2 * Copyright (C) 2011 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>
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.
10 #include <linux/delay.h>
11 #include <linux/clk.h>
13 #include <linux/clkdev.h>
14 #include <linux/clk-provider.h>
15 #include <linux/err.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>
24 #define MX51_DPLL1_BASE 0x83f80000
25 #define MX51_DPLL2_BASE 0x83f84000
26 #define MX51_DPLL3_BASE 0x83f88000
28 #define MX53_DPLL1_BASE 0x63f80000
29 #define MX53_DPLL2_BASE 0x63f84000
30 #define MX53_DPLL3_BASE 0x63f88000
31 #define MX53_DPLL4_BASE 0x63f8c000
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)
68 /* Low-power Audio Playback Mode clock */
69 static const char *lp_apm_sel
[] = { "osc", };
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",
114 "dummy", "esdhc_c_sel",
115 "ssi1_root_podf", "ssi2_root_podf",
117 "dummy"/* lpsr_clk_root */, "dummy"/* pgc_clk_root */,
118 "dummy"/* tve_out */, "usb_phy_sel",
120 "uart_root", "dummy"/* spdif0_clk_root */,
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" };
130 static struct clk
*clk
[IMX5_CLK_END
];
131 static struct clk_onecell_data clk_data
;
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
],
147 static void __init
mx5_clocks_common_init(void __iomem
*ccm_base
)
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);
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);
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
));
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);
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);
303 clk_register_clkdev(clk
[IMX5_CLK_CPU_PODF
], NULL
, "cpu0");
304 clk_register_clkdev(clk
[IMX5_CLK_GPC_DVFS
], "gpc_dvfs", NULL
);
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
]);
310 /* move usb phy clk to 24MHz */
311 clk_set_parent(clk
[IMX5_CLK_USB_PHY_SEL
], clk
[IMX5_CLK_OSC
]);
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 */
328 imx_register_uart_clocks(uart_clks
);
331 static void __init
mx50_clocks_init(struct device_node
*np
)
333 void __iomem
*ccm_base
;
334 void __iomem
*pll_base
;
337 pll_base
= ioremap(MX53_DPLL1_BASE
, SZ_16K
);
339 clk
[IMX5_CLK_PLL1_SW
] = imx_clk_pllv2("pll1_sw", "osc", pll_base
);
341 pll_base
= ioremap(MX53_DPLL2_BASE
, SZ_16K
);
343 clk
[IMX5_CLK_PLL2_SW
] = imx_clk_pllv2("pll2_sw", "osc", pll_base
);
345 pll_base
= ioremap(MX53_DPLL3_BASE
, SZ_16K
);
347 clk
[IMX5_CLK_PLL3_SW
] = imx_clk_pllv2("pll3_sw", "osc", pll_base
);
349 ccm_base
= of_iomap(np
, 0);
352 mx5_clocks_common_init(ccm_base
);
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);
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);
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);
374 imx_check_clocks(clk
, ARRAY_SIZE(clk
));
377 clk_data
.clk_num
= ARRAY_SIZE(clk
);
378 of_clk_add_provider(np
, of_clk_src_onecell_get
, &clk_data
);
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);
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
]);
388 r
= clk_round_rate(clk
[IMX5_CLK_USBOH3_PER_GATE
], 54000000);
389 clk_set_rate(clk
[IMX5_CLK_USBOH3_PER_GATE
], r
);
391 CLK_OF_DECLARE(imx50_ccm
, "fsl,imx50-ccm", mx50_clocks_init
);
393 static void __init
mx51_clocks_init(struct device_node
*np
)
395 void __iomem
*ccm_base
;
396 void __iomem
*pll_base
;
399 pll_base
= ioremap(MX51_DPLL1_BASE
, SZ_16K
);
401 clk
[IMX5_CLK_PLL1_SW
] = imx_clk_pllv2("pll1_sw", "osc", pll_base
);
403 pll_base
= ioremap(MX51_DPLL2_BASE
, SZ_16K
);
405 clk
[IMX5_CLK_PLL2_SW
] = imx_clk_pllv2("pll2_sw", "osc", pll_base
);
407 pll_base
= ioremap(MX51_DPLL3_BASE
, SZ_16K
);
409 clk
[IMX5_CLK_PLL3_SW
] = imx_clk_pllv2("pll3_sw", "osc", pll_base
);
411 ccm_base
= of_iomap(np
, 0);
414 mx5_clocks_common_init(ccm_base
);
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);
448 imx_check_clocks(clk
, ARRAY_SIZE(clk
));
451 clk_data
.clk_num
= ARRAY_SIZE(clk
);
452 of_clk_add_provider(np
, of_clk_src_onecell_get
, &clk_data
);
454 /* set the usboh3 parent to pll2_sw */
455 clk_set_parent(clk
[IMX5_CLK_USBOH3_SEL
], clk
[IMX5_CLK_PLL2_SW
]);
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);
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
]);
466 * Reference Manual says: Functionality of CCDR[18] and CLPCR[23] is no
467 * longer supported. Set to one for better power saving.
469 * The effect of not setting these bits is that MIPI clocks can't be
470 * enabled without the IPU clock being enabled aswell.
472 val
= readl(MXC_CCM_CCDR
);
474 writel(val
, MXC_CCM_CCDR
);
476 val
= readl(MXC_CCM_CLPCR
);
478 writel(val
, MXC_CCM_CLPCR
);
480 CLK_OF_DECLARE(imx51_ccm
, "fsl,imx51-ccm", mx51_clocks_init
);
482 static void __init
mx53_clocks_init(struct device_node
*np
)
484 void __iomem
*ccm_base
;
485 void __iomem
*pll_base
;
488 pll_base
= ioremap(MX53_DPLL1_BASE
, SZ_16K
);
490 clk
[IMX5_CLK_PLL1_SW
] = imx_clk_pllv2("pll1_sw", "osc", pll_base
);
492 pll_base
= ioremap(MX53_DPLL2_BASE
, SZ_16K
);
494 clk
[IMX5_CLK_PLL2_SW
] = imx_clk_pllv2("pll2_sw", "osc", pll_base
);
496 pll_base
= ioremap(MX53_DPLL3_BASE
, SZ_16K
);
498 clk
[IMX5_CLK_PLL3_SW
] = imx_clk_pllv2("pll3_sw", "osc", pll_base
);
500 pll_base
= ioremap(MX53_DPLL4_BASE
, SZ_16K
);
502 clk
[IMX5_CLK_PLL4_SW
] = imx_clk_pllv2("pll4_sw", "osc", pll_base
);
504 ccm_base
= of_iomap(np
, 0);
507 mx5_clocks_common_init(ccm_base
);
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);
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);
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
]);
563 imx_check_clocks(clk
, ARRAY_SIZE(clk
));
566 clk_data
.clk_num
= ARRAY_SIZE(clk
);
567 of_clk_add_provider(np
, of_clk_src_onecell_get
, &clk_data
);
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);
573 /* move can bus clk to 24MHz */
574 clk_set_parent(clk
[IMX5_CLK_CAN_SEL
], clk
[IMX5_CLK_LP_APM
]);
576 /* make sure step clock is running from 24MHz */
577 clk_set_parent(clk
[IMX5_CLK_STEP_SEL
], clk
[IMX5_CLK_LP_APM
]);
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
]);
583 r
= clk_round_rate(clk
[IMX5_CLK_USBOH3_PER_GATE
], 54000000);
584 clk_set_rate(clk
[IMX5_CLK_USBOH3_PER_GATE
], r
);
586 CLK_OF_DECLARE(imx53_ccm
, "fsl,imx53-ccm", mx53_clocks_init
);