1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
|
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2014 Freescale Semiconductor, Inc.
*/
#include <dt-bindings/clock/imx6sl-clock.h>
#include <common.h>
#include <init.h>
#include <driver.h>
#include <linux/clk.h>
#include <io.h>
#include <of.h>
#include <linux/clkdev.h>
#include <linux/err.h>
#include <linux/clk.h>
#include <mach/imx6-regs.h>
#include <mach/revision.h>
#include <mach/imx6.h>
#include "clk.h"
#include "common.h"
static const char *step_sels[] = { "osc", "pll2_pfd2", };
static const char *pll1_sw_sels[] = { "pll1_sys", "step", };
static const char *ocram_alt_sels[] = { "pll2_pfd2", "pll3_pfd1", };
static const char *ocram_sels[] = { "periph", "ocram_alt_sels", };
static const char *pre_periph_sels[] = { "pll2_bus", "pll2_pfd2", "pll2_pfd0", "pll2_198m", };
static const char *periph_clk2_sels[] = { "pll3_usb_otg", "osc", "osc", "dummy", };
static const char *periph2_clk2_sels[] = { "pll3_usb_otg", "pll2_bus", };
static const char *periph_sels[] = { "pre_periph_sel", "periph_clk2_podf", };
static const char *periph2_sels[] = { "pre_periph2_sel", "periph2_clk2_podf", };
static const char *csi_sels[] = { "osc", "pll2_pfd2", "pll3_120m", "pll3_pfd1", };
static const char *lcdif_axi_sels[] = { "pll2_bus", "pll2_pfd2", "pll3_usb_otg", "pll3_pfd1", };
static const char *usdhc_sels[] = { "pll2_pfd2", "pll2_pfd0", };
static const char *perclk_sels[] = { "ipg", "osc", };
static const char *pxp_axi_sels[] = { "pll2_bus", "pll3_usb_otg", "pll5_video_div", "pll2_pfd0", "pll2_pfd2", "pll3_pfd3", };
static const char *epdc_axi_sels[] = { "pll2_bus", "pll3_usb_otg", "pll5_video_div", "pll2_pfd0", "pll2_pfd2", "pll3_pfd2", };
static const char *gpu2d_ovg_sels[] = { "pll3_pfd1", "pll3_usb_otg", "pll2_bus", "pll2_pfd2", };
static const char *gpu2d_sels[] = { "pll2_pfd2", "pll3_usb_otg", "pll3_pfd1", "pll2_bus", };
static const char *lcdif_pix_sels[] = { "pll2_bus", "pll3_usb_otg", "pll5_video_div", "pll2_pfd0", "pll3_pfd0", "pll3_pfd1", };
static const char *epdc_pix_sels[] = { "pll2_bus", "pll3_usb_otg", "pll5_video_div", "pll2_pfd0", "pll2_pfd1", "pll3_pfd1", };
static const char *ecspi_sels[] = { "pll3_60m", "osc", };
static const char *uart_sels[] = { "pll3_80m", "osc", };
static const char *lvds_sels[] = {
"pll1_sys", "pll2_bus", "pll2_pfd0", "pll2_pfd1", "pll2_pfd2", "dummy", "pll4_audio", "pll5_video",
"dummy", "enet_ref", "dummy", "dummy", "pll3_usb_otg", "pll7_usb_host", "pll3_pfd0", "pll3_pfd1",
"pll3_pfd2", "pll3_pfd3", "osc", "dummy", "dummy", "dummy", "dummy", "dummy",
"dummy", "dummy", "dummy", "dummy", "dummy", "dummy", "dummy", "dummy",
};
static const char *pll_bypass_src_sels[] = { "osc", "lvds1_in", };
static const char *pll1_bypass_sels[] = { "pll1", "pll1_bypass_src", };
static const char *pll2_bypass_sels[] = { "pll2", "pll2_bypass_src", };
static const char *pll3_bypass_sels[] = { "pll3", "pll3_bypass_src", };
static const char *pll4_bypass_sels[] = { "pll4", "pll4_bypass_src", };
static const char *pll5_bypass_sels[] = { "pll5", "pll5_bypass_src", };
static const char *pll6_bypass_sels[] = { "pll6", "pll6_bypass_src", };
static const char *pll7_bypass_sels[] = { "pll7", "pll7_bypass_src", };
static struct clk *clks[IMX6SL_CLK_END];
static struct clk_onecell_data clk_data;
static struct clk_div_table clk_enet_ref_table[] = {
{ .val = 0, .div = 20, },
{ .val = 1, .div = 10, },
{ .val = 2, .div = 5, },
{ .val = 3, .div = 4, },
{ }
};
static struct clk_div_table post_div_table[] = {
{ .val = 2, .div = 1, },
{ .val = 1, .div = 2, },
{ .val = 0, .div = 4, },
{ }
};
static struct clk_div_table video_div_table[] = {
{ .val = 0, .div = 1, },
{ .val = 1, .div = 2, },
{ .val = 2, .div = 1, },
{ .val = 3, .div = 4, },
{ }
};
static int imx6sl_ccm_probe(struct device_d *dev)
{
struct resource *iores;
void __iomem *base, *anatop_base, *ccm_base;
struct device_node *ccm_node = dev->device_node;
clks[IMX6SL_CLK_DUMMY] = clk_fixed("dummy", 0);
anatop_base = (void *)MX6_ANATOP_BASE_ADDR;
iores = dev_request_mem_resource(dev, 0);
if (IS_ERR(iores))
return PTR_ERR(iores);
ccm_base = IOMEM(iores->start);
base = anatop_base;
clks[IMX6SL_PLL1_BYPASS_SRC] = imx_clk_mux("pll1_bypass_src", base + 0x00, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels));
clks[IMX6SL_PLL2_BYPASS_SRC] = imx_clk_mux("pll2_bypass_src", base + 0x30, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels));
clks[IMX6SL_PLL3_BYPASS_SRC] = imx_clk_mux("pll3_bypass_src", base + 0x10, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels));
clks[IMX6SL_PLL4_BYPASS_SRC] = imx_clk_mux("pll4_bypass_src", base + 0x70, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels));
clks[IMX6SL_PLL5_BYPASS_SRC] = imx_clk_mux("pll5_bypass_src", base + 0xa0, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels));
clks[IMX6SL_PLL6_BYPASS_SRC] = imx_clk_mux("pll6_bypass_src", base + 0xe0, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels));
clks[IMX6SL_PLL7_BYPASS_SRC] = imx_clk_mux("pll7_bypass_src", base + 0x20, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels));
/* type name parent_name base div_mask */
clks[IMX6SL_CLK_PLL1] = imx_clk_pllv3(IMX_PLLV3_SYS, "pll1", "osc", base + 0x00, 0x7f);
clks[IMX6SL_CLK_PLL2] = imx_clk_pllv3(IMX_PLLV3_GENERIC, "pll2", "osc", base + 0x30, 0x1);
clks[IMX6SL_CLK_PLL3] = imx_clk_pllv3(IMX_PLLV3_USB, "pll3", "osc", base + 0x10, 0x3);
clks[IMX6SL_CLK_PLL4] = imx_clk_pllv3(IMX_PLLV3_AV, "pll4", "osc", base + 0x70, 0x7f);
clks[IMX6SL_CLK_PLL5] = imx_clk_pllv3(IMX_PLLV3_AV, "pll5", "osc", base + 0xa0, 0x7f);
clks[IMX6SL_CLK_PLL6] = imx_clk_pllv3(IMX_PLLV3_ENET, "pll6", "osc", base + 0xe0, 0x3);
clks[IMX6SL_CLK_PLL7] = imx_clk_pllv3(IMX_PLLV3_USB, "pll7", "osc", base + 0x20, 0x3);
clks[IMX6SL_PLL1_BYPASS] = imx_clk_mux_p("pll1_bypass", base + 0x00, 16, 1, pll1_bypass_sels, ARRAY_SIZE(pll1_bypass_sels));
clks[IMX6SL_PLL2_BYPASS] = imx_clk_mux_p("pll2_bypass", base + 0x30, 16, 1, pll2_bypass_sels, ARRAY_SIZE(pll2_bypass_sels));
clks[IMX6SL_PLL3_BYPASS] = imx_clk_mux_p("pll3_bypass", base + 0x10, 16, 1, pll3_bypass_sels, ARRAY_SIZE(pll3_bypass_sels));
clks[IMX6SL_PLL4_BYPASS] = imx_clk_mux_p("pll4_bypass", base + 0x70, 16, 1, pll4_bypass_sels, ARRAY_SIZE(pll4_bypass_sels));
clks[IMX6SL_PLL5_BYPASS] = imx_clk_mux_p("pll5_bypass", base + 0xa0, 16, 1, pll5_bypass_sels, ARRAY_SIZE(pll5_bypass_sels));
clks[IMX6SL_PLL6_BYPASS] = imx_clk_mux_p("pll6_bypass", base + 0xe0, 16, 1, pll6_bypass_sels, ARRAY_SIZE(pll6_bypass_sels));
clks[IMX6SL_PLL7_BYPASS] = imx_clk_mux_p("pll7_bypass", base + 0x20, 16, 1, pll7_bypass_sels, ARRAY_SIZE(pll7_bypass_sels));
/* Do not bypass PLLs initially */
clk_set_parent(clks[IMX6SL_PLL1_BYPASS], clks[IMX6SL_CLK_PLL1]);
clk_set_parent(clks[IMX6SL_PLL2_BYPASS], clks[IMX6SL_CLK_PLL2]);
clk_set_parent(clks[IMX6SL_PLL3_BYPASS], clks[IMX6SL_CLK_PLL3]);
clk_set_parent(clks[IMX6SL_PLL4_BYPASS], clks[IMX6SL_CLK_PLL4]);
clk_set_parent(clks[IMX6SL_PLL5_BYPASS], clks[IMX6SL_CLK_PLL5]);
clk_set_parent(clks[IMX6SL_PLL6_BYPASS], clks[IMX6SL_CLK_PLL6]);
clk_set_parent(clks[IMX6SL_PLL7_BYPASS], clks[IMX6SL_CLK_PLL7]);
clks[IMX6SL_CLK_PLL1_SYS] = imx_clk_gate("pll1_sys", "pll1_bypass", base + 0x00, 13);
clks[IMX6SL_CLK_PLL2_BUS] = imx_clk_gate("pll2_bus", "pll2_bypass", base + 0x30, 13);
clks[IMX6SL_CLK_PLL3_USB_OTG] = imx_clk_gate("pll3_usb_otg", "pll3_bypass", base + 0x10, 13);
clks[IMX6SL_CLK_PLL4_AUDIO] = imx_clk_gate("pll4_audio", "pll4_bypass", base + 0x70, 13);
clks[IMX6SL_CLK_PLL5_VIDEO] = imx_clk_gate("pll5_video", "pll5_bypass", base + 0xa0, 13);
clks[IMX6SL_CLK_PLL6_ENET] = imx_clk_gate("pll6_enet", "pll6_bypass", base + 0xe0, 13);
clks[IMX6SL_CLK_PLL7_USB_HOST] = imx_clk_gate("pll7_usb_host", "pll7_bypass", base + 0x20, 13);
clks[IMX6SL_CLK_LVDS1_SEL] = imx_clk_mux("lvds1_sel", base + 0x160, 0, 5, lvds_sels, ARRAY_SIZE(lvds_sels));
clks[IMX6SL_CLK_LVDS1_OUT] = imx_clk_gate_exclusive("lvds1_out", "lvds1_sel", base + 0x160, 10, BIT(12));
clks[IMX6SL_CLK_LVDS1_IN] = imx_clk_gate_exclusive("lvds1_in", "anaclk1", base + 0x160, 12, BIT(10));
/*
* usbphy1 and usbphy2 are implemented as dummy gates using reserve
* bit 20. They are used by phy driver to keep the refcount of
* parent PLL correct. usbphy1_gate and usbphy2_gate only needs to be
* turned on during boot, and software will not need to control it
* anymore after that.
*/
clks[IMX6SL_CLK_USBPHY1] = imx_clk_gate("usbphy1", "pll3_usb_otg", base + 0x10, 20);
clks[IMX6SL_CLK_USBPHY2] = imx_clk_gate("usbphy2", "pll7_usb_host", base + 0x20, 20);
clks[IMX6SL_CLK_USBPHY1_GATE] = imx_clk_gate("usbphy1_gate", "dummy", base + 0x10, 6);
clks[IMX6SL_CLK_USBPHY2_GATE] = imx_clk_gate("usbphy2_gate", "dummy", base + 0x20, 6);
/* dev name parent_name flags reg shift width div: flags, div_table lock */
clks[IMX6SL_CLK_PLL4_POST_DIV] = imx_clk_divider_table("pll4_post_div", "pll4_audio",
base + 0x70, 19, 2, post_div_table);
clks[IMX6SL_CLK_PLL4_AUDIO_DIV] = imx_clk_divider("pll4_audio_div", "pll4_post_div",
base + 0x170, 15, 1);
clks[IMX6SL_CLK_PLL5_POST_DIV] = imx_clk_divider_table("pll5_post_div", "pll5_video",
base + 0xa0, 19, 2, post_div_table);
clks[IMX6SL_CLK_PLL5_VIDEO_DIV] = imx_clk_divider_table("pll5_video_div", "pll5_post_div",
base + 0x170, 30, 2, video_div_table);
clks[IMX6SL_CLK_ENET_REF] = imx_clk_divider_table("enet_ref", "pll6_enet",
base + 0xe0, 0, 2, clk_enet_ref_table);
/* name parent_name reg idx */
clks[IMX6SL_CLK_PLL2_PFD0] = imx_clk_pfd("pll2_pfd0", "pll2_bus", base + 0x100, 0);
clks[IMX6SL_CLK_PLL2_PFD1] = imx_clk_pfd("pll2_pfd1", "pll2_bus", base + 0x100, 1);
clks[IMX6SL_CLK_PLL2_PFD2] = imx_clk_pfd("pll2_pfd2", "pll2_bus", base + 0x100, 2);
clks[IMX6SL_CLK_PLL3_PFD0] = imx_clk_pfd("pll3_pfd0", "pll3_usb_otg", base + 0xf0, 0);
clks[IMX6SL_CLK_PLL3_PFD1] = imx_clk_pfd("pll3_pfd1", "pll3_usb_otg", base + 0xf0, 1);
clks[IMX6SL_CLK_PLL3_PFD2] = imx_clk_pfd("pll3_pfd2", "pll3_usb_otg", base + 0xf0, 2);
clks[IMX6SL_CLK_PLL3_PFD3] = imx_clk_pfd("pll3_pfd3", "pll3_usb_otg", base + 0xf0, 3);
/* name parent_name mult div */
clks[IMX6SL_CLK_PLL2_198M] = imx_clk_fixed_factor("pll2_198m", "pll2_pfd2", 1, 2);
clks[IMX6SL_CLK_PLL3_120M] = imx_clk_fixed_factor("pll3_120m", "pll3_usb_otg", 1, 4);
clks[IMX6SL_CLK_PLL3_80M] = imx_clk_fixed_factor("pll3_80m", "pll3_usb_otg", 1, 6);
clks[IMX6SL_CLK_PLL3_60M] = imx_clk_fixed_factor("pll3_60m", "pll3_usb_otg", 1, 8);
base = ccm_base;
/* name reg shift width parent_names num_parents */
clks[IMX6SL_CLK_STEP] = imx_clk_mux("step", base + 0xc, 8, 1, step_sels, ARRAY_SIZE(step_sels));
clks[IMX6SL_CLK_PLL1_SW] = imx_clk_mux("pll1_sw", base + 0xc, 2, 1, pll1_sw_sels, ARRAY_SIZE(pll1_sw_sels));
clks[IMX6SL_CLK_OCRAM_ALT_SEL] = imx_clk_mux("ocram_alt_sel", base + 0x14, 7, 1, ocram_alt_sels, ARRAY_SIZE(ocram_alt_sels));
clks[IMX6SL_CLK_OCRAM_SEL] = imx_clk_mux("ocram_sel", base + 0x14, 6, 1, ocram_sels, ARRAY_SIZE(ocram_sels));
clks[IMX6SL_CLK_PRE_PERIPH2_SEL] = imx_clk_mux("pre_periph2_sel", base + 0x18, 21, 2, pre_periph_sels, ARRAY_SIZE(pre_periph_sels));
clks[IMX6SL_CLK_PRE_PERIPH_SEL] = imx_clk_mux("pre_periph_sel", base + 0x18, 18, 2, pre_periph_sels, ARRAY_SIZE(pre_periph_sels));
clks[IMX6SL_CLK_PERIPH2_CLK2_SEL] = imx_clk_mux("periph2_clk2_sel", base + 0x18, 20, 1, periph2_clk2_sels, ARRAY_SIZE(periph2_clk2_sels));
clks[IMX6SL_CLK_PERIPH_CLK2_SEL] = imx_clk_mux("periph_clk2_sel", base + 0x18, 12, 2, periph_clk2_sels, ARRAY_SIZE(periph_clk2_sels));
clks[IMX6SL_CLK_CSI_SEL] = imx_clk_mux("csi_sel", base + 0x3c, 9, 2, csi_sels, ARRAY_SIZE(csi_sels));
clks[IMX6SL_CLK_LCDIF_AXI_SEL] = imx_clk_mux("lcdif_axi_sel", base + 0x3c, 14, 2, lcdif_axi_sels, ARRAY_SIZE(lcdif_axi_sels));
clks[IMX6SL_CLK_USDHC1_SEL] = imx_clk_mux("usdhc1_sel", base + 0x1c, 16, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels));
clks[IMX6SL_CLK_USDHC2_SEL] = imx_clk_mux("usdhc2_sel", base + 0x1c, 17, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels));
clks[IMX6SL_CLK_USDHC3_SEL] = imx_clk_mux("usdhc3_sel", base + 0x1c, 18, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels));
clks[IMX6SL_CLK_USDHC4_SEL] = imx_clk_mux("usdhc4_sel", base + 0x1c, 19, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels));
clks[IMX6SL_CLK_PERCLK_SEL] = imx_clk_mux("perclk_sel", base + 0x1c, 6, 1, perclk_sels, ARRAY_SIZE(perclk_sels));
clks[IMX6SL_CLK_PXP_AXI_SEL] = imx_clk_mux("pxp_axi_sel", base + 0x34, 6, 3, pxp_axi_sels, ARRAY_SIZE(pxp_axi_sels));
clks[IMX6SL_CLK_EPDC_AXI_SEL] = imx_clk_mux("epdc_axi_sel", base + 0x34, 15, 3, epdc_axi_sels, ARRAY_SIZE(epdc_axi_sels));
clks[IMX6SL_CLK_GPU2D_OVG_SEL] = imx_clk_mux("gpu2d_ovg_sel", base + 0x18, 4, 2, gpu2d_ovg_sels, ARRAY_SIZE(gpu2d_ovg_sels));
clks[IMX6SL_CLK_GPU2D_SEL] = imx_clk_mux("gpu2d_sel", base + 0x18, 8, 2, gpu2d_sels, ARRAY_SIZE(gpu2d_sels));
clks[IMX6SL_CLK_LCDIF_PIX_SEL] = imx_clk_mux("lcdif_pix_sel", base + 0x38, 6, 3, lcdif_pix_sels, ARRAY_SIZE(lcdif_pix_sels));
clks[IMX6SL_CLK_EPDC_PIX_SEL] = imx_clk_mux("epdc_pix_sel", base + 0x38, 15, 3, epdc_pix_sels, ARRAY_SIZE(epdc_pix_sels));
clks[IMX6SL_CLK_ECSPI_SEL] = imx_clk_mux("ecspi_sel", base + 0x38, 18, 1, ecspi_sels, ARRAY_SIZE(ecspi_sels));
clks[IMX6SL_CLK_UART_SEL] = imx_clk_mux("uart_sel", base + 0x24, 6, 1, uart_sels, ARRAY_SIZE(uart_sels));
/* name reg shift width busy: reg, shift parent_names num_parents */
clks[IMX6SL_CLK_PERIPH] = imx_clk_busy_mux("periph", base + 0x14, 25, 1, base + 0x48, 5, periph_sels, ARRAY_SIZE(periph_sels));
clks[IMX6SL_CLK_PERIPH2] = imx_clk_busy_mux("periph2", base + 0x14, 26, 1, base + 0x48, 3, periph2_sels, ARRAY_SIZE(periph2_sels));
/* name parent_name reg shift width */
clks[IMX6SL_CLK_OCRAM_PODF] = imx_clk_divider("ocram_podf", "ocram_sel", base + 0x14, 16, 3);
clks[IMX6SL_CLK_PERIPH_CLK2_PODF] = imx_clk_divider("periph_clk2_podf", "periph_clk2_sel", base + 0x14, 27, 3);
clks[IMX6SL_CLK_PERIPH2_CLK2_PODF] = imx_clk_divider("periph2_clk2_podf", "periph2_clk2_sel", base + 0x14, 0, 3);
clks[IMX6SL_CLK_IPG] = imx_clk_divider("ipg", "ahb", base + 0x14, 8, 2);
clks[IMX6SL_CLK_CSI_PODF] = imx_clk_divider("csi_podf", "csi_sel", base + 0x3c, 11, 3);
clks[IMX6SL_CLK_LCDIF_AXI_PODF] = imx_clk_divider("lcdif_axi_podf", "lcdif_axi_sel", base + 0x3c, 16, 3);
clks[IMX6SL_CLK_USDHC1_PODF] = imx_clk_divider("usdhc1_podf", "usdhc1_sel", base + 0x24, 11, 3);
clks[IMX6SL_CLK_USDHC2_PODF] = imx_clk_divider("usdhc2_podf", "usdhc2_sel", base + 0x24, 16, 3);
clks[IMX6SL_CLK_USDHC3_PODF] = imx_clk_divider("usdhc3_podf", "usdhc3_sel", base + 0x24, 19, 3);
clks[IMX6SL_CLK_USDHC4_PODF] = imx_clk_divider("usdhc4_podf", "usdhc4_sel", base + 0x24, 22, 3);
clks[IMX6SL_CLK_PERCLK] = imx_clk_divider("perclk", "perclk_sel", base + 0x1c, 0, 6);
clks[IMX6SL_CLK_PXP_AXI_PODF] = imx_clk_divider("pxp_axi_podf", "pxp_axi_sel", base + 0x34, 3, 3);
clks[IMX6SL_CLK_EPDC_AXI_PODF] = imx_clk_divider("epdc_axi_podf", "epdc_axi_sel", base + 0x34, 12, 3);
clks[IMX6SL_CLK_GPU2D_OVG_PODF] = imx_clk_divider("gpu2d_ovg_podf", "gpu2d_ovg_sel", base + 0x18, 26, 3);
clks[IMX6SL_CLK_GPU2D_PODF] = imx_clk_divider("gpu2d_podf", "gpu2d_sel", base + 0x18, 29, 3);
clks[IMX6SL_CLK_LCDIF_PIX_PRED] = imx_clk_divider("lcdif_pix_pred", "lcdif_pix_sel", base + 0x38, 3, 3);
clks[IMX6SL_CLK_EPDC_PIX_PRED] = imx_clk_divider("epdc_pix_pred", "epdc_pix_sel", base + 0x38, 12, 3);
clks[IMX6SL_CLK_LCDIF_PIX_PODF] = imx_clk_divider("lcdif_pix_podf", "lcdif_pix_pred", base + 0x1c, 20, 3);
clks[IMX6SL_CLK_EPDC_PIX_PODF] = imx_clk_divider("epdc_pix_podf", "epdc_pix_pred", base + 0x18, 23, 3);
clks[IMX6SL_CLK_ECSPI_ROOT] = imx_clk_divider("ecspi_root", "ecspi_sel", base + 0x38, 19, 6);
clks[IMX6SL_CLK_UART_ROOT] = imx_clk_divider("uart_root", "uart_sel", base + 0x24, 0, 6);
/* name parent_name reg shift width busy: reg, shift */
clks[IMX6SL_CLK_AHB] = imx_clk_busy_divider("ahb", "periph", base + 0x14, 10, 3, base + 0x48, 1);
clks[IMX6SL_CLK_MMDC_ROOT] = imx_clk_busy_divider("mmdc", "periph2", base + 0x14, 3, 3, base + 0x48, 2);
clks[IMX6SL_CLK_ARM] = imx_clk_busy_divider("arm", "pll1_sw", base + 0x10, 0, 3, base + 0x48, 16);
/* name parent_name reg shift */
clks[IMX6SL_CLK_ECSPI1] = imx_clk_gate2("ecspi1", "ecspi_root", base + 0x6c, 0);
clks[IMX6SL_CLK_ECSPI2] = imx_clk_gate2("ecspi2", "ecspi_root", base + 0x6c, 2);
clks[IMX6SL_CLK_ECSPI3] = imx_clk_gate2("ecspi3", "ecspi_root", base + 0x6c, 4);
clks[IMX6SL_CLK_ECSPI4] = imx_clk_gate2("ecspi4", "ecspi_root", base + 0x6c, 6);
clks[IMX6SL_CLK_ENET] = imx_clk_gate2("enet", "ipg", base + 0x6c, 10);
clks[IMX6SL_CLK_EPIT1] = imx_clk_gate2("epit1", "perclk", base + 0x6c, 12);
clks[IMX6SL_CLK_EPIT2] = imx_clk_gate2("epit2", "perclk", base + 0x6c, 14);
clks[IMX6SL_CLK_GPT] = imx_clk_gate2("gpt", "perclk", base + 0x6c, 20);
clks[IMX6SL_CLK_GPT_SERIAL] = imx_clk_gate2("gpt_serial", "perclk", base + 0x6c, 22);
clks[IMX6SL_CLK_GPU2D_OVG] = imx_clk_gate2("gpu2d_ovg", "gpu2d_ovg_podf", base + 0x6c, 26);
clks[IMX6SL_CLK_I2C1] = imx_clk_gate2("i2c1", "perclk", base + 0x70, 6);
clks[IMX6SL_CLK_I2C2] = imx_clk_gate2("i2c2", "perclk", base + 0x70, 8);
clks[IMX6SL_CLK_I2C3] = imx_clk_gate2("i2c3", "perclk", base + 0x70, 10);
clks[IMX6SL_CLK_OCOTP] = imx_clk_gate2("ocotp", "ipg", base + 0x70, 12);
clks[IMX6SL_CLK_CSI] = imx_clk_gate2("csi", "csi_podf", base + 0x74, 0);
clks[IMX6SL_CLK_PXP_AXI] = imx_clk_gate2("pxp_axi", "pxp_axi_podf", base + 0x74, 2);
clks[IMX6SL_CLK_EPDC_AXI] = imx_clk_gate2("epdc_axi", "epdc_axi_podf", base + 0x74, 4);
clks[IMX6SL_CLK_LCDIF_AXI] = imx_clk_gate2("lcdif_axi", "lcdif_axi_podf", base + 0x74, 6);
clks[IMX6SL_CLK_LCDIF_PIX] = imx_clk_gate2("lcdif_pix", "lcdif_pix_podf", base + 0x74, 8);
clks[IMX6SL_CLK_EPDC_PIX] = imx_clk_gate2("epdc_pix", "epdc_pix_podf", base + 0x74, 10);
clks[IMX6SL_CLK_OCRAM] = imx_clk_gate2("ocram", "ocram_podf", base + 0x74, 28);
clks[IMX6SL_CLK_PWM1] = imx_clk_gate2("pwm1", "perclk", base + 0x78, 16);
clks[IMX6SL_CLK_PWM2] = imx_clk_gate2("pwm2", "perclk", base + 0x78, 18);
clks[IMX6SL_CLK_PWM3] = imx_clk_gate2("pwm3", "perclk", base + 0x78, 20);
clks[IMX6SL_CLK_PWM4] = imx_clk_gate2("pwm4", "perclk", base + 0x78, 22);
clks[IMX6SL_CLK_SDMA] = imx_clk_gate2("sdma", "ipg", base + 0x7c, 6);
clks[IMX6SL_CLK_SPBA] = imx_clk_gate2("spba", "ipg", base + 0x7c, 12);
clks[IMX6SL_CLK_UART] = imx_clk_gate2("uart", "ipg", base + 0x7c, 24);
clks[IMX6SL_CLK_UART_SERIAL] = imx_clk_gate2("uart_serial", "uart_root", base + 0x7c, 26);
clks[IMX6SL_CLK_USBOH3] = imx_clk_gate2("usboh3", "ipg", base + 0x80, 0);
clks[IMX6SL_CLK_USDHC1] = imx_clk_gate2("usdhc1", "usdhc1_podf", base + 0x80, 2);
clks[IMX6SL_CLK_USDHC2] = imx_clk_gate2("usdhc2", "usdhc2_podf", base + 0x80, 4);
clks[IMX6SL_CLK_USDHC3] = imx_clk_gate2("usdhc3", "usdhc3_podf", base + 0x80, 6);
clks[IMX6SL_CLK_USDHC4] = imx_clk_gate2("usdhc4", "usdhc4_podf", base + 0x80, 8);
clk_data.clks = clks;
clk_data.clk_num = ARRAY_SIZE(clks);
of_clk_add_provider(ccm_node, of_clk_src_onecell_get, &clk_data);
if (IS_ENABLED(CONFIG_USB_IMX_PHY)) {
clk_enable(clks[IMX6SL_CLK_USBPHY1_GATE]);
clk_enable(clks[IMX6SL_CLK_USBPHY2_GATE]);
}
return 0;
};
static int imx6sl_clocks_init(void)
{
if (!of_machine_is_compatible("fsl,imx6sl"))
return 0;
/* Ensure the AHB clk is at 132MHz. */
clk_set_rate(clks[IMX6SL_CLK_AHB], 132000000);
return 0;
}
coredevice_initcall(imx6sl_clocks_init);
static __maybe_unused struct of_device_id imx6sl_ccm_dt_ids[] = {
{
.compatible = "fsl,imx6sl-ccm",
}, {
/* sentinel */
}
};
static struct driver_d imx6sl_ccm_driver = {
.probe = imx6sl_ccm_probe,
.name = "imx6-ccm",
.of_compatible = DRV_OF_COMPAT(imx6sl_ccm_dt_ids),
};
static int imx6sl_ccm_init(void)
{
return platform_driver_register(&imx6sl_ccm_driver);
}
core_initcall(imx6sl_ccm_init);
|
