xref: /freebsd/sys/contrib/device-tree/include/dt-bindings/clock/s3c2410.h (revision c66ec88fed842fbaad62c30d510644ceb7bd2d71)
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 S3C2410 and later.
6  */
7 
8 #ifndef _DT_BINDINGS_CLOCK_SAMSUNG_S3C2410_CLOCK_H
9 #define _DT_BINDINGS_CLOCK_SAMSUNG_S3C2410_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 
21 /* id 1 is reserved */
22 #define MPLL			2
23 #define UPLL			3
24 #define FCLK			4
25 #define HCLK			5
26 #define PCLK			6
27 #define UCLK			7
28 #define ARMCLK			8
29 
30 /* pclk-gates */
31 #define PCLK_UART0		16
32 #define PCLK_UART1		17
33 #define PCLK_UART2		18
34 #define PCLK_I2C		19
35 #define PCLK_SDI		20
36 #define PCLK_SPI		21
37 #define PCLK_ADC		22
38 #define PCLK_AC97		23
39 #define PCLK_I2S		24
40 #define PCLK_PWM		25
41 #define PCLK_RTC		26
42 #define PCLK_GPIO		27
43 
44 
45 /* hclk-gates */
46 #define HCLK_LCD		32
47 #define HCLK_USBH		33
48 #define HCLK_USBD		34
49 #define HCLK_NAND		35
50 #define HCLK_CAM		36
51 
52 
53 #define CAMIF			40
54 
55 
56 /* Total number of clocks. */
57 #define NR_CLKS			(CAMIF + 1)
58 
59 #endif /* _DT_BINDINGS_CLOCK_SAMSUNG_S3C2443_CLOCK_H */
60