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Lukasz Majewski87e460c2019-06-24 15:50:50 +02001/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * Copyright (C) 2019
4 * Lukasz Majewski, DENX Software Engineering, lukma@denx.de
5 */
6
7#ifndef __SANDBOX_CLK_H__
8#define __SANDBOX_CLK_H__
9
10#include <linux/clk-provider.h>
11
12enum {
13 SANDBOX_CLK_PLL2 = 1,
14 SANDBOX_CLK_PLL3,
15 SANDBOX_CLK_PLL3_60M,
16 SANDBOX_CLK_PLL3_80M,
17 SANDBOX_CLK_ECSPI_ROOT,
18 SANDBOX_CLK_ECSPI0,
19 SANDBOX_CLK_ECSPI1,
20 SANDBOX_CLK_USDHC1_SEL,
21 SANDBOX_CLK_USDHC2_SEL,
Peng Fan8f611dc2019-07-31 07:02:02 +000022 SANDBOX_CLK_I2C,
Lukasz Majewski87e460c2019-06-24 15:50:50 +020023};
24
25enum sandbox_pllv3_type {
26 SANDBOX_PLLV3_GENERIC,
27 SANDBOX_PLLV3_USB,
28};
29
30struct clk *sandbox_clk_pllv3(enum sandbox_pllv3_type type, const char *name,
31 const char *parent_name, void __iomem *base,
32 u32 div_mask);
33
34static inline struct clk *sandbox_clk_fixed_factor(const char *name,
35 const char *parent,
36 unsigned int mult,
37 unsigned int div)
38{
39 return clk_register_fixed_factor(NULL, name, parent,
40 CLK_SET_RATE_PARENT, mult, div);
41}
42
43static inline struct clk *sandbox_clk_divider(const char *name,
44 const char *parent,
45 void __iomem *reg, u8 shift,
46 u8 width)
47{
48 return clk_register_divider(NULL, name, parent, CLK_SET_RATE_PARENT,
49 reg, shift, width, 0);
50}
51
52struct clk *sandbox_clk_register_gate2(struct device *dev, const char *name,
53 const char *parent_name,
54 unsigned long flags,
55 void __iomem *reg, u8 bit_idx,
56 u8 cgr_val, u8 clk_gate_flags);
57
58static inline struct clk *sandbox_clk_gate2(const char *name,
59 const char *parent,
60 void __iomem *reg, u8 shift)
61{
62 return sandbox_clk_register_gate2(NULL, name, parent,
63 CLK_SET_RATE_PARENT, reg, shift,
64 0x3, 0);
65}
66
67static inline struct clk *sandbox_clk_mux(const char *name, void __iomem *reg,
68 u8 shift, u8 width,
69 const char * const *parents,
70 int num_parents)
71{
72 return clk_register_mux(NULL, name, parents, num_parents,
73 CLK_SET_RATE_NO_REPARENT, reg, shift,
74 width, 0);
75}
76
77#endif /* __SANDBOX_CLK_H__ */