2 * Copyright 2011 Freescale Semiconductor, Inc.
3 * Copyright 2011 Linaro Ltd.
5 * The code contained herein is licensed under the GNU General Public
6 * License. You may obtain a copy of the GNU General Public License
7 * Version 2 or later at the following locations:
9 * http://www.opensource.org/licenses/gpl-license.html
10 * http://www.gnu.org/copyleft/gpl.html
13 #include <linux/init.h>
14 #include <linux/types.h>
15 #include <linux/clk.h>
16 #include <linux/clkdev.h>
17 #include <linux/err.h>
20 #include <linux/of_address.h>
21 #include <linux/of_irq.h>
36 #define BP_CLPCR_LPM 0
37 #define BM_CLPCR_LPM (0x3 << 0)
38 #define BM_CLPCR_BYPASS_PMIC_READY (0x1 << 2)
39 #define BM_CLPCR_ARM_CLK_DIS_ON_LPM (0x1 << 5)
40 #define BM_CLPCR_SBYOS (0x1 << 6)
41 #define BM_CLPCR_DIS_REF_OSC (0x1 << 7)
42 #define BM_CLPCR_VSTBY (0x1 << 8)
43 #define BP_CLPCR_STBY_COUNT 9
44 #define BM_CLPCR_STBY_COUNT (0x3 << 9)
45 #define BM_CLPCR_COSC_PWRDOWN (0x1 << 11)
46 #define BM_CLPCR_WB_PER_AT_LPM (0x1 << 16)
47 #define BM_CLPCR_WB_CORE_AT_LPM (0x1 << 17)
48 #define BM_CLPCR_BYP_MMDC_CH0_LPM_HS (0x1 << 19)
49 #define BM_CLPCR_BYP_MMDC_CH1_LPM_HS (0x1 << 21)
50 #define BM_CLPCR_MASK_CORE0_WFI (0x1 << 22)
51 #define BM_CLPCR_MASK_CORE1_WFI (0x1 << 23)
52 #define BM_CLPCR_MASK_CORE2_WFI (0x1 << 24)
53 #define BM_CLPCR_MASK_CORE3_WFI (0x1 << 25)
54 #define BM_CLPCR_MASK_SCU_IDLE (0x1 << 26)
55 #define BM_CLPCR_MASK_L2CC_IDLE (0x1 << 27)
58 #define BM_CGPR_CHICKEN_BIT (0x1 << 17)
60 static void __iomem
*ccm_base
;
62 void imx6q_set_chicken_bit(void)
64 u32 val
= readl_relaxed(ccm_base
+ CGPR
);
66 val
|= BM_CGPR_CHICKEN_BIT
;
67 writel_relaxed(val
, ccm_base
+ CGPR
);
70 int imx6q_set_lpm(enum mxc_cpu_pwr_mode mode
)
72 u32 val
= readl_relaxed(ccm_base
+ CLPCR
);
79 val
|= 0x1 << BP_CLPCR_LPM
;
80 val
|= BM_CLPCR_ARM_CLK_DIS_ON_LPM
;
83 val
|= 0x2 << BP_CLPCR_LPM
;
85 case WAIT_UNCLOCKED_POWER_OFF
:
86 val
|= 0x1 << BP_CLPCR_LPM
;
87 val
&= ~BM_CLPCR_VSTBY
;
88 val
&= ~BM_CLPCR_SBYOS
;
91 val
|= 0x2 << BP_CLPCR_LPM
;
92 val
|= 0x3 << BP_CLPCR_STBY_COUNT
;
93 val
|= BM_CLPCR_VSTBY
;
94 val
|= BM_CLPCR_SBYOS
;
100 writel_relaxed(val
, ccm_base
+ CLPCR
);
105 static const char *step_sels
[] = { "osc", "pll2_pfd2_396m", };
106 static const char *pll1_sw_sels
[] = { "pll1_sys", "step", };
107 static const char *periph_pre_sels
[] = { "pll2_bus", "pll2_pfd2_396m", "pll2_pfd0_352m", "pll2_198m", };
108 static const char *periph_clk2_sels
[] = { "pll3_usb_otg", "osc", };
109 static const char *periph_sels
[] = { "periph_pre", "periph_clk2", };
110 static const char *periph2_sels
[] = { "periph2_pre", "periph2_clk2", };
111 static const char *axi_sels
[] = { "periph", "pll2_pfd2_396m", "pll3_pfd1_540m", };
112 static const char *audio_sels
[] = { "pll4_audio", "pll3_pfd2_508m", "pll3_pfd3_454m", "pll3_usb_otg", };
113 static const char *gpu_axi_sels
[] = { "axi", "ahb", };
114 static const char *gpu2d_core_sels
[] = { "axi", "pll3_usb_otg", "pll2_pfd0_352m", "pll2_pfd2_396m", };
115 static const char *gpu3d_core_sels
[] = { "mmdc_ch0_axi", "pll3_usb_otg", "pll2_pfd1_594m", "pll2_pfd2_396m", };
116 static const char *gpu3d_shader_sels
[] = { "mmdc_ch0_axi", "pll3_usb_otg", "pll2_pfd1_594m", "pll2_pfd9_720m", };
117 static const char *ipu_sels
[] = { "mmdc_ch0_axi", "pll2_pfd2_396m", "pll3_120m", "pll3_pfd1_540m", };
118 static const char *ldb_di_sels
[] = { "pll5_video", "pll2_pfd0_352m", "pll2_pfd2_396m", "mmdc_ch1_axi", "pll3_pfd1_540m", };
119 static const char *ipu_di_pre_sels
[] = { "mmdc_ch0_axi", "pll3_usb_otg", "pll5_video", "pll2_pfd0_352m", "pll2_pfd2_396m", "pll3_pfd1_540m", };
120 static const char *ipu1_di0_sels
[] = { "ipu1_di0_pre", "dummy", "dummy", "ldb_di0", "ldb_di1", };
121 static const char *ipu1_di1_sels
[] = { "ipu1_di1_pre", "dummy", "dummy", "ldb_di0", "ldb_di1", };
122 static const char *ipu2_di0_sels
[] = { "ipu2_di0_pre", "dummy", "dummy", "ldb_di0", "ldb_di1", };
123 static const char *ipu2_di1_sels
[] = { "ipu2_di1_pre", "dummy", "dummy", "ldb_di0", "ldb_di1", };
124 static const char *hsi_tx_sels
[] = { "pll3_120m", "pll2_pfd2_396m", };
125 static const char *pcie_axi_sels
[] = { "axi", "ahb", };
126 static const char *ssi_sels
[] = { "pll3_pfd2_508m", "pll3_pfd3_454m", "pll4_audio", };
127 static const char *usdhc_sels
[] = { "pll2_pfd2_396m", "pll2_pfd0_352m", };
128 static const char *enfc_sels
[] = { "pll2_pfd0_352m", "pll2_bus", "pll3_usb_otg", "pll2_pfd2_396m", };
129 static const char *emi_sels
[] = { "axi", "pll3_usb_otg", "pll2_pfd2_396m", "pll2_pfd0_352m", };
130 static const char *vdo_axi_sels
[] = { "axi", "ahb", };
131 static const char *vpu_axi_sels
[] = { "axi", "pll2_pfd2_396m", "pll2_pfd0_352m", };
132 static const char *cko1_sels
[] = { "pll3_usb_otg", "pll2_bus", "pll1_sys", "pll5_video",
133 "dummy", "axi", "enfc", "ipu1_di0", "ipu1_di1", "ipu2_di0",
134 "ipu2_di1", "ahb", "ipg", "ipg_per", "ckil", "pll4_audio", };
137 dummy
, ckil
, ckih
, osc
, pll2_pfd0_352m
, pll2_pfd1_594m
, pll2_pfd2_396m
,
138 pll3_pfd0_720m
, pll3_pfd1_540m
, pll3_pfd2_508m
, pll3_pfd3_454m
,
139 pll2_198m
, pll3_120m
, pll3_80m
, pll3_60m
, twd
, step
, pll1_sw
,
140 periph_pre
, periph2_pre
, periph_clk2_sel
, periph2_clk2_sel
, axi_sel
,
141 esai_sel
, asrc_sel
, spdif_sel
, gpu2d_axi
, gpu3d_axi
, gpu2d_core_sel
,
142 gpu3d_core_sel
, gpu3d_shader_sel
, ipu1_sel
, ipu2_sel
, ldb_di0_sel
,
143 ldb_di1_sel
, ipu1_di0_pre_sel
, ipu1_di1_pre_sel
, ipu2_di0_pre_sel
,
144 ipu2_di1_pre_sel
, ipu1_di0_sel
, ipu1_di1_sel
, ipu2_di0_sel
,
145 ipu2_di1_sel
, hsi_tx_sel
, pcie_axi_sel
, ssi1_sel
, ssi2_sel
, ssi3_sel
,
146 usdhc1_sel
, usdhc2_sel
, usdhc3_sel
, usdhc4_sel
, enfc_sel
, emi_sel
,
147 emi_slow_sel
, vdo_axi_sel
, vpu_axi_sel
, cko1_sel
, periph
, periph2
,
148 periph_clk2
, periph2_clk2
, ipg
, ipg_per
, esai_pred
, esai_podf
,
149 asrc_pred
, asrc_podf
, spdif_pred
, spdif_podf
, can_root
, ecspi_root
,
150 gpu2d_core_podf
, gpu3d_core_podf
, gpu3d_shader
, ipu1_podf
, ipu2_podf
,
151 ldb_di0_podf
, ldb_di1_podf
, ipu1_di0_pre
, ipu1_di1_pre
, ipu2_di0_pre
,
152 ipu2_di1_pre
, hsi_tx_podf
, ssi1_pred
, ssi1_podf
, ssi2_pred
, ssi2_podf
,
153 ssi3_pred
, ssi3_podf
, uart_serial_podf
, usdhc1_podf
, usdhc2_podf
,
154 usdhc3_podf
, usdhc4_podf
, enfc_pred
, enfc_podf
, emi_podf
,
155 emi_slow_podf
, vpu_axi_podf
, cko1_podf
, axi
, mmdc_ch0_axi_podf
,
156 mmdc_ch1_axi_podf
, arm
, ahb
, apbh_dma
, asrc
, can1_ipg
, can1_serial
,
157 can2_ipg
, can2_serial
, ecspi1
, ecspi2
, ecspi3
, ecspi4
, ecspi5
, enet
,
158 esai
, gpt_ipg
, gpt_ipg_per
, gpu2d_core
, gpu3d_core
, hdmi_iahb
,
159 hdmi_isfr
, i2c1
, i2c2
, i2c3
, iim
, enfc
, ipu1
, ipu1_di0
, ipu1_di1
, ipu2
,
160 ipu2_di0
, ldb_di0
, ldb_di1
, ipu2_di1
, hsi_tx
, mlb
, mmdc_ch0_axi
,
161 mmdc_ch1_axi
, ocram
, openvg_axi
, pcie_axi
, pwm1
, pwm2
, pwm3
, pwm4
, per1_bch
,
162 gpmi_bch_apb
, gpmi_bch
, gpmi_io
, gpmi_apb
, sata
, sdma
, spba
, ssi1
,
163 ssi2
, ssi3
, uart_ipg
, uart_serial
, usboh3
, usdhc1
, usdhc2
, usdhc3
,
164 usdhc4
, vdo_axi
, vpu_axi
, cko1
, pll1_sys
, pll2_bus
, pll3_usb_otg
,
165 pll4_audio
, pll5_video
, pll8_mlb
, pll7_usb_host
, pll6_enet
, ssi1_ipg
,
166 ssi2_ipg
, ssi3_ipg
, rom
, usbphy1
, usbphy2
, ldb_di0_div_3_5
, ldb_di1_div_3_5
,
167 sata_ref
, sata_ref_100m
, pcie_ref
, pcie_ref_125m
, enet_ref
, usbphy1_gate
,
168 usbphy2_gate
, clk_max
171 static struct clk
*clk
[clk_max
];
172 static struct clk_onecell_data clk_data
;
174 static enum mx6q_clks
const clks_init_on
[] __initconst
= {
175 mmdc_ch0_axi
, rom
, pll1_sys
,
178 static struct clk_div_table clk_enet_ref_table
[] = {
179 { .val
= 0, .div
= 20, },
180 { .val
= 1, .div
= 10, },
181 { .val
= 2, .div
= 5, },
182 { .val
= 3, .div
= 4, },
185 int __init
mx6q_clocks_init(void)
187 struct device_node
*np
;
191 clk
[dummy
] = imx_clk_fixed("dummy", 0);
193 /* retrieve the freqency of fixed clocks from device tree */
194 for_each_compatible_node(np
, NULL
, "fixed-clock") {
196 if (of_property_read_u32(np
, "clock-frequency", &rate
))
199 if (of_device_is_compatible(np
, "fsl,imx-ckil"))
200 clk
[ckil
] = imx_clk_fixed("ckil", rate
);
201 else if (of_device_is_compatible(np
, "fsl,imx-ckih1"))
202 clk
[ckih
] = imx_clk_fixed("ckih", rate
);
203 else if (of_device_is_compatible(np
, "fsl,imx-osc"))
204 clk
[osc
] = imx_clk_fixed("osc", rate
);
207 np
= of_find_compatible_node(NULL
, NULL
, "fsl,imx6q-anatop");
208 base
= of_iomap(np
, 0);
211 /* type name parent_name base div_mask */
212 clk
[pll1_sys
] = imx_clk_pllv3(IMX_PLLV3_SYS
, "pll1_sys", "osc", base
, 0x7f);
213 clk
[pll2_bus
] = imx_clk_pllv3(IMX_PLLV3_GENERIC
, "pll2_bus", "osc", base
+ 0x30, 0x1);
214 clk
[pll3_usb_otg
] = imx_clk_pllv3(IMX_PLLV3_USB
, "pll3_usb_otg", "osc", base
+ 0x10, 0x3);
215 clk
[pll4_audio
] = imx_clk_pllv3(IMX_PLLV3_AV
, "pll4_audio", "osc", base
+ 0x70, 0x7f);
216 clk
[pll5_video
] = imx_clk_pllv3(IMX_PLLV3_AV
, "pll5_video", "osc", base
+ 0xa0, 0x7f);
217 clk
[pll6_enet
] = imx_clk_pllv3(IMX_PLLV3_ENET
, "pll6_enet", "osc", base
+ 0xe0, 0x3);
218 clk
[pll7_usb_host
] = imx_clk_pllv3(IMX_PLLV3_USB
, "pll7_usb_host","osc", base
+ 0x20, 0x3);
219 clk
[pll8_mlb
] = imx_clk_pllv3(IMX_PLLV3_MLB
, "pll8_mlb", "osc", base
+ 0xd0, 0x0);
222 * Bit 20 is the reserved and read-only bit, we do this only for:
223 * - Do nothing for usbphy clk_enable/disable
224 * - Keep refcount when do usbphy clk_enable/disable, in that case,
225 * the clk framework may need to enable/disable usbphy's parent
227 clk
[usbphy1
] = imx_clk_gate("usbphy1", "pll3_usb_otg", base
+ 0x10, 20);
228 clk
[usbphy2
] = imx_clk_gate("usbphy2", "pll7_usb_host", base
+ 0x20, 20);
231 * usbphy*_gate needs to be on after system boots up, and software
232 * never needs to control it anymore.
234 clk
[usbphy1_gate
] = imx_clk_gate("usbphy1_gate", "dummy", base
+ 0x10, 6);
235 clk
[usbphy2_gate
] = imx_clk_gate("usbphy2_gate", "dummy", base
+ 0x20, 6);
237 clk
[sata_ref
] = imx_clk_fixed_factor("sata_ref", "pll6_enet", 1, 5);
238 clk
[pcie_ref
] = imx_clk_fixed_factor("pcie_ref", "pll6_enet", 1, 4);
240 clk
[sata_ref_100m
] = imx_clk_gate("sata_ref_100m", "sata_ref", base
+ 0xe0, 20);
241 clk
[pcie_ref_125m
] = imx_clk_gate("pcie_ref_125m", "pcie_ref", base
+ 0xe0, 19);
243 clk
[enet_ref
] = clk_register_divider_table(NULL
, "enet_ref", "pll6_enet", 0,
244 base
+ 0xe0, 0, 2, 0, clk_enet_ref_table
,
247 /* name parent_name reg idx */
248 clk
[pll2_pfd0_352m
] = imx_clk_pfd("pll2_pfd0_352m", "pll2_bus", base
+ 0x100, 0);
249 clk
[pll2_pfd1_594m
] = imx_clk_pfd("pll2_pfd1_594m", "pll2_bus", base
+ 0x100, 1);
250 clk
[pll2_pfd2_396m
] = imx_clk_pfd("pll2_pfd2_396m", "pll2_bus", base
+ 0x100, 2);
251 clk
[pll3_pfd0_720m
] = imx_clk_pfd("pll3_pfd0_720m", "pll3_usb_otg", base
+ 0xf0, 0);
252 clk
[pll3_pfd1_540m
] = imx_clk_pfd("pll3_pfd1_540m", "pll3_usb_otg", base
+ 0xf0, 1);
253 clk
[pll3_pfd2_508m
] = imx_clk_pfd("pll3_pfd2_508m", "pll3_usb_otg", base
+ 0xf0, 2);
254 clk
[pll3_pfd3_454m
] = imx_clk_pfd("pll3_pfd3_454m", "pll3_usb_otg", base
+ 0xf0, 3);
256 /* name parent_name mult div */
257 clk
[pll2_198m
] = imx_clk_fixed_factor("pll2_198m", "pll2_pfd2_396m", 1, 2);
258 clk
[pll3_120m
] = imx_clk_fixed_factor("pll3_120m", "pll3_usb_otg", 1, 4);
259 clk
[pll3_80m
] = imx_clk_fixed_factor("pll3_80m", "pll3_usb_otg", 1, 6);
260 clk
[pll3_60m
] = imx_clk_fixed_factor("pll3_60m", "pll3_usb_otg", 1, 8);
261 clk
[twd
] = imx_clk_fixed_factor("twd", "arm", 1, 2);
263 np
= of_find_compatible_node(NULL
, NULL
, "fsl,imx6q-ccm");
264 base
= of_iomap(np
, 0);
268 /* name reg shift width parent_names num_parents */
269 clk
[step
] = imx_clk_mux("step", base
+ 0xc, 8, 1, step_sels
, ARRAY_SIZE(step_sels
));
270 clk
[pll1_sw
] = imx_clk_mux("pll1_sw", base
+ 0xc, 2, 1, pll1_sw_sels
, ARRAY_SIZE(pll1_sw_sels
));
271 clk
[periph_pre
] = imx_clk_mux("periph_pre", base
+ 0x18, 18, 2, periph_pre_sels
, ARRAY_SIZE(periph_pre_sels
));
272 clk
[periph2_pre
] = imx_clk_mux("periph2_pre", base
+ 0x18, 21, 2, periph_pre_sels
, ARRAY_SIZE(periph_pre_sels
));
273 clk
[periph_clk2_sel
] = imx_clk_mux("periph_clk2_sel", base
+ 0x18, 12, 1, periph_clk2_sels
, ARRAY_SIZE(periph_clk2_sels
));
274 clk
[periph2_clk2_sel
] = imx_clk_mux("periph2_clk2_sel", base
+ 0x18, 20, 1, periph_clk2_sels
, ARRAY_SIZE(periph_clk2_sels
));
275 clk
[axi_sel
] = imx_clk_mux("axi_sel", base
+ 0x14, 6, 2, axi_sels
, ARRAY_SIZE(axi_sels
));
276 clk
[esai_sel
] = imx_clk_mux("esai_sel", base
+ 0x20, 19, 2, audio_sels
, ARRAY_SIZE(audio_sels
));
277 clk
[asrc_sel
] = imx_clk_mux("asrc_sel", base
+ 0x30, 7, 2, audio_sels
, ARRAY_SIZE(audio_sels
));
278 clk
[spdif_sel
] = imx_clk_mux("spdif_sel", base
+ 0x30, 20, 2, audio_sels
, ARRAY_SIZE(audio_sels
));
279 clk
[gpu2d_axi
] = imx_clk_mux("gpu2d_axi", base
+ 0x18, 0, 1, gpu_axi_sels
, ARRAY_SIZE(gpu_axi_sels
));
280 clk
[gpu3d_axi
] = imx_clk_mux("gpu3d_axi", base
+ 0x18, 1, 1, gpu_axi_sels
, ARRAY_SIZE(gpu_axi_sels
));
281 clk
[gpu2d_core_sel
] = imx_clk_mux("gpu2d_core_sel", base
+ 0x18, 16, 2, gpu2d_core_sels
, ARRAY_SIZE(gpu2d_core_sels
));
282 clk
[gpu3d_core_sel
] = imx_clk_mux("gpu3d_core_sel", base
+ 0x18, 4, 2, gpu3d_core_sels
, ARRAY_SIZE(gpu3d_core_sels
));
283 clk
[gpu3d_shader_sel
] = imx_clk_mux("gpu3d_shader_sel", base
+ 0x18, 8, 2, gpu3d_shader_sels
, ARRAY_SIZE(gpu3d_shader_sels
));
284 clk
[ipu1_sel
] = imx_clk_mux("ipu1_sel", base
+ 0x3c, 9, 2, ipu_sels
, ARRAY_SIZE(ipu_sels
));
285 clk
[ipu2_sel
] = imx_clk_mux("ipu2_sel", base
+ 0x3c, 14, 2, ipu_sels
, ARRAY_SIZE(ipu_sels
));
286 clk
[ldb_di0_sel
] = imx_clk_mux("ldb_di0_sel", base
+ 0x2c, 9, 3, ldb_di_sels
, ARRAY_SIZE(ldb_di_sels
));
287 clk
[ldb_di1_sel
] = imx_clk_mux("ldb_di1_sel", base
+ 0x2c, 12, 3, ldb_di_sels
, ARRAY_SIZE(ldb_di_sels
));
288 clk
[ipu1_di0_pre_sel
] = imx_clk_mux("ipu1_di0_pre_sel", base
+ 0x34, 6, 3, ipu_di_pre_sels
, ARRAY_SIZE(ipu_di_pre_sels
));
289 clk
[ipu1_di1_pre_sel
] = imx_clk_mux("ipu1_di1_pre_sel", base
+ 0x34, 15, 3, ipu_di_pre_sels
, ARRAY_SIZE(ipu_di_pre_sels
));
290 clk
[ipu2_di0_pre_sel
] = imx_clk_mux("ipu2_di0_pre_sel", base
+ 0x38, 6, 3, ipu_di_pre_sels
, ARRAY_SIZE(ipu_di_pre_sels
));
291 clk
[ipu2_di1_pre_sel
] = imx_clk_mux("ipu2_di1_pre_sel", base
+ 0x38, 15, 3, ipu_di_pre_sels
, ARRAY_SIZE(ipu_di_pre_sels
));
292 clk
[ipu1_di0_sel
] = imx_clk_mux("ipu1_di0_sel", base
+ 0x34, 0, 3, ipu1_di0_sels
, ARRAY_SIZE(ipu1_di0_sels
));
293 clk
[ipu1_di1_sel
] = imx_clk_mux("ipu1_di1_sel", base
+ 0x34, 9, 3, ipu1_di1_sels
, ARRAY_SIZE(ipu1_di1_sels
));
294 clk
[ipu2_di0_sel
] = imx_clk_mux("ipu2_di0_sel", base
+ 0x38, 0, 3, ipu2_di0_sels
, ARRAY_SIZE(ipu2_di0_sels
));
295 clk
[ipu2_di1_sel
] = imx_clk_mux("ipu2_di1_sel", base
+ 0x38, 9, 3, ipu2_di1_sels
, ARRAY_SIZE(ipu2_di1_sels
));
296 clk
[hsi_tx_sel
] = imx_clk_mux("hsi_tx_sel", base
+ 0x30, 28, 1, hsi_tx_sels
, ARRAY_SIZE(hsi_tx_sels
));
297 clk
[pcie_axi_sel
] = imx_clk_mux("pcie_axi_sel", base
+ 0x18, 10, 1, pcie_axi_sels
, ARRAY_SIZE(pcie_axi_sels
));
298 clk
[ssi1_sel
] = imx_clk_mux("ssi1_sel", base
+ 0x1c, 10, 2, ssi_sels
, ARRAY_SIZE(ssi_sels
));
299 clk
[ssi2_sel
] = imx_clk_mux("ssi2_sel", base
+ 0x1c, 12, 2, ssi_sels
, ARRAY_SIZE(ssi_sels
));
300 clk
[ssi3_sel
] = imx_clk_mux("ssi3_sel", base
+ 0x1c, 14, 2, ssi_sels
, ARRAY_SIZE(ssi_sels
));
301 clk
[usdhc1_sel
] = imx_clk_mux("usdhc1_sel", base
+ 0x1c, 16, 1, usdhc_sels
, ARRAY_SIZE(usdhc_sels
));
302 clk
[usdhc2_sel
] = imx_clk_mux("usdhc2_sel", base
+ 0x1c, 17, 1, usdhc_sels
, ARRAY_SIZE(usdhc_sels
));
303 clk
[usdhc3_sel
] = imx_clk_mux("usdhc3_sel", base
+ 0x1c, 18, 1, usdhc_sels
, ARRAY_SIZE(usdhc_sels
));
304 clk
[usdhc4_sel
] = imx_clk_mux("usdhc4_sel", base
+ 0x1c, 19, 1, usdhc_sels
, ARRAY_SIZE(usdhc_sels
));
305 clk
[enfc_sel
] = imx_clk_mux("enfc_sel", base
+ 0x2c, 16, 2, enfc_sels
, ARRAY_SIZE(enfc_sels
));
306 clk
[emi_sel
] = imx_clk_mux("emi_sel", base
+ 0x1c, 27, 2, emi_sels
, ARRAY_SIZE(emi_sels
));
307 clk
[emi_slow_sel
] = imx_clk_mux("emi_slow_sel", base
+ 0x1c, 29, 2, emi_sels
, ARRAY_SIZE(emi_sels
));
308 clk
[vdo_axi_sel
] = imx_clk_mux("vdo_axi_sel", base
+ 0x18, 11, 1, vdo_axi_sels
, ARRAY_SIZE(vdo_axi_sels
));
309 clk
[vpu_axi_sel
] = imx_clk_mux("vpu_axi_sel", base
+ 0x18, 14, 2, vpu_axi_sels
, ARRAY_SIZE(vpu_axi_sels
));
310 clk
[cko1_sel
] = imx_clk_mux("cko1_sel", base
+ 0x60, 0, 4, cko1_sels
, ARRAY_SIZE(cko1_sels
));
312 /* name reg shift width busy: reg, shift parent_names num_parents */
313 clk
[periph
] = imx_clk_busy_mux("periph", base
+ 0x14, 25, 1, base
+ 0x48, 5, periph_sels
, ARRAY_SIZE(periph_sels
));
314 clk
[periph2
] = imx_clk_busy_mux("periph2", base
+ 0x14, 26, 1, base
+ 0x48, 3, periph2_sels
, ARRAY_SIZE(periph2_sels
));
316 /* name parent_name reg shift width */
317 clk
[periph_clk2
] = imx_clk_divider("periph_clk2", "periph_clk2_sel", base
+ 0x14, 27, 3);
318 clk
[periph2_clk2
] = imx_clk_divider("periph2_clk2", "periph2_clk2_sel", base
+ 0x14, 0, 3);
319 clk
[ipg
] = imx_clk_divider("ipg", "ahb", base
+ 0x14, 8, 2);
320 clk
[ipg_per
] = imx_clk_divider("ipg_per", "ipg", base
+ 0x1c, 0, 6);
321 clk
[esai_pred
] = imx_clk_divider("esai_pred", "esai_sel", base
+ 0x28, 9, 3);
322 clk
[esai_podf
] = imx_clk_divider("esai_podf", "esai_pred", base
+ 0x28, 25, 3);
323 clk
[asrc_pred
] = imx_clk_divider("asrc_pred", "asrc_sel", base
+ 0x30, 12, 3);
324 clk
[asrc_podf
] = imx_clk_divider("asrc_podf", "asrc_pred", base
+ 0x30, 9, 3);
325 clk
[spdif_pred
] = imx_clk_divider("spdif_pred", "spdif_sel", base
+ 0x30, 25, 3);
326 clk
[spdif_podf
] = imx_clk_divider("spdif_podf", "spdif_pred", base
+ 0x30, 22, 3);
327 clk
[can_root
] = imx_clk_divider("can_root", "pll3_usb_otg", base
+ 0x20, 2, 6);
328 clk
[ecspi_root
] = imx_clk_divider("ecspi_root", "pll3_60m", base
+ 0x38, 19, 6);
329 clk
[gpu2d_core_podf
] = imx_clk_divider("gpu2d_core_podf", "gpu2d_core_sel", base
+ 0x18, 23, 3);
330 clk
[gpu3d_core_podf
] = imx_clk_divider("gpu3d_core_podf", "gpu3d_core_sel", base
+ 0x18, 26, 3);
331 clk
[gpu3d_shader
] = imx_clk_divider("gpu3d_shader", "gpu3d_shader_sel", base
+ 0x18, 29, 3);
332 clk
[ipu1_podf
] = imx_clk_divider("ipu1_podf", "ipu1_sel", base
+ 0x3c, 11, 3);
333 clk
[ipu2_podf
] = imx_clk_divider("ipu2_podf", "ipu2_sel", base
+ 0x3c, 16, 3);
334 clk
[ldb_di0_div_3_5
] = imx_clk_fixed_factor("ldb_di0_div_3_5", "ldb_di0_sel", 2, 7);
335 clk
[ldb_di0_podf
] = imx_clk_divider("ldb_di0_podf", "ldb_di0_div_3_5", base
+ 0x20, 10, 1);
336 clk
[ldb_di1_div_3_5
] = imx_clk_fixed_factor("ldb_di1_div_3_5", "ldb_di1_sel", 2, 7);
337 clk
[ldb_di1_podf
] = imx_clk_divider("ldb_di1_podf", "ldb_di1_div_3_5", base
+ 0x20, 11, 1);
338 clk
[ipu1_di0_pre
] = imx_clk_divider("ipu1_di0_pre", "ipu1_di0_pre_sel", base
+ 0x34, 3, 3);
339 clk
[ipu1_di1_pre
] = imx_clk_divider("ipu1_di1_pre", "ipu1_di1_pre_sel", base
+ 0x34, 12, 3);
340 clk
[ipu2_di0_pre
] = imx_clk_divider("ipu2_di0_pre", "ipu2_di0_pre_sel", base
+ 0x38, 3, 3);
341 clk
[ipu2_di1_pre
] = imx_clk_divider("ipu2_di1_pre", "ipu2_di1_pre_sel", base
+ 0x38, 12, 3);
342 clk
[hsi_tx_podf
] = imx_clk_divider("hsi_tx_podf", "hsi_tx_sel", base
+ 0x30, 29, 3);
343 clk
[ssi1_pred
] = imx_clk_divider("ssi1_pred", "ssi1_sel", base
+ 0x28, 6, 3);
344 clk
[ssi1_podf
] = imx_clk_divider("ssi1_podf", "ssi1_pred", base
+ 0x28, 0, 6);
345 clk
[ssi2_pred
] = imx_clk_divider("ssi2_pred", "ssi2_sel", base
+ 0x2c, 6, 3);
346 clk
[ssi2_podf
] = imx_clk_divider("ssi2_podf", "ssi2_pred", base
+ 0x2c, 0, 6);
347 clk
[ssi3_pred
] = imx_clk_divider("ssi3_pred", "ssi3_sel", base
+ 0x28, 22, 3);
348 clk
[ssi3_podf
] = imx_clk_divider("ssi3_podf", "ssi3_pred", base
+ 0x28, 16, 6);
349 clk
[uart_serial_podf
] = imx_clk_divider("uart_serial_podf", "pll3_80m", base
+ 0x24, 0, 6);
350 clk
[usdhc1_podf
] = imx_clk_divider("usdhc1_podf", "usdhc1_sel", base
+ 0x24, 11, 3);
351 clk
[usdhc2_podf
] = imx_clk_divider("usdhc2_podf", "usdhc2_sel", base
+ 0x24, 16, 3);
352 clk
[usdhc3_podf
] = imx_clk_divider("usdhc3_podf", "usdhc3_sel", base
+ 0x24, 19, 3);
353 clk
[usdhc4_podf
] = imx_clk_divider("usdhc4_podf", "usdhc4_sel", base
+ 0x24, 22, 3);
354 clk
[enfc_pred
] = imx_clk_divider("enfc_pred", "enfc_sel", base
+ 0x2c, 18, 3);
355 clk
[enfc_podf
] = imx_clk_divider("enfc_podf", "enfc_pred", base
+ 0x2c, 21, 6);
356 clk
[emi_podf
] = imx_clk_divider("emi_podf", "emi_sel", base
+ 0x1c, 20, 3);
357 clk
[emi_slow_podf
] = imx_clk_divider("emi_slow_podf", "emi_slow_sel", base
+ 0x1c, 23, 3);
358 clk
[vpu_axi_podf
] = imx_clk_divider("vpu_axi_podf", "vpu_axi_sel", base
+ 0x24, 25, 3);
359 clk
[cko1_podf
] = imx_clk_divider("cko1_podf", "cko1_sel", base
+ 0x60, 4, 3);
361 /* name parent_name reg shift width busy: reg, shift */
362 clk
[axi
] = imx_clk_busy_divider("axi", "axi_sel", base
+ 0x14, 16, 3, base
+ 0x48, 0);
363 clk
[mmdc_ch0_axi_podf
] = imx_clk_busy_divider("mmdc_ch0_axi_podf", "periph", base
+ 0x14, 19, 3, base
+ 0x48, 4);
364 clk
[mmdc_ch1_axi_podf
] = imx_clk_busy_divider("mmdc_ch1_axi_podf", "periph2", base
+ 0x14, 3, 3, base
+ 0x48, 2);
365 clk
[arm
] = imx_clk_busy_divider("arm", "pll1_sw", base
+ 0x10, 0, 3, base
+ 0x48, 16);
366 clk
[ahb
] = imx_clk_busy_divider("ahb", "periph", base
+ 0x14, 10, 3, base
+ 0x48, 1);
368 /* name parent_name reg shift */
369 clk
[apbh_dma
] = imx_clk_gate2("apbh_dma", "usdhc3", base
+ 0x68, 4);
370 clk
[asrc
] = imx_clk_gate2("asrc", "asrc_podf", base
+ 0x68, 6);
371 clk
[can1_ipg
] = imx_clk_gate2("can1_ipg", "ipg", base
+ 0x68, 14);
372 clk
[can1_serial
] = imx_clk_gate2("can1_serial", "can_root", base
+ 0x68, 16);
373 clk
[can2_ipg
] = imx_clk_gate2("can2_ipg", "ipg", base
+ 0x68, 18);
374 clk
[can2_serial
] = imx_clk_gate2("can2_serial", "can_root", base
+ 0x68, 20);
375 clk
[ecspi1
] = imx_clk_gate2("ecspi1", "ecspi_root", base
+ 0x6c, 0);
376 clk
[ecspi2
] = imx_clk_gate2("ecspi2", "ecspi_root", base
+ 0x6c, 2);
377 clk
[ecspi3
] = imx_clk_gate2("ecspi3", "ecspi_root", base
+ 0x6c, 4);
378 clk
[ecspi4
] = imx_clk_gate2("ecspi4", "ecspi_root", base
+ 0x6c, 6);
379 clk
[ecspi5
] = imx_clk_gate2("ecspi5", "ecspi_root", base
+ 0x6c, 8);
380 clk
[enet
] = imx_clk_gate2("enet", "ipg", base
+ 0x6c, 10);
381 clk
[esai
] = imx_clk_gate2("esai", "esai_podf", base
+ 0x6c, 16);
382 clk
[gpt_ipg
] = imx_clk_gate2("gpt_ipg", "ipg", base
+ 0x6c, 20);
383 clk
[gpt_ipg_per
] = imx_clk_gate2("gpt_ipg_per", "ipg_per", base
+ 0x6c, 22);
384 clk
[gpu2d_core
] = imx_clk_gate2("gpu2d_core", "gpu2d_core_podf", base
+ 0x6c, 24);
385 clk
[gpu3d_core
] = imx_clk_gate2("gpu3d_core", "gpu3d_core_podf", base
+ 0x6c, 26);
386 clk
[hdmi_iahb
] = imx_clk_gate2("hdmi_iahb", "ahb", base
+ 0x70, 0);
387 clk
[hdmi_isfr
] = imx_clk_gate2("hdmi_isfr", "pll3_pfd1_540m", base
+ 0x70, 4);
388 clk
[i2c1
] = imx_clk_gate2("i2c1", "ipg_per", base
+ 0x70, 6);
389 clk
[i2c2
] = imx_clk_gate2("i2c2", "ipg_per", base
+ 0x70, 8);
390 clk
[i2c3
] = imx_clk_gate2("i2c3", "ipg_per", base
+ 0x70, 10);
391 clk
[iim
] = imx_clk_gate2("iim", "ipg", base
+ 0x70, 12);
392 clk
[enfc
] = imx_clk_gate2("enfc", "enfc_podf", base
+ 0x70, 14);
393 clk
[ipu1
] = imx_clk_gate2("ipu1", "ipu1_podf", base
+ 0x74, 0);
394 clk
[ipu1_di0
] = imx_clk_gate2("ipu1_di0", "ipu1_di0_sel", base
+ 0x74, 2);
395 clk
[ipu1_di1
] = imx_clk_gate2("ipu1_di1", "ipu1_di1_sel", base
+ 0x74, 4);
396 clk
[ipu2
] = imx_clk_gate2("ipu2", "ipu2_podf", base
+ 0x74, 6);
397 clk
[ipu2_di0
] = imx_clk_gate2("ipu2_di0", "ipu2_di0_sel", base
+ 0x74, 8);
398 clk
[ldb_di0
] = imx_clk_gate2("ldb_di0", "ldb_di0_podf", base
+ 0x74, 12);
399 clk
[ldb_di1
] = imx_clk_gate2("ldb_di1", "ldb_di1_podf", base
+ 0x74, 14);
400 clk
[ipu2_di1
] = imx_clk_gate2("ipu2_di1", "ipu2_di1_sel", base
+ 0x74, 10);
401 clk
[hsi_tx
] = imx_clk_gate2("hsi_tx", "hsi_tx_podf", base
+ 0x74, 16);
402 clk
[mlb
] = imx_clk_gate2("mlb", "pll8_mlb", base
+ 0x74, 18);
403 clk
[mmdc_ch0_axi
] = imx_clk_gate2("mmdc_ch0_axi", "mmdc_ch0_axi_podf", base
+ 0x74, 20);
404 clk
[mmdc_ch1_axi
] = imx_clk_gate2("mmdc_ch1_axi", "mmdc_ch1_axi_podf", base
+ 0x74, 22);
405 clk
[ocram
] = imx_clk_gate2("ocram", "ahb", base
+ 0x74, 28);
406 clk
[openvg_axi
] = imx_clk_gate2("openvg_axi", "axi", base
+ 0x74, 30);
407 clk
[pcie_axi
] = imx_clk_gate2("pcie_axi", "pcie_axi_sel", base
+ 0x78, 0);
408 clk
[per1_bch
] = imx_clk_gate2("per1_bch", "usdhc3", base
+ 0x78, 12);
409 clk
[pwm1
] = imx_clk_gate2("pwm1", "ipg_per", base
+ 0x78, 16);
410 clk
[pwm2
] = imx_clk_gate2("pwm2", "ipg_per", base
+ 0x78, 18);
411 clk
[pwm3
] = imx_clk_gate2("pwm3", "ipg_per", base
+ 0x78, 20);
412 clk
[pwm4
] = imx_clk_gate2("pwm4", "ipg_per", base
+ 0x78, 22);
413 clk
[gpmi_bch_apb
] = imx_clk_gate2("gpmi_bch_apb", "usdhc3", base
+ 0x78, 24);
414 clk
[gpmi_bch
] = imx_clk_gate2("gpmi_bch", "usdhc4", base
+ 0x78, 26);
415 clk
[gpmi_io
] = imx_clk_gate2("gpmi_io", "enfc", base
+ 0x78, 28);
416 clk
[gpmi_apb
] = imx_clk_gate2("gpmi_apb", "usdhc3", base
+ 0x78, 30);
417 clk
[rom
] = imx_clk_gate2("rom", "ahb", base
+ 0x7c, 0);
418 clk
[sata
] = imx_clk_gate2("sata", "ipg", base
+ 0x7c, 4);
419 clk
[sdma
] = imx_clk_gate2("sdma", "ahb", base
+ 0x7c, 6);
420 clk
[spba
] = imx_clk_gate2("spba", "ipg", base
+ 0x7c, 12);
421 clk
[ssi1_ipg
] = imx_clk_gate2("ssi1_ipg", "ipg", base
+ 0x7c, 18);
422 clk
[ssi2_ipg
] = imx_clk_gate2("ssi2_ipg", "ipg", base
+ 0x7c, 20);
423 clk
[ssi3_ipg
] = imx_clk_gate2("ssi3_ipg", "ipg", base
+ 0x7c, 22);
424 clk
[uart_ipg
] = imx_clk_gate2("uart_ipg", "ipg", base
+ 0x7c, 24);
425 clk
[uart_serial
] = imx_clk_gate2("uart_serial", "uart_serial_podf", base
+ 0x7c, 26);
426 clk
[usboh3
] = imx_clk_gate2("usboh3", "ipg", base
+ 0x80, 0);
427 clk
[usdhc1
] = imx_clk_gate2("usdhc1", "usdhc1_podf", base
+ 0x80, 2);
428 clk
[usdhc2
] = imx_clk_gate2("usdhc2", "usdhc2_podf", base
+ 0x80, 4);
429 clk
[usdhc3
] = imx_clk_gate2("usdhc3", "usdhc3_podf", base
+ 0x80, 6);
430 clk
[usdhc4
] = imx_clk_gate2("usdhc4", "usdhc4_podf", base
+ 0x80, 8);
431 clk
[vdo_axi
] = imx_clk_gate2("vdo_axi", "vdo_axi_sel", base
+ 0x80, 12);
432 clk
[vpu_axi
] = imx_clk_gate2("vpu_axi", "vpu_axi_podf", base
+ 0x80, 14);
433 clk
[cko1
] = imx_clk_gate("cko1", "cko1_podf", base
+ 0x60, 7);
435 for (i
= 0; i
< ARRAY_SIZE(clk
); i
++)
437 pr_err("i.MX6q clk %d: register failed with %ld\n",
441 clk_data
.clk_num
= ARRAY_SIZE(clk
);
442 of_clk_add_provider(np
, of_clk_src_onecell_get
, &clk_data
);
444 clk_register_clkdev(clk
[gpt_ipg
], "ipg", "imx-gpt.0");
445 clk_register_clkdev(clk
[gpt_ipg_per
], "per", "imx-gpt.0");
446 clk_register_clkdev(clk
[twd
], NULL
, "smp_twd");
447 clk_register_clkdev(clk
[cko1_sel
], "cko1_sel", NULL
);
448 clk_register_clkdev(clk
[ahb
], "ahb", NULL
);
449 clk_register_clkdev(clk
[cko1
], "cko1", NULL
);
450 clk_register_clkdev(clk
[arm
], NULL
, "cpu0");
453 * The gpmi needs 100MHz frequency in the EDO/Sync mode,
454 * We can not get the 100MHz from the pll2_pfd0_352m.
455 * So choose pll2_pfd2_396m as enfc_sel's parent.
457 clk_set_parent(clk
[enfc_sel
], clk
[pll2_pfd2_396m
]);
459 for (i
= 0; i
< ARRAY_SIZE(clks_init_on
); i
++)
460 clk_prepare_enable(clk
[clks_init_on
[i
]]);
462 if (IS_ENABLED(CONFIG_USB_MXS_PHY
)) {
463 clk_prepare_enable(clk
[usbphy1_gate
]);
464 clk_prepare_enable(clk
[usbphy2_gate
]);
467 /* Set initial power mode */
468 imx6q_set_lpm(WAIT_CLOCKED
);
470 np
= of_find_compatible_node(NULL
, NULL
, "fsl,imx6q-gpt");
471 base
= of_iomap(np
, 0);
473 irq
= irq_of_parse_and_map(np
, 0);
474 mxc_timer_init(base
, irq
);