clk: samsung: Add clock driver for S3C64xx SoCs

This patch adds new, Common Clock Framework-based clock driver for Samsung
S3C64xx SoCs. The driver is just added, without actually letting the
platforms use it yet, since this requires more intermediate steps.

Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>

1 files changed, 178 insertions, 0 deletions

diff --git a/include/dt-bindings/clock/samsung,s3c64xx-clock.h b/include/dt-bindings/clock/samsung,s3c64xx-clock.h
new file mode 100644
index 000000000000..ad95c7f50090
--- /dev/null
+++ b/include/dt-bindings/clock/samsung,s3c64xx-clock.h
@@ -0,0 +1,178 @@
+/*
+ * Copyright (c) 2013 Tomasz Figa <tomasz.figa at gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Device Tree binding constants for Samsung S3C64xx clock controller.
+*/
+
+#ifndef _DT_BINDINGS_CLOCK_SAMSUNG_S3C64XX_CLOCK_H
+#define _DT_BINDINGS_CLOCK_SAMSUNG_S3C64XX_CLOCK_H
+
+/*
+ * Let each exported clock get a unique index, which is used on DT-enabled
+ * platforms to lookup the clock from a clock specifier. These indices are
+ * therefore considered an ABI and so must not be changed. This implies
+ * that new clocks should be added either in free spaces between clock groups
+ * or at the end.
+ */
+
+/* Core clocks. */
+#define CLK27M                  1
+#define CLK48M                  2
+#define FOUT_APLL               3
+#define FOUT_MPLL               4
+#define FOUT_EPLL               5
+#define ARMCLK                  6
+#define HCLKX2                  7
+#define HCLK                    8
+#define PCLK                    9
+
+/* HCLK bus clocks. */
+#define HCLK_3DSE               16
+#define HCLK_UHOST              17
+#define HCLK_SECUR              18
+#define HCLK_SDMA1              19
+#define HCLK_SDMA0              20
+#define HCLK_IROM               21
+#define HCLK_DDR1               22
+#define HCLK_MEM1               23
+#define HCLK_MEM0               24
+#define HCLK_USB                25
+#define HCLK_HSMMC2             26
+#define HCLK_HSMMC1             27
+#define HCLK_HSMMC0             28
+#define HCLK_MDP                29
+#define HCLK_DHOST              30
+#define HCLK_IHOST              31
+#define HCLK_DMA1               32
+#define HCLK_DMA0               33
+#define HCLK_JPEG               34
+#define HCLK_CAMIF              35
+#define HCLK_SCALER             36
+#define HCLK_2D                 37
+#define HCLK_TV                 38
+#define HCLK_POST0              39
+#define HCLK_ROT                40
+#define HCLK_LCD                41
+#define HCLK_TZIC               42
+#define HCLK_INTC               43
+#define HCLK_MFC                44
+#define HCLK_DDR0               45
+
+/* PCLK bus clocks. */
+#define PCLK_IIC1               48
+#define PCLK_IIS2               49
+#define PCLK_SKEY               50
+#define PCLK_CHIPID             51
+#define PCLK_SPI1               52
+#define PCLK_SPI0               53
+#define PCLK_HSIRX              54
+#define PCLK_HSITX              55
+#define PCLK_GPIO               56
+#define PCLK_IIC0               57
+#define PCLK_IIS1               58
+#define PCLK_IIS0               59
+#define PCLK_AC97               60
+#define PCLK_TZPC               61
+#define PCLK_TSADC              62
+#define PCLK_KEYPAD             63
+#define PCLK_IRDA               64
+#define PCLK_PCM1               65
+#define PCLK_PCM0               66
+#define PCLK_PWM                67
+#define PCLK_RTC                68
+#define PCLK_WDT                69
+#define PCLK_UART3              70
+#define PCLK_UART2              71
+#define PCLK_UART1              72
+#define PCLK_UART0              73
+#define PCLK_MFC                74
+
+/* Special clocks. */
+#define SCLK_UHOST              80
+#define SCLK_MMC2_48            81
+#define SCLK_MMC1_48            82
+#define SCLK_MMC0_48            83
+#define SCLK_MMC2               84
+#define SCLK_MMC1               85
+#define SCLK_MMC0               86
+#define SCLK_SPI1_48            87
+#define SCLK_SPI0_48            88
+#define SCLK_SPI1               89
+#define SCLK_SPI0               90
+#define SCLK_DAC27              91
+#define SCLK_TV27               92
+#define SCLK_SCALER27           93
+#define SCLK_SCALER             94
+#define SCLK_LCD27              95
+#define SCLK_LCD                96
+#define SCLK_FIMC               97
+#define SCLK_POST0_27           98
+#define SCLK_AUDIO2             99
+#define SCLK_POST0              100
+#define SCLK_AUDIO1             101
+#define SCLK_AUDIO0             102
+#define SCLK_SECUR              103
+#define SCLK_IRDA               104
+#define SCLK_UART               105
+#define SCLK_MFC                106
+#define SCLK_CAM                107
+#define SCLK_JPEG               108
+#define SCLK_ONENAND            109
+
+/* MEM0 bus clocks - S3C6410-specific. */
+#define MEM0_CFCON              112
+#define MEM0_ONENAND1           113
+#define MEM0_ONENAND0           114
+#define MEM0_NFCON              115
+#define MEM0_SROM               116
+
+/* Muxes. */
+#define MOUT_APLL               128
+#define MOUT_MPLL               129
+#define MOUT_EPLL               130
+#define MOUT_MFC                131
+#define MOUT_AUDIO0             132
+#define MOUT_AUDIO1             133
+#define MOUT_UART               134
+#define MOUT_SPI0               135
+#define MOUT_SPI1               136
+#define MOUT_MMC0               137
+#define MOUT_MMC1               138
+#define MOUT_MMC2               139
+#define MOUT_UHOST              140
+#define MOUT_IRDA               141
+#define MOUT_LCD                142
+#define MOUT_SCALER             143
+#define MOUT_DAC27              144
+#define MOUT_TV27               145
+#define MOUT_AUDIO2             146
+
+/* Dividers. */
+#define DOUT_MPLL               160
+#define DOUT_SECUR              161
+#define DOUT_CAM                162
+#define DOUT_JPEG               163
+#define DOUT_MFC                164
+#define DOUT_MMC0               165
+#define DOUT_MMC1               166
+#define DOUT_MMC2               167
+#define DOUT_LCD                168
+#define DOUT_SCALER             169
+#define DOUT_UHOST              170
+#define DOUT_SPI0               171
+#define DOUT_SPI1               172
+#define DOUT_AUDIO0             173
+#define DOUT_AUDIO1             174
+#define DOUT_UART               175
+#define DOUT_IRDA               176
+#define DOUT_FIMC               177
+#define DOUT_AUDIO2             178
+
+/* Total number of clocks. */
+#define NR_CLKS                 (DOUT_AUDIO2 + 1)
+
+#endif /* _DT_BINDINGS_CLOCK_SAMSUNG_S3C64XX_CLOCK_H */