1 /*
2  * Copyright (c) 2013 Samsung Electronics Co., Ltd.
3  * Copyright (c) 2013 Linaro Ltd.
4  * Author: Thomas Abraham <thomas.ab@samsung.com>
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  *
10  * Common Clock Framework support for all Exynos4 SoCs.
11 */
12 
13 #include <linux/clk.h>
14 #include <linux/clkdev.h>
15 #include <linux/clk-provider.h>
16 #include <linux/of.h>
17 #include <linux/of_address.h>
18 
19 #include "clk.h"
20 #include "clk-pll.h"
21 
22 /* Exynos4 clock controller register offsets */
23 #define SRC_LEFTBUS		0x4200
24 #define DIV_LEFTBUS		0x4500
25 #define GATE_IP_LEFTBUS		0x4800
26 #define E4X12_GATE_IP_IMAGE	0x4930
27 #define SRC_RIGHTBUS		0x8200
28 #define DIV_RIGHTBUS		0x8500
29 #define GATE_IP_RIGHTBUS	0x8800
30 #define E4X12_GATE_IP_PERIR	0x8960
31 #define EPLL_LOCK		0xc010
32 #define VPLL_LOCK		0xc020
33 #define EPLL_CON0		0xc110
34 #define EPLL_CON1		0xc114
35 #define EPLL_CON2		0xc118
36 #define VPLL_CON0		0xc120
37 #define VPLL_CON1		0xc124
38 #define VPLL_CON2		0xc128
39 #define SRC_TOP0		0xc210
40 #define SRC_TOP1		0xc214
41 #define SRC_CAM			0xc220
42 #define SRC_TV			0xc224
43 #define SRC_MFC			0xcc28
44 #define SRC_G3D			0xc22c
45 #define E4210_SRC_IMAGE		0xc230
46 #define SRC_LCD0		0xc234
47 #define E4210_SRC_LCD1		0xc238
48 #define E4X12_SRC_ISP		0xc238
49 #define SRC_MAUDIO		0xc23c
50 #define SRC_FSYS		0xc240
51 #define SRC_PERIL0		0xc250
52 #define SRC_PERIL1		0xc254
53 #define E4X12_SRC_CAM1		0xc258
54 #define SRC_MASK_TOP		0xc310
55 #define SRC_MASK_CAM		0xc320
56 #define SRC_MASK_TV		0xc324
57 #define SRC_MASK_LCD0		0xc334
58 #define E4210_SRC_MASK_LCD1	0xc338
59 #define E4X12_SRC_MASK_ISP	0xc338
60 #define SRC_MASK_MAUDIO		0xc33c
61 #define SRC_MASK_FSYS		0xc340
62 #define SRC_MASK_PERIL0		0xc350
63 #define SRC_MASK_PERIL1		0xc354
64 #define DIV_TOP			0xc510
65 #define DIV_CAM			0xc520
66 #define DIV_TV			0xc524
67 #define DIV_MFC			0xc528
68 #define DIV_G3D			0xc52c
69 #define DIV_IMAGE		0xc530
70 #define DIV_LCD0		0xc534
71 #define E4210_DIV_LCD1		0xc538
72 #define E4X12_DIV_ISP		0xc538
73 #define DIV_MAUDIO		0xc53c
74 #define DIV_FSYS0		0xc540
75 #define DIV_FSYS1		0xc544
76 #define DIV_FSYS2		0xc548
77 #define DIV_FSYS3		0xc54c
78 #define DIV_PERIL0		0xc550
79 #define DIV_PERIL1		0xc554
80 #define DIV_PERIL2		0xc558
81 #define DIV_PERIL3		0xc55c
82 #define DIV_PERIL4		0xc560
83 #define DIV_PERIL5		0xc564
84 #define E4X12_DIV_CAM1		0xc568
85 #define GATE_SCLK_CAM		0xc820
86 #define GATE_IP_CAM		0xc920
87 #define GATE_IP_TV		0xc924
88 #define GATE_IP_MFC		0xc928
89 #define GATE_IP_G3D		0xc92c
90 #define E4210_GATE_IP_IMAGE	0xc930
91 #define GATE_IP_LCD0		0xc934
92 #define E4210_GATE_IP_LCD1	0xc938
93 #define E4X12_GATE_IP_ISP	0xc938
94 #define E4X12_GATE_IP_MAUDIO	0xc93c
95 #define GATE_IP_FSYS		0xc940
96 #define GATE_IP_GPS		0xc94c
97 #define GATE_IP_PERIL		0xc950
98 #define E4210_GATE_IP_PERIR	0xc960
99 #define GATE_BLOCK		0xc970
100 #define E4X12_MPLL_CON0		0x10108
101 #define SRC_DMC			0x10200
102 #define SRC_MASK_DMC		0x10300
103 #define DIV_DMC0		0x10500
104 #define DIV_DMC1		0x10504
105 #define GATE_IP_DMC		0x10900
106 #define APLL_CON0		0x14100
107 #define E4210_MPLL_CON0		0x14108
108 #define SRC_CPU			0x14200
109 #define DIV_CPU0		0x14500
110 #define DIV_CPU1		0x14504
111 #define GATE_SCLK_CPU		0x14800
112 #define GATE_IP_CPU		0x14900
113 #define E4X12_DIV_ISP0		0x18300
114 #define E4X12_DIV_ISP1		0x18304
115 #define E4X12_GATE_ISP0		0x18800
116 #define E4X12_GATE_ISP1		0x18804
117 
118 /* the exynos4 soc type */
119 enum exynos4_soc {
120 	EXYNOS4210,
121 	EXYNOS4X12,
122 };
123 
124 /*
125  * Let each supported clock get a unique id. This id is used to lookup the clock
126  * for device tree based platforms. The clocks are categorized into three
127  * sections: core, sclk gate and bus interface gate clocks.
128  *
129  * When adding a new clock to this list, it is advised to choose a clock
130  * category and add it to the end of that category. That is because the the
131  * device tree source file is referring to these ids and any change in the
132  * sequence number of existing clocks will require corresponding change in the
133  * device tree files. This limitation would go away when pre-processor support
134  * for dtc would be available.
135  */
136 enum exynos4_clks {
137 	none,
138 
139 	/* core clocks */
140 	xxti, xusbxti, fin_pll, fout_apll, fout_mpll, fout_epll, fout_vpll,
141 	sclk_apll, sclk_mpll, sclk_epll, sclk_vpll, arm_clk, aclk200, aclk100,
142 	aclk160, aclk133, mout_mpll_user_t, mout_mpll_user_c, mout_core,
143 	mout_apll, /* 20 */
144 
145 	/* gate for special clocks (sclk) */
146 	sclk_fimc0 = 128, sclk_fimc1, sclk_fimc2, sclk_fimc3, sclk_cam0,
147 	sclk_cam1, sclk_csis0, sclk_csis1, sclk_hdmi, sclk_mixer, sclk_dac,
148 	sclk_pixel, sclk_fimd0, sclk_mdnie0, sclk_mdnie_pwm0, sclk_mipi0,
149 	sclk_audio0, sclk_mmc0, sclk_mmc1, sclk_mmc2, sclk_mmc3, sclk_mmc4,
150 	sclk_sata, sclk_uart0, sclk_uart1, sclk_uart2, sclk_uart3, sclk_uart4,
151 	sclk_audio1, sclk_audio2, sclk_spdif, sclk_spi0, sclk_spi1, sclk_spi2,
152 	sclk_slimbus, sclk_fimd1, sclk_mipi1, sclk_pcm1, sclk_pcm2, sclk_i2s1,
153 	sclk_i2s2, sclk_mipihsi, sclk_mfc, sclk_pcm0, sclk_g3d, sclk_pwm_isp,
154 	sclk_spi0_isp, sclk_spi1_isp, sclk_uart_isp, sclk_fimg2d,
155 
156 	/* gate clocks */
157 	fimc0 = 256, fimc1, fimc2, fimc3, csis0, csis1, jpeg, smmu_fimc0,
158 	smmu_fimc1, smmu_fimc2, smmu_fimc3, smmu_jpeg, vp, mixer, tvenc, hdmi,
159 	smmu_tv, mfc, smmu_mfcl, smmu_mfcr, g3d, g2d, rotator, mdma, smmu_g2d,
160 	smmu_rotator, smmu_mdma, fimd0, mie0, mdnie0, dsim0, smmu_fimd0, fimd1,
161 	mie1, dsim1, smmu_fimd1, pdma0, pdma1, pcie_phy, sata_phy, tsi, sdmmc0,
162 	sdmmc1, sdmmc2, sdmmc3, sdmmc4, sata, sromc, usb_host, usb_device, pcie,
163 	onenand, nfcon, smmu_pcie, gps, smmu_gps, uart0, uart1, uart2, uart3,
164 	uart4, i2c0, i2c1, i2c2, i2c3, i2c4, i2c5, i2c6, i2c7, i2c_hdmi, tsadc,
165 	spi0, spi1, spi2, i2s1, i2s2, pcm0, i2s0, pcm1, pcm2, pwm, slimbus,
166 	spdif, ac97, modemif, chipid, sysreg, hdmi_cec, mct, wdt, rtc, keyif,
167 	audss, mipi_hsi, mdma2, pixelasyncm0, pixelasyncm1, fimc_lite0,
168 	fimc_lite1, ppmuispx, ppmuispmx, fimc_isp, fimc_drc, fimc_fd, mcuisp,
169 	gicisp, smmu_isp, smmu_drc, smmu_fd, smmu_lite0, smmu_lite1, mcuctl_isp,
170 	mpwm_isp, i2c0_isp, i2c1_isp, mtcadc_isp, pwm_isp, wdt_isp, uart_isp,
171 	asyncaxim, smmu_ispcx, spi0_isp, spi1_isp, pwm_isp_sclk, spi0_isp_sclk,
172 	spi1_isp_sclk, uart_isp_sclk,
173 
174 	/* mux clocks */
175 	mout_fimc0 = 384, mout_fimc1, mout_fimc2, mout_fimc3, mout_cam0,
176 	mout_cam1, mout_csis0, mout_csis1, mout_g3d0, mout_g3d1, mout_g3d,
177 	aclk400_mcuisp,
178 
179 	/* div clocks */
180 	div_isp0 = 450, div_isp1, div_mcuisp0, div_mcuisp1, div_aclk200,
181 	div_aclk400_mcuisp,
182 
183 	nr_clks,
184 };
185 
186 /*
187  * list of controller registers to be saved and restored during a
188  * suspend/resume cycle.
189  */
190 static __initdata unsigned long exynos4210_clk_save[] = {
191 	E4210_SRC_IMAGE,
192 	E4210_SRC_LCD1,
193 	E4210_SRC_MASK_LCD1,
194 	E4210_DIV_LCD1,
195 	E4210_GATE_IP_IMAGE,
196 	E4210_GATE_IP_LCD1,
197 	E4210_GATE_IP_PERIR,
198 	E4210_MPLL_CON0,
199 };
200 
201 static __initdata unsigned long exynos4x12_clk_save[] = {
202 	E4X12_GATE_IP_IMAGE,
203 	E4X12_GATE_IP_PERIR,
204 	E4X12_SRC_CAM1,
205 	E4X12_DIV_ISP,
206 	E4X12_DIV_CAM1,
207 	E4X12_MPLL_CON0,
208 };
209 
210 static __initdata unsigned long exynos4_clk_regs[] = {
211 	SRC_LEFTBUS,
212 	DIV_LEFTBUS,
213 	GATE_IP_LEFTBUS,
214 	SRC_RIGHTBUS,
215 	DIV_RIGHTBUS,
216 	GATE_IP_RIGHTBUS,
217 	EPLL_CON0,
218 	EPLL_CON1,
219 	EPLL_CON2,
220 	VPLL_CON0,
221 	VPLL_CON1,
222 	VPLL_CON2,
223 	SRC_TOP0,
224 	SRC_TOP1,
225 	SRC_CAM,
226 	SRC_TV,
227 	SRC_MFC,
228 	SRC_G3D,
229 	SRC_LCD0,
230 	SRC_MAUDIO,
231 	SRC_FSYS,
232 	SRC_PERIL0,
233 	SRC_PERIL1,
234 	SRC_MASK_TOP,
235 	SRC_MASK_CAM,
236 	SRC_MASK_TV,
237 	SRC_MASK_LCD0,
238 	SRC_MASK_MAUDIO,
239 	SRC_MASK_FSYS,
240 	SRC_MASK_PERIL0,
241 	SRC_MASK_PERIL1,
242 	DIV_TOP,
243 	DIV_CAM,
244 	DIV_TV,
245 	DIV_MFC,
246 	DIV_G3D,
247 	DIV_IMAGE,
248 	DIV_LCD0,
249 	DIV_MAUDIO,
250 	DIV_FSYS0,
251 	DIV_FSYS1,
252 	DIV_FSYS2,
253 	DIV_FSYS3,
254 	DIV_PERIL0,
255 	DIV_PERIL1,
256 	DIV_PERIL2,
257 	DIV_PERIL3,
258 	DIV_PERIL4,
259 	DIV_PERIL5,
260 	GATE_SCLK_CAM,
261 	GATE_IP_CAM,
262 	GATE_IP_TV,
263 	GATE_IP_MFC,
264 	GATE_IP_G3D,
265 	GATE_IP_LCD0,
266 	GATE_IP_FSYS,
267 	GATE_IP_GPS,
268 	GATE_IP_PERIL,
269 	GATE_BLOCK,
270 	SRC_MASK_DMC,
271 	SRC_DMC,
272 	DIV_DMC0,
273 	DIV_DMC1,
274 	GATE_IP_DMC,
275 	APLL_CON0,
276 	SRC_CPU,
277 	DIV_CPU0,
278 	DIV_CPU1,
279 	GATE_SCLK_CPU,
280 	GATE_IP_CPU,
281 };
282 
283 /* list of all parent clock list */
284 PNAME(mout_apll_p)	= { "fin_pll", "fout_apll", };
285 PNAME(mout_mpll_p)	= { "fin_pll", "fout_mpll", };
286 PNAME(mout_epll_p)	= { "fin_pll", "fout_epll", };
287 PNAME(mout_vpllsrc_p)	= { "fin_pll", "sclk_hdmi24m", };
288 PNAME(mout_vpll_p)	= { "fin_pll", "fout_vpll", };
289 PNAME(sclk_evpll_p)	= { "sclk_epll", "sclk_vpll", };
290 PNAME(mout_mfc_p)	= { "mout_mfc0", "mout_mfc1", };
291 PNAME(mout_g3d_p)	= { "mout_g3d0", "mout_g3d1", };
292 PNAME(mout_g2d_p)	= { "mout_g2d0", "mout_g2d1", };
293 PNAME(mout_hdmi_p)	= { "sclk_pixel", "sclk_hdmiphy", };
294 PNAME(mout_jpeg_p)	= { "mout_jpeg0", "mout_jpeg1", };
295 PNAME(mout_spdif_p)	= { "sclk_audio0", "sclk_audio1", "sclk_audio2",
296 				"spdif_extclk", };
297 PNAME(mout_onenand_p)  = {"aclk133", "aclk160", };
298 PNAME(mout_onenand1_p) = {"mout_onenand", "sclk_vpll", };
299 
300 /* Exynos 4210-specific parent groups */
301 PNAME(sclk_vpll_p4210)	= { "mout_vpllsrc", "fout_vpll", };
302 PNAME(mout_core_p4210)	= { "mout_apll", "sclk_mpll", };
303 PNAME(sclk_ampll_p4210)	= { "sclk_mpll", "sclk_apll", };
304 PNAME(group1_p4210)	= { "xxti", "xusbxti", "sclk_hdmi24m",
305 				"sclk_usbphy0", "none",	"sclk_hdmiphy",
306 				"sclk_mpll", "sclk_epll", "sclk_vpll", };
307 PNAME(mout_audio0_p4210) = { "cdclk0", "none", "sclk_hdmi24m",
308 				"sclk_usbphy0", "xxti", "xusbxti", "sclk_mpll",
309 				"sclk_epll", "sclk_vpll" };
310 PNAME(mout_audio1_p4210) = { "cdclk1", "none", "sclk_hdmi24m",
311 				"sclk_usbphy0", "xxti", "xusbxti", "sclk_mpll",
312 				"sclk_epll", "sclk_vpll", };
313 PNAME(mout_audio2_p4210) = { "cdclk2", "none", "sclk_hdmi24m",
314 				"sclk_usbphy0", "xxti", "xusbxti", "sclk_mpll",
315 				"sclk_epll", "sclk_vpll", };
316 PNAME(mout_mixer_p4210)	= { "sclk_dac", "sclk_hdmi", };
317 PNAME(mout_dac_p4210)	= { "sclk_vpll", "sclk_hdmiphy", };
318 
319 /* Exynos 4x12-specific parent groups */
320 PNAME(mout_mpll_user_p4x12) = { "fin_pll", "sclk_mpll", };
321 PNAME(mout_core_p4x12)	= { "mout_apll", "mout_mpll_user_c", };
322 PNAME(sclk_ampll_p4x12)	= { "mout_mpll_user_t", "sclk_apll", };
323 PNAME(group1_p4x12)	= { "xxti", "xusbxti", "sclk_hdmi24m", "sclk_usbphy0",
324 				"none",	"sclk_hdmiphy", "mout_mpll_user_t",
325 				"sclk_epll", "sclk_vpll", };
326 PNAME(mout_audio0_p4x12) = { "cdclk0", "none", "sclk_hdmi24m",
327 				"sclk_usbphy0", "xxti", "xusbxti",
328 				"mout_mpll_user_t", "sclk_epll", "sclk_vpll" };
329 PNAME(mout_audio1_p4x12) = { "cdclk1", "none", "sclk_hdmi24m",
330 				"sclk_usbphy0", "xxti", "xusbxti",
331 				"mout_mpll_user_t", "sclk_epll", "sclk_vpll", };
332 PNAME(mout_audio2_p4x12) = { "cdclk2", "none", "sclk_hdmi24m",
333 				"sclk_usbphy0", "xxti", "xusbxti",
334 				"mout_mpll_user_t", "sclk_epll", "sclk_vpll", };
335 PNAME(aclk_p4412)	= { "mout_mpll_user_t", "sclk_apll", };
336 PNAME(mout_user_aclk400_mcuisp_p4x12) = {"fin_pll", "div_aclk400_mcuisp", };
337 PNAME(mout_user_aclk200_p4x12) = {"fin_pll", "div_aclk200", };
338 PNAME(mout_user_aclk266_gps_p4x12) = {"fin_pll", "div_aclk266_gps", };
339 
340 /* fixed rate clocks generated outside the soc */
341 struct samsung_fixed_rate_clock exynos4_fixed_rate_ext_clks[] __initdata = {
342 	FRATE(xxti, "xxti", NULL, CLK_IS_ROOT, 0),
343 	FRATE(xusbxti, "xusbxti", NULL, CLK_IS_ROOT, 0),
344 };
345 
346 /* fixed rate clocks generated inside the soc */
347 struct samsung_fixed_rate_clock exynos4_fixed_rate_clks[] __initdata = {
348 	FRATE(none, "sclk_hdmi24m", NULL, CLK_IS_ROOT, 24000000),
349 	FRATE(none, "sclk_hdmiphy", NULL, CLK_IS_ROOT, 27000000),
350 	FRATE(none, "sclk_usbphy0", NULL, CLK_IS_ROOT, 48000000),
351 };
352 
353 struct samsung_fixed_rate_clock exynos4210_fixed_rate_clks[] __initdata = {
354 	FRATE(none, "sclk_usbphy1", NULL, CLK_IS_ROOT, 48000000),
355 };
356 
357 /* list of mux clocks supported in all exynos4 soc's */
358 struct samsung_mux_clock exynos4_mux_clks[] __initdata = {
359 	MUX_FA(mout_apll, "mout_apll", mout_apll_p, SRC_CPU, 0, 1,
360 			CLK_SET_RATE_PARENT, 0, "mout_apll"),
361 	MUX(none, "mout_hdmi", mout_hdmi_p, SRC_TV, 0, 1),
362 	MUX(none, "mout_mfc1", sclk_evpll_p, SRC_MFC, 4, 1),
363 	MUX(none, "mout_mfc", mout_mfc_p, SRC_MFC, 8, 1),
364 	MUX_F(mout_g3d1, "mout_g3d1", sclk_evpll_p, SRC_G3D, 4, 1,
365 			CLK_SET_RATE_PARENT, 0),
366 	MUX_F(mout_g3d, "mout_g3d", mout_g3d_p, SRC_G3D, 8, 1,
367 			CLK_SET_RATE_PARENT, 0),
368 	MUX(none, "mout_spdif", mout_spdif_p, SRC_PERIL1, 8, 2),
369 	MUX(none, "mout_onenand1", mout_onenand1_p, SRC_TOP0, 0, 1),
370 	MUX_A(sclk_epll, "sclk_epll", mout_epll_p, SRC_TOP0, 4, 1, "sclk_epll"),
371 	MUX(none, "mout_onenand", mout_onenand_p, SRC_TOP0, 28, 1),
372 };
373 
374 /* list of mux clocks supported in exynos4210 soc */
375 struct samsung_mux_clock exynos4210_mux_clks[] __initdata = {
376 	MUX(none, "mout_aclk200", sclk_ampll_p4210, SRC_TOP0, 12, 1),
377 	MUX(none, "mout_aclk100", sclk_ampll_p4210, SRC_TOP0, 16, 1),
378 	MUX(none, "mout_aclk160", sclk_ampll_p4210, SRC_TOP0, 20, 1),
379 	MUX(none, "mout_aclk133", sclk_ampll_p4210, SRC_TOP0, 24, 1),
380 	MUX(none, "mout_vpllsrc", mout_vpllsrc_p, SRC_TOP1, 0, 1),
381 	MUX(none, "mout_mixer", mout_mixer_p4210, SRC_TV, 4, 1),
382 	MUX(none, "mout_dac", mout_dac_p4210, SRC_TV, 8, 1),
383 	MUX(none, "mout_g2d0", sclk_ampll_p4210, E4210_SRC_IMAGE, 0, 1),
384 	MUX(none, "mout_g2d1", sclk_evpll_p, E4210_SRC_IMAGE, 4, 1),
385 	MUX(none, "mout_g2d", mout_g2d_p, E4210_SRC_IMAGE, 8, 1),
386 	MUX(none, "mout_fimd1", group1_p4210, E4210_SRC_LCD1, 0, 4),
387 	MUX(none, "mout_mipi1", group1_p4210, E4210_SRC_LCD1, 12, 4),
388 	MUX_A(sclk_mpll, "sclk_mpll", mout_mpll_p, SRC_CPU, 8, 1, "mout_mpll"),
389 	MUX_A(mout_core, "mout_core", mout_core_p4210,
390 			SRC_CPU, 16, 1, "moutcore"),
391 	MUX_A(sclk_vpll, "sclk_vpll", sclk_vpll_p4210,
392 			SRC_TOP0, 8, 1, "sclk_vpll"),
393 	MUX(mout_fimc0, "mout_fimc0", group1_p4210, SRC_CAM, 0, 4),
394 	MUX(mout_fimc1, "mout_fimc1", group1_p4210, SRC_CAM, 4, 4),
395 	MUX(mout_fimc2, "mout_fimc2", group1_p4210, SRC_CAM, 8, 4),
396 	MUX(mout_fimc3, "mout_fimc3", group1_p4210, SRC_CAM, 12, 4),
397 	MUX(mout_cam0, "mout_cam0", group1_p4210, SRC_CAM, 16, 4),
398 	MUX(mout_cam1, "mout_cam1", group1_p4210, SRC_CAM, 20, 4),
399 	MUX(mout_csis0, "mout_csis0", group1_p4210, SRC_CAM, 24, 4),
400 	MUX(mout_csis1, "mout_csis1", group1_p4210, SRC_CAM, 28, 4),
401 	MUX(none, "mout_mfc0", sclk_ampll_p4210, SRC_MFC, 0, 1),
402 	MUX_F(mout_g3d0, "mout_g3d0", sclk_ampll_p4210, SRC_G3D, 0, 1,
403 			CLK_SET_RATE_PARENT, 0),
404 	MUX(none, "mout_fimd0", group1_p4210, SRC_LCD0, 0, 4),
405 	MUX(none, "mout_mipi0", group1_p4210, SRC_LCD0, 12, 4),
406 	MUX(none, "mout_audio0", mout_audio0_p4210, SRC_MAUDIO, 0, 4),
407 	MUX(none, "mout_mmc0", group1_p4210, SRC_FSYS, 0, 4),
408 	MUX(none, "mout_mmc1", group1_p4210, SRC_FSYS, 4, 4),
409 	MUX(none, "mout_mmc2", group1_p4210, SRC_FSYS, 8, 4),
410 	MUX(none, "mout_mmc3", group1_p4210, SRC_FSYS, 12, 4),
411 	MUX(none, "mout_mmc4", group1_p4210, SRC_FSYS, 16, 4),
412 	MUX(none, "mout_sata", sclk_ampll_p4210, SRC_FSYS, 24, 1),
413 	MUX(none, "mout_uart0", group1_p4210, SRC_PERIL0, 0, 4),
414 	MUX(none, "mout_uart1", group1_p4210, SRC_PERIL0, 4, 4),
415 	MUX(none, "mout_uart2", group1_p4210, SRC_PERIL0, 8, 4),
416 	MUX(none, "mout_uart3", group1_p4210, SRC_PERIL0, 12, 4),
417 	MUX(none, "mout_uart4", group1_p4210, SRC_PERIL0, 16, 4),
418 	MUX(none, "mout_audio1", mout_audio1_p4210, SRC_PERIL1, 0, 4),
419 	MUX(none, "mout_audio2", mout_audio2_p4210, SRC_PERIL1, 4, 4),
420 	MUX(none, "mout_spi0", group1_p4210, SRC_PERIL1, 16, 4),
421 	MUX(none, "mout_spi1", group1_p4210, SRC_PERIL1, 20, 4),
422 	MUX(none, "mout_spi2", group1_p4210, SRC_PERIL1, 24, 4),
423 };
424 
425 /* list of mux clocks supported in exynos4x12 soc */
426 struct samsung_mux_clock exynos4x12_mux_clks[] __initdata = {
427 	MUX_A(mout_mpll_user_c, "mout_mpll_user_c", mout_mpll_user_p4x12,
428 			SRC_CPU, 24, 1, "mout_mpll"),
429 	MUX(none, "mout_aclk266_gps", aclk_p4412, SRC_TOP1, 4, 1),
430 	MUX(none, "mout_aclk400_mcuisp", aclk_p4412, SRC_TOP1, 8, 1),
431 	MUX(mout_mpll_user_t, "mout_mpll_user_t", mout_mpll_user_p4x12,
432 			SRC_TOP1, 12, 1),
433 	MUX(none, "mout_user_aclk266_gps", mout_user_aclk266_gps_p4x12,
434 			SRC_TOP1, 16, 1),
435 	MUX(aclk200, "aclk200", mout_user_aclk200_p4x12, SRC_TOP1, 20, 1),
436 	MUX(aclk400_mcuisp, "aclk400_mcuisp", mout_user_aclk400_mcuisp_p4x12,
437 			SRC_TOP1, 24, 1),
438 	MUX(none, "mout_aclk200", aclk_p4412, SRC_TOP0, 12, 1),
439 	MUX(none, "mout_aclk100", aclk_p4412, SRC_TOP0, 16, 1),
440 	MUX(none, "mout_aclk160", aclk_p4412, SRC_TOP0, 20, 1),
441 	MUX(none, "mout_aclk133", aclk_p4412, SRC_TOP0, 24, 1),
442 	MUX(none, "mout_mdnie0", group1_p4x12, SRC_LCD0, 4, 4),
443 	MUX(none, "mout_mdnie_pwm0", group1_p4x12, SRC_LCD0, 8, 4),
444 	MUX(none, "mout_sata", sclk_ampll_p4x12, SRC_FSYS, 24, 1),
445 	MUX(none, "mout_jpeg0", sclk_ampll_p4x12, E4X12_SRC_CAM1, 0, 1),
446 	MUX(none, "mout_jpeg1", sclk_evpll_p, E4X12_SRC_CAM1, 4, 1),
447 	MUX(none, "mout_jpeg", mout_jpeg_p, E4X12_SRC_CAM1, 8, 1),
448 	MUX_A(sclk_mpll, "sclk_mpll", mout_mpll_p,
449 			SRC_DMC, 12, 1, "sclk_mpll"),
450 	MUX_A(sclk_vpll, "sclk_vpll", mout_vpll_p,
451 			SRC_TOP0, 8, 1, "sclk_vpll"),
452 	MUX_A(mout_core, "mout_core", mout_core_p4x12,
453 			SRC_CPU, 16, 1, "moutcore"),
454 	MUX(mout_fimc0, "mout_fimc0", group1_p4x12, SRC_CAM, 0, 4),
455 	MUX(mout_fimc1, "mout_fimc1", group1_p4x12, SRC_CAM, 4, 4),
456 	MUX(mout_fimc2, "mout_fimc2", group1_p4x12, SRC_CAM, 8, 4),
457 	MUX(mout_fimc3, "mout_fimc3", group1_p4x12, SRC_CAM, 12, 4),
458 	MUX(mout_cam0, "mout_cam0", group1_p4x12, SRC_CAM, 16, 4),
459 	MUX(mout_cam1, "mout_cam1", group1_p4x12, SRC_CAM, 20, 4),
460 	MUX(mout_csis0, "mout_csis0", group1_p4x12, SRC_CAM, 24, 4),
461 	MUX(mout_csis1, "mout_csis1", group1_p4x12, SRC_CAM, 28, 4),
462 	MUX(none, "mout_mfc0", sclk_ampll_p4x12, SRC_MFC, 0, 1),
463 	MUX_F(mout_g3d0, "mout_g3d0", sclk_ampll_p4x12, SRC_G3D, 0, 1,
464 			CLK_SET_RATE_PARENT, 0),
465 	MUX(none, "mout_fimd0", group1_p4x12, SRC_LCD0, 0, 4),
466 	MUX(none, "mout_mipi0", group1_p4x12, SRC_LCD0, 12, 4),
467 	MUX(none, "mout_audio0", mout_audio0_p4x12, SRC_MAUDIO, 0, 4),
468 	MUX(none, "mout_mmc0", group1_p4x12, SRC_FSYS, 0, 4),
469 	MUX(none, "mout_mmc1", group1_p4x12, SRC_FSYS, 4, 4),
470 	MUX(none, "mout_mmc2", group1_p4x12, SRC_FSYS, 8, 4),
471 	MUX(none, "mout_mmc3", group1_p4x12, SRC_FSYS, 12, 4),
472 	MUX(none, "mout_mmc4", group1_p4x12, SRC_FSYS, 16, 4),
473 	MUX(none, "mout_mipihsi", aclk_p4412, SRC_FSYS, 24, 1),
474 	MUX(none, "mout_uart0", group1_p4x12, SRC_PERIL0, 0, 4),
475 	MUX(none, "mout_uart1", group1_p4x12, SRC_PERIL0, 4, 4),
476 	MUX(none, "mout_uart2", group1_p4x12, SRC_PERIL0, 8, 4),
477 	MUX(none, "mout_uart3", group1_p4x12, SRC_PERIL0, 12, 4),
478 	MUX(none, "mout_uart4", group1_p4x12, SRC_PERIL0, 16, 4),
479 	MUX(none, "mout_audio1", mout_audio1_p4x12, SRC_PERIL1, 0, 4),
480 	MUX(none, "mout_audio2", mout_audio2_p4x12, SRC_PERIL1, 4, 4),
481 	MUX(none, "mout_spi0", group1_p4x12, SRC_PERIL1, 16, 4),
482 	MUX(none, "mout_spi1", group1_p4x12, SRC_PERIL1, 20, 4),
483 	MUX(none, "mout_spi2", group1_p4x12, SRC_PERIL1, 24, 4),
484 	MUX(none, "mout_pwm_isp", group1_p4x12, E4X12_SRC_ISP, 0, 4),
485 	MUX(none, "mout_spi0_isp", group1_p4x12, E4X12_SRC_ISP, 4, 4),
486 	MUX(none, "mout_spi1_isp", group1_p4x12, E4X12_SRC_ISP, 8, 4),
487 	MUX(none, "mout_uart_isp", group1_p4x12, E4X12_SRC_ISP, 12, 4),
488 	MUX(none, "mout_g2d0", sclk_ampll_p4210, SRC_DMC, 20, 1),
489 	MUX(none, "mout_g2d1", sclk_evpll_p, SRC_DMC, 24, 1),
490 	MUX(none, "mout_g2d", mout_g2d_p, SRC_DMC, 28, 1),
491 };
492 
493 /* list of divider clocks supported in all exynos4 soc's */
494 struct samsung_div_clock exynos4_div_clks[] __initdata = {
495 	DIV(none, "div_core", "mout_core", DIV_CPU0, 0, 3),
496 	DIV(none, "div_core2", "div_core", DIV_CPU0, 28, 3),
497 	DIV(none, "div_fimc0", "mout_fimc0", DIV_CAM, 0, 4),
498 	DIV(none, "div_fimc1", "mout_fimc1", DIV_CAM, 4, 4),
499 	DIV(none, "div_fimc2", "mout_fimc2", DIV_CAM, 8, 4),
500 	DIV(none, "div_fimc3", "mout_fimc3", DIV_CAM, 12, 4),
501 	DIV(none, "div_cam0", "mout_cam0", DIV_CAM, 16, 4),
502 	DIV(none, "div_cam1", "mout_cam1", DIV_CAM, 20, 4),
503 	DIV(none, "div_csis0", "mout_csis0", DIV_CAM, 24, 4),
504 	DIV(none, "div_csis1", "mout_csis1", DIV_CAM, 28, 4),
505 	DIV(sclk_mfc, "sclk_mfc", "mout_mfc", DIV_MFC, 0, 4),
506 	DIV_F(none, "div_g3d", "mout_g3d", DIV_G3D, 0, 4,
507 			CLK_SET_RATE_PARENT, 0),
508 	DIV(none, "div_fimd0", "mout_fimd0", DIV_LCD0, 0, 4),
509 	DIV(none, "div_mipi0", "mout_mipi0", DIV_LCD0, 16, 4),
510 	DIV(none, "div_audio0", "mout_audio0", DIV_MAUDIO, 0, 4),
511 	DIV(sclk_pcm0, "sclk_pcm0", "sclk_audio0", DIV_MAUDIO, 4, 8),
512 	DIV(none, "div_mmc0", "mout_mmc0", DIV_FSYS1, 0, 4),
513 	DIV(none, "div_mmc1", "mout_mmc1", DIV_FSYS1, 16, 4),
514 	DIV(none, "div_mmc2", "mout_mmc2", DIV_FSYS2, 0, 4),
515 	DIV(none, "div_mmc3", "mout_mmc3", DIV_FSYS2, 16, 4),
516 	DIV(sclk_pixel, "sclk_pixel", "sclk_vpll", DIV_TV, 0, 4),
517 	DIV(aclk100, "aclk100", "mout_aclk100", DIV_TOP, 4, 4),
518 	DIV(aclk160, "aclk160", "mout_aclk160", DIV_TOP, 8, 3),
519 	DIV(aclk133, "aclk133", "mout_aclk133", DIV_TOP, 12, 3),
520 	DIV(none, "div_onenand", "mout_onenand1", DIV_TOP, 16, 3),
521 	DIV(sclk_slimbus, "sclk_slimbus", "sclk_epll", DIV_PERIL3, 4, 4),
522 	DIV(sclk_pcm1, "sclk_pcm1", "sclk_audio1", DIV_PERIL4, 4, 8),
523 	DIV(sclk_pcm2, "sclk_pcm2", "sclk_audio2", DIV_PERIL4, 20, 8),
524 	DIV(sclk_i2s1, "sclk_i2s1", "sclk_audio1", DIV_PERIL5, 0, 6),
525 	DIV(sclk_i2s2, "sclk_i2s2", "sclk_audio2", DIV_PERIL5, 8, 6),
526 	DIV(none, "div_mmc4", "mout_mmc4", DIV_FSYS3, 0, 4),
527 	DIV(none, "div_mmc_pre4", "div_mmc4", DIV_FSYS3, 8, 8),
528 	DIV(none, "div_uart0", "mout_uart0", DIV_PERIL0, 0, 4),
529 	DIV(none, "div_uart1", "mout_uart1", DIV_PERIL0, 4, 4),
530 	DIV(none, "div_uart2", "mout_uart2", DIV_PERIL0, 8, 4),
531 	DIV(none, "div_uart3", "mout_uart3", DIV_PERIL0, 12, 4),
532 	DIV(none, "div_uart4", "mout_uart4", DIV_PERIL0, 16, 4),
533 	DIV(none, "div_spi0", "mout_spi0", DIV_PERIL1, 0, 4),
534 	DIV(none, "div_spi_pre0", "div_spi0", DIV_PERIL1, 8, 8),
535 	DIV(none, "div_spi1", "mout_spi1", DIV_PERIL1, 16, 4),
536 	DIV(none, "div_spi_pre1", "div_spi1", DIV_PERIL1, 24, 8),
537 	DIV(none, "div_spi2", "mout_spi2", DIV_PERIL2, 0, 4),
538 	DIV(none, "div_spi_pre2", "div_spi2", DIV_PERIL2, 8, 8),
539 	DIV(none, "div_audio1", "mout_audio1", DIV_PERIL4, 0, 4),
540 	DIV(none, "div_audio2", "mout_audio2", DIV_PERIL4, 16, 4),
541 	DIV_A(arm_clk, "arm_clk", "div_core2", DIV_CPU0, 28, 3, "armclk"),
542 	DIV_A(sclk_apll, "sclk_apll", "mout_apll",
543 			DIV_CPU0, 24, 3, "sclk_apll"),
544 	DIV_F(none, "div_mipi_pre0", "div_mipi0", DIV_LCD0, 20, 4,
545 			CLK_SET_RATE_PARENT, 0),
546 	DIV_F(none, "div_mmc_pre0", "div_mmc0", DIV_FSYS1, 8, 8,
547 			CLK_SET_RATE_PARENT, 0),
548 	DIV_F(none, "div_mmc_pre1", "div_mmc1", DIV_FSYS1, 24, 8,
549 			CLK_SET_RATE_PARENT, 0),
550 	DIV_F(none, "div_mmc_pre2", "div_mmc2", DIV_FSYS2, 8, 8,
551 			CLK_SET_RATE_PARENT, 0),
552 	DIV_F(none, "div_mmc_pre3", "div_mmc3", DIV_FSYS2, 24, 8,
553 			CLK_SET_RATE_PARENT, 0),
554 };
555 
556 /* list of divider clocks supported in exynos4210 soc */
557 struct samsung_div_clock exynos4210_div_clks[] __initdata = {
558 	DIV(aclk200, "aclk200", "mout_aclk200", DIV_TOP, 0, 3),
559 	DIV(sclk_fimg2d, "sclk_fimg2d", "mout_g2d", DIV_IMAGE, 0, 4),
560 	DIV(none, "div_fimd1", "mout_fimd1", E4210_DIV_LCD1, 0, 4),
561 	DIV(none, "div_mipi1", "mout_mipi1", E4210_DIV_LCD1, 16, 4),
562 	DIV(none, "div_sata", "mout_sata", DIV_FSYS0, 20, 4),
563 	DIV_F(none, "div_mipi_pre1", "div_mipi1", E4210_DIV_LCD1, 20, 4,
564 			CLK_SET_RATE_PARENT, 0),
565 };
566 
567 /* list of divider clocks supported in exynos4x12 soc */
568 struct samsung_div_clock exynos4x12_div_clks[] __initdata = {
569 	DIV(none, "div_mdnie0", "mout_mdnie0", DIV_LCD0, 4, 4),
570 	DIV(none, "div_mdnie_pwm0", "mout_mdnie_pwm0", DIV_LCD0, 8, 4),
571 	DIV(none, "div_mdnie_pwm_pre0", "div_mdnie_pwm0", DIV_LCD0, 12, 4),
572 	DIV(none, "div_mipihsi", "mout_mipihsi", DIV_FSYS0, 20, 4),
573 	DIV(none, "div_jpeg", "mout_jpeg", E4X12_DIV_CAM1, 0, 4),
574 	DIV(div_aclk200, "div_aclk200", "mout_aclk200", DIV_TOP, 0, 3),
575 	DIV(none, "div_aclk266_gps", "mout_aclk266_gps", DIV_TOP, 20, 3),
576 	DIV(div_aclk400_mcuisp, "div_aclk400_mcuisp", "mout_aclk400_mcuisp",
577 						DIV_TOP, 24, 3),
578 	DIV(none, "div_pwm_isp", "mout_pwm_isp", E4X12_DIV_ISP, 0, 4),
579 	DIV(none, "div_spi0_isp", "mout_spi0_isp", E4X12_DIV_ISP, 4, 4),
580 	DIV(none, "div_spi0_isp_pre", "div_spi0_isp", E4X12_DIV_ISP, 8, 8),
581 	DIV(none, "div_spi1_isp", "mout_spi1_isp", E4X12_DIV_ISP, 16, 4),
582 	DIV(none, "div_spi1_isp_pre", "div_spi1_isp", E4X12_DIV_ISP, 20, 8),
583 	DIV(none, "div_uart_isp", "mout_uart_isp", E4X12_DIV_ISP, 28, 4),
584 	DIV_F(div_isp0, "div_isp0", "aclk200", E4X12_DIV_ISP0, 0, 3,
585 						CLK_GET_RATE_NOCACHE, 0),
586 	DIV_F(div_isp1, "div_isp1", "aclk200", E4X12_DIV_ISP0, 4, 3,
587 						CLK_GET_RATE_NOCACHE, 0),
588 	DIV(none, "div_mpwm", "div_isp1", E4X12_DIV_ISP1, 0, 3),
589 	DIV_F(div_mcuisp0, "div_mcuisp0", "aclk400_mcuisp", E4X12_DIV_ISP1,
590 						4, 3, CLK_GET_RATE_NOCACHE, 0),
591 	DIV_F(div_mcuisp1, "div_mcuisp1", "div_mcuisp0", E4X12_DIV_ISP1,
592 						8, 3, CLK_GET_RATE_NOCACHE, 0),
593 	DIV(sclk_fimg2d, "sclk_fimg2d", "mout_g2d", DIV_DMC1, 0, 4),
594 };
595 
596 /* list of gate clocks supported in all exynos4 soc's */
597 struct samsung_gate_clock exynos4_gate_clks[] __initdata = {
598 	/*
599 	 * After all Exynos4 based platforms are migrated to use device tree,
600 	 * the device name and clock alias names specified below for some
601 	 * of the clocks can be removed.
602 	 */
603 	GATE(sclk_hdmi, "sclk_hdmi", "mout_hdmi", SRC_MASK_TV, 0, 0, 0),
604 	GATE(sclk_spdif, "sclk_spdif", "mout_spdif", SRC_MASK_PERIL1, 8, 0, 0),
605 	GATE(jpeg, "jpeg", "aclk160", GATE_IP_CAM, 6, 0, 0),
606 	GATE(mie0, "mie0", "aclk160", GATE_IP_LCD0, 1, 0, 0),
607 	GATE(dsim0, "dsim0", "aclk160", GATE_IP_LCD0, 3, 0, 0),
608 	GATE(fimd1, "fimd1", "aclk160", E4210_GATE_IP_LCD1, 0, 0, 0),
609 	GATE(mie1, "mie1", "aclk160", E4210_GATE_IP_LCD1, 1, 0, 0),
610 	GATE(dsim1, "dsim1", "aclk160", E4210_GATE_IP_LCD1, 3, 0, 0),
611 	GATE(smmu_fimd1, "smmu_fimd1", "aclk160", E4210_GATE_IP_LCD1, 4, 0, 0),
612 	GATE(tsi, "tsi", "aclk133", GATE_IP_FSYS, 4, 0, 0),
613 	GATE(sromc, "sromc", "aclk133", GATE_IP_FSYS, 11, 0, 0),
614 	GATE(sclk_g3d, "sclk_g3d", "div_g3d", GATE_IP_G3D, 0,
615 			CLK_SET_RATE_PARENT, 0),
616 	GATE(usb_device, "usb_device", "aclk133", GATE_IP_FSYS, 13, 0, 0),
617 	GATE(onenand, "onenand", "aclk133", GATE_IP_FSYS, 15, 0, 0),
618 	GATE(nfcon, "nfcon", "aclk133", GATE_IP_FSYS, 16, 0, 0),
619 	GATE(gps, "gps", "aclk133", GATE_IP_GPS, 0, 0, 0),
620 	GATE(smmu_gps, "smmu_gps", "aclk133", GATE_IP_GPS, 1, 0, 0),
621 	GATE(slimbus, "slimbus", "aclk100", GATE_IP_PERIL, 25, 0, 0),
622 	GATE(sclk_cam0, "sclk_cam0", "div_cam0", GATE_SCLK_CAM, 4,
623 			CLK_SET_RATE_PARENT, 0),
624 	GATE(sclk_cam1, "sclk_cam1", "div_cam1", GATE_SCLK_CAM, 5,
625 			CLK_SET_RATE_PARENT, 0),
626 	GATE(sclk_mipi0, "sclk_mipi0", "div_mipi_pre0",
627 			SRC_MASK_LCD0, 12, CLK_SET_RATE_PARENT, 0),
628 	GATE(sclk_audio0, "sclk_audio0", "div_audio0", SRC_MASK_MAUDIO, 0,
629 			CLK_SET_RATE_PARENT, 0),
630 	GATE(sclk_audio1, "sclk_audio1", "div_audio1", SRC_MASK_PERIL1, 0,
631 			CLK_SET_RATE_PARENT, 0),
632 	GATE_D(vp, "s5p-mixer", "vp", "aclk160", GATE_IP_TV, 0, 0, 0),
633 	GATE_D(mixer, "s5p-mixer", "mixer", "aclk160", GATE_IP_TV, 1, 0, 0),
634 	GATE_D(hdmi, "exynos4-hdmi", "hdmi", "aclk160", GATE_IP_TV, 3, 0, 0),
635 	GATE_A(pwm, "pwm", "aclk100", GATE_IP_PERIL, 24, 0, 0, "timers"),
636 	GATE_A(sdmmc4, "sdmmc4", "aclk133", GATE_IP_FSYS, 9, 0, 0, "biu"),
637 	GATE_A(usb_host, "usb_host", "aclk133",
638 			GATE_IP_FSYS, 12, 0, 0, "usbhost"),
639 	GATE_DA(sclk_fimc0, "exynos4-fimc.0", "sclk_fimc0", "div_fimc0",
640 			SRC_MASK_CAM, 0, CLK_SET_RATE_PARENT, 0, "sclk_fimc"),
641 	GATE_DA(sclk_fimc1, "exynos4-fimc.1", "sclk_fimc1", "div_fimc1",
642 			SRC_MASK_CAM, 4, CLK_SET_RATE_PARENT, 0, "sclk_fimc"),
643 	GATE_DA(sclk_fimc2, "exynos4-fimc.2", "sclk_fimc2", "div_fimc2",
644 			SRC_MASK_CAM, 8, CLK_SET_RATE_PARENT, 0, "sclk_fimc"),
645 	GATE_DA(sclk_fimc3, "exynos4-fimc.3", "sclk_fimc3", "div_fimc3",
646 			SRC_MASK_CAM, 12, CLK_SET_RATE_PARENT, 0, "sclk_fimc"),
647 	GATE_DA(sclk_csis0, "s5p-mipi-csis.0", "sclk_csis0", "div_csis0",
648 			SRC_MASK_CAM, 24, CLK_SET_RATE_PARENT, 0, "sclk_csis"),
649 	GATE_DA(sclk_csis1, "s5p-mipi-csis.1", "sclk_csis1", "div_csis1",
650 			SRC_MASK_CAM, 28, CLK_SET_RATE_PARENT, 0, "sclk_csis"),
651 	GATE_DA(sclk_fimd0, "exynos4-fb.0", "sclk_fimd0", "div_fimd0",
652 			SRC_MASK_LCD0, 0, CLK_SET_RATE_PARENT, 0, "sclk_fimd"),
653 	GATE_DA(sclk_mmc0, "exynos4-sdhci.0", "sclk_mmc0", "div_mmc_pre0",
654 			SRC_MASK_FSYS, 0, CLK_SET_RATE_PARENT, 0,
655 			"mmc_busclk.2"),
656 	GATE_DA(sclk_mmc1, "exynos4-sdhci.1", "sclk_mmc1", "div_mmc_pre1",
657 			SRC_MASK_FSYS, 4, CLK_SET_RATE_PARENT, 0,
658 			"mmc_busclk.2"),
659 	GATE_DA(sclk_mmc2, "exynos4-sdhci.2", "sclk_mmc2", "div_mmc_pre2",
660 			SRC_MASK_FSYS, 8, CLK_SET_RATE_PARENT, 0,
661 			"mmc_busclk.2"),
662 	GATE_DA(sclk_mmc3, "exynos4-sdhci.3", "sclk_mmc3", "div_mmc_pre3",
663 			SRC_MASK_FSYS, 12, CLK_SET_RATE_PARENT, 0,
664 			"mmc_busclk.2"),
665 	GATE_DA(sclk_mmc4, NULL, "sclk_mmc4", "div_mmc_pre4",
666 			SRC_MASK_FSYS, 16, CLK_SET_RATE_PARENT, 0, "ciu"),
667 	GATE_DA(sclk_uart0, "exynos4210-uart.0", "uclk0", "div_uart0",
668 			SRC_MASK_PERIL0, 0, CLK_SET_RATE_PARENT,
669 			0, "clk_uart_baud0"),
670 	GATE_DA(sclk_uart1, "exynos4210-uart.1", "uclk1", "div_uart1",
671 			SRC_MASK_PERIL0, 4, CLK_SET_RATE_PARENT,
672 			0, "clk_uart_baud0"),
673 	GATE_DA(sclk_uart2, "exynos4210-uart.2", "uclk2", "div_uart2",
674 			SRC_MASK_PERIL0, 8, CLK_SET_RATE_PARENT,
675 			0, "clk_uart_baud0"),
676 	GATE_DA(sclk_uart3, "exynos4210-uart.3", "uclk3", "div_uart3",
677 			SRC_MASK_PERIL0, 12, CLK_SET_RATE_PARENT,
678 			0, "clk_uart_baud0"),
679 	GATE_DA(sclk_uart4, "exynos4210-uart.4", "uclk4", "div_uart4",
680 			SRC_MASK_PERIL0, 16, CLK_SET_RATE_PARENT,
681 			0, "clk_uart_baud0"),
682 	GATE(sclk_audio2, "sclk_audio2", "div_audio2", SRC_MASK_PERIL1, 4,
683 			CLK_SET_RATE_PARENT, 0),
684 	GATE_DA(sclk_spi0, "exynos4210-spi.0", "sclk_spi0", "div_spi_pre0",
685 			SRC_MASK_PERIL1, 16, CLK_SET_RATE_PARENT,
686 			0, "spi_busclk0"),
687 	GATE_DA(sclk_spi1, "exynos4210-spi.1", "sclk_spi1", "div_spi_pre1",
688 			SRC_MASK_PERIL1, 20, CLK_SET_RATE_PARENT,
689 			0, "spi_busclk0"),
690 	GATE_DA(sclk_spi2, "exynos4210-spi.2", "sclk_spi2", "div_spi_pre2",
691 			SRC_MASK_PERIL1, 24, CLK_SET_RATE_PARENT,
692 			0, "spi_busclk0"),
693 	GATE_DA(fimc0, "exynos4-fimc.0", "fimc0", "aclk160",
694 			GATE_IP_CAM, 0, 0, 0, "fimc"),
695 	GATE_DA(fimc1, "exynos4-fimc.1", "fimc1", "aclk160",
696 			GATE_IP_CAM, 1, 0, 0, "fimc"),
697 	GATE_DA(fimc2, "exynos4-fimc.2", "fimc2", "aclk160",
698 			GATE_IP_CAM, 2, 0, 0, "fimc"),
699 	GATE_DA(fimc3, "exynos4-fimc.3", "fimc3", "aclk160",
700 			GATE_IP_CAM, 3, 0, 0, "fimc"),
701 	GATE_DA(csis0, "s5p-mipi-csis.0", "csis0", "aclk160",
702 			GATE_IP_CAM, 4, 0, 0, "fimc"),
703 	GATE_DA(csis1, "s5p-mipi-csis.1", "csis1", "aclk160",
704 			GATE_IP_CAM, 5, 0, 0, "fimc"),
705 	GATE_DA(smmu_fimc0, "exynos-sysmmu.5", "smmu_fimc0", "aclk160",
706 			GATE_IP_CAM, 7, 0, 0, "sysmmu"),
707 	GATE_DA(smmu_fimc1, "exynos-sysmmu.6", "smmu_fimc1", "aclk160",
708 			GATE_IP_CAM, 8, 0, 0, "sysmmu"),
709 	GATE_DA(smmu_fimc2, "exynos-sysmmu.7", "smmu_fimc2", "aclk160",
710 			GATE_IP_CAM, 9, 0, 0, "sysmmu"),
711 	GATE_DA(smmu_fimc3, "exynos-sysmmu.8", "smmu_fimc3", "aclk160",
712 			GATE_IP_CAM, 10, 0, 0, "sysmmu"),
713 	GATE_DA(smmu_jpeg, "exynos-sysmmu.3", "smmu_jpeg", "aclk160",
714 			GATE_IP_CAM, 11, 0, 0, "sysmmu"),
715 	GATE(pixelasyncm0, "pxl_async0", "aclk160", GATE_IP_CAM, 17, 0, 0),
716 	GATE(pixelasyncm1, "pxl_async1", "aclk160", GATE_IP_CAM, 18, 0, 0),
717 	GATE_DA(smmu_tv, "exynos-sysmmu.2", "smmu_tv", "aclk160",
718 			GATE_IP_TV, 4, 0, 0, "sysmmu"),
719 	GATE_DA(mfc, "s5p-mfc", "mfc", "aclk100", GATE_IP_MFC, 0, 0, 0, "mfc"),
720 	GATE_DA(smmu_mfcl, "exynos-sysmmu.0", "smmu_mfcl", "aclk100",
721 			GATE_IP_MFC, 1, 0, 0, "sysmmu"),
722 	GATE_DA(smmu_mfcr, "exynos-sysmmu.1", "smmu_mfcr", "aclk100",
723 			GATE_IP_MFC, 2, 0, 0, "sysmmu"),
724 	GATE_DA(fimd0, "exynos4-fb.0", "fimd0", "aclk160",
725 			GATE_IP_LCD0, 0, 0, 0, "fimd"),
726 	GATE_DA(smmu_fimd0, "exynos-sysmmu.10", "smmu_fimd0", "aclk160",
727 			GATE_IP_LCD0, 4, 0, 0, "sysmmu"),
728 	GATE_DA(pdma0, "dma-pl330.0", "pdma0", "aclk133",
729 			GATE_IP_FSYS, 0, 0, 0, "dma"),
730 	GATE_DA(pdma1, "dma-pl330.1", "pdma1", "aclk133",
731 			GATE_IP_FSYS, 1, 0, 0, "dma"),
732 	GATE_DA(sdmmc0, "exynos4-sdhci.0", "sdmmc0", "aclk133",
733 			GATE_IP_FSYS, 5, 0, 0, "hsmmc"),
734 	GATE_DA(sdmmc1, "exynos4-sdhci.1", "sdmmc1", "aclk133",
735 			GATE_IP_FSYS, 6, 0, 0, "hsmmc"),
736 	GATE_DA(sdmmc2, "exynos4-sdhci.2", "sdmmc2", "aclk133",
737 			GATE_IP_FSYS, 7, 0, 0, "hsmmc"),
738 	GATE_DA(sdmmc3, "exynos4-sdhci.3", "sdmmc3", "aclk133",
739 			GATE_IP_FSYS, 8, 0, 0, "hsmmc"),
740 	GATE_DA(uart0, "exynos4210-uart.0", "uart0", "aclk100",
741 			GATE_IP_PERIL, 0, 0, 0, "uart"),
742 	GATE_DA(uart1, "exynos4210-uart.1", "uart1", "aclk100",
743 			GATE_IP_PERIL, 1, 0, 0, "uart"),
744 	GATE_DA(uart2, "exynos4210-uart.2", "uart2", "aclk100",
745 			GATE_IP_PERIL, 2, 0, 0, "uart"),
746 	GATE_DA(uart3, "exynos4210-uart.3", "uart3", "aclk100",
747 			GATE_IP_PERIL, 3, 0, 0, "uart"),
748 	GATE_DA(uart4, "exynos4210-uart.4", "uart4", "aclk100",
749 			GATE_IP_PERIL, 4, 0, 0, "uart"),
750 	GATE_DA(i2c0, "s3c2440-i2c.0", "i2c0", "aclk100",
751 			GATE_IP_PERIL, 6, 0, 0, "i2c"),
752 	GATE_DA(i2c1, "s3c2440-i2c.1", "i2c1", "aclk100",
753 			GATE_IP_PERIL, 7, 0, 0, "i2c"),
754 	GATE_DA(i2c2, "s3c2440-i2c.2", "i2c2", "aclk100",
755 			GATE_IP_PERIL, 8, 0, 0, "i2c"),
756 	GATE_DA(i2c3, "s3c2440-i2c.3", "i2c3", "aclk100",
757 			GATE_IP_PERIL, 9, 0, 0, "i2c"),
758 	GATE_DA(i2c4, "s3c2440-i2c.4", "i2c4", "aclk100",
759 			GATE_IP_PERIL, 10, 0, 0, "i2c"),
760 	GATE_DA(i2c5, "s3c2440-i2c.5", "i2c5", "aclk100",
761 			GATE_IP_PERIL, 11, 0, 0, "i2c"),
762 	GATE_DA(i2c6, "s3c2440-i2c.6", "i2c6", "aclk100",
763 			GATE_IP_PERIL, 12, 0, 0, "i2c"),
764 	GATE_DA(i2c7, "s3c2440-i2c.7", "i2c7", "aclk100",
765 			GATE_IP_PERIL, 13, 0, 0, "i2c"),
766 	GATE_DA(i2c_hdmi, "s3c2440-hdmiphy-i2c", "i2c-hdmi", "aclk100",
767 			GATE_IP_PERIL, 14, 0, 0, "i2c"),
768 	GATE_DA(spi0, "exynos4210-spi.0", "spi0", "aclk100",
769 			GATE_IP_PERIL, 16, 0, 0, "spi"),
770 	GATE_DA(spi1, "exynos4210-spi.1", "spi1", "aclk100",
771 			GATE_IP_PERIL, 17, 0, 0, "spi"),
772 	GATE_DA(spi2, "exynos4210-spi.2", "spi2", "aclk100",
773 			GATE_IP_PERIL, 18, 0, 0, "spi"),
774 	GATE_DA(i2s1, "samsung-i2s.1", "i2s1", "aclk100",
775 			GATE_IP_PERIL, 20, 0, 0, "iis"),
776 	GATE_DA(i2s2, "samsung-i2s.2", "i2s2", "aclk100",
777 			GATE_IP_PERIL, 21, 0, 0, "iis"),
778 	GATE_DA(pcm1, "samsung-pcm.1", "pcm1", "aclk100",
779 			GATE_IP_PERIL, 22, 0, 0, "pcm"),
780 	GATE_DA(pcm2, "samsung-pcm.2", "pcm2", "aclk100",
781 			GATE_IP_PERIL, 23, 0, 0, "pcm"),
782 	GATE_DA(spdif, "samsung-spdif", "spdif", "aclk100",
783 			GATE_IP_PERIL, 26, 0, 0, "spdif"),
784 	GATE_DA(ac97, "samsung-ac97", "ac97", "aclk100",
785 			GATE_IP_PERIL, 27, 0, 0, "ac97"),
786 };
787 
788 /* list of gate clocks supported in exynos4210 soc */
789 struct samsung_gate_clock exynos4210_gate_clks[] __initdata = {
790 	GATE(tvenc, "tvenc", "aclk160", GATE_IP_TV, 2, 0, 0),
791 	GATE(g2d, "g2d", "aclk200", E4210_GATE_IP_IMAGE, 0, 0, 0),
792 	GATE(rotator, "rotator", "aclk200", E4210_GATE_IP_IMAGE, 1, 0, 0),
793 	GATE(mdma, "mdma", "aclk200", E4210_GATE_IP_IMAGE, 2, 0, 0),
794 	GATE(smmu_g2d, "smmu_g2d", "aclk200", E4210_GATE_IP_IMAGE, 3, 0, 0),
795 	GATE(smmu_mdma, "smmu_mdma", "aclk200", E4210_GATE_IP_IMAGE, 5, 0, 0),
796 	GATE(pcie_phy, "pcie_phy", "aclk133", GATE_IP_FSYS, 2, 0, 0),
797 	GATE(sata_phy, "sata_phy", "aclk133", GATE_IP_FSYS, 3, 0, 0),
798 	GATE(sata, "sata", "aclk133", GATE_IP_FSYS, 10, 0, 0),
799 	GATE(pcie, "pcie", "aclk133", GATE_IP_FSYS, 14, 0, 0),
800 	GATE(smmu_pcie, "smmu_pcie", "aclk133", GATE_IP_FSYS, 18, 0, 0),
801 	GATE(modemif, "modemif", "aclk100", GATE_IP_PERIL, 28, 0, 0),
802 	GATE(chipid, "chipid", "aclk100", E4210_GATE_IP_PERIR, 0, 0, 0),
803 	GATE(sysreg, "sysreg", "aclk100", E4210_GATE_IP_PERIR, 0,
804 			CLK_IGNORE_UNUSED, 0),
805 	GATE(hdmi_cec, "hdmi_cec", "aclk100", E4210_GATE_IP_PERIR, 11, 0, 0),
806 	GATE(smmu_rotator, "smmu_rotator", "aclk200",
807 			E4210_GATE_IP_IMAGE, 4, 0, 0),
808 	GATE(sclk_mipi1, "sclk_mipi1", "div_mipi_pre1",
809 			E4210_SRC_MASK_LCD1, 12, CLK_SET_RATE_PARENT, 0),
810 	GATE(sclk_sata, "sclk_sata", "div_sata",
811 			SRC_MASK_FSYS, 24, CLK_SET_RATE_PARENT, 0),
812 	GATE(sclk_mixer, "sclk_mixer", "mout_mixer", SRC_MASK_TV, 4, 0, 0),
813 	GATE(sclk_dac, "sclk_dac", "mout_dac", SRC_MASK_TV, 8, 0, 0),
814 	GATE_A(tsadc, "tsadc", "aclk100", GATE_IP_PERIL, 15, 0, 0, "adc"),
815 	GATE_A(mct, "mct", "aclk100", E4210_GATE_IP_PERIR, 13, 0, 0, "mct"),
816 	GATE_A(wdt, "watchdog", "aclk100", E4210_GATE_IP_PERIR, 14, 0, 0, "watchdog"),
817 	GATE_A(rtc, "rtc", "aclk100", E4210_GATE_IP_PERIR, 15, 0, 0, "rtc"),
818 	GATE_A(keyif, "keyif", "aclk100", E4210_GATE_IP_PERIR, 16, 0, 0, "keypad"),
819 	GATE_DA(sclk_fimd1, "exynos4-fb.1", "sclk_fimd1", "div_fimd1",
820 			E4210_SRC_MASK_LCD1, 0, CLK_SET_RATE_PARENT, 0, "sclk_fimd"),
821 };
822 
823 /* list of gate clocks supported in exynos4x12 soc */
824 struct samsung_gate_clock exynos4x12_gate_clks[] __initdata = {
825 	GATE(audss, "audss", "sclk_epll", E4X12_GATE_IP_MAUDIO, 0, 0, 0),
826 	GATE(mdnie0, "mdnie0", "aclk160", GATE_IP_LCD0, 2, 0, 0),
827 	GATE(rotator, "rotator", "aclk200", E4X12_GATE_IP_IMAGE, 1, 0, 0),
828 	GATE(mdma2, "mdma2", "aclk200", E4X12_GATE_IP_IMAGE, 2, 0, 0),
829 	GATE(smmu_mdma, "smmu_mdma", "aclk200", E4X12_GATE_IP_IMAGE, 5, 0, 0),
830 	GATE(mipi_hsi, "mipi_hsi", "aclk133", GATE_IP_FSYS, 10, 0, 0),
831 	GATE(chipid, "chipid", "aclk100", E4X12_GATE_IP_PERIR, 0, 0, 0),
832 	GATE(sysreg, "sysreg", "aclk100", E4X12_GATE_IP_PERIR, 1,
833 			CLK_IGNORE_UNUSED, 0),
834 	GATE(hdmi_cec, "hdmi_cec", "aclk100", E4X12_GATE_IP_PERIR, 11, 0, 0),
835 	GATE(sclk_mdnie0, "sclk_mdnie0", "div_mdnie0",
836 			SRC_MASK_LCD0, 4, CLK_SET_RATE_PARENT, 0),
837 	GATE(sclk_mdnie_pwm0, "sclk_mdnie_pwm0", "div_mdnie_pwm_pre0",
838 			SRC_MASK_LCD0, 8, CLK_SET_RATE_PARENT, 0),
839 	GATE(sclk_mipihsi, "sclk_mipihsi", "div_mipihsi",
840 			SRC_MASK_FSYS, 24, CLK_SET_RATE_PARENT, 0),
841 	GATE(smmu_rotator, "smmu_rotator", "aclk200",
842 			E4X12_GATE_IP_IMAGE, 4, 0, 0),
843 	GATE_A(mct, "mct", "aclk100", E4X12_GATE_IP_PERIR, 13, 0, 0, "mct"),
844 	GATE_A(rtc, "rtc", "aclk100", E4X12_GATE_IP_PERIR, 15, 0, 0, "rtc"),
845 	GATE_A(keyif, "keyif", "aclk100",
846 			E4X12_GATE_IP_PERIR, 16, 0, 0, "keypad"),
847 	GATE(sclk_pwm_isp, "sclk_pwm_isp", "div_pwm_isp",
848 			E4X12_SRC_MASK_ISP, 0, CLK_SET_RATE_PARENT, 0),
849 	GATE(sclk_spi0_isp, "sclk_spi0_isp", "div_spi0_isp_pre",
850 			E4X12_SRC_MASK_ISP, 4, CLK_SET_RATE_PARENT, 0),
851 	GATE(sclk_spi1_isp, "sclk_spi1_isp", "div_spi1_isp_pre",
852 			E4X12_SRC_MASK_ISP, 8, CLK_SET_RATE_PARENT, 0),
853 	GATE(sclk_uart_isp, "sclk_uart_isp", "div_uart_isp",
854 			E4X12_SRC_MASK_ISP, 12, CLK_SET_RATE_PARENT, 0),
855 	GATE(pwm_isp_sclk, "pwm_isp_sclk", "sclk_pwm_isp",
856 			E4X12_GATE_IP_ISP, 0, 0, 0),
857 	GATE(spi0_isp_sclk, "spi0_isp_sclk", "sclk_spi0_isp",
858 			E4X12_GATE_IP_ISP, 1, 0, 0),
859 	GATE(spi1_isp_sclk, "spi1_isp_sclk", "sclk_spi1_isp",
860 			E4X12_GATE_IP_ISP, 2, 0, 0),
861 	GATE(uart_isp_sclk, "uart_isp_sclk", "sclk_uart_isp",
862 			E4X12_GATE_IP_ISP, 3, 0, 0),
863 	GATE_A(wdt, "watchdog", "aclk100",
864 			E4X12_GATE_IP_PERIR, 14, 0, 0, "watchdog"),
865 	GATE_DA(pcm0, "samsung-pcm.0", "pcm0", "aclk100",
866 			E4X12_GATE_IP_MAUDIO, 2, 0, 0, "pcm"),
867 	GATE_DA(i2s0, "samsung-i2s.0", "i2s0", "aclk100",
868 			E4X12_GATE_IP_MAUDIO, 3, 0, 0, "iis"),
869 	GATE(fimc_isp, "isp", "aclk200", E4X12_GATE_ISP0, 0,
870 			CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
871 	GATE(fimc_drc, "drc", "aclk200", E4X12_GATE_ISP0, 1,
872 			CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
873 	GATE(fimc_fd, "fd", "aclk200", E4X12_GATE_ISP0, 2,
874 			CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
875 	GATE(fimc_lite0, "lite0", "aclk200", E4X12_GATE_ISP0, 3,
876 			CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
877 	GATE(fimc_lite1, "lite1", "aclk200", E4X12_GATE_ISP0, 4,
878 			CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
879 	GATE(mcuisp, "mcuisp", "aclk200", E4X12_GATE_ISP0, 5,
880 			CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
881 	GATE(gicisp, "gicisp", "aclk200", E4X12_GATE_ISP0, 7,
882 			CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
883 	GATE(smmu_isp, "smmu_isp", "aclk200", E4X12_GATE_ISP0, 8,
884 			CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
885 	GATE(smmu_drc, "smmu_drc", "aclk200", E4X12_GATE_ISP0, 9,
886 			CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
887 	GATE(smmu_fd, "smmu_fd", "aclk200", E4X12_GATE_ISP0, 10,
888 			CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
889 	GATE(smmu_lite0, "smmu_lite0", "aclk200", E4X12_GATE_ISP0, 11,
890 			CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
891 	GATE(smmu_lite1, "smmu_lite1", "aclk200", E4X12_GATE_ISP0, 12,
892 			CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
893 	GATE(ppmuispmx, "ppmuispmx", "aclk200", E4X12_GATE_ISP0, 20,
894 			CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
895 	GATE(ppmuispx, "ppmuispx", "aclk200", E4X12_GATE_ISP0, 21,
896 			CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
897 	GATE(mcuctl_isp, "mcuctl_isp", "aclk200", E4X12_GATE_ISP0, 23,
898 			CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
899 	GATE(mpwm_isp, "mpwm_isp", "aclk200", E4X12_GATE_ISP0, 24,
900 			CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
901 	GATE(i2c0_isp, "i2c0_isp", "aclk200", E4X12_GATE_ISP0, 25,
902 			CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
903 	GATE(i2c1_isp, "i2c1_isp", "aclk200", E4X12_GATE_ISP0, 26,
904 			CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
905 	GATE(mtcadc_isp, "mtcadc_isp", "aclk200", E4X12_GATE_ISP0, 27,
906 			CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
907 	GATE(pwm_isp, "pwm_isp", "aclk200", E4X12_GATE_ISP0, 28,
908 			CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
909 	GATE(wdt_isp, "wdt_isp", "aclk200", E4X12_GATE_ISP0, 30,
910 			CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
911 	GATE(uart_isp, "uart_isp", "aclk200", E4X12_GATE_ISP0, 31,
912 			CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
913 	GATE(asyncaxim, "asyncaxim", "aclk200", E4X12_GATE_ISP1, 0,
914 			CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
915 	GATE(smmu_ispcx, "smmu_ispcx", "aclk200", E4X12_GATE_ISP1, 4,
916 			CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
917 	GATE(spi0_isp, "spi0_isp", "aclk200", E4X12_GATE_ISP1, 12,
918 			CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
919 	GATE(spi1_isp, "spi1_isp", "aclk200", E4X12_GATE_ISP1, 13,
920 			CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
921 	GATE(g2d, "g2d", "aclk200", GATE_IP_DMC, 23, 0, 0),
922 };
923 
924 /*
925  * The parent of the fin_pll clock is selected by the XOM[0] bit. This bit
926  * resides in chipid register space, outside of the clock controller memory
927  * mapped space. So to determine the parent of fin_pll clock, the chipid
928  * controller is first remapped and the value of XOM[0] bit is read to
929  * determine the parent clock.
930  */
931 static unsigned long exynos4_get_xom(void)
932 {
933 	unsigned long xom = 0;
934 	void __iomem *chipid_base;
935 	struct device_node *np;
936 
937 	np = of_find_compatible_node(NULL, NULL, "samsung,exynos4210-chipid");
938 	if (np) {
939 		chipid_base = of_iomap(np, 0);
940 
941 		if (chipid_base)
942 			xom = readl(chipid_base + 8);
943 
944 		iounmap(chipid_base);
945 	}
946 
947 	return xom;
948 }
949 
950 static void __init exynos4_clk_register_finpll(unsigned long xom)
951 {
952 	struct samsung_fixed_rate_clock fclk;
953 	struct clk *clk;
954 	unsigned long finpll_f = 24000000;
955 	char *parent_name;
956 
957 	parent_name = xom & 1 ? "xusbxti" : "xxti";
958 	clk = clk_get(NULL, parent_name);
959 	if (IS_ERR(clk)) {
960 		pr_err("%s: failed to lookup parent clock %s, assuming "
961 			"fin_pll clock frequency is 24MHz\n", __func__,
962 			parent_name);
963 	} else {
964 		finpll_f = clk_get_rate(clk);
965 	}
966 
967 	fclk.id = fin_pll;
968 	fclk.name = "fin_pll";
969 	fclk.parent_name = NULL;
970 	fclk.flags = CLK_IS_ROOT;
971 	fclk.fixed_rate = finpll_f;
972 	samsung_clk_register_fixed_rate(&fclk, 1);
973 
974 }
975 
976 /*
977  * This function allows non-dt platforms to specify the clock speed of the
978  * xxti and xusbxti clocks. These clocks are then registered with the specified
979  * clock speed.
980  */
981 void __init exynos4_clk_register_fixed_ext(unsigned long xxti_f,
982 						unsigned long xusbxti_f)
983 {
984 	exynos4_fixed_rate_ext_clks[0].fixed_rate = xxti_f;
985 	exynos4_fixed_rate_ext_clks[1].fixed_rate = xusbxti_f;
986 	samsung_clk_register_fixed_rate(exynos4_fixed_rate_ext_clks,
987 			ARRAY_SIZE(exynos4_fixed_rate_ext_clks));
988 }
989 
990 static __initdata struct of_device_id ext_clk_match[] = {
991 	{ .compatible = "samsung,clock-xxti", .data = (void *)0, },
992 	{ .compatible = "samsung,clock-xusbxti", .data = (void *)1, },
993 	{},
994 };
995 
996 /* register exynos4 clocks */
997 void __init exynos4_clk_init(struct device_node *np, enum exynos4_soc exynos4_soc, void __iomem *reg_base, unsigned long xom)
998 {
999 	struct clk *apll, *mpll, *epll, *vpll;
1000 
1001 	if (np) {
1002 		reg_base = of_iomap(np, 0);
1003 		if (!reg_base)
1004 			panic("%s: failed to map registers\n", __func__);
1005 	}
1006 
1007 	if (exynos4_soc == EXYNOS4210)
1008 		samsung_clk_init(np, reg_base, nr_clks,
1009 			exynos4_clk_regs, ARRAY_SIZE(exynos4_clk_regs),
1010 			exynos4210_clk_save, ARRAY_SIZE(exynos4210_clk_save));
1011 	else
1012 		samsung_clk_init(np, reg_base, nr_clks,
1013 			exynos4_clk_regs, ARRAY_SIZE(exynos4_clk_regs),
1014 			exynos4x12_clk_save, ARRAY_SIZE(exynos4x12_clk_save));
1015 
1016 	if (np)
1017 		samsung_clk_of_register_fixed_ext(exynos4_fixed_rate_ext_clks,
1018 			ARRAY_SIZE(exynos4_fixed_rate_ext_clks),
1019 			ext_clk_match);
1020 
1021 	exynos4_clk_register_finpll(xom);
1022 
1023 	if (exynos4_soc == EXYNOS4210) {
1024 		apll = samsung_clk_register_pll45xx("fout_apll", "fin_pll",
1025 					reg_base + APLL_CON0, pll_4508);
1026 		mpll = samsung_clk_register_pll45xx("fout_mpll", "fin_pll",
1027 					reg_base + E4210_MPLL_CON0, pll_4508);
1028 		epll = samsung_clk_register_pll46xx("fout_epll", "fin_pll",
1029 					reg_base + EPLL_CON0, pll_4600);
1030 		vpll = samsung_clk_register_pll46xx("fout_vpll", "mout_vpllsrc",
1031 					reg_base + VPLL_CON0, pll_4650c);
1032 	} else {
1033 		apll = samsung_clk_register_pll35xx("fout_apll", "fin_pll",
1034 					reg_base + APLL_CON0);
1035 		mpll = samsung_clk_register_pll35xx("fout_mpll", "fin_pll",
1036 					reg_base + E4X12_MPLL_CON0);
1037 		epll = samsung_clk_register_pll36xx("fout_epll", "fin_pll",
1038 					reg_base + EPLL_CON0);
1039 		vpll = samsung_clk_register_pll36xx("fout_vpll", "fin_pll",
1040 					reg_base + VPLL_CON0);
1041 	}
1042 
1043 	samsung_clk_add_lookup(apll, fout_apll);
1044 	samsung_clk_add_lookup(mpll, fout_mpll);
1045 	samsung_clk_add_lookup(epll, fout_epll);
1046 	samsung_clk_add_lookup(vpll, fout_vpll);
1047 
1048 	samsung_clk_register_fixed_rate(exynos4_fixed_rate_clks,
1049 			ARRAY_SIZE(exynos4_fixed_rate_clks));
1050 	samsung_clk_register_mux(exynos4_mux_clks,
1051 			ARRAY_SIZE(exynos4_mux_clks));
1052 	samsung_clk_register_div(exynos4_div_clks,
1053 			ARRAY_SIZE(exynos4_div_clks));
1054 	samsung_clk_register_gate(exynos4_gate_clks,
1055 			ARRAY_SIZE(exynos4_gate_clks));
1056 
1057 	if (exynos4_soc == EXYNOS4210) {
1058 		samsung_clk_register_fixed_rate(exynos4210_fixed_rate_clks,
1059 			ARRAY_SIZE(exynos4210_fixed_rate_clks));
1060 		samsung_clk_register_mux(exynos4210_mux_clks,
1061 			ARRAY_SIZE(exynos4210_mux_clks));
1062 		samsung_clk_register_div(exynos4210_div_clks,
1063 			ARRAY_SIZE(exynos4210_div_clks));
1064 		samsung_clk_register_gate(exynos4210_gate_clks,
1065 			ARRAY_SIZE(exynos4210_gate_clks));
1066 	} else {
1067 		samsung_clk_register_mux(exynos4x12_mux_clks,
1068 			ARRAY_SIZE(exynos4x12_mux_clks));
1069 		samsung_clk_register_div(exynos4x12_div_clks,
1070 			ARRAY_SIZE(exynos4x12_div_clks));
1071 		samsung_clk_register_gate(exynos4x12_gate_clks,
1072 			ARRAY_SIZE(exynos4x12_gate_clks));
1073 	}
1074 
1075 	pr_info("%s clocks: sclk_apll = %ld, sclk_mpll = %ld\n"
1076 		"\tsclk_epll = %ld, sclk_vpll = %ld, arm_clk = %ld\n",
1077 		exynos4_soc == EXYNOS4210 ? "Exynos4210" : "Exynos4x12",
1078 		_get_rate("sclk_apll"),	_get_rate("mout_mpll"),
1079 		_get_rate("sclk_epll"), _get_rate("sclk_vpll"),
1080 		_get_rate("armclk"));
1081 }
1082 
1083 
1084 static void __init exynos4210_clk_init(struct device_node *np)
1085 {
1086 	exynos4_clk_init(np, EXYNOS4210, NULL, exynos4_get_xom());
1087 }
1088 CLK_OF_DECLARE(exynos4210_clk, "samsung,exynos4210-clock", exynos4210_clk_init);
1089 
1090 static void __init exynos4412_clk_init(struct device_node *np)
1091 {
1092 	exynos4_clk_init(np, EXYNOS4X12, NULL, exynos4_get_xom());
1093 }
1094 CLK_OF_DECLARE(exynos4412_clk, "samsung,exynos4412-clock", exynos4412_clk_init);
1095