xref: /freebsd-src/sys/contrib/device-tree/include/dt-bindings/clock/s3c2410.h (revision c66ec88fed842fbaad62c30d510644ceb7bd2d71)
1*c66ec88fSEmmanuel Vadot /* SPDX-License-Identifier: GPL-2.0 */
2*c66ec88fSEmmanuel Vadot /*
3*c66ec88fSEmmanuel Vadot  * Copyright (c) 2013 Heiko Stuebner <heiko@sntech.de>
4*c66ec88fSEmmanuel Vadot  *
5*c66ec88fSEmmanuel Vadot  * Device Tree binding constants clock controllers of Samsung S3C2410 and later.
6*c66ec88fSEmmanuel Vadot  */
7*c66ec88fSEmmanuel Vadot 
8*c66ec88fSEmmanuel Vadot #ifndef _DT_BINDINGS_CLOCK_SAMSUNG_S3C2410_CLOCK_H
9*c66ec88fSEmmanuel Vadot #define _DT_BINDINGS_CLOCK_SAMSUNG_S3C2410_CLOCK_H
10*c66ec88fSEmmanuel Vadot 
11*c66ec88fSEmmanuel Vadot /*
12*c66ec88fSEmmanuel Vadot  * Let each exported clock get a unique index, which is used on DT-enabled
13*c66ec88fSEmmanuel Vadot  * platforms to lookup the clock from a clock specifier. These indices are
14*c66ec88fSEmmanuel Vadot  * therefore considered an ABI and so must not be changed. This implies
15*c66ec88fSEmmanuel Vadot  * that new clocks should be added either in free spaces between clock groups
16*c66ec88fSEmmanuel Vadot  * or at the end.
17*c66ec88fSEmmanuel Vadot  */
18*c66ec88fSEmmanuel Vadot 
19*c66ec88fSEmmanuel Vadot /* Core clocks. */
20*c66ec88fSEmmanuel Vadot 
21*c66ec88fSEmmanuel Vadot /* id 1 is reserved */
22*c66ec88fSEmmanuel Vadot #define MPLL			2
23*c66ec88fSEmmanuel Vadot #define UPLL			3
24*c66ec88fSEmmanuel Vadot #define FCLK			4
25*c66ec88fSEmmanuel Vadot #define HCLK			5
26*c66ec88fSEmmanuel Vadot #define PCLK			6
27*c66ec88fSEmmanuel Vadot #define UCLK			7
28*c66ec88fSEmmanuel Vadot #define ARMCLK			8
29*c66ec88fSEmmanuel Vadot 
30*c66ec88fSEmmanuel Vadot /* pclk-gates */
31*c66ec88fSEmmanuel Vadot #define PCLK_UART0		16
32*c66ec88fSEmmanuel Vadot #define PCLK_UART1		17
33*c66ec88fSEmmanuel Vadot #define PCLK_UART2		18
34*c66ec88fSEmmanuel Vadot #define PCLK_I2C		19
35*c66ec88fSEmmanuel Vadot #define PCLK_SDI		20
36*c66ec88fSEmmanuel Vadot #define PCLK_SPI		21
37*c66ec88fSEmmanuel Vadot #define PCLK_ADC		22
38*c66ec88fSEmmanuel Vadot #define PCLK_AC97		23
39*c66ec88fSEmmanuel Vadot #define PCLK_I2S		24
40*c66ec88fSEmmanuel Vadot #define PCLK_PWM		25
41*c66ec88fSEmmanuel Vadot #define PCLK_RTC		26
42*c66ec88fSEmmanuel Vadot #define PCLK_GPIO		27
43*c66ec88fSEmmanuel Vadot 
44*c66ec88fSEmmanuel Vadot 
45*c66ec88fSEmmanuel Vadot /* hclk-gates */
46*c66ec88fSEmmanuel Vadot #define HCLK_LCD		32
47*c66ec88fSEmmanuel Vadot #define HCLK_USBH		33
48*c66ec88fSEmmanuel Vadot #define HCLK_USBD		34
49*c66ec88fSEmmanuel Vadot #define HCLK_NAND		35
50*c66ec88fSEmmanuel Vadot #define HCLK_CAM		36
51*c66ec88fSEmmanuel Vadot 
52*c66ec88fSEmmanuel Vadot 
53*c66ec88fSEmmanuel Vadot #define CAMIF			40
54*c66ec88fSEmmanuel Vadot 
55*c66ec88fSEmmanuel Vadot 
56*c66ec88fSEmmanuel Vadot /* Total number of clocks. */
57*c66ec88fSEmmanuel Vadot #define NR_CLKS			(CAMIF + 1)
58*c66ec88fSEmmanuel Vadot 
59*c66ec88fSEmmanuel Vadot #endif /* _DT_BINDINGS_CLOCK_SAMSUNG_S3C2443_CLOCK_H */
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