1261071Sjasone/*- 2261071Sjasone * Copyright (c) 2014 Ian Lepore <ian@freebsd.org> 3261071Sjasone * All rights reserved. 4261071Sjasone * 5261071Sjasone * Redistribution and use in source and binary forms, with or without 6261071Sjasone * modification, are permitted provided that the following conditions 7261071Sjasone * are met: 8261071Sjasone * 1. Redistributions of source code must retain the above copyright 9261071Sjasone * notice, this list of conditions and the following disclaimer. 10261071Sjasone * 2. Redistributions in binary form must reproduce the above copyright 11261071Sjasone * notice, this list of conditions and the following disclaimer in the 12261071Sjasone * documentation and/or other materials provided with the distribution. 13261071Sjasone * 14261071Sjasone * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15261071Sjasone * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16261071Sjasone * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17261071Sjasone * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18261071Sjasone * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19261071Sjasone * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20261071Sjasone * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21261071Sjasone * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22261071Sjasone * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23261071Sjasone * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24261071Sjasone * SUCH DAMAGE. 25261071Sjasone */ 26286866Sjasone 27286866Sjasone#ifndef IMX_CCMVAR_H 28286866Sjasone#define IMX_CCMVAR_H 29261071Sjasone 30261071Sjasone/* 31261071Sjasone * We need a clock management system that works across unrelated SoCs and 32261071Sjasone * devices. For now, to keep imx development moving, define some barebones 33261071Sjasone * functionality that can be shared within the imx family by having each SoC 34261071Sjasone * implement functions with a common name. 35261071Sjasone * 36261071Sjasone * The usb enable functions are best-effort. They turn on the usb otg, host, 37261071Sjasone * and phy clocks in a SoC-specific manner, but it may take a lot more than that 38261071Sjasone * to make usb work on a given board. In particular, it can require specific 39261071Sjasone * pinmux setup of gpio pins connected to external phy parts, voltage regulators 40261071Sjasone * and overcurrent detectors, and so on. On such boards, u-boot or other early 41261071Sjasone * board setup code has to handle those things. 42286866Sjasone */ 43261071Sjasone 44261071Sjasoneuint32_t imx_ccm_ecspi_hz(void); 45261071Sjasoneuint32_t imx_ccm_ipg_hz(void); 46261071Sjasoneuint32_t imx_ccm_perclk_hz(void); 47261071Sjasoneuint32_t imx_ccm_sdhci_hz(void); 48261071Sjasoneuint32_t imx_ccm_uart_hz(void); 49261071Sjasoneuint32_t imx_ccm_ahb_hz(void); 50286866Sjasoneuint32_t imx_ccm_ipu_hz(void); 51261071Sjasone 52261071Sjasonevoid imx_ccm_usb_enable(device_t _usbdev); 53261071Sjasonevoid imx_ccm_usbphy_enable(device_t _phydev); 54261071Sjasonevoid imx_ccm_ssi_configure(device_t _ssidev); 55286866Sjasoneint imx_ccm_pll_video_enable(void); 56286866Sjasonevoid imx_ccm_hdmi_enable(void); 57286866Sjasonevoid imx_ccm_ipu_enable(int ipu); 58286866Sjasoneint imx6_ccm_sata_enable(void); 59286866Sjasone 60286866Sjasone/* Routines to get and set the arm clock root divisor register. */ 61286866Sjasoneuint32_t imx_ccm_get_cacrr(void); 62286866Sjasonevoid imx_ccm_set_cacrr(uint32_t _divisor); 63286866Sjasone 64286866Sjasone#endif 65261071Sjasone