/* Copyright (c) 2009, 2012-2013 The Linux Foundation. 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 #define CLKFLAG_INVERT 0x00000001 #define CLKFLAG_NOINVERT 0x00000002 #define CLKFLAG_NONEST 0x00000004 #define CLKFLAG_NORESET 0x00000008 #define CLKFLAG_RETAIN_PERIPH 0x00000010 #define CLKFLAG_NORETAIN_PERIPH 0x00000020 #define CLKFLAG_RETAIN_MEM 0x00000040 #define CLKFLAG_NORETAIN_MEM 0x00000080 #define CLKFLAG_SKIP_HANDOFF 0x00000100 #define CLKFLAG_MIN 0x00000400 #define CLKFLAG_MAX 0x00000800 #define CLKFLAG_INIT_DONE 0x00001000 #define CLKFLAG_INIT_ERR 0x00002000 #define CLKFLAG_NO_RATE_CACHE 0x00004000 struct clk_lookup; struct clk; enum clk_reset_action { CLK_RESET_DEASSERT = 0, CLK_RESET_ASSERT = 1 }; /* 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