/* Copyright (c) 2009, Code Aurora Forum. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and * only version 2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #ifndef __MACH_CLK_H #define __MACH_CLK_H /* Magic rate value for use with PM QOS to request the board's maximum * supported AXI rate. PM QOS will only pass positive s32 rate values * through to the clock driver, so INT_MAX is used. */ #define MSM_AXI_MAX_FREQ LONG_MAX enum clk_reset_action { CLK_RESET_DEASSERT = 0, CLK_RESET_ASSERT = 1 }; struct clk; /* Rate is minimum clock rate in Hz */ int clk_set_min_rate(struct clk *clk, unsigned long rate); /* Rate is maximum clock rate in Hz */ int clk_set_max_rate(struct clk *clk, unsigned long rate); /* Assert/Deassert reset to a hardware block associated with a clock */ int clk_reset(struct clk *clk, enum clk_reset_action action); /* Set clock-specific configuration parameters */ int clk_set_flags(struct clk *clk, unsigned long flags); #endif