1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2022 Renesas Electronics Corp.
8 #include <linux/clk-provider.h>
9 #include <linux/device.h>
10 #include <linux/init.h>
11 #include <linux/kernel.h>
13 #include <dt-bindings/clock/r9a07g043-cpg.h>
15 #include "rzg2l-cpg.h"
17 /* Specific registers. */
18 #define CPG_PL2SDHI_DSEL (0x218)
20 /* Clock select configuration. */
21 #define SEL_SDHI0 SEL_PLL_PACK(CPG_PL2SDHI_DSEL, 0, 2)
22 #define SEL_SDHI1 SEL_PLL_PACK(CPG_PL2SDHI_DSEL, 4, 2)
24 /* Clock status configuration. */
25 #define SEL_SDHI0_STS SEL_PLL_PACK(CPG_CLKSTATUS, 28, 1)
26 #define SEL_SDHI1_STS SEL_PLL_PACK(CPG_CLKSTATUS, 29, 1)
29 /* Core Clock Outputs exported to DT */
30 LAST_DT_CORE_CLK = R9A07G043_CLK_P0_DIV2,
32 /* External Input Clocks */
35 /* Internal Core Clocks */
70 static const struct clk_div_table dtable_1_8[] = {
78 static const struct clk_div_table dtable_1_32[] = {
87 /* Mux clock tables */
88 static const char * const sel_pll3_3[] = { ".pll3_533", ".pll3_400" };
89 static const char * const sel_pll6_2[] = { ".pll6_250", ".pll5_250" };
90 static const char * const sel_shdi[] = { ".clk_533", ".clk_400", ".clk_266" };
92 static const u32 mtable_sdhi[] = { 1, 2, 3 };
94 static const struct cpg_core_clk r9a07g043_core_clks[] __initconst = {
95 /* External Clock Inputs */
96 DEF_INPUT("extal", CLK_EXTAL),
98 /* Internal Core Clocks */
99 DEF_FIXED(".osc", R9A07G043_OSCCLK, CLK_EXTAL, 1, 1),
100 DEF_FIXED(".osc_div1000", CLK_OSC_DIV1000, CLK_EXTAL, 1, 1000),
101 DEF_SAMPLL(".pll1", CLK_PLL1, CLK_EXTAL, PLL146_CONF(0)),
102 DEF_FIXED(".pll2", CLK_PLL2, CLK_EXTAL, 200, 3),
103 DEF_FIXED(".pll2_div2", CLK_PLL2_DIV2, CLK_PLL2, 1, 2),
104 DEF_FIXED(".clk_800", CLK_PLL2_800, CLK_PLL2, 1, 2),
105 DEF_FIXED(".clk_533", CLK_PLL2_SDHI_533, CLK_PLL2, 1, 3),
106 DEF_FIXED(".clk_400", CLK_PLL2_SDHI_400, CLK_PLL2_800, 1, 2),
107 DEF_FIXED(".clk_266", CLK_PLL2_SDHI_266, CLK_PLL2_SDHI_533, 1, 2),
108 DEF_FIXED(".pll2_div2_8", CLK_PLL2_DIV2_8, CLK_PLL2_DIV2, 1, 8),
109 DEF_FIXED(".pll2_div2_10", CLK_PLL2_DIV2_10, CLK_PLL2_DIV2, 1, 10),
110 DEF_FIXED(".pll3", CLK_PLL3, CLK_EXTAL, 200, 3),
111 DEF_FIXED(".pll3_div2", CLK_PLL3_DIV2, CLK_PLL3, 1, 2),
112 DEF_FIXED(".pll3_div2_4", CLK_PLL3_DIV2_4, CLK_PLL3_DIV2, 1, 4),
113 DEF_FIXED(".pll3_div2_4_2", CLK_PLL3_DIV2_4_2, CLK_PLL3_DIV2_4, 1, 2),
114 DEF_FIXED(".pll3_400", CLK_PLL3_400, CLK_PLL3, 1, 4),
115 DEF_FIXED(".pll3_533", CLK_PLL3_533, CLK_PLL3, 1, 3),
116 DEF_MUX_RO(".sel_pll3_3", CLK_SEL_PLL3_3, SEL_PLL3_3, sel_pll3_3),
117 DEF_DIV("divpl3c", CLK_DIV_PLL3_C, CLK_SEL_PLL3_3, DIVPL3C, dtable_1_32),
119 DEF_FIXED(".pll5", CLK_PLL5, CLK_EXTAL, 125, 1),
120 DEF_FIXED(".pll5_500", CLK_PLL5_500, CLK_PLL5, 1, 6),
121 DEF_FIXED(".pll5_250", CLK_PLL5_250, CLK_PLL5_500, 1, 2),
123 DEF_FIXED(".pll6", CLK_PLL6, CLK_EXTAL, 125, 6),
124 DEF_FIXED(".pll6_250", CLK_PLL6_250, CLK_PLL6, 1, 2),
126 /* Core output clk */
127 DEF_DIV("I", R9A07G043_CLK_I, CLK_PLL1, DIVPL1A, dtable_1_8),
128 DEF_DIV("P0", R9A07G043_CLK_P0, CLK_PLL2_DIV2_8, DIVPL2A, dtable_1_32),
129 DEF_FIXED("P0_DIV2", R9A07G043_CLK_P0_DIV2, R9A07G043_CLK_P0, 1, 2),
130 DEF_FIXED("TSU", R9A07G043_CLK_TSU, CLK_PLL2_DIV2_10, 1, 1),
131 DEF_DIV("P1", R9A07G043_CLK_P1, CLK_PLL3_DIV2_4, DIVPL3B, dtable_1_32),
132 DEF_FIXED("P1_DIV2", CLK_P1_DIV2, R9A07G043_CLK_P1, 1, 2),
133 DEF_DIV("P2", R9A07G043_CLK_P2, CLK_PLL3_DIV2_4_2, DIVPL3A, dtable_1_32),
134 DEF_FIXED("M0", R9A07G043_CLK_M0, CLK_PLL3_DIV2_4, 1, 1),
135 DEF_FIXED("ZT", R9A07G043_CLK_ZT, CLK_PLL3_DIV2_4_2, 1, 1),
136 DEF_MUX("HP", R9A07G043_CLK_HP, SEL_PLL6_2, sel_pll6_2),
137 DEF_FIXED("SPI0", R9A07G043_CLK_SPI0, CLK_DIV_PLL3_C, 1, 2),
138 DEF_FIXED("SPI1", R9A07G043_CLK_SPI1, CLK_DIV_PLL3_C, 1, 4),
139 DEF_SD_MUX("SD0", R9A07G043_CLK_SD0, SEL_SDHI0, SEL_SDHI0_STS, sel_shdi,
140 mtable_sdhi, 0, rzg2l_cpg_sd_clk_mux_notifier),
141 DEF_SD_MUX("SD1", R9A07G043_CLK_SD1, SEL_SDHI1, SEL_SDHI1_STS, sel_shdi,
142 mtable_sdhi, 0, rzg2l_cpg_sd_clk_mux_notifier),
143 DEF_FIXED("SD0_DIV4", CLK_SD0_DIV4, R9A07G043_CLK_SD0, 1, 4),
144 DEF_FIXED("SD1_DIV4", CLK_SD1_DIV4, R9A07G043_CLK_SD1, 1, 4),
147 static struct rzg2l_mod_clk r9a07g043_mod_clks[] = {
149 DEF_MOD("gic", R9A07G043_GIC600_GICCLK, R9A07G043_CLK_P1,
151 DEF_MOD("ia55_pclk", R9A07G043_IA55_PCLK, R9A07G043_CLK_P2,
153 DEF_MOD("ia55_clk", R9A07G043_IA55_CLK, R9A07G043_CLK_P1,
157 DEF_MOD("iax45_pclk", R9A07G043_IAX45_PCLK, R9A07G043_CLK_P2,
159 DEF_MOD("iax45_clk", R9A07G043_IAX45_CLK, R9A07G043_CLK_P1,
162 DEF_MOD("dmac_aclk", R9A07G043_DMAC_ACLK, R9A07G043_CLK_P1,
164 DEF_MOD("dmac_pclk", R9A07G043_DMAC_PCLK, CLK_P1_DIV2,
166 DEF_MOD("ostm0_pclk", R9A07G043_OSTM0_PCLK, R9A07G043_CLK_P0,
168 DEF_MOD("ostm1_pclk", R9A07G043_OSTM1_PCLK, R9A07G043_CLK_P0,
170 DEF_MOD("ostm2_pclk", R9A07G043_OSTM2_PCLK, R9A07G043_CLK_P0,
172 DEF_MOD("mtu_x_mck", R9A07G043_MTU_X_MCK_MTU3, R9A07G043_CLK_P0,
174 DEF_MOD("wdt0_pclk", R9A07G043_WDT0_PCLK, R9A07G043_CLK_P0,
176 DEF_MOD("wdt0_clk", R9A07G043_WDT0_CLK, R9A07G043_OSCCLK,
178 DEF_MOD("spi_clk2", R9A07G043_SPI_CLK2, R9A07G043_CLK_SPI1,
180 DEF_MOD("spi_clk", R9A07G043_SPI_CLK, R9A07G043_CLK_SPI0,
182 DEF_MOD("sdhi0_imclk", R9A07G043_SDHI0_IMCLK, CLK_SD0_DIV4,
184 DEF_MOD("sdhi0_imclk2", R9A07G043_SDHI0_IMCLK2, CLK_SD0_DIV4,
186 DEF_MOD("sdhi0_clk_hs", R9A07G043_SDHI0_CLK_HS, R9A07G043_CLK_SD0,
188 DEF_MOD("sdhi0_aclk", R9A07G043_SDHI0_ACLK, R9A07G043_CLK_P1,
190 DEF_MOD("sdhi1_imclk", R9A07G043_SDHI1_IMCLK, CLK_SD1_DIV4,
192 DEF_MOD("sdhi1_imclk2", R9A07G043_SDHI1_IMCLK2, CLK_SD1_DIV4,
194 DEF_MOD("sdhi1_clk_hs", R9A07G043_SDHI1_CLK_HS, R9A07G043_CLK_SD1,
196 DEF_MOD("sdhi1_aclk", R9A07G043_SDHI1_ACLK, R9A07G043_CLK_P1,
198 DEF_MOD("ssi0_pclk", R9A07G043_SSI0_PCLK2, R9A07G043_CLK_P0,
200 DEF_MOD("ssi0_sfr", R9A07G043_SSI0_PCLK_SFR, R9A07G043_CLK_P0,
202 DEF_MOD("ssi1_pclk", R9A07G043_SSI1_PCLK2, R9A07G043_CLK_P0,
204 DEF_MOD("ssi1_sfr", R9A07G043_SSI1_PCLK_SFR, R9A07G043_CLK_P0,
206 DEF_MOD("ssi2_pclk", R9A07G043_SSI2_PCLK2, R9A07G043_CLK_P0,
208 DEF_MOD("ssi2_sfr", R9A07G043_SSI2_PCLK_SFR, R9A07G043_CLK_P0,
210 DEF_MOD("ssi3_pclk", R9A07G043_SSI3_PCLK2, R9A07G043_CLK_P0,
212 DEF_MOD("ssi3_sfr", R9A07G043_SSI3_PCLK_SFR, R9A07G043_CLK_P0,
214 DEF_MOD("usb0_host", R9A07G043_USB_U2H0_HCLK, R9A07G043_CLK_P1,
216 DEF_MOD("usb1_host", R9A07G043_USB_U2H1_HCLK, R9A07G043_CLK_P1,
218 DEF_MOD("usb0_func", R9A07G043_USB_U2P_EXR_CPUCLK, R9A07G043_CLK_P1,
220 DEF_MOD("usb_pclk", R9A07G043_USB_PCLK, R9A07G043_CLK_P1,
222 DEF_COUPLED("eth0_axi", R9A07G043_ETH0_CLK_AXI, R9A07G043_CLK_M0,
224 DEF_COUPLED("eth0_chi", R9A07G043_ETH0_CLK_CHI, R9A07G043_CLK_ZT,
226 DEF_COUPLED("eth1_axi", R9A07G043_ETH1_CLK_AXI, R9A07G043_CLK_M0,
228 DEF_COUPLED("eth1_chi", R9A07G043_ETH1_CLK_CHI, R9A07G043_CLK_ZT,
230 DEF_MOD("i2c0", R9A07G043_I2C0_PCLK, R9A07G043_CLK_P0,
232 DEF_MOD("i2c1", R9A07G043_I2C1_PCLK, R9A07G043_CLK_P0,
234 DEF_MOD("i2c2", R9A07G043_I2C2_PCLK, R9A07G043_CLK_P0,
236 DEF_MOD("i2c3", R9A07G043_I2C3_PCLK, R9A07G043_CLK_P0,
238 DEF_MOD("scif0", R9A07G043_SCIF0_CLK_PCK, R9A07G043_CLK_P0,
240 DEF_MOD("scif1", R9A07G043_SCIF1_CLK_PCK, R9A07G043_CLK_P0,
242 DEF_MOD("scif2", R9A07G043_SCIF2_CLK_PCK, R9A07G043_CLK_P0,
244 DEF_MOD("scif3", R9A07G043_SCIF3_CLK_PCK, R9A07G043_CLK_P0,
246 DEF_MOD("scif4", R9A07G043_SCIF4_CLK_PCK, R9A07G043_CLK_P0,
248 DEF_MOD("sci0", R9A07G043_SCI0_CLKP, R9A07G043_CLK_P0,
250 DEF_MOD("sci1", R9A07G043_SCI1_CLKP, R9A07G043_CLK_P0,
252 DEF_MOD("rspi0", R9A07G043_RSPI0_CLKB, R9A07G043_CLK_P0,
254 DEF_MOD("rspi1", R9A07G043_RSPI1_CLKB, R9A07G043_CLK_P0,
256 DEF_MOD("rspi2", R9A07G043_RSPI2_CLKB, R9A07G043_CLK_P0,
258 DEF_MOD("canfd", R9A07G043_CANFD_PCLK, R9A07G043_CLK_P0,
260 DEF_MOD("gpio", R9A07G043_GPIO_HCLK, R9A07G043_OSCCLK,
262 DEF_MOD("adc_adclk", R9A07G043_ADC_ADCLK, R9A07G043_CLK_TSU,
264 DEF_MOD("adc_pclk", R9A07G043_ADC_PCLK, R9A07G043_CLK_P0,
266 DEF_MOD("tsu_pclk", R9A07G043_TSU_PCLK, R9A07G043_CLK_TSU,
270 static struct rzg2l_reset r9a07g043_resets[] = {
272 DEF_RST(R9A07G043_GIC600_GICRESET_N, 0x814, 0),
273 DEF_RST(R9A07G043_GIC600_DBG_GICRESET_N, 0x814, 1),
274 DEF_RST(R9A07G043_IA55_RESETN, 0x818, 0),
277 DEF_RST(R9A07G043_IAX45_RESETN, 0x818, 0),
279 DEF_RST(R9A07G043_DMAC_ARESETN, 0x82c, 0),
280 DEF_RST(R9A07G043_DMAC_RST_ASYNC, 0x82c, 1),
281 DEF_RST(R9A07G043_OSTM0_PRESETZ, 0x834, 0),
282 DEF_RST(R9A07G043_OSTM1_PRESETZ, 0x834, 1),
283 DEF_RST(R9A07G043_OSTM2_PRESETZ, 0x834, 2),
284 DEF_RST(R9A07G043_MTU_X_PRESET_MTU3, 0x838, 0),
285 DEF_RST(R9A07G043_WDT0_PRESETN, 0x848, 0),
286 DEF_RST(R9A07G043_SPI_RST, 0x850, 0),
287 DEF_RST(R9A07G043_SDHI0_IXRST, 0x854, 0),
288 DEF_RST(R9A07G043_SDHI1_IXRST, 0x854, 1),
289 DEF_RST(R9A07G043_SSI0_RST_M2_REG, 0x870, 0),
290 DEF_RST(R9A07G043_SSI1_RST_M2_REG, 0x870, 1),
291 DEF_RST(R9A07G043_SSI2_RST_M2_REG, 0x870, 2),
292 DEF_RST(R9A07G043_SSI3_RST_M2_REG, 0x870, 3),
293 DEF_RST(R9A07G043_USB_U2H0_HRESETN, 0x878, 0),
294 DEF_RST(R9A07G043_USB_U2H1_HRESETN, 0x878, 1),
295 DEF_RST(R9A07G043_USB_U2P_EXL_SYSRST, 0x878, 2),
296 DEF_RST(R9A07G043_USB_PRESETN, 0x878, 3),
297 DEF_RST(R9A07G043_ETH0_RST_HW_N, 0x87c, 0),
298 DEF_RST(R9A07G043_ETH1_RST_HW_N, 0x87c, 1),
299 DEF_RST(R9A07G043_I2C0_MRST, 0x880, 0),
300 DEF_RST(R9A07G043_I2C1_MRST, 0x880, 1),
301 DEF_RST(R9A07G043_I2C2_MRST, 0x880, 2),
302 DEF_RST(R9A07G043_I2C3_MRST, 0x880, 3),
303 DEF_RST(R9A07G043_SCIF0_RST_SYSTEM_N, 0x884, 0),
304 DEF_RST(R9A07G043_SCIF1_RST_SYSTEM_N, 0x884, 1),
305 DEF_RST(R9A07G043_SCIF2_RST_SYSTEM_N, 0x884, 2),
306 DEF_RST(R9A07G043_SCIF3_RST_SYSTEM_N, 0x884, 3),
307 DEF_RST(R9A07G043_SCIF4_RST_SYSTEM_N, 0x884, 4),
308 DEF_RST(R9A07G043_SCI0_RST, 0x888, 0),
309 DEF_RST(R9A07G043_SCI1_RST, 0x888, 1),
310 DEF_RST(R9A07G043_RSPI0_RST, 0x890, 0),
311 DEF_RST(R9A07G043_RSPI1_RST, 0x890, 1),
312 DEF_RST(R9A07G043_RSPI2_RST, 0x890, 2),
313 DEF_RST(R9A07G043_CANFD_RSTP_N, 0x894, 0),
314 DEF_RST(R9A07G043_CANFD_RSTC_N, 0x894, 1),
315 DEF_RST(R9A07G043_GPIO_RSTN, 0x898, 0),
316 DEF_RST(R9A07G043_GPIO_PORT_RESETN, 0x898, 1),
317 DEF_RST(R9A07G043_GPIO_SPARE_RESETN, 0x898, 2),
318 DEF_RST(R9A07G043_ADC_PRESETN, 0x8a8, 0),
319 DEF_RST(R9A07G043_ADC_ADRST_N, 0x8a8, 1),
320 DEF_RST(R9A07G043_TSU_PRESETN, 0x8ac, 0),
323 static const unsigned int r9a07g043_crit_mod_clks[] __initconst = {
325 MOD_CLK_BASE + R9A07G043_GIC600_GICCLK,
326 MOD_CLK_BASE + R9A07G043_IA55_CLK,
329 MOD_CLK_BASE + R9A07G043_IAX45_CLK,
331 MOD_CLK_BASE + R9A07G043_DMAC_ACLK,
334 const struct rzg2l_cpg_info r9a07g043_cpg_info = {
336 .core_clks = r9a07g043_core_clks,
337 .num_core_clks = ARRAY_SIZE(r9a07g043_core_clks),
338 .last_dt_core_clk = LAST_DT_CORE_CLK,
339 .num_total_core_clks = MOD_CLK_BASE,
341 /* Critical Module Clocks */
342 .crit_mod_clks = r9a07g043_crit_mod_clks,
343 .num_crit_mod_clks = ARRAY_SIZE(r9a07g043_crit_mod_clks),
346 .mod_clks = r9a07g043_mod_clks,
347 .num_mod_clks = ARRAY_SIZE(r9a07g043_mod_clks),
349 .num_hw_mod_clks = R9A07G043_TSU_PCLK + 1,
352 .num_hw_mod_clks = R9A07G043_IAX45_PCLK + 1,
356 .resets = r9a07g043_resets,
358 .num_resets = R9A07G043_TSU_PRESETN + 1, /* Last reset ID + 1 */
361 .num_resets = R9A07G043_IAX45_RESETN + 1, /* Last reset ID + 1 */
364 .has_clk_mon_regs = true,