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* Samsung Exynos5420 Clock Controller
The Exynos5420 clock controller generates and supplies clock to various
controllers within the Exynos5420 SoC.
Required Properties:
- comptible: should be one of the following.
- "samsung,exynos5420-clock" - controller compatible with Exynos5420 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_uart0 128
sclk_uart1 129
sclk_uart2 130
sclk_uart3 131
sclk_mmc0 132
sclk_mmc1 133
sclk_mmc2 134
sclk_spi0 135
sclk_spi1 136
sclk_spi2 137
sclk_i2s1 138
sclk_i2s2 139
sclk_pcm1 140
sclk_pcm2 141
sclk_spdif 142
sclk_hdmi 143
sclk_pixel 144
sclk_dp1 145
sclk_mipi1 146
sclk_fimd1 147
sclk_maudio0 148
sclk_maupcm0 149
sclk_usbd300 150
sclk_usbd301 151
sclk_usbphy300 152
sclk_usbphy301 153
sclk_unipro 154
sclk_pwm 155
sclk_gscl_wa 156
sclk_gscl_wb 157
sclk_hdmiphy 158
[Peripheral Clock Gates]
Clock ID
----------------------------
aclk66_peric 256
uart0 257
uart1 258
uart2 259
uart3 260
i2c0 261
i2c1 262
i2c2 263
i2c3 264
i2c4 265
i2c5 266
i2c6 267
i2c7 268
i2c_hdmi 269
tsadc 270
spi0 271
spi1 272
spi2 273
keyif 274
i2s1 275
i2s2 276
pcm1 277
pcm2 278
pwm 279
spdif 280
i2c8 281
i2c9 282
i2c10 283
aclk66_psgen 300
chipid 301
sysreg 302
tzpc0 303
tzpc1 304
tzpc2 305
tzpc3 306
tzpc4 307
tzpc5 308
tzpc6 309
tzpc7 310
tzpc8 311
tzpc9 312
hdmi_cec 313
seckey 314
mct 315
wdt 316
rtc 317
tmu 318
tmu_gpu 319
pclk66_gpio 330
aclk200_fsys2 350
mmc0 351
mmc1 352
mmc2 353
sromc 354
ufs 355
aclk200_fsys 360
tsi 361
pdma0 362
pdma1 363
rtic 364
usbh20 365
usbd300 366
usbd301 377
aclk400_mscl 380
mscl0 381
mscl1 382
mscl2 383
smmu_mscl0 384
smmu_mscl1 385
smmu_mscl2 386
aclk333 400
mfc 401
smmu_mfcl 402
smmu_mfcr 403
aclk200_disp1 410
dsim1 411
dp1 412
hdmi 413
aclk300_disp1 420
fimd1 421
smmu_fimd1 422
aclk166 430
mixer 431
aclk266 440
rotator 441
mdma1 442
smmu_rotator 443
smmu_mdma1 444
aclk300_jpeg 450
jpeg 451
jpeg2 452
smmu_jpeg 453
aclk300_gscl 460
smmu_gscl0 461
smmu_gscl1 462
gscl_wa 463
gscl_wb 464
gscl0 465
gscl1 466
clk_3aa 467
aclk266_g2d 470
sss 471
slim_sss 472
mdma0 473
aclk333_g2d 480
g2d 481
aclk333_432_gscl 490
smmu_3aa 491
smmu_fimcl0 492
smmu_fimcl1 493
smmu_fimcl3 494
fimc_lite3 495
aclk_g3d 500
g3d 501
smmu_mixer 502
Mux ID
----------------------------
mout_hdmi 640
Divider ID
----------------------------
dout_pixel 768
Example 1: An example of a clock controller node is listed below.
clock: clock-controller@0x10010000 {
compatible = "samsung,exynos5420-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 259>, <&clock 130>;
clock-names = "uart", "clk_uart_baud0";
};
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