
440 clk_register_clkdev(clk[IMX5_CLK_DUMMY], "ahb", "sdhci-esdhc-imx51.1");
441 clk_register_clkdev(clk[IMX5_CLK_ESDHC2_PER_GATE], "per", "sdhci-esdhc-imx51.1");
442 clk_register_clkdev(clk[IMX5_CLK_ESDHC3_IPG_GATE], "ipg", "sdhci-esdhc-imx51.2");
443 clk_register_clkdev(clk[IMX5_CLK_DUMMY], "ahb", "sdhci-esdhc-imx51.2");
444 clk_register_clkdev(clk[IMX5_CLK_ESDHC3_PER_GATE], "per", "sdhci-esdhc-imx51.2");
445 clk_register_clkdev(clk[IMX5_CLK_ESDHC4_IPG_GATE], "ipg", "sdhci-esdhc-imx51.3");
446 clk_register_clkdev(clk[IMX5_CLK_DUMMY], "ahb", "sdhci-esdhc-imx51.3");
447 clk_register_clkdev(clk[IMX5_CLK_ESDHC4_PER_GATE], "per", "sdhci-esdhc-imx51.3");
448
449 /* set the usboh3 parent to pll2_sw */
450 clk_set_parent(clk[IMX5_CLK_USBOH3_SEL], clk[IMX5_CLK_PLL2_SW]);
451
452 /* set SDHC root clock to 166.25MHZ*/
453 clk_set_rate(clk[IMX5_CLK_ESDHC_A_PODF], 166250000);
454 clk_set_rate(clk[IMX5_CLK_ESDHC_B_PODF], 166250000);
455
456 /* System timer */
457 mxc_timer_init(MX51_IO_ADDRESS(MX51_GPT1_BASE_ADDR), MX51_INT_GPT);
458
459 clk_prepare_enable(clk[IMX5_CLK_IIM_GATE]);
460 imx_print_silicon_rev("i.MX51", mx51_revision());
461 clk_disable_unprepare(clk[IMX5_CLK_IIM_GATE]);
462
463 /*
464 * Reference Manual says: Functionality of CCDR[18] and CLPCR[23] is no
465 * longer supported. Set to one for better power saving.
466 *
467 * The effect of not setting these bits is that MIPI clocks can't be
468 * enabled without the IPU clock being enabled aswell.
469 */
470 val = readl(MXC_CCM_CCDR);
471 val |= 1 << 18;
472 writel(val, MXC_CCM_CCDR);
473
474 val = readl(MXC_CCM_CLPCR);
475 val |= 1 << 23;
476 writel(val, MXC_CCM_CLPCR);
477
478 return 0;
479 }
480
481 static void __init mx51_clocks_init_dt(struct device_node *np)
482 {
483 mx51_clocks_init(0, 0, 0, 0);
484 }
485 CLK_OF_DECLARE(imx51_ccm, "fsl,imx51-ccm", mx51_clocks_init_dt);
486
487 static void __init mx53_clocks_init(struct device_node *np)
488 {
489 int i;
490 unsigned long r;
491
492 clk[IMX5_CLK_PLL1_SW] = imx_clk_pllv2("pll1_sw", "osc", MX53_DPLL1_BASE);
493 clk[IMX5_CLK_PLL2_SW] = imx_clk_pllv2("pll2_sw", "osc", MX53_DPLL2_BASE);
494 clk[IMX5_CLK_PLL3_SW] = imx_clk_pllv2("pll3_sw", "osc", MX53_DPLL3_BASE);
495 clk[IMX5_CLK_PLL4_SW] = imx_clk_pllv2("pll4_sw", "osc", MX53_DPLL4_BASE);
496
497 clk[IMX5_CLK_LP_APM] = imx_clk_mux("lp_apm", MXC_CCM_CCSR, 10, 1,
498 lp_apm_sel, ARRAY_SIZE(lp_apm_sel));
499 clk[IMX5_CLK_LDB_DI1_DIV_3_5] = imx_clk_fixed_factor("ldb_di1_div_3_5", "ldb_di1_sel", 2, 7);
500 clk[IMX5_CLK_LDB_DI1_DIV] = imx_clk_divider_flags("ldb_di1_div", "ldb_di1_div_3_5", MXC_CCM_CSCMR2, 11, 1, 0);
501 clk[IMX5_CLK_LDB_DI1_SEL] = imx_clk_mux_flags("ldb_di1_sel", MXC_CCM_CSCMR2, 9, 1,
502 mx53_ldb_di1_sel, ARRAY_SIZE(mx53_ldb_di1_sel), CLK_SET_RATE_PARENT);
503 clk[IMX5_CLK_DI_PLL4_PODF] = imx_clk_divider("di_pll4_podf", "pll4_sw", MXC_CCM_CDCDR, 16, 3);
504 clk[IMX5_CLK_LDB_DI0_DIV_3_5] = imx_clk_fixed_factor("ldb_di0_div_3_5", "ldb_di0_sel", 2, 7);
505 clk[IMX5_CLK_LDB_DI0_DIV] = imx_clk_divider_flags("ldb_di0_div", "ldb_di0_div_3_5", MXC_CCM_CSCMR2, 10, 1, 0);
506 clk[IMX5_CLK_LDB_DI0_SEL] = imx_clk_mux_flags("ldb_di0_sel", MXC_CCM_CSCMR2, 8, 1,
507 mx53_ldb_di0_sel, ARRAY_SIZE(mx53_ldb_di0_sel), CLK_SET_RATE_PARENT);
508 clk[IMX5_CLK_LDB_DI0_GATE] = imx_clk_gate2("ldb_di0_gate", "ldb_di0_div", MXC_CCM_CCGR6, 28);
509 clk[IMX5_CLK_LDB_DI1_GATE] = imx_clk_gate2("ldb_di1_gate", "ldb_di1_div", MXC_CCM_CCGR6, 30);
510 clk[IMX5_CLK_IPU_DI0_SEL] = imx_clk_mux("ipu_di0_sel", MXC_CCM_CSCMR2, 26, 3,
511 mx53_ipu_di0_sel, ARRAY_SIZE(mx53_ipu_di0_sel));
512 clk[IMX5_CLK_IPU_DI1_SEL] = imx_clk_mux("ipu_di1_sel", MXC_CCM_CSCMR2, 29, 3,
513 mx53_ipu_di1_sel, ARRAY_SIZE(mx53_ipu_di1_sel));
514 clk[IMX5_CLK_TVE_EXT_SEL] = imx_clk_mux_flags("tve_ext_sel", MXC_CCM_CSCMR1, 6, 1,
515 mx53_tve_ext_sel, ARRAY_SIZE(mx53_tve_ext_sel), CLK_SET_RATE_PARENT);
516 clk[IMX5_CLK_TVE_GATE] = imx_clk_gate2("tve_gate", "tve_pred", MXC_CCM_CCGR2, 30);
517 clk[IMX5_CLK_TVE_PRED] = imx_clk_divider("tve_pred", "tve_ext_sel", MXC_CCM_CDCDR, 28, 3);
518 clk[IMX5_CLK_ESDHC1_PER_GATE] = imx_clk_gate2("esdhc1_per_gate", "esdhc_a_podf", MXC_CCM_CCGR3, 2);
519 clk[IMX5_CLK_ESDHC2_PER_GATE] = imx_clk_gate2("esdhc2_per_gate", "esdhc_c_sel", MXC_CCM_CCGR3, 6);
520 clk[IMX5_CLK_ESDHC3_PER_GATE] = imx_clk_gate2("esdhc3_per_gate", "esdhc_b_podf", MXC_CCM_CCGR3, 10);
521 clk[IMX5_CLK_ESDHC4_PER_GATE] = imx_clk_gate2("esdhc4_per_gate", "esdhc_d_sel", MXC_CCM_CCGR3, 14);
522 clk[IMX5_CLK_USB_PHY1_GATE] = imx_clk_gate2("usb_phy1_gate", "usb_phy_sel", MXC_CCM_CCGR4, 10);
523 clk[IMX5_CLK_USB_PHY2_GATE] = imx_clk_gate2("usb_phy2_gate", "usb_phy_sel", MXC_CCM_CCGR4, 12);
524 clk[IMX5_CLK_CAN_SEL] = imx_clk_mux("can_sel", MXC_CCM_CSCMR2, 6, 2,
525 mx53_can_sel, ARRAY_SIZE(mx53_can_sel));
526 clk[IMX5_CLK_CAN1_SERIAL_GATE] = imx_clk_gate2("can1_serial_gate", "can_sel", MXC_CCM_CCGR6, 22);
527 clk[IMX5_CLK_CAN1_IPG_GATE] = imx_clk_gate2("can1_ipg_gate", "ipg", MXC_CCM_CCGR6, 20);
528 clk[IMX5_CLK_OCRAM] = imx_clk_gate2("ocram", "ahb", MXC_CCM_CCGR6, 2);
529 clk[IMX5_CLK_CAN2_SERIAL_GATE] = imx_clk_gate2("can2_serial_gate", "can_sel", MXC_CCM_CCGR4, 8);
530 clk[IMX5_CLK_CAN2_IPG_GATE] = imx_clk_gate2("can2_ipg_gate", "ipg", MXC_CCM_CCGR4, 6);
531 clk[IMX5_CLK_I2C3_GATE] = imx_clk_gate2("i2c3_gate", "per_root", MXC_CCM_CCGR1, 22);
532 clk[IMX5_CLK_SATA_GATE] = imx_clk_gate2("sata_gate", "ipg", MXC_CCM_CCGR4, 2);
533
534 clk[IMX5_CLK_CKO1_SEL] = imx_clk_mux("cko1_sel", MXC_CCM_CCOSR, 0, 4,
535 mx53_cko1_sel, ARRAY_SIZE(mx53_cko1_sel));
536 clk[IMX5_CLK_CKO1_PODF] = imx_clk_divider("cko1_podf", "cko1_sel", MXC_CCM_CCOSR, 4, 3);
537 clk[IMX5_CLK_CKO1] = imx_clk_gate2("cko1", "cko1_podf", MXC_CCM_CCOSR, 7);
538
539 clk[IMX5_CLK_CKO2_SEL] = imx_clk_mux("cko2_sel", MXC_CCM_CCOSR, 16, 5,
540 mx53_cko2_sel, ARRAY_SIZE(mx53_cko2_sel));
541 clk[IMX5_CLK_CKO2_PODF] = imx_clk_divider("cko2_podf", "cko2_sel", MXC_CCM_CCOSR, 21, 3);
542 clk[IMX5_CLK_CKO2] = imx_clk_gate2("cko2", "cko2_podf", MXC_CCM_CCOSR, 24);
543 clk[IMX5_CLK_SPDIF_XTAL_SEL] = imx_clk_mux("spdif_xtal_sel", MXC_CCM_CSCMR1, 2, 2,
544 mx53_spdif_xtal_sel, ARRAY_SIZE(mx53_spdif_xtal_sel));
545
546 for (i = 0; i < ARRAY_SIZE(clk); i++)
547 if (IS_ERR(clk[i]))
548 pr_err("i.MX53 clk %d: register failed with %ld\n",
549 i, PTR_ERR(clk[i]));
550
551 clk_data.clks = clk;
552 clk_data.clk_num = ARRAY_SIZE(clk);
553 of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
554
555 mx5_clocks_common_init(0, 0, 0, 0);
556
557 clk_register_clkdev(clk[IMX5_CLK_I2C3_GATE], NULL, "imx21-i2c.2");
558 clk_register_clkdev(clk[IMX5_CLK_FEC_GATE], NULL, "imx25-fec.0");
559 clk_register_clkdev(clk[IMX5_CLK_USB_PHY1_GATE], "usb_phy1", "mxc-ehci.0");
560 clk_register_clkdev(clk[IMX5_CLK_ESDHC1_IPG_GATE], "ipg", "sdhci-esdhc-imx53.0");
561 clk_register_clkdev(clk[IMX5_CLK_DUMMY], "ahb", "sdhci-esdhc-imx53.0");
562 clk_register_clkdev(clk[IMX5_CLK_ESDHC1_PER_GATE], "per", "sdhci-esdhc-imx53.0");
563 clk_register_clkdev(clk[IMX5_CLK_ESDHC2_IPG_GATE], "ipg", "sdhci-esdhc-imx53.1");
564 clk_register_clkdev(clk[IMX5_CLK_DUMMY], "ahb", "sdhci-esdhc-imx53.1");
565 clk_register_clkdev(clk[IMX5_CLK_ESDHC2_PER_GATE], "per", "sdhci-esdhc-imx53.1");
566 clk_register_clkdev(clk[IMX5_CLK_ESDHC3_IPG_GATE], "ipg", "sdhci-esdhc-imx53.2");
567 clk_register_clkdev(clk[IMX5_CLK_DUMMY], "ahb", "sdhci-esdhc-imx53.2");
568 clk_register_clkdev(clk[IMX5_CLK_ESDHC3_PER_GATE], "per", "sdhci-esdhc-imx53.2");
569 clk_register_clkdev(clk[IMX5_CLK_ESDHC4_IPG_GATE], "ipg", "sdhci-esdhc-imx53.3");
570 clk_register_clkdev(clk[IMX5_CLK_DUMMY], "ahb", "sdhci-esdhc-imx53.3");
571 clk_register_clkdev(clk[IMX5_CLK_ESDHC4_PER_GATE], "per", "sdhci-esdhc-imx53.3");
572
573 /* set SDHC root clock to 200MHZ*/
574 clk_set_rate(clk[IMX5_CLK_ESDHC_A_PODF], 200000000);
575 clk_set_rate(clk[IMX5_CLK_ESDHC_B_PODF], 200000000);
576
577 /* move can bus clk to 24MHz */
578 clk_set_parent(clk[IMX5_CLK_CAN_SEL], clk[IMX5_CLK_LP_APM]);
579
580 clk_prepare_enable(clk[IMX5_CLK_IIM_GATE]);
581 imx_print_silicon_rev("i.MX53", mx53_revision());
582 clk_disable_unprepare(clk[IMX5_CLK_IIM_GATE]);
583
584 r = clk_round_rate(clk[IMX5_CLK_USBOH3_PER_GATE], 54000000);
585 clk_set_rate(clk[IMX5_CLK_USBOH3_PER_GATE], r);
586
587 mxc_timer_init_dt(of_find_compatible_node(NULL, NULL, "fsl,imx53-gpt"));
588 }
589 CLK_OF_DECLARE(imx53_ccm, "fsl,imx53-ccm", mx53_clocks_init);
Linux with added FPC-III support