xref: /freebsd-src/sys/contrib/device-tree/include/dt-bindings/clock/s3c2443.h (revision c66ec88fed842fbaad62c30d510644ceb7bd2d71)

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright (c) 2013 Heiko Stuebner <heiko@sntech.de>
 *
 * Device Tree binding constants clock controllers of Samsung S3C2443 and later.
 */

#ifndef _DT_BINDINGS_CLOCK_SAMSUNG_S3C2443_CLOCK_H
#define _DT_BINDINGS_CLOCK_SAMSUNG_S3C2443_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 MSYSCLK			1
#define ESYSCLK			2
#define ARMDIV			3
#define ARMCLK			4
#define HCLK			5
#define PCLK			6
#define MPLL			7
#define EPLL			8

/* Special clocks */
#define SCLK_HSSPI0		16
#define SCLK_FIMD		17
#define SCLK_I2S0		18
#define SCLK_I2S1		19
#define SCLK_HSMMC1		20
#define SCLK_HSMMC_EXT		21
#define SCLK_CAM		22
#define SCLK_UART		23
#define SCLK_USBH		24

/* Muxes */
#define MUX_HSSPI0		32
#define MUX_HSSPI1		33
#define MUX_HSMMC0		34
#define MUX_HSMMC1		35

/* hclk-gates */
#define HCLK_DMA0		48
#define HCLK_DMA1		49
#define HCLK_DMA2		50
#define HCLK_DMA3		51
#define HCLK_DMA4		52
#define HCLK_DMA5		53
#define HCLK_DMA6		54
#define HCLK_DMA7		55
#define HCLK_CAM		56
#define HCLK_LCD		57
#define HCLK_USBH		58
#define HCLK_USBD		59
#define HCLK_IROM		60
#define HCLK_HSMMC0		61
#define HCLK_HSMMC1		62
#define HCLK_CFC		63
#define HCLK_SSMC		64
#define HCLK_DRAM		65
#define HCLK_2D			66

/* pclk-gates */
#define PCLK_UART0		72
#define PCLK_UART1		73
#define PCLK_UART2		74
#define PCLK_UART3		75
#define PCLK_I2C0		76
#define PCLK_SDI		77
#define PCLK_SPI0		78
#define PCLK_ADC		79
#define PCLK_AC97		80
#define PCLK_I2S0		81
#define PCLK_PWM		82
#define PCLK_WDT		83
#define PCLK_RTC		84
#define PCLK_GPIO		85
#define PCLK_SPI1		86
#define PCLK_CHIPID		87
#define PCLK_I2C1		88
#define PCLK_I2S1		89
#define PCLK_PCM		90

/* Total number of clocks. */
#define NR_CLKS			(PCLK_PCM + 1)

#endif /* _DT_BINDINGS_CLOCK_SAMSUNG_S3C2443_CLOCK_H */