int __init omap3_twl_init(void)
{
struct voltagedomain *voltdm;
if (!cpu_is_omap34xx() || cpu_is_am33xx())
return -ENODEV;
if (cpu_is_omap3630()) {
omap3_mpu_pmic.vp_vddmin = OMAP3630_VP1_VLIMITTO_VDDMIN;
omap3_mpu_pmic.vp_vddmax = OMAP3630_VP1_VLIMITTO_VDDMAX;
omap3_core_pmic.vp_vddmin = OMAP3630_VP2_VLIMITTO_VDDMIN;
omap3_core_pmic.vp_vddmax = OMAP3630_VP2_VLIMITTO_VDDMAX;
}
/*
* The smartreflex bit on twl4030 specifies if the setting of voltage
* is done over the I2C_SR path. Since this setting is independent of
* the actual usage of smartreflex AVS module, we enable TWL SR bit
* by default irrespective of whether smartreflex AVS module is enabled
* on the OMAP side or not. This is because without this bit enabled,
* the voltage scaling through vp forceupdate/bypass mechanism of
* voltage scaling will not function on TWL over I2C_SR.
*/
if (!twl_sr_enable_autoinit)
omap3_twl_set_sr_bit(true);
voltdm = voltdm_lookup("mpu_iva");
omap_voltage_register_pmic(voltdm, &omap3_mpu_pmic);
voltdm = voltdm_lookup("core");
omap_voltage_register_pmic(voltdm, &omap3_core_pmic);
return 0;
}
static unsigned long twl4030_vsel_to_uv(const u8 vsel)
{
/*
* The smartreflex bit on twl4030 needs to be enabled by
* default irrespective of whether smartreflex module is
* enabled on the OMAP side or not. This is because without
* this bit enabled the voltage scaling through
* vp forceupdate does not function properly on OMAP3.
*/
if (twl_sr_enable)
omap3_twl_set_sr_bit(1);
return (((vsel * 125) + 6000)) * 100;
}
static int __init twl_set_sr(struct voltagedomain *voltdm)
{
int r = 0;
/*
* The smartreflex bit on twl4030 specifies if the setting of voltage
* is done over the I2C_SR path. Since this setting is independent of
* the actual usage of smartreflex AVS module, we enable TWL SR bit
* by default irrespective of whether smartreflex AVS module is enabled
* on the OMAP side or not. This is because without this bit enabled,
* the voltage scaling through vp forceupdate/bypass mechanism of
* voltage scaling will not function on TWL over I2C_SR.
*/
if (!twl_sr_enable_autoinit)
r = omap3_twl_set_sr_bit(true);
return r;
}
int __init omap3_twl_init(void)
{
struct voltagedomain *voltdm;
if (!cpu_is_omap34xx())
return -ENODEV;
/*
* In case of AM3517/AM3505 we should not be going down
* further, since SR is not applicable there.
*/
if (cpu_is_omap3505() || cpu_is_omap3517())
return -ENODEV;
if (cpu_is_omap3630()) {
omap3_mpu_volt_info.vp_vddmin = OMAP3630_VP1_VLIMITTO_VDDMIN;
omap3_mpu_volt_info.vp_vddmax = OMAP3630_VP1_VLIMITTO_VDDMAX;
omap3_core_volt_info.vp_vddmin = OMAP3630_VP2_VLIMITTO_VDDMIN;
omap3_core_volt_info.vp_vddmax = OMAP3630_VP2_VLIMITTO_VDDMAX;
}
/*
* The smartreflex bit on twl4030 needs to be enabled by
* default irrespective of whether smartreflex module is
* enabled on the OMAP side or not. This is because without
* this bit enabled the voltage scaling through
* vp forceupdate does not function properly on OMAP3.
*/
if (twl_sr_enable)
omap3_twl_set_sr_bit(1);
voltdm = omap_voltage_domain_lookup("mpu");
omap_voltage_register_pmic(voltdm, &omap3_mpu_volt_info);
voltdm = omap_voltage_domain_lookup("core");
omap_voltage_register_pmic(voltdm, &omap3_core_volt_info);
return 0;
}
