blob: 37c9838f7653b6f56c9e6374be431d78441a8f71 [file] [log] [blame]
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,
22};
23
24enum sandbox_pllv3_type {
25 SANDBOX_PLLV3_GENERIC,
26 SANDBOX_PLLV3_USB,
27};
28
29struct clk *sandbox_clk_pllv3(enum sandbox_pllv3_type type, const char *name,
30 const char *parent_name, void __iomem *base,
31 u32 div_mask);
32
33static inline struct clk *sandbox_clk_fixed_factor(const char *name,
34 const char *parent,
35 unsigned int mult,
36 unsigned int div)
37{
38 return clk_register_fixed_factor(NULL, name, parent,
39 CLK_SET_RATE_PARENT, mult, div);
40}
41
42static inline struct clk *sandbox_clk_divider(const char *name,
43 const char *parent,
44 void __iomem *reg, u8 shift,
45 u8 width)
46{
47 return clk_register_divider(NULL, name, parent, CLK_SET_RATE_PARENT,
48 reg, shift, width, 0);
49}
50
51struct clk *sandbox_clk_register_gate2(struct device *dev, const char *name,
52 const char *parent_name,
53 unsigned long flags,
54 void __iomem *reg, u8 bit_idx,
55 u8 cgr_val, u8 clk_gate_flags);
56
57static inline struct clk *sandbox_clk_gate2(const char *name,
58 const char *parent,
59 void __iomem *reg, u8 shift)
60{
61 return sandbox_clk_register_gate2(NULL, name, parent,
62 CLK_SET_RATE_PARENT, reg, shift,
63 0x3, 0);
64}
65
66static inline struct clk *sandbox_clk_mux(const char *name, void __iomem *reg,
67 u8 shift, u8 width,
68 const char * const *parents,
69 int num_parents)
70{
71 return clk_register_mux(NULL, name, parents, num_parents,
72 CLK_SET_RATE_NO_REPARENT, reg, shift,
73 width, 0);
74}
75
76#endif /* __SANDBOX_CLK_H__ */