| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * Copyright (C) 2020 Microchip Technology Inc. |
| * Padmarao Begari <padmarao.begari@microchip.com> |
| */ |
| #ifndef __MICROCHIP_MPFS_CLK_H |
| #define __MICROCHIP_MPFS_CLK_H |
| |
| #include <linux/clk-provider.h> |
| /** |
| * mpfs_clk_register_cfgs() - register configuration clocks |
| * |
| * @base: base address of the mpfs system register. |
| * @clk_rate: the mpfs pll clock rate. |
| * @parent_name: a pointer to parent clock name. |
| * Return: zero on success, or a negative error code. |
| */ |
| int mpfs_clk_register_cfgs(void __iomem *base, u32 clk_rate, |
| const char *parent_name); |
| /** |
| * mpfs_clk_register_periphs() - register peripheral clocks |
| * |
| * @base: base address of the mpfs system register. |
| * @clk_rate: the mpfs pll clock rate. |
| * @parent_name: a pointer to parent clock name. |
| * Return: zero on success, or a negative error code. |
| */ |
| int mpfs_clk_register_periphs(void __iomem *base, u32 clk_rate, |
| const char *parent_name); |
| /** |
| * divider_get_val() - get the clock divider value |
| * |
| * @rate: requested clock rate. |
| * @parent_rate: parent clock rate. |
| * @table: a pointer to clock divider table. |
| * @width: width of the divider bit field. |
| * @flags: common clock framework flags. |
| * Return: divider value on success, or a negative error code. |
| */ |
| int divider_get_val(unsigned long rate, unsigned long parent_rate, |
| const struct clk_div_table *table, |
| u8 width, unsigned long flags); |
| |
| #endif /* __MICROCHIP_MPFS_CLK_H */ |