mirror of https://gitee.com/openkylin/linux.git
84 lines
2.7 KiB
C
84 lines
2.7 KiB
C
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/*
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* OMAP3/4 Voltage Controller (VC) structure and macro definitions
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*
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* Copyright (C) 2007, 2010 Texas Instruments, Inc.
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* Rajendra Nayak <rnayak@ti.com>
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* Lesly A M <x0080970@ti.com>
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* Thara Gopinath <thara@ti.com>
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*
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* Copyright (C) 2008, 2011 Nokia Corporation
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* Kalle Jokiniemi
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* Paul Walmsley
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License version
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* 2 as published by the Free Software Foundation.
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*/
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#ifndef __ARCH_ARM_MACH_OMAP2_VC_H
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#define __ARCH_ARM_MACH_OMAP2_VC_H
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#include <linux/kernel.h>
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/**
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* struct omap_vc_common_data - per-VC register/bitfield data
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* @cmd_on_mask: ON bitmask in PRM_VC_CMD_VAL* register
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* @valid: VALID bitmask in PRM_VC_BYPASS_VAL register
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* @smps_sa_reg: Offset of PRM_VC_SMPS_SA reg from PRM start
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* @smps_volra_reg: Offset of PRM_VC_SMPS_VOL_RA reg from PRM start
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* @bypass_val_reg: Offset of PRM_VC_BYPASS_VAL reg from PRM start
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* @data_shift: DATA field shift in PRM_VC_BYPASS_VAL register
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* @slaveaddr_shift: SLAVEADDR field shift in PRM_VC_BYPASS_VAL register
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* @regaddr_shift: REGADDR field shift in PRM_VC_BYPASS_VAL register
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* @cmd_on_shift: ON field shift in PRM_VC_CMD_VAL_* register
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* @cmd_onlp_shift: ONLP field shift in PRM_VC_CMD_VAL_* register
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* @cmd_ret_shift: RET field shift in PRM_VC_CMD_VAL_* register
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* @cmd_off_shift: OFF field shift in PRM_VC_CMD_VAL_* register
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*
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* XXX One of cmd_on_mask and cmd_on_shift are not needed
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* XXX VALID should probably be a shift, not a mask
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*/
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struct omap_vc_common_data {
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u32 cmd_on_mask;
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u32 valid;
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u8 smps_sa_reg;
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u8 smps_volra_reg;
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u8 bypass_val_reg;
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u8 data_shift;
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u8 slaveaddr_shift;
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u8 regaddr_shift;
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u8 cmd_on_shift;
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u8 cmd_onlp_shift;
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u8 cmd_ret_shift;
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u8 cmd_off_shift;
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};
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/**
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* struct omap_vc_instance_data - VC per-instance data
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* @vc_common: pointer to VC common data for this platform
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* @smps_sa_mask: SA* bitmask in the PRM_VC_SMPS_SA register
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* @smps_volra_mask: VOLRA* bitmask in the PRM_VC_VOL_RA register
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* @smps_sa_shift: SA* field shift in the PRM_VC_SMPS_SA register
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* @smps_volra_shift: VOLRA* field shift in the PRM_VC_VOL_RA register
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*
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* XXX It is not necessary to have both a *_mask and a *_shift -
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* remove one
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*/
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struct omap_vc_instance_data {
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const struct omap_vc_common_data *vc_common;
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u32 smps_sa_mask;
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u32 smps_volra_mask;
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u8 cmdval_reg;
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u8 smps_sa_shift;
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u8 smps_volra_shift;
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};
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extern struct omap_vc_instance_data omap3_vc1_data;
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extern struct omap_vc_instance_data omap3_vc2_data;
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extern struct omap_vc_instance_data omap4_vc_mpu_data;
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extern struct omap_vc_instance_data omap4_vc_iva_data;
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extern struct omap_vc_instance_data omap4_vc_core_data;
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#endif
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