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 */
73 static const struct clk_div_table dtable_1_8
[] = {
81 static const struct clk_div_table dtable_1_32
[] = {
90 /* Mux clock tables */
91 static const char * const sel_pll3_3
[] = { ".pll3_533", ".pll3_400" };
92 static const char * const sel_pll6_2
[] = { ".pll6_250", ".pll5_250" };
93 static const char * const sel_sdhi
[] = { ".clk_533", ".clk_400", ".clk_266" };
95 static const u32 mtable_sdhi
[] = { 1, 2, 3 };
97 static const struct cpg_core_clk r9a07g043_core_clks
[] __initconst
= {
98 /* External Clock Inputs */
99 DEF_INPUT("extal", CLK_EXTAL
),
101 /* Internal Core Clocks */
102 DEF_FIXED(".osc", R9A07G043_OSCCLK
, CLK_EXTAL
, 1, 1),
103 DEF_FIXED(".osc_div1000", CLK_OSC_DIV1000
, CLK_EXTAL
, 1, 1000),
104 DEF_SAMPLL(".pll1", CLK_PLL1
, CLK_EXTAL
, PLL146_CONF(0)),
105 DEF_FIXED(".pll2", CLK_PLL2
, CLK_EXTAL
, 200, 3),
106 DEF_FIXED(".pll2_div2", CLK_PLL2_DIV2
, CLK_PLL2
, 1, 2),
107 DEF_FIXED(".clk_800", CLK_PLL2_800
, CLK_PLL2
, 1, 2),
108 DEF_FIXED(".clk_533", CLK_PLL2_SDHI_533
, CLK_PLL2
, 1, 3),
109 DEF_FIXED(".clk_400", CLK_PLL2_SDHI_400
, CLK_PLL2_800
, 1, 2),
110 DEF_FIXED(".clk_266", CLK_PLL2_SDHI_266
, CLK_PLL2_SDHI_533
, 1, 2),
111 DEF_FIXED(".pll2_div2_8", CLK_PLL2_DIV2_8
, CLK_PLL2_DIV2
, 1, 8),
112 DEF_FIXED(".pll2_div2_10", CLK_PLL2_DIV2_10
, CLK_PLL2_DIV2
, 1, 10),
113 DEF_FIXED(".pll3", CLK_PLL3
, CLK_EXTAL
, 200, 3),
114 DEF_FIXED(".pll3_div2", CLK_PLL3_DIV2
, CLK_PLL3
, 1, 2),
115 DEF_FIXED(".pll3_div2_4", CLK_PLL3_DIV2_4
, CLK_PLL3_DIV2
, 1, 4),
116 DEF_FIXED(".pll3_div2_4_2", CLK_PLL3_DIV2_4_2
, CLK_PLL3_DIV2_4
, 1, 2),
117 DEF_FIXED(".pll3_400", CLK_PLL3_400
, CLK_PLL3
, 1, 4),
118 DEF_FIXED(".pll3_533", CLK_PLL3_533
, CLK_PLL3
, 1, 3),
119 DEF_MUX_RO(".sel_pll3_3", CLK_SEL_PLL3_3
, SEL_PLL3_3
, sel_pll3_3
),
120 DEF_DIV("divpl3c", CLK_DIV_PLL3_C
, CLK_SEL_PLL3_3
, DIVPL3C
, dtable_1_32
),
122 DEF_FIXED(".pll5", CLK_PLL5
, CLK_EXTAL
, 125, 1),
123 DEF_FIXED(".pll5_500", CLK_PLL5_500
, CLK_PLL5
, 1, 6),
124 DEF_FIXED(".pll5_250", CLK_PLL5_250
, CLK_PLL5_500
, 1, 2),
125 DEF_PLL5_FOUTPOSTDIV(".pll5_foutpostdiv", CLK_PLL5_FOUTPOSTDIV
, CLK_EXTAL
),
127 DEF_FIXED(".pll6", CLK_PLL6
, CLK_EXTAL
, 125, 6),
128 DEF_FIXED(".pll6_250", CLK_PLL6_250
, CLK_PLL6
, 1, 2),
130 /* Core output clk */
131 DEF_DIV("I", R9A07G043_CLK_I
, CLK_PLL1
, DIVPL1A
, dtable_1_8
),
132 DEF_DIV("P0", R9A07G043_CLK_P0
, CLK_PLL2_DIV2_8
, DIVPL2A
, dtable_1_32
),
133 DEF_FIXED("P0_DIV2", R9A07G043_CLK_P0_DIV2
, R9A07G043_CLK_P0
, 1, 2),
134 DEF_FIXED("TSU", R9A07G043_CLK_TSU
, CLK_PLL2_DIV2_10
, 1, 1),
135 DEF_DIV("P1", R9A07G043_CLK_P1
, CLK_PLL3_DIV2_4
, DIVPL3B
, dtable_1_32
),
136 DEF_FIXED("P1_DIV2", CLK_P1_DIV2
, R9A07G043_CLK_P1
, 1, 2),
137 DEF_DIV("P2", R9A07G043_CLK_P2
, CLK_PLL3_DIV2_4_2
, DIVPL3A
, dtable_1_32
),
138 DEF_FIXED("M0", R9A07G043_CLK_M0
, CLK_PLL3_DIV2_4
, 1, 1),
139 DEF_FIXED("ZT", R9A07G043_CLK_ZT
, CLK_PLL3_DIV2_4_2
, 1, 1),
140 DEF_MUX("HP", R9A07G043_CLK_HP
, SEL_PLL6_2
, sel_pll6_2
),
141 DEF_FIXED("SPI0", R9A07G043_CLK_SPI0
, CLK_DIV_PLL3_C
, 1, 2),
142 DEF_FIXED("SPI1", R9A07G043_CLK_SPI1
, CLK_DIV_PLL3_C
, 1, 4),
143 DEF_SD_MUX("SD0", R9A07G043_CLK_SD0
, SEL_SDHI0
, SEL_SDHI0_STS
, sel_sdhi
,
144 mtable_sdhi
, 0, rzg2l_cpg_sd_clk_mux_notifier
),
145 DEF_SD_MUX("SD1", R9A07G043_CLK_SD1
, SEL_SDHI1
, SEL_SDHI1_STS
, sel_sdhi
,
146 mtable_sdhi
, 0, rzg2l_cpg_sd_clk_mux_notifier
),
147 DEF_FIXED("SD0_DIV4", CLK_SD0_DIV4
, R9A07G043_CLK_SD0
, 1, 4),
148 DEF_FIXED("SD1_DIV4", CLK_SD1_DIV4
, R9A07G043_CLK_SD1
, 1, 4),
150 DEF_FIXED("M2", R9A07G043_CLK_M2
, CLK_PLL3_533
, 1, 2),
151 DEF_FIXED("M2_DIV2", CLK_M2_DIV2
, R9A07G043_CLK_M2
, 1, 2),
152 DEF_DSI_DIV("DSI_DIV", CLK_DSI_DIV
, CLK_PLL5_FOUTPOSTDIV
, CLK_SET_RATE_PARENT
),
153 DEF_FIXED("M3", R9A07G043_CLK_M3
, CLK_DSI_DIV
, 1, 1),
157 static const struct rzg2l_mod_clk r9a07g043_mod_clks
[] = {
159 DEF_MOD("gic", R9A07G043_GIC600_GICCLK
, R9A07G043_CLK_P1
,
161 DEF_MOD("ia55_pclk", R9A07G043_IA55_PCLK
, R9A07G043_CLK_P2
,
163 DEF_MOD("ia55_clk", R9A07G043_IA55_CLK
, R9A07G043_CLK_P1
,
167 DEF_MOD("iax45_pclk", R9A07G043_IAX45_PCLK
, R9A07G043_CLK_P2
,
169 DEF_MOD("iax45_clk", R9A07G043_IAX45_CLK
, R9A07G043_CLK_P1
,
172 DEF_MOD("dmac_aclk", R9A07G043_DMAC_ACLK
, R9A07G043_CLK_P1
,
174 DEF_MOD("dmac_pclk", R9A07G043_DMAC_PCLK
, CLK_P1_DIV2
,
176 DEF_MOD("ostm0_pclk", R9A07G043_OSTM0_PCLK
, R9A07G043_CLK_P0
,
178 DEF_MOD("ostm1_pclk", R9A07G043_OSTM1_PCLK
, R9A07G043_CLK_P0
,
180 DEF_MOD("ostm2_pclk", R9A07G043_OSTM2_PCLK
, R9A07G043_CLK_P0
,
182 DEF_MOD("mtu_x_mck", R9A07G043_MTU_X_MCK_MTU3
, R9A07G043_CLK_P0
,
184 DEF_MOD("wdt0_pclk", R9A07G043_WDT0_PCLK
, R9A07G043_CLK_P0
,
186 DEF_MOD("wdt0_clk", R9A07G043_WDT0_CLK
, R9A07G043_OSCCLK
,
188 DEF_MOD("spi_clk2", R9A07G043_SPI_CLK2
, R9A07G043_CLK_SPI1
,
190 DEF_MOD("spi_clk", R9A07G043_SPI_CLK
, R9A07G043_CLK_SPI0
,
192 DEF_MOD("sdhi0_imclk", R9A07G043_SDHI0_IMCLK
, CLK_SD0_DIV4
,
194 DEF_MOD("sdhi0_imclk2", R9A07G043_SDHI0_IMCLK2
, CLK_SD0_DIV4
,
196 DEF_MOD("sdhi0_clk_hs", R9A07G043_SDHI0_CLK_HS
, R9A07G043_CLK_SD0
,
198 DEF_MOD("sdhi0_aclk", R9A07G043_SDHI0_ACLK
, R9A07G043_CLK_P1
,
200 DEF_MOD("sdhi1_imclk", R9A07G043_SDHI1_IMCLK
, CLK_SD1_DIV4
,
202 DEF_MOD("sdhi1_imclk2", R9A07G043_SDHI1_IMCLK2
, CLK_SD1_DIV4
,
204 DEF_MOD("sdhi1_clk_hs", R9A07G043_SDHI1_CLK_HS
, R9A07G043_CLK_SD1
,
206 DEF_MOD("sdhi1_aclk", R9A07G043_SDHI1_ACLK
, R9A07G043_CLK_P1
,
209 DEF_MOD("cru_sysclk", R9A07G043_CRU_SYSCLK
, CLK_M2_DIV2
,
211 DEF_MOD("cru_vclk", R9A07G043_CRU_VCLK
, R9A07G043_CLK_M2
,
213 DEF_MOD("cru_pclk", R9A07G043_CRU_PCLK
, R9A07G043_CLK_ZT
,
215 DEF_MOD("cru_aclk", R9A07G043_CRU_ACLK
, R9A07G043_CLK_M0
,
217 DEF_COUPLED("lcdc_clk_a", R9A07G043_LCDC_CLK_A
, R9A07G043_CLK_M0
,
219 DEF_COUPLED("lcdc_clk_p", R9A07G043_LCDC_CLK_P
, R9A07G043_CLK_ZT
,
221 DEF_MOD("lcdc_clk_d", R9A07G043_LCDC_CLK_D
, R9A07G043_CLK_M3
,
224 DEF_MOD("ssi0_pclk", R9A07G043_SSI0_PCLK2
, R9A07G043_CLK_P0
,
226 DEF_MOD("ssi0_sfr", R9A07G043_SSI0_PCLK_SFR
, R9A07G043_CLK_P0
,
228 DEF_MOD("ssi1_pclk", R9A07G043_SSI1_PCLK2
, R9A07G043_CLK_P0
,
230 DEF_MOD("ssi1_sfr", R9A07G043_SSI1_PCLK_SFR
, R9A07G043_CLK_P0
,
232 DEF_MOD("ssi2_pclk", R9A07G043_SSI2_PCLK2
, R9A07G043_CLK_P0
,
234 DEF_MOD("ssi2_sfr", R9A07G043_SSI2_PCLK_SFR
, R9A07G043_CLK_P0
,
236 DEF_MOD("ssi3_pclk", R9A07G043_SSI3_PCLK2
, R9A07G043_CLK_P0
,
238 DEF_MOD("ssi3_sfr", R9A07G043_SSI3_PCLK_SFR
, R9A07G043_CLK_P0
,
240 DEF_MOD("usb0_host", R9A07G043_USB_U2H0_HCLK
, R9A07G043_CLK_P1
,
242 DEF_MOD("usb1_host", R9A07G043_USB_U2H1_HCLK
, R9A07G043_CLK_P1
,
244 DEF_MOD("usb0_func", R9A07G043_USB_U2P_EXR_CPUCLK
, R9A07G043_CLK_P1
,
246 DEF_MOD("usb_pclk", R9A07G043_USB_PCLK
, R9A07G043_CLK_P1
,
248 DEF_COUPLED("eth0_axi", R9A07G043_ETH0_CLK_AXI
, R9A07G043_CLK_M0
,
250 DEF_COUPLED("eth0_chi", R9A07G043_ETH0_CLK_CHI
, R9A07G043_CLK_ZT
,
252 DEF_COUPLED("eth1_axi", R9A07G043_ETH1_CLK_AXI
, R9A07G043_CLK_M0
,
254 DEF_COUPLED("eth1_chi", R9A07G043_ETH1_CLK_CHI
, R9A07G043_CLK_ZT
,
256 DEF_MOD("i2c0", R9A07G043_I2C0_PCLK
, R9A07G043_CLK_P0
,
258 DEF_MOD("i2c1", R9A07G043_I2C1_PCLK
, R9A07G043_CLK_P0
,
260 DEF_MOD("i2c2", R9A07G043_I2C2_PCLK
, R9A07G043_CLK_P0
,
262 DEF_MOD("i2c3", R9A07G043_I2C3_PCLK
, R9A07G043_CLK_P0
,
264 DEF_MOD("scif0", R9A07G043_SCIF0_CLK_PCK
, R9A07G043_CLK_P0
,
266 DEF_MOD("scif1", R9A07G043_SCIF1_CLK_PCK
, R9A07G043_CLK_P0
,
268 DEF_MOD("scif2", R9A07G043_SCIF2_CLK_PCK
, R9A07G043_CLK_P0
,
270 DEF_MOD("scif3", R9A07G043_SCIF3_CLK_PCK
, R9A07G043_CLK_P0
,
272 DEF_MOD("scif4", R9A07G043_SCIF4_CLK_PCK
, R9A07G043_CLK_P0
,
274 DEF_MOD("sci0", R9A07G043_SCI0_CLKP
, R9A07G043_CLK_P0
,
276 DEF_MOD("sci1", R9A07G043_SCI1_CLKP
, R9A07G043_CLK_P0
,
278 DEF_MOD("rspi0", R9A07G043_RSPI0_CLKB
, R9A07G043_CLK_P0
,
280 DEF_MOD("rspi1", R9A07G043_RSPI1_CLKB
, R9A07G043_CLK_P0
,
282 DEF_MOD("rspi2", R9A07G043_RSPI2_CLKB
, R9A07G043_CLK_P0
,
284 DEF_MOD("canfd", R9A07G043_CANFD_PCLK
, R9A07G043_CLK_P0
,
286 DEF_MOD("gpio", R9A07G043_GPIO_HCLK
, R9A07G043_OSCCLK
,
288 DEF_MOD("adc_adclk", R9A07G043_ADC_ADCLK
, R9A07G043_CLK_TSU
,
290 DEF_MOD("adc_pclk", R9A07G043_ADC_PCLK
, R9A07G043_CLK_P0
,
292 DEF_MOD("tsu_pclk", R9A07G043_TSU_PCLK
, R9A07G043_CLK_TSU
,
295 DEF_MOD("nceplic_aclk", R9A07G043_NCEPLIC_ACLK
, R9A07G043_CLK_P1
,
300 static const struct rzg2l_reset r9a07g043_resets
[] = {
302 DEF_RST(R9A07G043_GIC600_GICRESET_N
, 0x814, 0),
303 DEF_RST(R9A07G043_GIC600_DBG_GICRESET_N
, 0x814, 1),
304 DEF_RST(R9A07G043_IA55_RESETN
, 0x818, 0),
307 DEF_RST(R9A07G043_IAX45_RESETN
, 0x818, 0),
309 DEF_RST(R9A07G043_DMAC_ARESETN
, 0x82c, 0),
310 DEF_RST(R9A07G043_DMAC_RST_ASYNC
, 0x82c, 1),
311 DEF_RST(R9A07G043_OSTM0_PRESETZ
, 0x834, 0),
312 DEF_RST(R9A07G043_OSTM1_PRESETZ
, 0x834, 1),
313 DEF_RST(R9A07G043_OSTM2_PRESETZ
, 0x834, 2),
314 DEF_RST(R9A07G043_MTU_X_PRESET_MTU3
, 0x838, 0),
315 DEF_RST(R9A07G043_WDT0_PRESETN
, 0x848, 0),
316 DEF_RST(R9A07G043_SPI_RST
, 0x850, 0),
317 DEF_RST(R9A07G043_SDHI0_IXRST
, 0x854, 0),
318 DEF_RST(R9A07G043_SDHI1_IXRST
, 0x854, 1),
320 DEF_RST(R9A07G043_CRU_CMN_RSTB
, 0x864, 0),
321 DEF_RST(R9A07G043_CRU_PRESETN
, 0x864, 1),
322 DEF_RST(R9A07G043_CRU_ARESETN
, 0x864, 2),
323 DEF_RST(R9A07G043_LCDC_RESET_N
, 0x86c, 0),
325 DEF_RST(R9A07G043_SSI0_RST_M2_REG
, 0x870, 0),
326 DEF_RST(R9A07G043_SSI1_RST_M2_REG
, 0x870, 1),
327 DEF_RST(R9A07G043_SSI2_RST_M2_REG
, 0x870, 2),
328 DEF_RST(R9A07G043_SSI3_RST_M2_REG
, 0x870, 3),
329 DEF_RST(R9A07G043_USB_U2H0_HRESETN
, 0x878, 0),
330 DEF_RST(R9A07G043_USB_U2H1_HRESETN
, 0x878, 1),
331 DEF_RST(R9A07G043_USB_U2P_EXL_SYSRST
, 0x878, 2),
332 DEF_RST(R9A07G043_USB_PRESETN
, 0x878, 3),
333 DEF_RST(R9A07G043_ETH0_RST_HW_N
, 0x87c, 0),
334 DEF_RST(R9A07G043_ETH1_RST_HW_N
, 0x87c, 1),
335 DEF_RST(R9A07G043_I2C0_MRST
, 0x880, 0),
336 DEF_RST(R9A07G043_I2C1_MRST
, 0x880, 1),
337 DEF_RST(R9A07G043_I2C2_MRST
, 0x880, 2),
338 DEF_RST(R9A07G043_I2C3_MRST
, 0x880, 3),
339 DEF_RST(R9A07G043_SCIF0_RST_SYSTEM_N
, 0x884, 0),
340 DEF_RST(R9A07G043_SCIF1_RST_SYSTEM_N
, 0x884, 1),
341 DEF_RST(R9A07G043_SCIF2_RST_SYSTEM_N
, 0x884, 2),
342 DEF_RST(R9A07G043_SCIF3_RST_SYSTEM_N
, 0x884, 3),
343 DEF_RST(R9A07G043_SCIF4_RST_SYSTEM_N
, 0x884, 4),
344 DEF_RST(R9A07G043_SCI0_RST
, 0x888, 0),
345 DEF_RST(R9A07G043_SCI1_RST
, 0x888, 1),
346 DEF_RST(R9A07G043_RSPI0_RST
, 0x890, 0),
347 DEF_RST(R9A07G043_RSPI1_RST
, 0x890, 1),
348 DEF_RST(R9A07G043_RSPI2_RST
, 0x890, 2),
349 DEF_RST(R9A07G043_CANFD_RSTP_N
, 0x894, 0),
350 DEF_RST(R9A07G043_CANFD_RSTC_N
, 0x894, 1),
351 DEF_RST(R9A07G043_GPIO_RSTN
, 0x898, 0),
352 DEF_RST(R9A07G043_GPIO_PORT_RESETN
, 0x898, 1),
353 DEF_RST(R9A07G043_GPIO_SPARE_RESETN
, 0x898, 2),
354 DEF_RST(R9A07G043_ADC_PRESETN
, 0x8a8, 0),
355 DEF_RST(R9A07G043_ADC_ADRST_N
, 0x8a8, 1),
356 DEF_RST(R9A07G043_TSU_PRESETN
, 0x8ac, 0),
358 DEF_RST(R9A07G043_NCEPLIC_ARESETN
, 0x908, 0),
363 static const unsigned int r9a07g043_crit_mod_clks
[] __initconst
= {
365 MOD_CLK_BASE
+ R9A07G043_GIC600_GICCLK
,
366 MOD_CLK_BASE
+ R9A07G043_IA55_CLK
,
369 MOD_CLK_BASE
+ R9A07G043_IAX45_CLK
,
370 MOD_CLK_BASE
+ R9A07G043_NCEPLIC_ACLK
,
372 MOD_CLK_BASE
+ R9A07G043_DMAC_ACLK
,
376 static const unsigned int r9a07g043_no_pm_mod_clks
[] = {
377 MOD_CLK_BASE
+ R9A07G043_CRU_SYSCLK
,
378 MOD_CLK_BASE
+ R9A07G043_CRU_VCLK
,
382 const struct rzg2l_cpg_info r9a07g043_cpg_info
= {
384 .core_clks
= r9a07g043_core_clks
,
385 .num_core_clks
= ARRAY_SIZE(r9a07g043_core_clks
),
386 .last_dt_core_clk
= LAST_DT_CORE_CLK
,
387 .num_total_core_clks
= MOD_CLK_BASE
,
389 /* Critical Module Clocks */
390 .crit_mod_clks
= r9a07g043_crit_mod_clks
,
391 .num_crit_mod_clks
= ARRAY_SIZE(r9a07g043_crit_mod_clks
),
394 .mod_clks
= r9a07g043_mod_clks
,
395 .num_mod_clks
= ARRAY_SIZE(r9a07g043_mod_clks
),
397 .num_hw_mod_clks
= R9A07G043_TSU_PCLK
+ 1,
399 /* No PM Module Clocks */
400 .no_pm_mod_clks
= r9a07g043_no_pm_mod_clks
,
401 .num_no_pm_mod_clks
= ARRAY_SIZE(r9a07g043_no_pm_mod_clks
),
404 .num_hw_mod_clks
= R9A07G043_IAX45_PCLK
+ 1,
408 .resets
= r9a07g043_resets
,
410 .num_resets
= R9A07G043_TSU_PRESETN
+ 1, /* Last reset ID + 1 */
413 .num_resets
= R9A07G043_IAX45_RESETN
+ 1, /* Last reset ID + 1 */
416 .has_clk_mon_regs
= true,