| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * Copyright (c) 2020 MediaTek Inc. |
| */ |
| |
| #ifndef __DRV_CLK_MTK_H |
| #define __DRV_CLK_MTK_H |
| /* |
| * This is a private header file. DO NOT include it except clk-*.c. |
| */ |
| #include <linux/bitops.h> |
| #include <linux/clk.h> |
| #include <linux/clk-provider.h> |
| #define CLK_DEBUG 0 |
| #define DUMMY_REG_TEST 0 |
| /* #define Bring_Up */ |
| #ifdef Bring_Up |
| #ifdef pr_debug |
| #undef pr_debug |
| #define pr_debug pr_warn |
| #endif |
| #define MT_CCF_DEBUG 1 |
| #define MT_CCF_BRINGUP 0 /* 1: only for bring up */ |
| #endif /* Bring_Up */ |
| extern spinlock_t *get_mtk_clk_lock(void); |
| extern spinlock_t *get_mtk_mtcmos_lock(void); |
| #define mtk_clk_lock(flags) spin_lock_irqsave(get_mtk_clk_lock(), flags) |
| #define mtk_clk_unlock(flags) \ |
| spin_unlock_irqrestore(get_mtk_clk_lock(), flags) |
| #define mtk_mtcmos_lock(flags) spin_lock_irqsave(get_mtk_mtcmos_lock(), flags) |
| #define mtk_mtcmos_unlock(flags) \ |
| spin_unlock_irqrestore(get_mtk_mtcmos_lock(), flags) |
| #define MAX_MUX_GATE_BIT 31 |
| #define INVALID_MUX_GATE_BIT (MAX_MUX_GATE_BIT + 1) |
| #if 0 |
| struct clk *mtk_clk_register_mux( |
| const char *name, |
| const char **parent_names, |
| u8 num_parents, |
| void __iomem *base_addr, |
| u8 shift, |
| u8 width, |
| u8 gate_bit); |
| #endif |
| #endif /* __DRV_CLK_MTK_H */ |