1 /*
2  * (C) Copyright 2009
3  * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 #ifndef __ASM_ARCH_CLOCK_H
9 #define __ASM_ARCH_CLOCK_H
10 
11 #include <common.h>
12 
13 #ifdef CONFIG_SYS_MX6_HCLK
14 #define MXC_HCLK	CONFIG_SYS_MX6_HCLK
15 #else
16 #define MXC_HCLK	24000000
17 #endif
18 
19 #ifdef CONFIG_SYS_MX6_CLK32
20 #define MXC_CLK32	CONFIG_SYS_MX6_CLK32
21 #else
22 #define MXC_CLK32	32768
23 #endif
24 
25 enum mxc_clock {
26 	MXC_ARM_CLK = 0,
27 	MXC_PER_CLK,
28 	MXC_AHB_CLK,
29 	MXC_IPG_CLK,
30 	MXC_IPG_PERCLK,
31 	MXC_UART_CLK,
32 	MXC_CSPI_CLK,
33 	MXC_AXI_CLK,
34 	MXC_EMI_SLOW_CLK,
35 	MXC_DDR_CLK,
36 	MXC_ESDHC_CLK,
37 	MXC_ESDHC2_CLK,
38 	MXC_ESDHC3_CLK,
39 	MXC_ESDHC4_CLK,
40 	MXC_SATA_CLK,
41 	MXC_NFC_CLK,
42 	MXC_I2C_CLK,
43 };
44 
45 enum ldb_di_clock {
46 	MXC_PLL5_CLK = 0,
47 	MXC_PLL2_PFD0_CLK,
48 	MXC_PLL2_PFD2_CLK,
49 	MXC_MMDC_CH1_CLK,
50 	MXC_PLL3_SW_CLK,
51 };
52 
53 enum enet_freq {
54 	ENET_25MHZ,
55 	ENET_50MHZ,
56 	ENET_100MHZ,
57 	ENET_125MHZ,
58 };
59 
60 u32 imx_get_uartclk(void);
61 u32 imx_get_fecclk(void);
62 unsigned int mxc_get_clock(enum mxc_clock clk);
63 void setup_gpmi_io_clk(u32 cfg);
64 void hab_caam_clock_enable(unsigned char enable);
65 void enable_ocotp_clk(unsigned char enable);
66 void enable_usboh3_clk(unsigned char enable);
67 void enable_uart_clk(unsigned char enable);
68 int enable_usdhc_clk(unsigned char enable, unsigned bus_num);
69 int enable_sata_clock(void);
70 void disable_sata_clock(void);
71 int enable_pcie_clock(void);
72 int enable_i2c_clk(unsigned char enable, unsigned i2c_num);
73 int enable_spi_clk(unsigned char enable, unsigned spi_num);
74 void enable_ipu_clock(void);
75 int enable_fec_anatop_clock(int fec_id, enum enet_freq freq);
76 void enable_enet_clk(unsigned char enable);
77 int enable_lcdif_clock(u32 base_addr, bool enable);
78 void enable_qspi_clk(int qspi_num);
79 void enable_thermal_clk(void);
80 void mxs_set_lcdclk(u32 base_addr, u32 freq);
81 void select_ldb_di_clock_source(enum ldb_di_clock clk);
82 void enable_eim_clk(unsigned char enable);
83 int do_mx6_showclocks(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
84 #endif /* __ASM_ARCH_CLOCK_H */
85