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* Samsung Exynos5250 Clock Controller
The Exynos5250 clock controller generates and supplies clock to various
controllers within the Exynos5250 SoC.
Required Properties:
- comptible: should be one of the following.
- "samsung,exynos5250-clock" - controller compatible with Exynos5250 SoC.
- reg: physical base address of the controller and length of memory mapped
region.
- #clock-cells: should be 1.
The following is the list of clocks generated by the controller. Each clock is
assigned an identifier and client nodes use this identifier to specify the
clock which they consume.
[Core Clocks]
Clock ID
----------------------------
fin_pll 1
[Clock Gate for Special Clocks]
Clock ID
----------------------------
sclk_cam_bayer 128
sclk_cam0 129
sclk_cam1 130
sclk_gscl_wa 131
sclk_gscl_wb 132
sclk_fimd1 133
sclk_mipi1 134
sclk_dp 135
sclk_hdmi 136
sclk_pixel 137
sclk_audio0 138
sclk_mmc0 139
sclk_mmc1 140
sclk_mmc2 141
sclk_mmc3 142
sclk_sata 143
sclk_usb3 144
sclk_jpeg 145
sclk_uart0 146
sclk_uart1 147
sclk_uart2 148
sclk_uart3 149
sclk_pwm 150
sclk_audio1 151
sclk_audio2 152
sclk_spdif 153
sclk_spi0 154
sclk_spi1 155
sclk_spi2 156
[Peripheral Clock Gates]
Clock ID
----------------------------
gscl0 256
gscl1 257
gscl2 258
gscl3 259
gscl_wa 260
gscl_wb 261
smmu_gscl0 262
smmu_gscl1 263
smmu_gscl2 264
smmu_gscl3 265
mfc 266
smmu_mfcl 267
smmu_mfcr 268
rotator 269
jpeg 270
mdma1 271
smmu_rotator 272
smmu_jpeg 273
smmu_mdma1 274
pdma0 275
pdma1 276
sata 277
usbotg 278
mipi_hsi 279
sdmmc0 280
sdmmc1 281
sdmmc2 282
sdmmc3 283
sromc 284
usb2 285
usb3 286
sata_phyctrl 287
sata_phyi2c 288
uart0 289
uart1 290
uart2 291
uart3 292
uart4 293
i2c0 294
i2c1 295
i2c2 296
i2c3 297
i2c4 298
i2c5 299
i2c6 300
i2c7 301
i2c_hdmi 302
adc 303
spi0 304
spi1 305
spi2 306
i2s1 307
i2s2 308
pcm1 309
pcm2 310
pwm 311
spdif 312
ac97 313
hsi2c0 314
hsi2c1 315
hs12c2 316
hs12c3 317
chipid 318
sysreg 319
pmu 320
cmu_top 321
cmu_core 322
cmu_mem 323
tzpc0 324
tzpc1 325
tzpc2 326
tzpc3 327
tzpc4 328
tzpc5 329
tzpc6 330
tzpc7 331
tzpc8 332
tzpc9 333
hdmi_cec 334
mct 335
wdt 336
rtc 337
tmu 338
fimd1 339
mie1 340
dsim0 341
dp 342
mixer 343
hdmi 345
Example 1: An example of a clock controller node is listed below.
clock: clock-controller@0x10010000 {
compatible = "samsung,exynos5250-clock";
reg = <0x10010000 0x30000>;
#clock-cells = <1>;
};
Example 2: UART controller node that consumes the clock generated by the clock
controller. Refer to the standard clock bindings for information
about 'clocks' and 'clock-names' property.
serial@13820000 {
compatible = "samsung,exynos4210-uart";
reg = <0x13820000 0x100>;
interrupts = <0 54 0>;
clocks = <&clock 314>, <&clock 153>;
clock-names = "uart", "clk_uart_baud0";
};
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