xref: /rk3399_rockchip-uboot/arch/arm/include/asm/arch-am33xx/clk_synthesizer.h (revision dc557e9a1fe00ca9d884bd88feef5bebf23fede4)
1*3164f3c6SLokesh Vutla /*
2*3164f3c6SLokesh Vutla  * clk-synthesizer.h
3*3164f3c6SLokesh Vutla  *
4*3164f3c6SLokesh Vutla  * Clock synthesizer header
5*3164f3c6SLokesh Vutla  *
6*3164f3c6SLokesh Vutla  * Copyright (C) 2016, Texas Instruments, Incorporated - http://www.ti.com/
7*3164f3c6SLokesh Vutla  *
8*3164f3c6SLokesh Vutla  * SPDX-License-Identifier:	GPL-2.0+
9*3164f3c6SLokesh Vutla  */
10*3164f3c6SLokesh Vutla 
11*3164f3c6SLokesh Vutla #ifndef __CLK_SYNTHESIZER_H
12*3164f3c6SLokesh Vutla #define __CLK_SYNTHESIZER_H
13*3164f3c6SLokesh Vutla 
14*3164f3c6SLokesh Vutla #include <common.h>
15*3164f3c6SLokesh Vutla 
16*3164f3c6SLokesh Vutla #define CLK_SYNTHESIZER_ID_REG		0x0
17*3164f3c6SLokesh Vutla #define CLK_SYNTHESIZER_XCSEL		0x05
18*3164f3c6SLokesh Vutla #define CLK_SYNTHESIZER_MUX_REG		0x14
19*3164f3c6SLokesh Vutla #define CLK_SYNTHESIZER_PDIV2_REG	0x16
20*3164f3c6SLokesh Vutla #define CLK_SYNTHESIZER_PDIV3_REG	0x17
21*3164f3c6SLokesh Vutla 
22*3164f3c6SLokesh Vutla #define CLK_SYNTHESIZER_BYTE_MODE	0x80
23*3164f3c6SLokesh Vutla 
24*3164f3c6SLokesh Vutla /**
25*3164f3c6SLokesh Vutla  * struct clk_synth: This structure holds data neeed for configuring
26*3164f3c6SLokesh Vutla  *		     for clock synthesizer.
27*3164f3c6SLokesh Vutla  * @id: The id of synthesizer
28*3164f3c6SLokesh Vutla  * @capacitor: value of the capacitor attached
29*3164f3c6SLokesh Vutla  * @mux: mux settings.
30*3164f3c6SLokesh Vutla  * @pdiv2: Div to be applied to second output
31*3164f3c6SLokesh Vutla  * @pdiv3: Div to be applied to third output
32*3164f3c6SLokesh Vutla  */
33*3164f3c6SLokesh Vutla struct clk_synth {
34*3164f3c6SLokesh Vutla 	u32 id;
35*3164f3c6SLokesh Vutla 	u32 capacitor;
36*3164f3c6SLokesh Vutla 	u32 mux;
37*3164f3c6SLokesh Vutla 	u32 pdiv2;
38*3164f3c6SLokesh Vutla 	u32 pdiv3;
39*3164f3c6SLokesh Vutla };
40*3164f3c6SLokesh Vutla 
41*3164f3c6SLokesh Vutla int setup_clock_synthesizer(struct clk_synth *data);
42*3164f3c6SLokesh Vutla 
43*3164f3c6SLokesh Vutla #endif
44