| Marek Vasut | 6e9a0a3 | 2011-11-08 23:18:08 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Freescale i.MX28 Clock |
| 3 | * |
| 4 | * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com> |
| 5 | * on behalf of DENX Software Engineering GmbH |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 20 | * |
| 21 | */ |
| 22 | |
| 23 | #ifndef __CLOCK_H__ |
| 24 | #define __CLOCK_H__ |
| 25 | |
| 26 | enum mxc_clock { |
| 27 | MXC_ARM_CLK = 0, |
| 28 | MXC_AHB_CLK, |
| 29 | MXC_IPG_CLK, |
| 30 | MXC_EMI_CLK, |
| 31 | MXC_GPMI_CLK, |
| 32 | MXC_IO0_CLK, |
| 33 | MXC_IO1_CLK, |
| 34 | MXC_SSP0_CLK, |
| 35 | MXC_SSP1_CLK, |
| 36 | MXC_SSP2_CLK, |
| 37 | MXC_SSP3_CLK, |
| 38 | }; |
| 39 | |
| 40 | enum mxs_ioclock { |
| 41 | MXC_IOCLK0 = 0, |
| 42 | MXC_IOCLK1, |
| 43 | }; |
| 44 | |
| 45 | enum mxs_sspclock { |
| 46 | MXC_SSPCLK0 = 0, |
| 47 | MXC_SSPCLK1, |
| 48 | MXC_SSPCLK2, |
| 49 | MXC_SSPCLK3, |
| 50 | }; |
| 51 | |
| 52 | uint32_t mxc_get_clock(enum mxc_clock clk); |
| 53 | |
| 54 | void mx28_set_ioclk(enum mxs_ioclock io, uint32_t freq); |
| 55 | void mx28_set_sspclk(enum mxs_sspclock ssp, uint32_t freq, int xtal); |
| 56 | void mx28_set_ssp_busclock(unsigned int bus, uint32_t freq); |
| 57 | |
| 58 | /* Compatibility with the FEC Ethernet driver */ |
| 59 | #define imx_get_fecclk() mxc_get_clock(MXC_AHB_CLK) |
| 60 | |
| 61 | #endif /* __CLOCK_H__ */ |