2 * r8a7790 clock framework support
4 * Copyright (C) 2013 Renesas Solutions Corp.
5 * Copyright (C) 2013 Magnus Damm
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; version 2 of the License.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 #include <linux/init.h>
22 #include <linux/kernel.h>
23 #include <linux/sh_clk.h>
24 #include <linux/clkdev.h>
25 #include <mach/r8a7790.h>
28 #include "rcar-gen2.h"
31 * MD EXTAL PLL0 PLL1 PLL3
32 * 14 13 19 (MHz) *1 *1
33 *---------------------------------------------------
34 * 0 0 0 15 x 1 x172/2 x208/2 x106
35 * 0 0 1 15 x 1 x172/2 x208/2 x88
36 * 0 1 0 20 x 1 x130/2 x156/2 x80
37 * 0 1 1 20 x 1 x130/2 x156/2 x66
38 * 1 0 0 26 / 2 x200/2 x240/2 x122
39 * 1 0 1 26 / 2 x200/2 x240/2 x102
40 * 1 1 0 30 / 2 x172/2 x208/2 x106
41 * 1 1 1 30 / 2 x172/2 x208/2 x88
43 * *1 : Table 7.6 indicates VCO ouput (PLLx = VCO/2)
44 * see "p1 / 2" on R8A7790_CLOCK_ROOT() below
47 #define CPG_BASE 0xe6150000
48 #define CPG_LEN 0x1000
50 #define SMSTPCR1 0xe6150134
51 #define SMSTPCR2 0xe6150138
52 #define SMSTPCR3 0xe615013c
53 #define SMSTPCR5 0xe6150144
54 #define SMSTPCR7 0xe615014c
55 #define SMSTPCR8 0xe6150990
56 #define SMSTPCR9 0xe6150994
57 #define SMSTPCR10 0xe6150998
59 #define MSTPSR1 IOMEM(0xe6150038)
60 #define MSTPSR2 IOMEM(0xe6150040)
61 #define MSTPSR3 IOMEM(0xe6150048)
62 #define MSTPSR5 IOMEM(0xe615003c)
63 #define MSTPSR7 IOMEM(0xe61501c4)
64 #define MSTPSR8 IOMEM(0xe61509a0)
65 #define MSTPSR9 IOMEM(0xe61509a4)
66 #define MSTPSR10 IOMEM(0xe61509a8)
68 #define SDCKCR 0xE6150074
69 #define SD2CKCR 0xE6150078
70 #define SD3CKCR 0xE615007C
71 #define MMC0CKCR 0xE6150240
72 #define MMC1CKCR 0xE6150244
73 #define SSPCKCR 0xE6150248
74 #define SSPRSCKCR 0xE615024C
76 static struct clk_mapping cpg_mapping = {
81 static struct clk extal_clk = {
82 /* .rate will be updated on r8a7790_clock_init() */
83 .mapping = &cpg_mapping,
86 static struct sh_clk_ops followparent_clk_ops = {
87 .recalc = followparent_recalc,
90 static struct clk main_clk = {
91 /* .parent will be set r8a7790_clock_init */
92 .ops = &followparent_clk_ops,
95 static struct clk audio_clk_a = {
98 static struct clk audio_clk_b = {
101 static struct clk audio_clk_c = {
105 * clock ratio of these clock will be updated
106 * on r8a7790_clock_init()
108 SH_FIXED_RATIO_CLK_SET(pll1_clk, main_clk, 1, 1);
109 SH_FIXED_RATIO_CLK_SET(pll3_clk, main_clk, 1, 1);
110 SH_FIXED_RATIO_CLK_SET(lb_clk, pll1_clk, 1, 1);
111 SH_FIXED_RATIO_CLK_SET(qspi_clk, pll1_clk, 1, 1);
113 /* fixed ratio clock */
114 SH_FIXED_RATIO_CLK_SET(extal_div2_clk, extal_clk, 1, 2);
115 SH_FIXED_RATIO_CLK_SET(cp_clk, extal_clk, 1, 2);
117 SH_FIXED_RATIO_CLK_SET(pll1_div2_clk, pll1_clk, 1, 2);
118 SH_FIXED_RATIO_CLK_SET(zg_clk, pll1_clk, 1, 3);
119 SH_FIXED_RATIO_CLK_SET(zx_clk, pll1_clk, 1, 3);
120 SH_FIXED_RATIO_CLK_SET(zs_clk, pll1_clk, 1, 6);
121 SH_FIXED_RATIO_CLK_SET(hp_clk, pll1_clk, 1, 12);
122 SH_FIXED_RATIO_CLK_SET(i_clk, pll1_clk, 1, 2);
123 SH_FIXED_RATIO_CLK_SET(b_clk, pll1_clk, 1, 12);
124 SH_FIXED_RATIO_CLK_SET(p_clk, pll1_clk, 1, 24);
125 SH_FIXED_RATIO_CLK_SET(cl_clk, pll1_clk, 1, 48);
126 SH_FIXED_RATIO_CLK_SET(m2_clk, pll1_clk, 1, 8);
127 SH_FIXED_RATIO_CLK_SET(imp_clk, pll1_clk, 1, 4);
128 SH_FIXED_RATIO_CLK_SET(rclk_clk, pll1_clk, 1, (48 * 1024));
129 SH_FIXED_RATIO_CLK_SET(oscclk_clk, pll1_clk, 1, (12 * 1024));
131 SH_FIXED_RATIO_CLK_SET(zb3_clk, pll3_clk, 1, 4);
132 SH_FIXED_RATIO_CLK_SET(zb3d2_clk, pll3_clk, 1, 8);
133 SH_FIXED_RATIO_CLK_SET(ddr_clk, pll3_clk, 1, 8);
134 SH_FIXED_RATIO_CLK_SET(mp_clk, pll1_div2_clk, 1, 15);
136 static struct clk *main_clks[] = {
167 /* SDHI (DIV4) clock */
168 static int divisors[] = { 2, 3, 4, 6, 8, 12, 16, 18, 24, 0, 36, 48, 10 };
170 static struct clk_div_mult_table div4_div_mult_table = {
171 .divisors = divisors,
172 .nr_divisors = ARRAY_SIZE(divisors),
175 static struct clk_div4_table div4_table = {
176 .div_mult_table = &div4_div_mult_table,
180 DIV4_SDH, DIV4_SD0, DIV4_SD1, DIV4_NR
183 static struct clk div4_clks[DIV4_NR] = {
184 [DIV4_SDH] = SH_CLK_DIV4(&pll1_clk, SDCKCR, 8, 0x0dff, CLK_ENABLE_ON_INIT),
185 [DIV4_SD0] = SH_CLK_DIV4(&pll1_clk, SDCKCR, 4, 0x1de0, CLK_ENABLE_ON_INIT),
186 [DIV4_SD1] = SH_CLK_DIV4(&pll1_clk, SDCKCR, 0, 0x1de0, CLK_ENABLE_ON_INIT),
192 DIV6_MMC0, DIV6_MMC1,
193 DIV6_SSP, DIV6_SSPRS,
197 static struct clk div6_clks[DIV6_NR] = {
198 [DIV6_SD2] = SH_CLK_DIV6(&pll1_div2_clk, SD2CKCR, 0),
199 [DIV6_SD3] = SH_CLK_DIV6(&pll1_div2_clk, SD3CKCR, 0),
200 [DIV6_MMC0] = SH_CLK_DIV6(&pll1_div2_clk, MMC0CKCR, 0),
201 [DIV6_MMC1] = SH_CLK_DIV6(&pll1_div2_clk, MMC1CKCR, 0),
202 [DIV6_SSP] = SH_CLK_DIV6(&pll1_div2_clk, SSPCKCR, 0),
203 [DIV6_SSPRS] = SH_CLK_DIV6(&pll1_div2_clk, SSPRSCKCR, 0),
208 MSTP1017, /* parent of SCU */
211 MSTP1029, MSTP1028, MSTP1027, MSTP1026, MSTP1025, MSTP1024, MSTP1023, MSTP1022,
212 MSTP1015, MSTP1014, MSTP1013, MSTP1012, MSTP1011, MSTP1010,
213 MSTP1009, MSTP1008, MSTP1007, MSTP1006, MSTP1005,
214 MSTP931, MSTP930, MSTP929, MSTP928,
218 MSTP811, MSTP810, MSTP809, MSTP808,
219 MSTP726, MSTP725, MSTP724, MSTP723, MSTP722, MSTP721, MSTP720,
224 MSTP315, MSTP314, MSTP313, MSTP312, MSTP311, MSTP305, MSTP304,
225 MSTP216, MSTP207, MSTP206, MSTP204, MSTP203, MSTP202,
230 static struct clk mstp_clks[MSTP_NR] = {
231 [MSTP1031] = SH_CLK_MSTP32_STS(&mstp_clks[MSTP1017], SMSTPCR10, 31, MSTPSR10, 0), /* SCU0 */
232 [MSTP1030] = SH_CLK_MSTP32_STS(&mstp_clks[MSTP1017], SMSTPCR10, 30, MSTPSR10, 0), /* SCU1 */
233 [MSTP1029] = SH_CLK_MSTP32_STS(&mstp_clks[MSTP1017], SMSTPCR10, 29, MSTPSR10, 0), /* SCU2 */
234 [MSTP1028] = SH_CLK_MSTP32_STS(&mstp_clks[MSTP1017], SMSTPCR10, 28, MSTPSR10, 0), /* SCU3 */
235 [MSTP1027] = SH_CLK_MSTP32_STS(&mstp_clks[MSTP1017], SMSTPCR10, 27, MSTPSR10, 0), /* SCU4 */
236 [MSTP1026] = SH_CLK_MSTP32_STS(&mstp_clks[MSTP1017], SMSTPCR10, 26, MSTPSR10, 0), /* SCU5 */
237 [MSTP1025] = SH_CLK_MSTP32_STS(&mstp_clks[MSTP1017], SMSTPCR10, 25, MSTPSR10, 0), /* SCU6 */
238 [MSTP1024] = SH_CLK_MSTP32_STS(&mstp_clks[MSTP1017], SMSTPCR10, 24, MSTPSR10, 0), /* SCU7 */
239 [MSTP1023] = SH_CLK_MSTP32_STS(&mstp_clks[MSTP1017], SMSTPCR10, 23, MSTPSR10, 0), /* SCU8 */
240 [MSTP1022] = SH_CLK_MSTP32_STS(&mstp_clks[MSTP1017], SMSTPCR10, 22, MSTPSR10, 0), /* SCU9 */
241 [MSTP1017] = SH_CLK_MSTP32_STS(&p_clk, SMSTPCR10, 17, MSTPSR10, 0), /* SCU */
242 [MSTP1015] = SH_CLK_MSTP32_STS(&p_clk, SMSTPCR10, 15, MSTPSR10, 0), /* SSI0 */
243 [MSTP1014] = SH_CLK_MSTP32_STS(&p_clk, SMSTPCR10, 14, MSTPSR10, 0), /* SSI1 */
244 [MSTP1013] = SH_CLK_MSTP32_STS(&p_clk, SMSTPCR10, 13, MSTPSR10, 0), /* SSI2 */
245 [MSTP1012] = SH_CLK_MSTP32_STS(&p_clk, SMSTPCR10, 12, MSTPSR10, 0), /* SSI3 */
246 [MSTP1011] = SH_CLK_MSTP32_STS(&p_clk, SMSTPCR10, 11, MSTPSR10, 0), /* SSI4 */
247 [MSTP1010] = SH_CLK_MSTP32_STS(&p_clk, SMSTPCR10, 10, MSTPSR10, 0), /* SSI5 */
248 [MSTP1009] = SH_CLK_MSTP32_STS(&p_clk, SMSTPCR10, 9, MSTPSR10, 0), /* SSI6 */
249 [MSTP1008] = SH_CLK_MSTP32_STS(&p_clk, SMSTPCR10, 8, MSTPSR10, 0), /* SSI7 */
250 [MSTP1007] = SH_CLK_MSTP32_STS(&p_clk, SMSTPCR10, 7, MSTPSR10, 0), /* SSI8 */
251 [MSTP1006] = SH_CLK_MSTP32_STS(&p_clk, SMSTPCR10, 6, MSTPSR10, 0), /* SSI9 */
252 [MSTP1005] = SH_CLK_MSTP32_STS(&p_clk, SMSTPCR10, 5, MSTPSR10, 0), /* SSI ALL */
253 [MSTP931] = SH_CLK_MSTP32_STS(&hp_clk, SMSTPCR9, 31, MSTPSR9, 0), /* I2C0 */
254 [MSTP930] = SH_CLK_MSTP32_STS(&hp_clk, SMSTPCR9, 30, MSTPSR9, 0), /* I2C1 */
255 [MSTP929] = SH_CLK_MSTP32_STS(&hp_clk, SMSTPCR9, 29, MSTPSR9, 0), /* I2C2 */
256 [MSTP928] = SH_CLK_MSTP32_STS(&hp_clk, SMSTPCR9, 28, MSTPSR9, 0), /* I2C3 */
257 [MSTP917] = SH_CLK_MSTP32_STS(&qspi_clk, SMSTPCR9, 17, MSTPSR9, 0), /* QSPI */
258 [MSTP815] = SH_CLK_MSTP32_STS(&zs_clk, SMSTPCR8, 15, MSTPSR8, 0), /* SATA0 */
259 [MSTP814] = SH_CLK_MSTP32_STS(&zs_clk, SMSTPCR8, 14, MSTPSR8, 0), /* SATA1 */
260 [MSTP813] = SH_CLK_MSTP32_STS(&p_clk, SMSTPCR8, 13, MSTPSR8, 0), /* Ether */
261 [MSTP811] = SH_CLK_MSTP32_STS(&zg_clk, SMSTPCR8, 11, MSTPSR8, 0), /* VIN0 */
262 [MSTP810] = SH_CLK_MSTP32_STS(&zg_clk, SMSTPCR8, 10, MSTPSR8, 0), /* VIN1 */
263 [MSTP809] = SH_CLK_MSTP32_STS(&zg_clk, SMSTPCR8, 9, MSTPSR8, 0), /* VIN2 */
264 [MSTP808] = SH_CLK_MSTP32_STS(&zg_clk, SMSTPCR8, 8, MSTPSR8, 0), /* VIN3 */
265 [MSTP726] = SH_CLK_MSTP32_STS(&zx_clk, SMSTPCR7, 26, MSTPSR7, 0), /* LVDS0 */
266 [MSTP725] = SH_CLK_MSTP32_STS(&zx_clk, SMSTPCR7, 25, MSTPSR7, 0), /* LVDS1 */
267 [MSTP724] = SH_CLK_MSTP32_STS(&zx_clk, SMSTPCR7, 24, MSTPSR7, 0), /* DU0 */
268 [MSTP723] = SH_CLK_MSTP32_STS(&zx_clk, SMSTPCR7, 23, MSTPSR7, 0), /* DU1 */
269 [MSTP722] = SH_CLK_MSTP32_STS(&zx_clk, SMSTPCR7, 22, MSTPSR7, 0), /* DU2 */
270 [MSTP721] = SH_CLK_MSTP32_STS(&p_clk, SMSTPCR7, 21, MSTPSR7, 0), /* SCIF0 */
271 [MSTP720] = SH_CLK_MSTP32_STS(&p_clk, SMSTPCR7, 20, MSTPSR7, 0), /* SCIF1 */
272 [MSTP717] = SH_CLK_MSTP32_STS(&zs_clk, SMSTPCR7, 17, MSTPSR7, 0), /* HSCIF0 */
273 [MSTP716] = SH_CLK_MSTP32_STS(&zs_clk, SMSTPCR7, 16, MSTPSR7, 0), /* HSCIF1 */
274 [MSTP704] = SH_CLK_MSTP32_STS(&mp_clk, SMSTPCR7, 4, MSTPSR7, 0), /* HSUSB */
275 [MSTP703] = SH_CLK_MSTP32_STS(&mp_clk, SMSTPCR7, 3, MSTPSR7, 0), /* EHCI */
276 [MSTP522] = SH_CLK_MSTP32_STS(&extal_clk, SMSTPCR5, 22, MSTPSR5, 0), /* Thermal */
277 [MSTP502] = SH_CLK_MSTP32_STS(&zs_clk, SMSTPCR5, 2, MSTPSR5, 0), /* Audio-DMAC low */
278 [MSTP501] = SH_CLK_MSTP32_STS(&zs_clk, SMSTPCR5, 1, MSTPSR5, 0), /* Audio-DMAC hi */
279 [MSTP315] = SH_CLK_MSTP32_STS(&div6_clks[DIV6_MMC0], SMSTPCR3, 15, MSTPSR3, 0), /* MMC0 */
280 [MSTP314] = SH_CLK_MSTP32_STS(&div4_clks[DIV4_SD0], SMSTPCR3, 14, MSTPSR3, 0), /* SDHI0 */
281 [MSTP313] = SH_CLK_MSTP32_STS(&div4_clks[DIV4_SD1], SMSTPCR3, 13, MSTPSR3, 0), /* SDHI1 */
282 [MSTP312] = SH_CLK_MSTP32_STS(&div6_clks[DIV6_SD2], SMSTPCR3, 12, MSTPSR3, 0), /* SDHI2 */
283 [MSTP311] = SH_CLK_MSTP32_STS(&div6_clks[DIV6_SD3], SMSTPCR3, 11, MSTPSR3, 0), /* SDHI3 */
284 [MSTP305] = SH_CLK_MSTP32_STS(&div6_clks[DIV6_MMC1], SMSTPCR3, 5, MSTPSR3, 0), /* MMC1 */
285 [MSTP304] = SH_CLK_MSTP32_STS(&cp_clk, SMSTPCR3, 4, MSTPSR3, 0), /* TPU0 */
286 [MSTP216] = SH_CLK_MSTP32_STS(&mp_clk, SMSTPCR2, 16, MSTPSR2, 0), /* SCIFB2 */
287 [MSTP207] = SH_CLK_MSTP32_STS(&mp_clk, SMSTPCR2, 7, MSTPSR2, 0), /* SCIFB1 */
288 [MSTP206] = SH_CLK_MSTP32_STS(&mp_clk, SMSTPCR2, 6, MSTPSR2, 0), /* SCIFB0 */
289 [MSTP204] = SH_CLK_MSTP32_STS(&mp_clk, SMSTPCR2, 4, MSTPSR2, 0), /* SCIFA0 */
290 [MSTP203] = SH_CLK_MSTP32_STS(&mp_clk, SMSTPCR2, 3, MSTPSR2, 0), /* SCIFA1 */
291 [MSTP202] = SH_CLK_MSTP32_STS(&mp_clk, SMSTPCR2, 2, MSTPSR2, 0), /* SCIFA2 */
292 [MSTP124] = SH_CLK_MSTP32_STS(&rclk_clk, SMSTPCR1, 24, MSTPSR1, 0), /* CMT0 */
295 static struct clk_lookup lookups[] = {
298 CLKDEV_CON_ID("extal", &extal_clk),
299 CLKDEV_CON_ID("extal_div2", &extal_div2_clk),
300 CLKDEV_CON_ID("main", &main_clk),
301 CLKDEV_CON_ID("pll1", &pll1_clk),
302 CLKDEV_CON_ID("pll1_div2", &pll1_div2_clk),
303 CLKDEV_CON_ID("pll3", &pll3_clk),
304 CLKDEV_CON_ID("zg", &zg_clk),
305 CLKDEV_CON_ID("zx", &zx_clk),
306 CLKDEV_CON_ID("zs", &zs_clk),
307 CLKDEV_CON_ID("hp", &hp_clk),
308 CLKDEV_CON_ID("i", &i_clk),
309 CLKDEV_CON_ID("b", &b_clk),
310 CLKDEV_CON_ID("lb", &lb_clk),
311 CLKDEV_CON_ID("p", &p_clk),
312 CLKDEV_CON_ID("cl", &cl_clk),
313 CLKDEV_CON_ID("m2", &m2_clk),
314 CLKDEV_CON_ID("imp", &imp_clk),
315 CLKDEV_CON_ID("rclk", &rclk_clk),
316 CLKDEV_CON_ID("oscclk", &oscclk_clk),
317 CLKDEV_CON_ID("zb3", &zb3_clk),
318 CLKDEV_CON_ID("zb3d2", &zb3d2_clk),
319 CLKDEV_CON_ID("ddr", &ddr_clk),
320 CLKDEV_CON_ID("mp", &mp_clk),
321 CLKDEV_CON_ID("qspi", &qspi_clk),
322 CLKDEV_CON_ID("cp", &cp_clk),
325 CLKDEV_CON_ID("sdh", &div4_clks[DIV4_SDH]),
328 CLKDEV_CON_ID("ssp", &div6_clks[DIV6_SSP]),
329 CLKDEV_CON_ID("ssprs", &div6_clks[DIV6_SSPRS]),
332 CLKDEV_DEV_ID("rcar_sound", &mstp_clks[MSTP1005]),
333 CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]),
334 CLKDEV_DEV_ID("sh-sci.1", &mstp_clks[MSTP203]),
335 CLKDEV_DEV_ID("sh-sci.2", &mstp_clks[MSTP206]),
336 CLKDEV_DEV_ID("sh-sci.3", &mstp_clks[MSTP207]),
337 CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP216]),
338 CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP202]),
339 CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[MSTP721]),
340 CLKDEV_DEV_ID("sh-sci.7", &mstp_clks[MSTP720]),
341 CLKDEV_DEV_ID("sh-sci.8", &mstp_clks[MSTP717]),
342 CLKDEV_DEV_ID("sh-sci.9", &mstp_clks[MSTP716]),
343 CLKDEV_DEV_ID("i2c-rcar_gen2.0", &mstp_clks[MSTP931]),
344 CLKDEV_DEV_ID("i2c-rcar_gen2.1", &mstp_clks[MSTP930]),
345 CLKDEV_DEV_ID("i2c-rcar_gen2.2", &mstp_clks[MSTP929]),
346 CLKDEV_DEV_ID("i2c-rcar_gen2.3", &mstp_clks[MSTP928]),
347 CLKDEV_DEV_ID("r8a7790-ether", &mstp_clks[MSTP813]),
348 CLKDEV_DEV_ID("r8a7790-vin.0", &mstp_clks[MSTP811]),
349 CLKDEV_DEV_ID("r8a7790-vin.1", &mstp_clks[MSTP810]),
350 CLKDEV_DEV_ID("r8a7790-vin.2", &mstp_clks[MSTP809]),
351 CLKDEV_DEV_ID("r8a7790-vin.3", &mstp_clks[MSTP808]),
352 CLKDEV_DEV_ID("rcar_thermal", &mstp_clks[MSTP522]),
353 CLKDEV_DEV_ID("sh-dma-engine.0", &mstp_clks[MSTP502]),
354 CLKDEV_DEV_ID("sh-dma-engine.1", &mstp_clks[MSTP501]),
355 CLKDEV_DEV_ID("sh_mmcif.0", &mstp_clks[MSTP315]),
356 CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[MSTP314]),
357 CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP313]),
358 CLKDEV_DEV_ID("sh_mobile_sdhi.2", &mstp_clks[MSTP312]),
359 CLKDEV_DEV_ID("sh_mobile_sdhi.3", &mstp_clks[MSTP311]),
360 CLKDEV_DEV_ID("sh_mmcif.1", &mstp_clks[MSTP305]),
361 CLKDEV_DEV_ID("qspi.0", &mstp_clks[MSTP917]),
362 CLKDEV_DEV_ID("renesas_usbhs", &mstp_clks[MSTP704]),
363 CLKDEV_DEV_ID("pci-rcar-gen2.0", &mstp_clks[MSTP703]),
364 CLKDEV_DEV_ID("pci-rcar-gen2.1", &mstp_clks[MSTP703]),
365 CLKDEV_DEV_ID("pci-rcar-gen2.2", &mstp_clks[MSTP703]),
366 CLKDEV_DEV_ID("sata-r8a7790.0", &mstp_clks[MSTP815]),
367 CLKDEV_DEV_ID("sata-r8a7790.1", &mstp_clks[MSTP814]),
370 CLKDEV_ICK_ID("fck", "sh-cmt-48-gen2.0", &mstp_clks[MSTP124]),
371 CLKDEV_ICK_ID("usbhs", "usb_phy_rcar_gen2", &mstp_clks[MSTP704]),
372 CLKDEV_ICK_ID("lvds.0", "rcar-du-r8a7790", &mstp_clks[MSTP726]),
373 CLKDEV_ICK_ID("lvds.1", "rcar-du-r8a7790", &mstp_clks[MSTP725]),
374 CLKDEV_ICK_ID("du.0", "rcar-du-r8a7790", &mstp_clks[MSTP724]),
375 CLKDEV_ICK_ID("du.1", "rcar-du-r8a7790", &mstp_clks[MSTP723]),
376 CLKDEV_ICK_ID("du.2", "rcar-du-r8a7790", &mstp_clks[MSTP722]),
377 CLKDEV_ICK_ID("clk_a", "rcar_sound", &audio_clk_a),
378 CLKDEV_ICK_ID("clk_b", "rcar_sound", &audio_clk_b),
379 CLKDEV_ICK_ID("clk_c", "rcar_sound", &audio_clk_c),
380 CLKDEV_ICK_ID("clk_i", "rcar_sound", &m2_clk),
381 CLKDEV_ICK_ID("src.0", "rcar_sound", &mstp_clks[MSTP1031]),
382 CLKDEV_ICK_ID("src.1", "rcar_sound", &mstp_clks[MSTP1030]),
383 CLKDEV_ICK_ID("src.2", "rcar_sound", &mstp_clks[MSTP1029]),
384 CLKDEV_ICK_ID("src.3", "rcar_sound", &mstp_clks[MSTP1028]),
385 CLKDEV_ICK_ID("src.4", "rcar_sound", &mstp_clks[MSTP1027]),
386 CLKDEV_ICK_ID("src.5", "rcar_sound", &mstp_clks[MSTP1026]),
387 CLKDEV_ICK_ID("src.6", "rcar_sound", &mstp_clks[MSTP1025]),
388 CLKDEV_ICK_ID("src.7", "rcar_sound", &mstp_clks[MSTP1024]),
389 CLKDEV_ICK_ID("src.8", "rcar_sound", &mstp_clks[MSTP1023]),
390 CLKDEV_ICK_ID("src.9", "rcar_sound", &mstp_clks[MSTP1022]),
391 CLKDEV_ICK_ID("ssi.0", "rcar_sound", &mstp_clks[MSTP1015]),
392 CLKDEV_ICK_ID("ssi.1", "rcar_sound", &mstp_clks[MSTP1014]),
393 CLKDEV_ICK_ID("ssi.2", "rcar_sound", &mstp_clks[MSTP1013]),
394 CLKDEV_ICK_ID("ssi.3", "rcar_sound", &mstp_clks[MSTP1012]),
395 CLKDEV_ICK_ID("ssi.4", "rcar_sound", &mstp_clks[MSTP1011]),
396 CLKDEV_ICK_ID("ssi.5", "rcar_sound", &mstp_clks[MSTP1010]),
397 CLKDEV_ICK_ID("ssi.6", "rcar_sound", &mstp_clks[MSTP1009]),
398 CLKDEV_ICK_ID("ssi.7", "rcar_sound", &mstp_clks[MSTP1008]),
399 CLKDEV_ICK_ID("ssi.8", "rcar_sound", &mstp_clks[MSTP1007]),
400 CLKDEV_ICK_ID("ssi.9", "rcar_sound", &mstp_clks[MSTP1006]),
404 #define R8A7790_CLOCK_ROOT(e, m, p0, p1, p30, p31) \
405 extal_clk.rate = e * 1000 * 1000; \
406 main_clk.parent = m; \
407 SH_CLK_SET_RATIO(&pll1_clk_ratio, p1 / 2, 1); \
409 SH_CLK_SET_RATIO(&pll3_clk_ratio, p31, 1); \
411 SH_CLK_SET_RATIO(&pll3_clk_ratio, p30, 1)
414 void __init r8a7790_clock_init(void)
416 u32 mode = rcar_gen2_read_mode_pins();
419 switch (mode & (MD(14) | MD(13))) {
421 R8A7790_CLOCK_ROOT(15, &extal_clk, 172, 208, 106, 88);
424 R8A7790_CLOCK_ROOT(20, &extal_clk, 130, 156, 80, 66);
427 R8A7790_CLOCK_ROOT(26 / 2, &extal_div2_clk, 200, 240, 122, 102);
429 case MD(13) | MD(14):
430 R8A7790_CLOCK_ROOT(30 / 2, &extal_div2_clk, 172, 208, 106, 88);
435 SH_CLK_SET_RATIO(&lb_clk_ratio, 1, 36);
437 SH_CLK_SET_RATIO(&lb_clk_ratio, 1, 24);
439 if ((mode & (MD(3) | MD(2) | MD(1))) == MD(2))
440 SH_CLK_SET_RATIO(&qspi_clk_ratio, 1, 16);
442 SH_CLK_SET_RATIO(&qspi_clk_ratio, 1, 20);
444 for (k = 0; !ret && (k < ARRAY_SIZE(main_clks)); k++)
445 ret = clk_register(main_clks[k]);
448 ret = sh_clk_div4_register(div4_clks, DIV4_NR, &div4_table);
451 ret = sh_clk_div6_register(div6_clks, DIV6_NR);
454 ret = sh_clk_mstp_register(mstp_clks, MSTP_NR);
456 clkdev_add_table(lookups, ARRAY_SIZE(lookups));
461 panic("failed to setup r8a7790 clocks\n");