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