diff options
Diffstat (limited to 'kernel/arch/arm/mach-omap2/vc44xx_data.c')
| -rw-r--r-- | kernel/arch/arm/mach-omap2/vc44xx_data.c | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-omap2/vc44xx_data.c b/kernel/arch/arm/mach-omap2/vc44xx_data.c new file mode 100644 index 000000000..2abd5fa8a --- /dev/null +++ b/kernel/arch/arm/mach-omap2/vc44xx_data.c @@ -0,0 +1,118 @@ +/* + * OMAP4 Voltage Controller (VC) data + * + * Copyright (C) 2007, 2010 Texas Instruments, Inc. + * Rajendra Nayak <rnayak@ti.com> + * Lesly A M <x0080970@ti.com> + * Thara Gopinath <thara@ti.com> + * + * Copyright (C) 2008, 2011 Nokia Corporation + * Kalle Jokiniemi + * Paul Walmsley + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include <linux/io.h> +#include <linux/err.h> +#include <linux/init.h> + +#include "common.h" + +#include "prm44xx.h" +#include "prm-regbits-44xx.h" +#include "voltage.h" + +#include "vc.h" + +/* + * VC data common to 44xx chips + * XXX This stuff presumably belongs in the vc3xxx.c or vc.c file. + */ +static const struct omap_vc_common omap4_vc_common = { + .bypass_val_reg = OMAP4_PRM_VC_VAL_BYPASS_OFFSET, + .data_shift = OMAP4430_DATA_SHIFT, + .slaveaddr_shift = OMAP4430_SLAVEADDR_SHIFT, + .regaddr_shift = OMAP4430_REGADDR_SHIFT, + .valid = OMAP4430_VALID_MASK, + .cmd_on_shift = OMAP4430_ON_SHIFT, + .cmd_on_mask = OMAP4430_ON_MASK, + .cmd_onlp_shift = OMAP4430_ONLP_SHIFT, + .cmd_ret_shift = OMAP4430_RET_SHIFT, + .cmd_off_shift = OMAP4430_OFF_SHIFT, + .i2c_cfg_reg = OMAP4_PRM_VC_CFG_I2C_MODE_OFFSET, + .i2c_cfg_clear_mask = OMAP4430_SRMODEEN_MASK | OMAP4430_HSMODEEN_MASK, + .i2c_cfg_hsen_mask = OMAP4430_HSMODEEN_MASK, + .i2c_mcode_mask = OMAP4430_HSMCODE_MASK, +}; + +/* VC instance data for each controllable voltage line */ +struct omap_vc_channel omap4_vc_mpu = { + .flags = OMAP_VC_CHANNEL_DEFAULT | OMAP_VC_CHANNEL_CFG_MUTANT, + .common = &omap4_vc_common, + .smps_sa_reg = OMAP4_PRM_VC_SMPS_SA_OFFSET, + .smps_volra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_VOL_OFFSET, + .smps_cmdra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_CMD_OFFSET, + .cfg_channel_reg = OMAP4_PRM_VC_CFG_CHANNEL_OFFSET, + .cmdval_reg = OMAP4_PRM_VC_VAL_CMD_VDD_MPU_L_OFFSET, + .smps_sa_mask = OMAP4430_SA_VDD_MPU_L_PRM_VC_SMPS_SA_MASK, + .smps_volra_mask = OMAP4430_VOLRA_VDD_MPU_L_MASK, + .smps_cmdra_mask = OMAP4430_CMDRA_VDD_MPU_L_MASK, + .cfg_channel_sa_shift = OMAP4430_SA_VDD_MPU_L_SHIFT, +}; + +struct omap_vc_channel omap4_vc_iva = { + .common = &omap4_vc_common, + .smps_sa_reg = OMAP4_PRM_VC_SMPS_SA_OFFSET, + .smps_volra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_VOL_OFFSET, + .smps_cmdra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_CMD_OFFSET, + .cfg_channel_reg = OMAP4_PRM_VC_CFG_CHANNEL_OFFSET, + .cmdval_reg = OMAP4_PRM_VC_VAL_CMD_VDD_IVA_L_OFFSET, + .smps_sa_mask = OMAP4430_SA_VDD_IVA_L_PRM_VC_SMPS_SA_MASK, + .smps_volra_mask = OMAP4430_VOLRA_VDD_IVA_L_MASK, + .smps_cmdra_mask = OMAP4430_CMDRA_VDD_IVA_L_MASK, + .cfg_channel_sa_shift = OMAP4430_SA_VDD_IVA_L_SHIFT, +}; + +struct omap_vc_channel omap4_vc_core = { + .common = &omap4_vc_common, + .smps_sa_reg = OMAP4_PRM_VC_SMPS_SA_OFFSET, + .smps_volra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_VOL_OFFSET, + .smps_cmdra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_CMD_OFFSET, + .cfg_channel_reg = OMAP4_PRM_VC_CFG_CHANNEL_OFFSET, + .cmdval_reg = OMAP4_PRM_VC_VAL_CMD_VDD_CORE_L_OFFSET, + .smps_sa_mask = OMAP4430_SA_VDD_CORE_L_0_6_MASK, + .smps_volra_mask = OMAP4430_VOLRA_VDD_CORE_L_MASK, + .smps_cmdra_mask = OMAP4430_CMDRA_VDD_CORE_L_MASK, + .cfg_channel_sa_shift = OMAP4430_SA_VDD_CORE_L_SHIFT, +}; + +/* + * Voltage levels for different operating modes: on, sleep, retention and off + */ +#define OMAP4_ON_VOLTAGE_UV 1375000 +#define OMAP4_ONLP_VOLTAGE_UV 1375000 +#define OMAP4_RET_VOLTAGE_UV 837500 +#define OMAP4_OFF_VOLTAGE_UV 0 + +struct omap_vc_param omap4_mpu_vc_data = { + .on = OMAP4_ON_VOLTAGE_UV, + .onlp = OMAP4_ONLP_VOLTAGE_UV, + .ret = OMAP4_RET_VOLTAGE_UV, + .off = OMAP4_OFF_VOLTAGE_UV, +}; + +struct omap_vc_param omap4_iva_vc_data = { + .on = OMAP4_ON_VOLTAGE_UV, + .onlp = OMAP4_ONLP_VOLTAGE_UV, + .ret = OMAP4_RET_VOLTAGE_UV, + .off = OMAP4_OFF_VOLTAGE_UV, +}; + +struct omap_vc_param omap4_core_vc_data = { + .on = OMAP4_ON_VOLTAGE_UV, + .onlp = OMAP4_ONLP_VOLTAGE_UV, + .ret = OMAP4_RET_VOLTAGE_UV, + .off = OMAP4_OFF_VOLTAGE_UV, +}; |