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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 <soc/imx/revision.h>
20 #include <dt-bindings/clock/imx5-clock.h>
21 
22 #include "clk.h"
23 
24 #define MX51_DPLL1_BASE		0x83f80000
25 #define MX51_DPLL2_BASE		0x83f84000
26 #define MX51_DPLL3_BASE		0x83f88000
27 
28 #define MX53_DPLL1_BASE		0x63f80000
29 #define MX53_DPLL2_BASE		0x63f84000
30 #define MX53_DPLL3_BASE		0x63f88000
31 #define MX53_DPLL4_BASE		0x63f8c000
32 
33 #define MXC_CCM_CCR		(ccm_base + 0x00)
34 #define MXC_CCM_CCDR		(ccm_base + 0x04)
35 #define MXC_CCM_CSR		(ccm_base + 0x08)
36 #define MXC_CCM_CCSR		(ccm_base + 0x0c)
37 #define MXC_CCM_CACRR		(ccm_base + 0x10)
38 #define MXC_CCM_CBCDR		(ccm_base + 0x14)
39 #define MXC_CCM_CBCMR		(ccm_base + 0x18)
40 #define MXC_CCM_CSCMR1		(ccm_base + 0x1c)
41 #define MXC_CCM_CSCMR2		(ccm_base + 0x20)
42 #define MXC_CCM_CSCDR1		(ccm_base + 0x24)
43 #define MXC_CCM_CS1CDR		(ccm_base + 0x28)
44 #define MXC_CCM_CS2CDR		(ccm_base + 0x2c)
45 #define MXC_CCM_CDCDR		(ccm_base + 0x30)
46 #define MXC_CCM_CHSCDR		(ccm_base + 0x34)
47 #define MXC_CCM_CSCDR2		(ccm_base + 0x38)
48 #define MXC_CCM_CSCDR3		(ccm_base + 0x3c)
49 #define MXC_CCM_CSCDR4		(ccm_base + 0x40)
50 #define MXC_CCM_CWDR		(ccm_base + 0x44)
51 #define MXC_CCM_CDHIPR		(ccm_base + 0x48)
52 #define MXC_CCM_CDCR		(ccm_base + 0x4c)
53 #define MXC_CCM_CTOR		(ccm_base + 0x50)
54 #define MXC_CCM_CLPCR		(ccm_base + 0x54)
55 #define MXC_CCM_CISR		(ccm_base + 0x58)
56 #define MXC_CCM_CIMR		(ccm_base + 0x5c)
57 #define MXC_CCM_CCOSR		(ccm_base + 0x60)
58 #define MXC_CCM_CGPR		(ccm_base + 0x64)
59 #define MXC_CCM_CCGR0		(ccm_base + 0x68)
60 #define MXC_CCM_CCGR1		(ccm_base + 0x6c)
61 #define MXC_CCM_CCGR2		(ccm_base + 0x70)
62 #define MXC_CCM_CCGR3		(ccm_base + 0x74)
63 #define MXC_CCM_CCGR4		(ccm_base + 0x78)
64 #define MXC_CCM_CCGR5		(ccm_base + 0x7c)
65 #define MXC_CCM_CCGR6		(ccm_base + 0x80)
66 #define MXC_CCM_CCGR7		(ccm_base + 0x84)
67 
68 /* Low-power Audio Playback Mode clock */
69 static const char *lp_apm_sel[] = { "osc", };
70 
71 /* This is used multiple times */
72 static const char *standard_pll_sel[] = { "pll1_sw", "pll2_sw", "pll3_sw", "lp_apm", };
73 static const char *periph_apm_sel[] = { "pll1_sw", "pll3_sw", "lp_apm", };
74 static const char *main_bus_sel[] = { "pll2_sw", "periph_apm", };
75 static const char *per_lp_apm_sel[] = { "main_bus", "lp_apm", };
76 static const char *per_root_sel[] = { "per_podf", "ipg", };
77 static const char *esdhc_c_sel[] = { "esdhc_a_podf", "esdhc_b_podf", };
78 static const char *esdhc_d_sel[] = { "esdhc_a_podf", "esdhc_b_podf", };
79 static const char *ssi_apm_sels[] = { "ckih1", "lp_amp", "ckih2", };
80 static const char *ssi_clk_sels[] = { "pll1_sw", "pll2_sw", "pll3_sw", "ssi_apm", };
81 static const char *ssi3_clk_sels[] = { "ssi1_root_gate", "ssi2_root_gate", };
82 static const char *ssi_ext1_com_sels[] = { "ssi_ext1_podf", "ssi1_root_gate", };
83 static const char *ssi_ext2_com_sels[] = { "ssi_ext2_podf", "ssi2_root_gate", };
84 static const char *emi_slow_sel[] = { "main_bus", "ahb", };
85 static const char *usb_phy_sel_str[] = { "osc", "usb_phy_podf", };
86 static const char *mx51_ipu_di0_sel[] = { "di_pred", "osc", "ckih1", "tve_di", };
87 static const char *mx53_ipu_di0_sel[] = { "di_pred", "osc", "ckih1", "di_pll4_podf", "dummy", "ldb_di0_gate", };
88 static const char *mx53_ldb_di0_sel[] = { "pll3_sw", "pll4_sw", };
89 static const char *mx51_ipu_di1_sel[] = { "di_pred", "osc", "ckih1", "tve_di", "ipp_di1", };
90 static const char *mx53_ipu_di1_sel[] = { "di_pred", "osc", "ckih1", "tve_di", "ipp_di1", "ldb_di1_gate", };
91 static const char *mx53_ldb_di1_sel[] = { "pll3_sw", "pll4_sw", };
92 static const char *mx51_tve_ext_sel[] = { "osc", "ckih1", };
93 static const char *mx53_tve_ext_sel[] = { "pll4_sw", "ckih1", };
94 static const char *mx51_tve_sel[] = { "tve_pred", "tve_ext_sel", };
95 static const char *ipu_sel[] = { "axi_a", "axi_b", "emi_slow_gate", "ahb", };
96 static const char *gpu3d_sel[] = { "axi_a", "axi_b", "emi_slow_gate", "ahb" };
97 static const char *gpu2d_sel[] = { "axi_a", "axi_b", "emi_slow_gate", "ahb" };
98 static const char *vpu_sel[] = { "axi_a", "axi_b", "emi_slow_gate", "ahb", };
99 static const char *mx53_can_sel[] = { "ipg", "ckih1", "ckih2", "lp_apm", };
100 static const char *mx53_cko1_sel[] = {
101 	"cpu_podf", "pll1_sw", "pll2_sw", "pll3_sw",
102 	"emi_slow_podf", "pll4_sw", "nfc_podf", "dummy",
103 	"di_pred", "dummy", "dummy", "ahb",
104 	"ipg", "per_root", "ckil", "dummy",};
105 static const char *mx53_cko2_sel[] = {
106 	"dummy"/* dptc_core */, "dummy"/* dptc_perich */,
107 	"dummy", "esdhc_a_podf",
108 	"usboh3_podf", "dummy"/* wrck_clk_root */,
109 	"ecspi_podf", "dummy"/* pll1_ref_clk */,
110 	"esdhc_b_podf", "dummy"/* ddr_clk_root */,
111 	"dummy"/* arm_axi_clk_root */, "dummy"/* usb_phy_out */,
112 	"vpu_sel", "ipu_sel",
113 	"osc", "ckih1",
114 	"dummy", "esdhc_c_sel",
115 	"ssi1_root_podf", "ssi2_root_podf",
116 	"dummy", "dummy",
117 	"dummy"/* lpsr_clk_root */, "dummy"/* pgc_clk_root */,
118 	"dummy"/* tve_out */, "usb_phy_sel",
119 	"tve_sel", "lp_apm",
120 	"uart_root", "dummy"/* spdif0_clk_root */,
121 	"dummy", "dummy", };
122 static const char *mx51_spdif_xtal_sel[] = { "osc", "ckih", "ckih2", };
123 static const char *mx53_spdif_xtal_sel[] = { "osc", "ckih", "ckih2", "pll4_sw", };
124 static const char *spdif_sel[] = { "pll1_sw", "pll2_sw", "pll3_sw", "spdif_xtal_sel", };
125 static const char *spdif0_com_sel[] = { "spdif0_podf", "ssi1_root_gate", };
126 static const char *mx51_spdif1_com_sel[] = { "spdif1_podf", "ssi2_root_gate", };
127 static const char *step_sels[] = { "lp_apm", };
128 static const char *cpu_podf_sels[] = { "pll1_sw", "step_sel" };
129 
130 static struct clk *clk[IMX5_CLK_END];
131 static struct clk_onecell_data clk_data;
132 
133 static struct clk ** const uart_clks[] __initconst = {
134 	&clk[IMX5_CLK_UART1_IPG_GATE],
135 	&clk[IMX5_CLK_UART1_PER_GATE],
136 	&clk[IMX5_CLK_UART2_IPG_GATE],
137 	&clk[IMX5_CLK_UART2_PER_GATE],
138 	&clk[IMX5_CLK_UART3_IPG_GATE],
139 	&clk[IMX5_CLK_UART3_PER_GATE],
140 	&clk[IMX5_CLK_UART4_IPG_GATE],
141 	&clk[IMX5_CLK_UART4_PER_GATE],
142 	&clk[IMX5_CLK_UART5_IPG_GATE],
143 	&clk[IMX5_CLK_UART5_PER_GATE],
144 	NULL
145 };
146 
mx5_clocks_common_init(void __iomem * ccm_base)147 static void __init mx5_clocks_common_init(void __iomem *ccm_base)
148 {
149 	clk[IMX5_CLK_DUMMY]		= imx_clk_fixed("dummy", 0);
150 	clk[IMX5_CLK_CKIL]		= imx_obtain_fixed_clock("ckil", 0);
151 	clk[IMX5_CLK_OSC]		= imx_obtain_fixed_clock("osc", 0);
152 	clk[IMX5_CLK_CKIH1]		= imx_obtain_fixed_clock("ckih1", 0);
153 	clk[IMX5_CLK_CKIH2]		= imx_obtain_fixed_clock("ckih2", 0);
154 
155 	clk[IMX5_CLK_PERIPH_APM]	= imx_clk_mux("periph_apm", MXC_CCM_CBCMR, 12, 2,
156 						periph_apm_sel, ARRAY_SIZE(periph_apm_sel));
157 	clk[IMX5_CLK_MAIN_BUS]		= imx_clk_mux("main_bus", MXC_CCM_CBCDR, 25, 1,
158 						main_bus_sel, ARRAY_SIZE(main_bus_sel));
159 	clk[IMX5_CLK_PER_LP_APM]	= imx_clk_mux("per_lp_apm", MXC_CCM_CBCMR, 1, 1,
160 						per_lp_apm_sel, ARRAY_SIZE(per_lp_apm_sel));
161 	clk[IMX5_CLK_PER_PRED1]		= imx_clk_divider("per_pred1", "per_lp_apm", MXC_CCM_CBCDR, 6, 2);
162 	clk[IMX5_CLK_PER_PRED2]		= imx_clk_divider("per_pred2", "per_pred1", MXC_CCM_CBCDR, 3, 3);
163 	clk[IMX5_CLK_PER_PODF]		= imx_clk_divider("per_podf", "per_pred2", MXC_CCM_CBCDR, 0, 3);
164 	clk[IMX5_CLK_PER_ROOT]		= imx_clk_mux("per_root", MXC_CCM_CBCMR, 0, 1,
165 						per_root_sel, ARRAY_SIZE(per_root_sel));
166 	clk[IMX5_CLK_AHB]		= imx_clk_divider("ahb", "main_bus", MXC_CCM_CBCDR, 10, 3);
167 	clk[IMX5_CLK_AHB_MAX]		= imx_clk_gate2("ahb_max", "ahb", MXC_CCM_CCGR0, 28);
168 	clk[IMX5_CLK_AIPS_TZ1]		= imx_clk_gate2("aips_tz1", "ahb", MXC_CCM_CCGR0, 24);
169 	clk[IMX5_CLK_AIPS_TZ2]		= imx_clk_gate2("aips_tz2", "ahb", MXC_CCM_CCGR0, 26);
170 	clk[IMX5_CLK_TMAX1]		= imx_clk_gate2("tmax1", "ahb", MXC_CCM_CCGR1, 0);
171 	clk[IMX5_CLK_TMAX2]		= imx_clk_gate2("tmax2", "ahb", MXC_CCM_CCGR1, 2);
172 	clk[IMX5_CLK_TMAX3]		= imx_clk_gate2("tmax3", "ahb", MXC_CCM_CCGR1, 4);
173 	clk[IMX5_CLK_SPBA]		= imx_clk_gate2("spba", "ipg", MXC_CCM_CCGR5, 0);
174 	clk[IMX5_CLK_IPG]		= imx_clk_divider("ipg", "ahb", MXC_CCM_CBCDR, 8, 2);
175 	clk[IMX5_CLK_AXI_A]		= imx_clk_divider("axi_a", "main_bus", MXC_CCM_CBCDR, 16, 3);
176 	clk[IMX5_CLK_AXI_B]		= imx_clk_divider("axi_b", "main_bus", MXC_CCM_CBCDR, 19, 3);
177 	clk[IMX5_CLK_UART_SEL]		= imx_clk_mux("uart_sel", MXC_CCM_CSCMR1, 24, 2,
178 						standard_pll_sel, ARRAY_SIZE(standard_pll_sel));
179 	clk[IMX5_CLK_UART_PRED]		= imx_clk_divider("uart_pred", "uart_sel", MXC_CCM_CSCDR1, 3, 3);
180 	clk[IMX5_CLK_UART_ROOT]		= imx_clk_divider("uart_root", "uart_pred", MXC_CCM_CSCDR1, 0, 3);
181 
182 	clk[IMX5_CLK_ESDHC_A_SEL]	= imx_clk_mux("esdhc_a_sel", MXC_CCM_CSCMR1, 20, 2,
183 						standard_pll_sel, ARRAY_SIZE(standard_pll_sel));
184 	clk[IMX5_CLK_ESDHC_B_SEL]	= imx_clk_mux("esdhc_b_sel", MXC_CCM_CSCMR1, 16, 2,
185 						standard_pll_sel, ARRAY_SIZE(standard_pll_sel));
186 	clk[IMX5_CLK_ESDHC_A_PRED]	= imx_clk_divider("esdhc_a_pred", "esdhc_a_sel", MXC_CCM_CSCDR1, 16, 3);
187 	clk[IMX5_CLK_ESDHC_A_PODF]	= imx_clk_divider("esdhc_a_podf", "esdhc_a_pred", MXC_CCM_CSCDR1, 11, 3);
188 	clk[IMX5_CLK_ESDHC_B_PRED]	= imx_clk_divider("esdhc_b_pred", "esdhc_b_sel", MXC_CCM_CSCDR1, 22, 3);
189 	clk[IMX5_CLK_ESDHC_B_PODF]	= imx_clk_divider("esdhc_b_podf", "esdhc_b_pred", MXC_CCM_CSCDR1, 19, 3);
190 	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));
191 	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));
192 
193 	clk[IMX5_CLK_EMI_SEL]		= imx_clk_mux("emi_sel", MXC_CCM_CBCDR, 26, 1,
194 						emi_slow_sel, ARRAY_SIZE(emi_slow_sel));
195 	clk[IMX5_CLK_EMI_SLOW_PODF]	= imx_clk_divider("emi_slow_podf", "emi_sel", MXC_CCM_CBCDR, 22, 3);
196 	clk[IMX5_CLK_NFC_PODF]		= imx_clk_divider("nfc_podf", "emi_slow_podf", MXC_CCM_CBCDR, 13, 3);
197 	clk[IMX5_CLK_ECSPI_SEL]		= imx_clk_mux("ecspi_sel", MXC_CCM_CSCMR1, 4, 2,
198 						standard_pll_sel, ARRAY_SIZE(standard_pll_sel));
199 	clk[IMX5_CLK_ECSPI_PRED]	= imx_clk_divider("ecspi_pred", "ecspi_sel", MXC_CCM_CSCDR2, 25, 3);
200 	clk[IMX5_CLK_ECSPI_PODF]	= imx_clk_divider("ecspi_podf", "ecspi_pred", MXC_CCM_CSCDR2, 19, 6);
201 	clk[IMX5_CLK_USBOH3_SEL]	= imx_clk_mux("usboh3_sel", MXC_CCM_CSCMR1, 22, 2,
202 						standard_pll_sel, ARRAY_SIZE(standard_pll_sel));
203 	clk[IMX5_CLK_USBOH3_PRED]	= imx_clk_divider("usboh3_pred", "usboh3_sel", MXC_CCM_CSCDR1, 8, 3);
204 	clk[IMX5_CLK_USBOH3_PODF]	= imx_clk_divider("usboh3_podf", "usboh3_pred", MXC_CCM_CSCDR1, 6, 2);
205 	clk[IMX5_CLK_USB_PHY_PRED]	= imx_clk_divider("usb_phy_pred", "pll3_sw", MXC_CCM_CDCDR, 3, 3);
206 	clk[IMX5_CLK_USB_PHY_PODF]	= imx_clk_divider("usb_phy_podf", "usb_phy_pred", MXC_CCM_CDCDR, 0, 3);
207 	clk[IMX5_CLK_USB_PHY_SEL]	= imx_clk_mux("usb_phy_sel", MXC_CCM_CSCMR1, 26, 1,
208 						usb_phy_sel_str, ARRAY_SIZE(usb_phy_sel_str));
209 	clk[IMX5_CLK_STEP_SEL]		= imx_clk_mux("step_sel", MXC_CCM_CCSR, 7, 2, step_sels, ARRAY_SIZE(step_sels));
210 	clk[IMX5_CLK_CPU_PODF_SEL]	= imx_clk_mux("cpu_podf_sel", MXC_CCM_CCSR, 2, 1, cpu_podf_sels, ARRAY_SIZE(cpu_podf_sels));
211 	clk[IMX5_CLK_CPU_PODF]		= imx_clk_divider("cpu_podf", "cpu_podf_sel", MXC_CCM_CACRR, 0, 3);
212 	clk[IMX5_CLK_DI_PRED]		= imx_clk_divider("di_pred", "pll3_sw", MXC_CCM_CDCDR, 6, 3);
213 	clk[IMX5_CLK_IIM_GATE]		= imx_clk_gate2("iim_gate", "ipg", MXC_CCM_CCGR0, 30);
214 	clk[IMX5_CLK_UART1_IPG_GATE]	= imx_clk_gate2("uart1_ipg_gate", "ipg", MXC_CCM_CCGR1, 6);
215 	clk[IMX5_CLK_UART1_PER_GATE]	= imx_clk_gate2("uart1_per_gate", "uart_root", MXC_CCM_CCGR1, 8);
216 	clk[IMX5_CLK_UART2_IPG_GATE]	= imx_clk_gate2("uart2_ipg_gate", "ipg", MXC_CCM_CCGR1, 10);
217 	clk[IMX5_CLK_UART2_PER_GATE]	= imx_clk_gate2("uart2_per_gate", "uart_root", MXC_CCM_CCGR1, 12);
218 	clk[IMX5_CLK_UART3_IPG_GATE]	= imx_clk_gate2("uart3_ipg_gate", "ipg", MXC_CCM_CCGR1, 14);
219 	clk[IMX5_CLK_UART3_PER_GATE]	= imx_clk_gate2("uart3_per_gate", "uart_root", MXC_CCM_CCGR1, 16);
220 	clk[IMX5_CLK_I2C1_GATE]		= imx_clk_gate2("i2c1_gate", "per_root", MXC_CCM_CCGR1, 18);
221 	clk[IMX5_CLK_I2C2_GATE]		= imx_clk_gate2("i2c2_gate", "per_root", MXC_CCM_CCGR1, 20);
222 	clk[IMX5_CLK_PWM1_IPG_GATE]	= imx_clk_gate2("pwm1_ipg_gate", "ipg", MXC_CCM_CCGR2, 10);
223 	clk[IMX5_CLK_PWM1_HF_GATE]	= imx_clk_gate2("pwm1_hf_gate", "per_root", MXC_CCM_CCGR2, 12);
224 	clk[IMX5_CLK_PWM2_IPG_GATE]	= imx_clk_gate2("pwm2_ipg_gate", "ipg", MXC_CCM_CCGR2, 14);
225 	clk[IMX5_CLK_PWM2_HF_GATE]	= imx_clk_gate2("pwm2_hf_gate", "per_root", MXC_CCM_CCGR2, 16);
226 	clk[IMX5_CLK_GPT_IPG_GATE]	= imx_clk_gate2("gpt_ipg_gate", "ipg", MXC_CCM_CCGR2, 18);
227 	clk[IMX5_CLK_GPT_HF_GATE]	= imx_clk_gate2("gpt_hf_gate", "per_root", MXC_CCM_CCGR2, 20);
228 	clk[IMX5_CLK_FEC_GATE]		= imx_clk_gate2("fec_gate", "ipg", MXC_CCM_CCGR2, 24);
229 	clk[IMX5_CLK_USBOH3_GATE]	= imx_clk_gate2("usboh3_gate", "ipg", MXC_CCM_CCGR2, 26);
230 	clk[IMX5_CLK_USBOH3_PER_GATE]	= imx_clk_gate2("usboh3_per_gate", "usboh3_podf", MXC_CCM_CCGR2, 28);
231 	clk[IMX5_CLK_ESDHC1_IPG_GATE]	= imx_clk_gate2("esdhc1_ipg_gate", "ipg", MXC_CCM_CCGR3, 0);
232 	clk[IMX5_CLK_ESDHC2_IPG_GATE]	= imx_clk_gate2("esdhc2_ipg_gate", "ipg", MXC_CCM_CCGR3, 4);
233 	clk[IMX5_CLK_ESDHC3_IPG_GATE]	= imx_clk_gate2("esdhc3_ipg_gate", "ipg", MXC_CCM_CCGR3, 8);
234 	clk[IMX5_CLK_ESDHC4_IPG_GATE]	= imx_clk_gate2("esdhc4_ipg_gate", "ipg", MXC_CCM_CCGR3, 12);
235 	clk[IMX5_CLK_SSI1_IPG_GATE]	= imx_clk_gate2("ssi1_ipg_gate", "ipg", MXC_CCM_CCGR3, 16);
236 	clk[IMX5_CLK_SSI2_IPG_GATE]	= imx_clk_gate2("ssi2_ipg_gate", "ipg", MXC_CCM_CCGR3, 20);
237 	clk[IMX5_CLK_SSI3_IPG_GATE]	= imx_clk_gate2("ssi3_ipg_gate", "ipg", MXC_CCM_CCGR3, 24);
238 	clk[IMX5_CLK_ECSPI1_IPG_GATE]	= imx_clk_gate2("ecspi1_ipg_gate", "ipg", MXC_CCM_CCGR4, 18);
239 	clk[IMX5_CLK_ECSPI1_PER_GATE]	= imx_clk_gate2("ecspi1_per_gate", "ecspi_podf", MXC_CCM_CCGR4, 20);
240 	clk[IMX5_CLK_ECSPI2_IPG_GATE]	= imx_clk_gate2("ecspi2_ipg_gate", "ipg", MXC_CCM_CCGR4, 22);
241 	clk[IMX5_CLK_ECSPI2_PER_GATE]	= imx_clk_gate2("ecspi2_per_gate", "ecspi_podf", MXC_CCM_CCGR4, 24);
242 	clk[IMX5_CLK_CSPI_IPG_GATE]	= imx_clk_gate2("cspi_ipg_gate", "ipg", MXC_CCM_CCGR4, 26);
243 	clk[IMX5_CLK_SDMA_GATE]		= imx_clk_gate2("sdma_gate", "ipg", MXC_CCM_CCGR4, 30);
244 	clk[IMX5_CLK_EMI_FAST_GATE]	= imx_clk_gate2("emi_fast_gate", "dummy", MXC_CCM_CCGR5, 14);
245 	clk[IMX5_CLK_EMI_SLOW_GATE]	= imx_clk_gate2("emi_slow_gate", "emi_slow_podf", MXC_CCM_CCGR5, 16);
246 	clk[IMX5_CLK_IPU_SEL]		= imx_clk_mux("ipu_sel", MXC_CCM_CBCMR, 6, 2, ipu_sel, ARRAY_SIZE(ipu_sel));
247 	clk[IMX5_CLK_IPU_GATE]		= imx_clk_gate2("ipu_gate", "ipu_sel", MXC_CCM_CCGR5, 10);
248 	clk[IMX5_CLK_NFC_GATE]		= imx_clk_gate2("nfc_gate", "nfc_podf", MXC_CCM_CCGR5, 20);
249 	clk[IMX5_CLK_IPU_DI0_GATE]	= imx_clk_gate2("ipu_di0_gate", "ipu_di0_sel", MXC_CCM_CCGR6, 10);
250 	clk[IMX5_CLK_IPU_DI1_GATE]	= imx_clk_gate2("ipu_di1_gate", "ipu_di1_sel", MXC_CCM_CCGR6, 12);
251 	clk[IMX5_CLK_GPU3D_SEL]		= imx_clk_mux("gpu3d_sel", MXC_CCM_CBCMR, 4, 2, gpu3d_sel, ARRAY_SIZE(gpu3d_sel));
252 	clk[IMX5_CLK_GPU2D_SEL]		= imx_clk_mux("gpu2d_sel", MXC_CCM_CBCMR, 16, 2, gpu2d_sel, ARRAY_SIZE(gpu2d_sel));
253 	clk[IMX5_CLK_GPU3D_GATE]	= imx_clk_gate2("gpu3d_gate", "gpu3d_sel", MXC_CCM_CCGR5, 2);
254 	clk[IMX5_CLK_GARB_GATE]		= imx_clk_gate2("garb_gate", "axi_a", MXC_CCM_CCGR5, 4);
255 	clk[IMX5_CLK_GPU2D_GATE]	= imx_clk_gate2("gpu2d_gate", "gpu2d_sel", MXC_CCM_CCGR6, 14);
256 	clk[IMX5_CLK_VPU_SEL]		= imx_clk_mux("vpu_sel", MXC_CCM_CBCMR, 14, 2, vpu_sel, ARRAY_SIZE(vpu_sel));
257 	clk[IMX5_CLK_VPU_GATE]		= imx_clk_gate2("vpu_gate", "vpu_sel", MXC_CCM_CCGR5, 6);
258 	clk[IMX5_CLK_VPU_REFERENCE_GATE] = imx_clk_gate2("vpu_reference_gate", "osc", MXC_CCM_CCGR5, 8);
259 	clk[IMX5_CLK_UART4_IPG_GATE]	= imx_clk_gate2("uart4_ipg_gate", "ipg", MXC_CCM_CCGR7, 8);
260 	clk[IMX5_CLK_UART4_PER_GATE]	= imx_clk_gate2("uart4_per_gate", "uart_root", MXC_CCM_CCGR7, 10);
261 	clk[IMX5_CLK_UART5_IPG_GATE]	= imx_clk_gate2("uart5_ipg_gate", "ipg", MXC_CCM_CCGR7, 12);
262 	clk[IMX5_CLK_UART5_PER_GATE]	= imx_clk_gate2("uart5_per_gate", "uart_root", MXC_CCM_CCGR7, 14);
263 	clk[IMX5_CLK_GPC_DVFS]		= imx_clk_gate2("gpc_dvfs", "dummy", MXC_CCM_CCGR5, 24);
264 
265 	clk[IMX5_CLK_SSI_APM]		= imx_clk_mux("ssi_apm", MXC_CCM_CSCMR1, 8, 2, ssi_apm_sels, ARRAY_SIZE(ssi_apm_sels));
266 	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));
267 	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));
268 	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));
269 	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));
270 	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));
271 	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));
272 	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));
273 	clk[IMX5_CLK_SSI1_ROOT_PRED]	= imx_clk_divider("ssi1_root_pred", "ssi1_root_sel", MXC_CCM_CS1CDR, 6, 3);
274 	clk[IMX5_CLK_SSI1_ROOT_PODF]	= imx_clk_divider("ssi1_root_podf", "ssi1_root_pred", MXC_CCM_CS1CDR, 0, 6);
275 	clk[IMX5_CLK_SSI2_ROOT_PRED]	= imx_clk_divider("ssi2_root_pred", "ssi2_root_sel", MXC_CCM_CS2CDR, 6, 3);
276 	clk[IMX5_CLK_SSI2_ROOT_PODF]	= imx_clk_divider("ssi2_root_podf", "ssi2_root_pred", MXC_CCM_CS2CDR, 0, 6);
277 	clk[IMX5_CLK_SSI_EXT1_PRED]	= imx_clk_divider("ssi_ext1_pred", "ssi_ext1_sel", MXC_CCM_CS1CDR, 22, 3);
278 	clk[IMX5_CLK_SSI_EXT1_PODF]	= imx_clk_divider("ssi_ext1_podf", "ssi_ext1_pred", MXC_CCM_CS1CDR, 16, 6);
279 	clk[IMX5_CLK_SSI_EXT2_PRED]	= imx_clk_divider("ssi_ext2_pred", "ssi_ext2_sel", MXC_CCM_CS2CDR, 22, 3);
280 	clk[IMX5_CLK_SSI_EXT2_PODF]	= imx_clk_divider("ssi_ext2_podf", "ssi_ext2_pred", MXC_CCM_CS2CDR, 16, 6);
281 	clk[IMX5_CLK_SSI1_ROOT_GATE]	= imx_clk_gate2("ssi1_root_gate", "ssi1_root_podf", MXC_CCM_CCGR3, 18);
282 	clk[IMX5_CLK_SSI2_ROOT_GATE]	= imx_clk_gate2("ssi2_root_gate", "ssi2_root_podf", MXC_CCM_CCGR3, 22);
283 	clk[IMX5_CLK_SSI3_ROOT_GATE]	= imx_clk_gate2("ssi3_root_gate", "ssi3_root_sel", MXC_CCM_CCGR3, 26);
284 	clk[IMX5_CLK_SSI_EXT1_GATE]	= imx_clk_gate2("ssi_ext1_gate", "ssi_ext1_com_sel", MXC_CCM_CCGR3, 28);
285 	clk[IMX5_CLK_SSI_EXT2_GATE]	= imx_clk_gate2("ssi_ext2_gate", "ssi_ext2_com_sel", MXC_CCM_CCGR3, 30);
286 	clk[IMX5_CLK_EPIT1_IPG_GATE]	= imx_clk_gate2("epit1_ipg_gate", "ipg", MXC_CCM_CCGR2, 2);
287 	clk[IMX5_CLK_EPIT1_HF_GATE]	= imx_clk_gate2("epit1_hf_gate", "per_root", MXC_CCM_CCGR2, 4);
288 	clk[IMX5_CLK_EPIT2_IPG_GATE]	= imx_clk_gate2("epit2_ipg_gate", "ipg", MXC_CCM_CCGR2, 6);
289 	clk[IMX5_CLK_EPIT2_HF_GATE]	= imx_clk_gate2("epit2_hf_gate", "per_root", MXC_CCM_CCGR2, 8);
290 	clk[IMX5_CLK_OWIRE_GATE]	= imx_clk_gate2("owire_gate", "per_root", MXC_CCM_CCGR2, 22);
291 	clk[IMX5_CLK_SRTC_GATE]		= imx_clk_gate2("srtc_gate", "per_root", MXC_CCM_CCGR4, 28);
292 	clk[IMX5_CLK_PATA_GATE]		= imx_clk_gate2("pata_gate", "ipg", MXC_CCM_CCGR4, 0);
293 	clk[IMX5_CLK_SPDIF0_SEL]	= imx_clk_mux("spdif0_sel", MXC_CCM_CSCMR2, 0, 2, spdif_sel, ARRAY_SIZE(spdif_sel));
294 	clk[IMX5_CLK_SPDIF0_PRED]	= imx_clk_divider("spdif0_pred", "spdif0_sel", MXC_CCM_CDCDR, 25, 3);
295 	clk[IMX5_CLK_SPDIF0_PODF]	= imx_clk_divider("spdif0_podf", "spdif0_pred", MXC_CCM_CDCDR, 19, 6);
296 	clk[IMX5_CLK_SPDIF0_COM_SEL]	= imx_clk_mux_flags("spdif0_com_sel", MXC_CCM_CSCMR2, 4, 1,
297 						spdif0_com_sel, ARRAY_SIZE(spdif0_com_sel), CLK_SET_RATE_PARENT);
298 	clk[IMX5_CLK_SPDIF0_GATE]	= imx_clk_gate2("spdif0_gate", "spdif0_com_sel", MXC_CCM_CCGR5, 26);
299 	clk[IMX5_CLK_SPDIF_IPG_GATE]	= imx_clk_gate2("spdif_ipg_gate", "ipg", MXC_CCM_CCGR5, 30);
300 	clk[IMX5_CLK_SAHARA_IPG_GATE]	= imx_clk_gate2("sahara_ipg_gate", "ipg", MXC_CCM_CCGR4, 14);
301 	clk[IMX5_CLK_SATA_REF]		= imx_clk_fixed_factor("sata_ref", "usb_phy1_gate", 1, 1);
302 
303 	clk_register_clkdev(clk[IMX5_CLK_CPU_PODF], NULL, "cpu0");
304 	clk_register_clkdev(clk[IMX5_CLK_GPC_DVFS], "gpc_dvfs", NULL);
305 
306 	/* Set SDHC parents to be PLL2 */
307 	clk_set_parent(clk[IMX5_CLK_ESDHC_A_SEL], clk[IMX5_CLK_PLL2_SW]);
308 	clk_set_parent(clk[IMX5_CLK_ESDHC_B_SEL], clk[IMX5_CLK_PLL2_SW]);
309 
310 	/* move usb phy clk to 24MHz */
311 	clk_set_parent(clk[IMX5_CLK_USB_PHY_SEL], clk[IMX5_CLK_OSC]);
312 
313 	clk_prepare_enable(clk[IMX5_CLK_GPC_DVFS]);
314 	clk_prepare_enable(clk[IMX5_CLK_AHB_MAX]); /* esdhc3 */
315 	clk_prepare_enable(clk[IMX5_CLK_AIPS_TZ1]);
316 	clk_prepare_enable(clk[IMX5_CLK_AIPS_TZ2]); /* fec */
317 	clk_prepare_enable(clk[IMX5_CLK_SPBA]);
318 	clk_prepare_enable(clk[IMX5_CLK_EMI_FAST_GATE]); /* fec */
319 	clk_prepare_enable(clk[IMX5_CLK_EMI_SLOW_GATE]); /* eim */
320 	clk_prepare_enable(clk[IMX5_CLK_MIPI_HSC1_GATE]);
321 	clk_prepare_enable(clk[IMX5_CLK_MIPI_HSC2_GATE]);
322 	clk_prepare_enable(clk[IMX5_CLK_MIPI_ESC_GATE]);
323 	clk_prepare_enable(clk[IMX5_CLK_MIPI_HSP_GATE]);
324 	clk_prepare_enable(clk[IMX5_CLK_TMAX1]);
325 	clk_prepare_enable(clk[IMX5_CLK_TMAX2]); /* esdhc2, fec */
326 	clk_prepare_enable(clk[IMX5_CLK_TMAX3]); /* esdhc1, esdhc4 */
327 
328 	imx_register_uart_clocks(uart_clks);
329 }
330 
mx50_clocks_init(struct device_node * np)331 static void __init mx50_clocks_init(struct device_node *np)
332 {
333 	void __iomem *ccm_base;
334 	void __iomem *pll_base;
335 	unsigned long r;
336 
337 	pll_base = ioremap(MX53_DPLL1_BASE, SZ_16K);
338 	WARN_ON(!pll_base);
339 	clk[IMX5_CLK_PLL1_SW]		= imx_clk_pllv2("pll1_sw", "osc", pll_base);
340 
341 	pll_base = ioremap(MX53_DPLL2_BASE, SZ_16K);
342 	WARN_ON(!pll_base);
343 	clk[IMX5_CLK_PLL2_SW]		= imx_clk_pllv2("pll2_sw", "osc", pll_base);
344 
345 	pll_base = ioremap(MX53_DPLL3_BASE, SZ_16K);
346 	WARN_ON(!pll_base);
347 	clk[IMX5_CLK_PLL3_SW]		= imx_clk_pllv2("pll3_sw", "osc", pll_base);
348 
349 	ccm_base = of_iomap(np, 0);
350 	WARN_ON(!ccm_base);
351 
352 	mx5_clocks_common_init(ccm_base);
353 
354 	clk[IMX5_CLK_LP_APM]		= imx_clk_mux("lp_apm", MXC_CCM_CCSR, 10, 1,
355 						lp_apm_sel, ARRAY_SIZE(lp_apm_sel));
356 	clk[IMX5_CLK_ESDHC1_PER_GATE]	= imx_clk_gate2("esdhc1_per_gate", "esdhc_a_podf", MXC_CCM_CCGR3, 2);
357 	clk[IMX5_CLK_ESDHC2_PER_GATE]	= imx_clk_gate2("esdhc2_per_gate", "esdhc_c_sel", MXC_CCM_CCGR3, 6);
358 	clk[IMX5_CLK_ESDHC3_PER_GATE]	= imx_clk_gate2("esdhc3_per_gate", "esdhc_b_podf", MXC_CCM_CCGR3, 10);
359 	clk[IMX5_CLK_ESDHC4_PER_GATE]	= imx_clk_gate2("esdhc4_per_gate", "esdhc_d_sel", MXC_CCM_CCGR3, 14);
360 	clk[IMX5_CLK_USB_PHY1_GATE]	= imx_clk_gate2("usb_phy1_gate", "usb_phy_sel", MXC_CCM_CCGR4, 10);
361 	clk[IMX5_CLK_USB_PHY2_GATE]	= imx_clk_gate2("usb_phy2_gate", "usb_phy_sel", MXC_CCM_CCGR4, 12);
362 	clk[IMX5_CLK_I2C3_GATE]		= imx_clk_gate2("i2c3_gate", "per_root", MXC_CCM_CCGR1, 22);
363 
364 	clk[IMX5_CLK_CKO1_SEL]		= imx_clk_mux("cko1_sel", MXC_CCM_CCOSR, 0, 4,
365 						mx53_cko1_sel, ARRAY_SIZE(mx53_cko1_sel));
366 	clk[IMX5_CLK_CKO1_PODF]		= imx_clk_divider("cko1_podf", "cko1_sel", MXC_CCM_CCOSR, 4, 3);
367 	clk[IMX5_CLK_CKO1]		= imx_clk_gate2("cko1", "cko1_podf", MXC_CCM_CCOSR, 7);
368 
369 	clk[IMX5_CLK_CKO2_SEL]		= imx_clk_mux("cko2_sel", MXC_CCM_CCOSR, 16, 5,
370 						mx53_cko2_sel, ARRAY_SIZE(mx53_cko2_sel));
371 	clk[IMX5_CLK_CKO2_PODF]		= imx_clk_divider("cko2_podf", "cko2_sel", MXC_CCM_CCOSR, 21, 3);
372 	clk[IMX5_CLK_CKO2]		= imx_clk_gate2("cko2", "cko2_podf", MXC_CCM_CCOSR, 24);
373 
374 	imx_check_clocks(clk, ARRAY_SIZE(clk));
375 
376 	clk_data.clks = clk;
377 	clk_data.clk_num = ARRAY_SIZE(clk);
378 	of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
379 
380 	/* set SDHC root clock to 200MHZ*/
381 	clk_set_rate(clk[IMX5_CLK_ESDHC_A_PODF], 200000000);
382 	clk_set_rate(clk[IMX5_CLK_ESDHC_B_PODF], 200000000);
383 
384 	clk_prepare_enable(clk[IMX5_CLK_IIM_GATE]);
385 	imx_print_silicon_rev("i.MX50", IMX_CHIP_REVISION_1_1);
386 	clk_disable_unprepare(clk[IMX5_CLK_IIM_GATE]);
387 
388 	r = clk_round_rate(clk[IMX5_CLK_USBOH3_PER_GATE], 54000000);
389 	clk_set_rate(clk[IMX5_CLK_USBOH3_PER_GATE], r);
390 }
391 CLK_OF_DECLARE(imx50_ccm, "fsl,imx50-ccm", mx50_clocks_init);
392 
mx51_clocks_init(struct device_node * np)393 static void __init mx51_clocks_init(struct device_node *np)
394 {
395 	void __iomem *ccm_base;
396 	void __iomem *pll_base;
397 	u32 val;
398 
399 	pll_base = ioremap(MX51_DPLL1_BASE, SZ_16K);
400 	WARN_ON(!pll_base);
401 	clk[IMX5_CLK_PLL1_SW]		= imx_clk_pllv2("pll1_sw", "osc", pll_base);
402 
403 	pll_base = ioremap(MX51_DPLL2_BASE, SZ_16K);
404 	WARN_ON(!pll_base);
405 	clk[IMX5_CLK_PLL2_SW]		= imx_clk_pllv2("pll2_sw", "osc", pll_base);
406 
407 	pll_base = ioremap(MX51_DPLL3_BASE, SZ_16K);
408 	WARN_ON(!pll_base);
409 	clk[IMX5_CLK_PLL3_SW]		= imx_clk_pllv2("pll3_sw", "osc", pll_base);
410 
411 	ccm_base = of_iomap(np, 0);
412 	WARN_ON(!ccm_base);
413 
414 	mx5_clocks_common_init(ccm_base);
415 
416 	clk[IMX5_CLK_LP_APM]		= imx_clk_mux("lp_apm", MXC_CCM_CCSR, 9, 1,
417 						lp_apm_sel, ARRAY_SIZE(lp_apm_sel));
418 	clk[IMX5_CLK_IPU_DI0_SEL]	= imx_clk_mux("ipu_di0_sel", MXC_CCM_CSCMR2, 26, 3,
419 						mx51_ipu_di0_sel, ARRAY_SIZE(mx51_ipu_di0_sel));
420 	clk[IMX5_CLK_IPU_DI1_SEL]	= imx_clk_mux("ipu_di1_sel", MXC_CCM_CSCMR2, 29, 3,
421 						mx51_ipu_di1_sel, ARRAY_SIZE(mx51_ipu_di1_sel));
422 	clk[IMX5_CLK_TVE_EXT_SEL]	= imx_clk_mux_flags("tve_ext_sel", MXC_CCM_CSCMR1, 6, 1,
423 						mx51_tve_ext_sel, ARRAY_SIZE(mx51_tve_ext_sel), CLK_SET_RATE_PARENT);
424 	clk[IMX5_CLK_TVE_SEL]		= imx_clk_mux("tve_sel", MXC_CCM_CSCMR1, 7, 1,
425 						mx51_tve_sel, ARRAY_SIZE(mx51_tve_sel));
426 	clk[IMX5_CLK_TVE_GATE]		= imx_clk_gate2("tve_gate", "tve_sel", MXC_CCM_CCGR2, 30);
427 	clk[IMX5_CLK_TVE_PRED]		= imx_clk_divider("tve_pred", "pll3_sw", MXC_CCM_CDCDR, 28, 3);
428 	clk[IMX5_CLK_ESDHC1_PER_GATE]	= imx_clk_gate2("esdhc1_per_gate", "esdhc_a_podf", MXC_CCM_CCGR3, 2);
429 	clk[IMX5_CLK_ESDHC2_PER_GATE]	= imx_clk_gate2("esdhc2_per_gate", "esdhc_b_podf", MXC_CCM_CCGR3, 6);
430 	clk[IMX5_CLK_ESDHC3_PER_GATE]	= imx_clk_gate2("esdhc3_per_gate", "esdhc_c_sel", MXC_CCM_CCGR3, 10);
431 	clk[IMX5_CLK_ESDHC4_PER_GATE]	= imx_clk_gate2("esdhc4_per_gate", "esdhc_d_sel", MXC_CCM_CCGR3, 14);
432 	clk[IMX5_CLK_USB_PHY_GATE]	= imx_clk_gate2("usb_phy_gate", "usb_phy_sel", MXC_CCM_CCGR2, 0);
433 	clk[IMX5_CLK_HSI2C_GATE]	= imx_clk_gate2("hsi2c_gate", "ipg", MXC_CCM_CCGR1, 22);
434 	clk[IMX5_CLK_MIPI_HSC1_GATE]	= imx_clk_gate2("mipi_hsc1_gate", "ipg", MXC_CCM_CCGR4, 6);
435 	clk[IMX5_CLK_MIPI_HSC2_GATE]	= imx_clk_gate2("mipi_hsc2_gate", "ipg", MXC_CCM_CCGR4, 8);
436 	clk[IMX5_CLK_MIPI_ESC_GATE]	= imx_clk_gate2("mipi_esc_gate", "ipg", MXC_CCM_CCGR4, 10);
437 	clk[IMX5_CLK_MIPI_HSP_GATE]	= imx_clk_gate2("mipi_hsp_gate", "ipg", MXC_CCM_CCGR4, 12);
438 	clk[IMX5_CLK_SPDIF_XTAL_SEL]	= imx_clk_mux("spdif_xtal_sel", MXC_CCM_CSCMR1, 2, 2,
439 						mx51_spdif_xtal_sel, ARRAY_SIZE(mx51_spdif_xtal_sel));
440 	clk[IMX5_CLK_SPDIF1_SEL]	= imx_clk_mux("spdif1_sel", MXC_CCM_CSCMR2, 2, 2,
441 						spdif_sel, ARRAY_SIZE(spdif_sel));
442 	clk[IMX5_CLK_SPDIF1_PRED]	= imx_clk_divider("spdif1_pred", "spdif1_sel", MXC_CCM_CDCDR, 16, 3);
443 	clk[IMX5_CLK_SPDIF1_PODF]	= imx_clk_divider("spdif1_podf", "spdif1_pred", MXC_CCM_CDCDR, 9, 6);
444 	clk[IMX5_CLK_SPDIF1_COM_SEL]	= imx_clk_mux("spdif1_com_sel", MXC_CCM_CSCMR2, 5, 1,
445 						mx51_spdif1_com_sel, ARRAY_SIZE(mx51_spdif1_com_sel));
446 	clk[IMX5_CLK_SPDIF1_GATE]	= imx_clk_gate2("spdif1_gate", "spdif1_com_sel", MXC_CCM_CCGR5, 28);
447 
448 	imx_check_clocks(clk, ARRAY_SIZE(clk));
449 
450 	clk_data.clks = clk;
451 	clk_data.clk_num = ARRAY_SIZE(clk);
452 	of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
453 
454 	/* set the usboh3 parent to pll2_sw */
455 	clk_set_parent(clk[IMX5_CLK_USBOH3_SEL], clk[IMX5_CLK_PLL2_SW]);
456 
457 	/* set SDHC root clock to 166.25MHZ*/
458 	clk_set_rate(clk[IMX5_CLK_ESDHC_A_PODF], 166250000);
459 	clk_set_rate(clk[IMX5_CLK_ESDHC_B_PODF], 166250000);
460 
461 	clk_prepare_enable(clk[IMX5_CLK_IIM_GATE]);
462 	imx_print_silicon_rev("i.MX51", mx51_revision());
463 	clk_disable_unprepare(clk[IMX5_CLK_IIM_GATE]);
464 
465 	/*
466 	 * Reference Manual says: Functionality of CCDR[18] and CLPCR[23] is no
467 	 * longer supported. Set to one for better power saving.
468 	 *
469 	 * The effect of not setting these bits is that MIPI clocks can't be
470 	 * enabled without the IPU clock being enabled aswell.
471 	 */
472 	val = readl(MXC_CCM_CCDR);
473 	val |= 1 << 18;
474 	writel(val, MXC_CCM_CCDR);
475 
476 	val = readl(MXC_CCM_CLPCR);
477 	val |= 1 << 23;
478 	writel(val, MXC_CCM_CLPCR);
479 }
480 CLK_OF_DECLARE(imx51_ccm, "fsl,imx51-ccm", mx51_clocks_init);
481 
mx53_clocks_init(struct device_node * np)482 static void __init mx53_clocks_init(struct device_node *np)
483 {
484 	void __iomem *ccm_base;
485 	void __iomem *pll_base;
486 	unsigned long r;
487 
488 	pll_base = ioremap(MX53_DPLL1_BASE, SZ_16K);
489 	WARN_ON(!pll_base);
490 	clk[IMX5_CLK_PLL1_SW]		= imx_clk_pllv2("pll1_sw", "osc", pll_base);
491 
492 	pll_base = ioremap(MX53_DPLL2_BASE, SZ_16K);
493 	WARN_ON(!pll_base);
494 	clk[IMX5_CLK_PLL2_SW]		= imx_clk_pllv2("pll2_sw", "osc", pll_base);
495 
496 	pll_base = ioremap(MX53_DPLL3_BASE, SZ_16K);
497 	WARN_ON(!pll_base);
498 	clk[IMX5_CLK_PLL3_SW]		= imx_clk_pllv2("pll3_sw", "osc", pll_base);
499 
500 	pll_base = ioremap(MX53_DPLL4_BASE, SZ_16K);
501 	WARN_ON(!pll_base);
502 	clk[IMX5_CLK_PLL4_SW]		= imx_clk_pllv2("pll4_sw", "osc", pll_base);
503 
504 	ccm_base = of_iomap(np, 0);
505 	WARN_ON(!ccm_base);
506 
507 	mx5_clocks_common_init(ccm_base);
508 
509 	clk[IMX5_CLK_LP_APM]		= imx_clk_mux("lp_apm", MXC_CCM_CCSR, 10, 1,
510 						lp_apm_sel, ARRAY_SIZE(lp_apm_sel));
511 	clk[IMX5_CLK_LDB_DI1_DIV_3_5]	= imx_clk_fixed_factor("ldb_di1_div_3_5", "ldb_di1_sel", 2, 7);
512 	clk[IMX5_CLK_LDB_DI1_DIV]	= imx_clk_divider_flags("ldb_di1_div", "ldb_di1_div_3_5", MXC_CCM_CSCMR2, 11, 1, 0);
513 	clk[IMX5_CLK_LDB_DI1_SEL]	= imx_clk_mux_flags("ldb_di1_sel", MXC_CCM_CSCMR2, 9, 1,
514 						mx53_ldb_di1_sel, ARRAY_SIZE(mx53_ldb_di1_sel), CLK_SET_RATE_PARENT);
515 	clk[IMX5_CLK_DI_PLL4_PODF]	= imx_clk_divider("di_pll4_podf", "pll4_sw", MXC_CCM_CDCDR, 16, 3);
516 	clk[IMX5_CLK_LDB_DI0_DIV_3_5]	= imx_clk_fixed_factor("ldb_di0_div_3_5", "ldb_di0_sel", 2, 7);
517 	clk[IMX5_CLK_LDB_DI0_DIV]	= imx_clk_divider_flags("ldb_di0_div", "ldb_di0_div_3_5", MXC_CCM_CSCMR2, 10, 1, 0);
518 	clk[IMX5_CLK_LDB_DI0_SEL]	= imx_clk_mux_flags("ldb_di0_sel", MXC_CCM_CSCMR2, 8, 1,
519 						mx53_ldb_di0_sel, ARRAY_SIZE(mx53_ldb_di0_sel), CLK_SET_RATE_PARENT);
520 	clk[IMX5_CLK_LDB_DI0_GATE]	= imx_clk_gate2("ldb_di0_gate", "ldb_di0_div", MXC_CCM_CCGR6, 28);
521 	clk[IMX5_CLK_LDB_DI1_GATE]	= imx_clk_gate2("ldb_di1_gate", "ldb_di1_div", MXC_CCM_CCGR6, 30);
522 	clk[IMX5_CLK_IPU_DI0_SEL]	= imx_clk_mux("ipu_di0_sel", MXC_CCM_CSCMR2, 26, 3,
523 						mx53_ipu_di0_sel, ARRAY_SIZE(mx53_ipu_di0_sel));
524 	clk[IMX5_CLK_IPU_DI1_SEL]	= imx_clk_mux("ipu_di1_sel", MXC_CCM_CSCMR2, 29, 3,
525 						mx53_ipu_di1_sel, ARRAY_SIZE(mx53_ipu_di1_sel));
526 	clk[IMX5_CLK_TVE_EXT_SEL]	= imx_clk_mux_flags("tve_ext_sel", MXC_CCM_CSCMR1, 6, 1,
527 						mx53_tve_ext_sel, ARRAY_SIZE(mx53_tve_ext_sel), CLK_SET_RATE_PARENT);
528 	clk[IMX5_CLK_TVE_GATE]		= imx_clk_gate2("tve_gate", "tve_pred", MXC_CCM_CCGR2, 30);
529 	clk[IMX5_CLK_TVE_PRED]		= imx_clk_divider("tve_pred", "tve_ext_sel", MXC_CCM_CDCDR, 28, 3);
530 	clk[IMX5_CLK_ESDHC1_PER_GATE]	= imx_clk_gate2("esdhc1_per_gate", "esdhc_a_podf", MXC_CCM_CCGR3, 2);
531 	clk[IMX5_CLK_ESDHC2_PER_GATE]	= imx_clk_gate2("esdhc2_per_gate", "esdhc_c_sel", MXC_CCM_CCGR3, 6);
532 	clk[IMX5_CLK_ESDHC3_PER_GATE]	= imx_clk_gate2("esdhc3_per_gate", "esdhc_b_podf", MXC_CCM_CCGR3, 10);
533 	clk[IMX5_CLK_ESDHC4_PER_GATE]	= imx_clk_gate2("esdhc4_per_gate", "esdhc_d_sel", MXC_CCM_CCGR3, 14);
534 	clk[IMX5_CLK_USB_PHY1_GATE]	= imx_clk_gate2("usb_phy1_gate", "usb_phy_sel", MXC_CCM_CCGR4, 10);
535 	clk[IMX5_CLK_USB_PHY2_GATE]	= imx_clk_gate2("usb_phy2_gate", "usb_phy_sel", MXC_CCM_CCGR4, 12);
536 	clk[IMX5_CLK_CAN_SEL]		= imx_clk_mux("can_sel", MXC_CCM_CSCMR2, 6, 2,
537 						mx53_can_sel, ARRAY_SIZE(mx53_can_sel));
538 	clk[IMX5_CLK_CAN1_SERIAL_GATE]	= imx_clk_gate2("can1_serial_gate", "can_sel", MXC_CCM_CCGR6, 22);
539 	clk[IMX5_CLK_CAN1_IPG_GATE]	= imx_clk_gate2("can1_ipg_gate", "ipg", MXC_CCM_CCGR6, 20);
540 	clk[IMX5_CLK_OCRAM]		= imx_clk_gate2("ocram", "ahb", MXC_CCM_CCGR6, 2);
541 	clk[IMX5_CLK_CAN2_SERIAL_GATE]	= imx_clk_gate2("can2_serial_gate", "can_sel", MXC_CCM_CCGR4, 8);
542 	clk[IMX5_CLK_CAN2_IPG_GATE]	= imx_clk_gate2("can2_ipg_gate", "ipg", MXC_CCM_CCGR4, 6);
543 	clk[IMX5_CLK_I2C3_GATE]		= imx_clk_gate2("i2c3_gate", "per_root", MXC_CCM_CCGR1, 22);
544 	clk[IMX5_CLK_SATA_GATE]		= imx_clk_gate2("sata_gate", "ipg", MXC_CCM_CCGR4, 2);
545 
546 	clk[IMX5_CLK_CKO1_SEL]		= imx_clk_mux("cko1_sel", MXC_CCM_CCOSR, 0, 4,
547 						mx53_cko1_sel, ARRAY_SIZE(mx53_cko1_sel));
548 	clk[IMX5_CLK_CKO1_PODF]		= imx_clk_divider("cko1_podf", "cko1_sel", MXC_CCM_CCOSR, 4, 3);
549 	clk[IMX5_CLK_CKO1]		= imx_clk_gate2("cko1", "cko1_podf", MXC_CCM_CCOSR, 7);
550 
551 	clk[IMX5_CLK_CKO2_SEL]		= imx_clk_mux("cko2_sel", MXC_CCM_CCOSR, 16, 5,
552 						mx53_cko2_sel, ARRAY_SIZE(mx53_cko2_sel));
553 	clk[IMX5_CLK_CKO2_PODF]		= imx_clk_divider("cko2_podf", "cko2_sel", MXC_CCM_CCOSR, 21, 3);
554 	clk[IMX5_CLK_CKO2]		= imx_clk_gate2("cko2", "cko2_podf", MXC_CCM_CCOSR, 24);
555 	clk[IMX5_CLK_SPDIF_XTAL_SEL]	= imx_clk_mux("spdif_xtal_sel", MXC_CCM_CSCMR1, 2, 2,
556 						mx53_spdif_xtal_sel, ARRAY_SIZE(mx53_spdif_xtal_sel));
557 	clk[IMX5_CLK_ARM]		= imx_clk_cpu("arm", "cpu_podf",
558 						clk[IMX5_CLK_CPU_PODF],
559 						clk[IMX5_CLK_CPU_PODF_SEL],
560 						clk[IMX5_CLK_PLL1_SW],
561 						clk[IMX5_CLK_STEP_SEL]);
562 
563 	imx_check_clocks(clk, ARRAY_SIZE(clk));
564 
565 	clk_data.clks = clk;
566 	clk_data.clk_num = ARRAY_SIZE(clk);
567 	of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
568 
569 	/* set SDHC root clock to 200MHZ*/
570 	clk_set_rate(clk[IMX5_CLK_ESDHC_A_PODF], 200000000);
571 	clk_set_rate(clk[IMX5_CLK_ESDHC_B_PODF], 200000000);
572 
573 	/* move can bus clk to 24MHz */
574 	clk_set_parent(clk[IMX5_CLK_CAN_SEL], clk[IMX5_CLK_LP_APM]);
575 
576 	/* make sure step clock is running from 24MHz */
577 	clk_set_parent(clk[IMX5_CLK_STEP_SEL], clk[IMX5_CLK_LP_APM]);
578 
579 	clk_prepare_enable(clk[IMX5_CLK_IIM_GATE]);
580 	imx_print_silicon_rev("i.MX53", mx53_revision());
581 	clk_disable_unprepare(clk[IMX5_CLK_IIM_GATE]);
582 
583 	r = clk_round_rate(clk[IMX5_CLK_USBOH3_PER_GATE], 54000000);
584 	clk_set_rate(clk[IMX5_CLK_USBOH3_PER_GATE], r);
585 }
586 CLK_OF_DECLARE(imx53_ccm, "fsl,imx53-ccm", mx53_clocks_init);
587