xref: /OK3568_Linux_fs/u-boot/arch/arm/include/asm/arch-mx6/clock.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * (C) Copyright 2009
3*4882a593Smuzhiyun  * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
6*4882a593Smuzhiyun  */
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun #ifndef __ASM_ARCH_CLOCK_H
9*4882a593Smuzhiyun #define __ASM_ARCH_CLOCK_H
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #include <common.h>
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun #ifdef CONFIG_SYS_MX6_HCLK
14*4882a593Smuzhiyun #define MXC_HCLK	CONFIG_SYS_MX6_HCLK
15*4882a593Smuzhiyun #else
16*4882a593Smuzhiyun #define MXC_HCLK	24000000
17*4882a593Smuzhiyun #endif
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun #ifdef CONFIG_SYS_MX6_CLK32
20*4882a593Smuzhiyun #define MXC_CLK32	CONFIG_SYS_MX6_CLK32
21*4882a593Smuzhiyun #else
22*4882a593Smuzhiyun #define MXC_CLK32	32768
23*4882a593Smuzhiyun #endif
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun enum mxc_clock {
26*4882a593Smuzhiyun 	MXC_ARM_CLK = 0,
27*4882a593Smuzhiyun 	MXC_PER_CLK,
28*4882a593Smuzhiyun 	MXC_AHB_CLK,
29*4882a593Smuzhiyun 	MXC_IPG_CLK,
30*4882a593Smuzhiyun 	MXC_IPG_PERCLK,
31*4882a593Smuzhiyun 	MXC_UART_CLK,
32*4882a593Smuzhiyun 	MXC_CSPI_CLK,
33*4882a593Smuzhiyun 	MXC_AXI_CLK,
34*4882a593Smuzhiyun 	MXC_EMI_SLOW_CLK,
35*4882a593Smuzhiyun 	MXC_DDR_CLK,
36*4882a593Smuzhiyun 	MXC_ESDHC_CLK,
37*4882a593Smuzhiyun 	MXC_ESDHC2_CLK,
38*4882a593Smuzhiyun 	MXC_ESDHC3_CLK,
39*4882a593Smuzhiyun 	MXC_ESDHC4_CLK,
40*4882a593Smuzhiyun 	MXC_SATA_CLK,
41*4882a593Smuzhiyun 	MXC_NFC_CLK,
42*4882a593Smuzhiyun 	MXC_I2C_CLK,
43*4882a593Smuzhiyun };
44*4882a593Smuzhiyun 
45*4882a593Smuzhiyun enum ldb_di_clock {
46*4882a593Smuzhiyun 	MXC_PLL5_CLK = 0,
47*4882a593Smuzhiyun 	MXC_PLL2_PFD0_CLK,
48*4882a593Smuzhiyun 	MXC_PLL2_PFD2_CLK,
49*4882a593Smuzhiyun 	MXC_MMDC_CH1_CLK,
50*4882a593Smuzhiyun 	MXC_PLL3_SW_CLK,
51*4882a593Smuzhiyun };
52*4882a593Smuzhiyun 
53*4882a593Smuzhiyun enum enet_freq {
54*4882a593Smuzhiyun 	ENET_25MHZ,
55*4882a593Smuzhiyun 	ENET_50MHZ,
56*4882a593Smuzhiyun 	ENET_100MHZ,
57*4882a593Smuzhiyun 	ENET_125MHZ,
58*4882a593Smuzhiyun };
59*4882a593Smuzhiyun 
60*4882a593Smuzhiyun u32 imx_get_uartclk(void);
61*4882a593Smuzhiyun u32 imx_get_fecclk(void);
62*4882a593Smuzhiyun unsigned int mxc_get_clock(enum mxc_clock clk);
63*4882a593Smuzhiyun void setup_gpmi_io_clk(u32 cfg);
64*4882a593Smuzhiyun void hab_caam_clock_enable(unsigned char enable);
65*4882a593Smuzhiyun void enable_ocotp_clk(unsigned char enable);
66*4882a593Smuzhiyun void enable_usboh3_clk(unsigned char enable);
67*4882a593Smuzhiyun void enable_uart_clk(unsigned char enable);
68*4882a593Smuzhiyun int enable_usdhc_clk(unsigned char enable, unsigned bus_num);
69*4882a593Smuzhiyun int enable_sata_clock(void);
70*4882a593Smuzhiyun void disable_sata_clock(void);
71*4882a593Smuzhiyun int enable_pcie_clock(void);
72*4882a593Smuzhiyun int enable_i2c_clk(unsigned char enable, unsigned i2c_num);
73*4882a593Smuzhiyun int enable_spi_clk(unsigned char enable, unsigned spi_num);
74*4882a593Smuzhiyun void enable_ipu_clock(void);
75*4882a593Smuzhiyun int enable_fec_anatop_clock(int fec_id, enum enet_freq freq);
76*4882a593Smuzhiyun void enable_enet_clk(unsigned char enable);
77*4882a593Smuzhiyun int enable_lcdif_clock(u32 base_addr, bool enable);
78*4882a593Smuzhiyun void enable_qspi_clk(int qspi_num);
79*4882a593Smuzhiyun void enable_thermal_clk(void);
80*4882a593Smuzhiyun void mxs_set_lcdclk(u32 base_addr, u32 freq);
81*4882a593Smuzhiyun void select_ldb_di_clock_source(enum ldb_di_clock clk);
82*4882a593Smuzhiyun void enable_eim_clk(unsigned char enable);
83*4882a593Smuzhiyun #endif /* __ASM_ARCH_CLOCK_H */
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