The patch replaces magic numbers with macros defined in DT header
in exynos5420 clock bindings.
Signed-off-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
.../devicetree/bindings/clock/exynos5420-clock.txt | 184 +--------------------
arch/arm/boot/dts/exynos5420.dtsi | 13 +-
2 files changed, 13 insertions(+), 184 deletions(-)
diff --git a/Documentation/devicetree/bindings/clock/exynos5420-clock.txt b/Documentation/devicetree/bindings/clock/exynos5420-clock.txt
index 32aa34e..785162a 100644
--- a/Documentation/devicetree/bindings/clock/exynos5420-clock.txt
+++ b/Documentation/devicetree/bindings/clock/exynos5420-clock.txt
@@ -13,184 +13,12 @@ Required Properties:
- #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.
+Each clock is assigned an identifier and client nodes can 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
+All available clocks are defined as preprocessor macros in
+dt-bindings/clock/exynos5420.h header and can be used in device
+tree sources.
Example 1: An example of a clock controller node is listed below.
@@ -208,6 +36,6 @@ Example 2: UART controller node that consumes the clock generated by the clock
compatible = "samsung,exynos4210-uart";
reg = <0x13820000 0x100>;
interrupts = <0 54 0>;
- clocks = <&clock 259>, <&clock 130>;
+ clocks = <&clock CLK_UART2>, <&clock CLK_SCLK_UART2>;
clock-names = "uart", "clk_uart_baud0";
};
diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi
index 8c54c4b..4ded4aa 100644
--- a/arch/arm/boot/dts/exynos5420.dtsi
+++ b/arch/arm/boot/dts/exynos5420.dtsi
@@ -13,8 +13,9 @@
* published by the Free Software Foundation.
*/
+#include <dt-bindings/clock/exynos5420.h>
#include "exynos5.dtsi"
-/include/ "exynos5420-pinctrl.dtsi"
+#include "exynos5420-pinctrl.dtsi"
/ {
compatible = "samsung,exynos5420";
@@ -72,7 +73,7 @@
#interrups-cells = <1>;
interrupt-parent = <&mct_map>;
interrupts = <0>, <1>, <2>, <3>, <4>, <5>, <6>, <7>;
- clocks = <&clock 1>, <&clock 315>;
+ clocks = <&clock CLK_FIN_PLL>, <&clock CLK_MCT>;
clock-names = "fin_pll", "mct";
mct_map: mct-map {
@@ -127,22 +128,22 @@
};
serial@12C00000 {
- clocks = <&clock 257>, <&clock 128>;
+ clocks = <&clock CLK_UART0>, <&clock CLK_SCLK_UART0>;
clock-names = "uart", "clk_uart_baud0";
};
serial@12C10000 {
- clocks = <&clock 258>, <&clock 129>;
+ clocks = <&clock CLK_UART1>, <&clock CLK_SCLK_UART1>;
clock-names = "uart", "clk_uart_baud0";
};
serial@12C20000 {
- clocks = <&clock 259>, <&clock 130>;
+ clocks = <&clock CLK_UART2>, <&clock CLK_SCLK_UART2>;
clock-names = "uart", "clk_uart_baud0";
};
serial@12C30000 {
- clocks = <&clock 260>, <&clock 131>;
+ clocks = <&clock CLK_UART3>, <&clock CLK_SCLK_UART3>;
clock-names = "uart", "clk_uart_baud0";
};
};
--
1.8.1.2
--
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