Lukasz Majewski | 4de44bb | 2019-06-24 15:50:45 +0200 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
| 2 | /* |
| 3 | * Copyright (C) 2019 DENX Software Engineering |
| 4 | * Lukasz Majewski, DENX Software Engineering, lukma@denx.de |
| 5 | */ |
| 6 | #ifndef __MACH_IMX_CLK_H |
| 7 | #define __MACH_IMX_CLK_H |
| 8 | |
| 9 | #include <linux/clk-provider.h> |
| 10 | |
| 11 | enum imx_pllv3_type { |
| 12 | IMX_PLLV3_GENERIC, |
| 13 | IMX_PLLV3_SYS, |
| 14 | IMX_PLLV3_USB, |
| 15 | IMX_PLLV3_USB_VF610, |
| 16 | IMX_PLLV3_AV, |
| 17 | IMX_PLLV3_ENET, |
| 18 | IMX_PLLV3_ENET_IMX7, |
| 19 | IMX_PLLV3_SYS_VF610, |
| 20 | IMX_PLLV3_DDR_IMX7, |
| 21 | }; |
| 22 | |
| 23 | struct clk *clk_register_gate2(struct device *dev, const char *name, |
| 24 | const char *parent_name, unsigned long flags, |
| 25 | void __iomem *reg, u8 bit_idx, u8 cgr_val, |
| 26 | u8 clk_gate_flags); |
| 27 | |
| 28 | struct clk *imx_clk_pllv3(enum imx_pllv3_type type, const char *name, |
| 29 | const char *parent_name, void __iomem *base, |
| 30 | u32 div_mask); |
| 31 | |
| 32 | static inline struct clk *imx_clk_gate2(const char *name, const char *parent, |
| 33 | void __iomem *reg, u8 shift) |
| 34 | { |
| 35 | return clk_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT, reg, |
| 36 | shift, 0x3, 0); |
| 37 | } |
| 38 | |
| 39 | static inline struct clk *imx_clk_fixed_factor(const char *name, |
| 40 | const char *parent, unsigned int mult, unsigned int div) |
| 41 | { |
| 42 | return clk_register_fixed_factor(NULL, name, parent, |
| 43 | CLK_SET_RATE_PARENT, mult, div); |
| 44 | } |
| 45 | |
| 46 | static inline struct clk *imx_clk_divider(const char *name, const char *parent, |
| 47 | void __iomem *reg, u8 shift, u8 width) |
| 48 | { |
| 49 | return clk_register_divider(NULL, name, parent, CLK_SET_RATE_PARENT, |
| 50 | reg, shift, width, 0); |
| 51 | } |
| 52 | |
| 53 | struct clk *imx_clk_pfd(const char *name, const char *parent_name, |
| 54 | void __iomem *reg, u8 idx); |
| 55 | |
| 56 | struct clk *imx_clk_fixup_mux(const char *name, void __iomem *reg, |
| 57 | u8 shift, u8 width, const char * const *parents, |
| 58 | int num_parents, void (*fixup)(u32 *val)); |
| 59 | |
| 60 | static inline struct clk *imx_clk_mux(const char *name, void __iomem *reg, |
| 61 | u8 shift, u8 width, const char * const *parents, |
| 62 | int num_parents) |
| 63 | { |
| 64 | return clk_register_mux(NULL, name, parents, num_parents, |
| 65 | CLK_SET_RATE_NO_REPARENT, reg, shift, |
| 66 | width, 0); |
| 67 | } |
| 68 | |
| 69 | #endif /* __MACH_IMX_CLK_H */ |