xref: /freebsd/sys/contrib/device-tree/include/dt-bindings/clock/s3c2443.h (revision e32fecd0c2c3ee37c47ee100f169e7eb0282a873)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Copyright (c) 2013 Heiko Stuebner <heiko@sntech.de>
4  *
5  * Device Tree binding constants clock controllers of Samsung S3C2443 and later.
6  */
7 
8 #ifndef _DT_BINDINGS_CLOCK_SAMSUNG_S3C2443_CLOCK_H
9 #define _DT_BINDINGS_CLOCK_SAMSUNG_S3C2443_CLOCK_H
10 
11 /*
12  * Let each exported clock get a unique index, which is used on DT-enabled
13  * platforms to lookup the clock from a clock specifier. These indices are
14  * therefore considered an ABI and so must not be changed. This implies
15  * that new clocks should be added either in free spaces between clock groups
16  * or at the end.
17  */
18 
19 /* Core clocks. */
20 #define MSYSCLK			1
21 #define ESYSCLK			2
22 #define ARMDIV			3
23 #define ARMCLK			4
24 #define HCLK			5
25 #define PCLK			6
26 #define MPLL			7
27 #define EPLL			8
28 
29 /* Special clocks */
30 #define SCLK_HSSPI0		16
31 #define SCLK_FIMD		17
32 #define SCLK_I2S0		18
33 #define SCLK_I2S1		19
34 #define SCLK_HSMMC1		20
35 #define SCLK_HSMMC_EXT		21
36 #define SCLK_CAM		22
37 #define SCLK_UART		23
38 #define SCLK_USBH		24
39 
40 /* Muxes */
41 #define MUX_HSSPI0		32
42 #define MUX_HSSPI1		33
43 #define MUX_HSMMC0		34
44 #define MUX_HSMMC1		35
45 
46 /* hclk-gates */
47 #define HCLK_DMA0		48
48 #define HCLK_DMA1		49
49 #define HCLK_DMA2		50
50 #define HCLK_DMA3		51
51 #define HCLK_DMA4		52
52 #define HCLK_DMA5		53
53 #define HCLK_DMA6		54
54 #define HCLK_DMA7		55
55 #define HCLK_CAM		56
56 #define HCLK_LCD		57
57 #define HCLK_USBH		58
58 #define HCLK_USBD		59
59 #define HCLK_IROM		60
60 #define HCLK_HSMMC0		61
61 #define HCLK_HSMMC1		62
62 #define HCLK_CFC		63
63 #define HCLK_SSMC		64
64 #define HCLK_DRAM		65
65 #define HCLK_2D			66
66 
67 /* pclk-gates */
68 #define PCLK_UART0		72
69 #define PCLK_UART1		73
70 #define PCLK_UART2		74
71 #define PCLK_UART3		75
72 #define PCLK_I2C0		76
73 #define PCLK_SDI		77
74 #define PCLK_SPI0		78
75 #define PCLK_ADC		79
76 #define PCLK_AC97		80
77 #define PCLK_I2S0		81
78 #define PCLK_PWM		82
79 #define PCLK_WDT		83
80 #define PCLK_RTC		84
81 #define PCLK_GPIO		85
82 #define PCLK_SPI1		86
83 #define PCLK_CHIPID		87
84 #define PCLK_I2C1		88
85 #define PCLK_I2S1		89
86 #define PCLK_PCM		90
87 
88 /* Total number of clocks. */
89 #define NR_CLKS			(PCLK_PCM + 1)
90 
91 #endif /* _DT_BINDINGS_CLOCK_SAMSUNG_S3C2443_CLOCK_H */
92