On Thu, Feb 16, 2012 at 04:27, Tero Kristo <t-kristo@xxxxxx> wrote:
> VDD1 and VDD2 are the core voltage regulators on OMAP3. VDD1 is used
> to control MPU/IVA voltage, and VDD2 is used for CORE. These regulators
> are needed by DVFS.
>
> Voltage ranges for VDD1 and VDD2 are taken from twl4030/twl5030 data manual.
Please provide documentation version referenced, else we will loose
track of details at a later point of time.
Also should we rename VDD1 with vdd_mpu_iva and VDD2 as vdd_core to be readable?
Regards,
Nishanth Menon
>
> Signed-off-by: Tero Kristo <t-kristo@xxxxxx>
> ---
> arch/arm/mach-omap2/twl-common.c | 36 ++++++++++++++++++++++++++++++++++++
> 1 files changed, 36 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/twl-common.c b/arch/arm/mach-omap2/twl-common.c
> index 10b20c6..5f62e51 100644
> --- a/arch/arm/mach-omap2/twl-common.c
> +++ b/arch/arm/mach-omap2/twl-common.c
> @@ -126,6 +126,38 @@ static struct regulator_init_data omap3_vpll2_idata = {
> .consumer_supplies = omap3_vpll2_supplies,
> };
>
> +static struct regulator_consumer_supply omap3_vdd1_supply[] = {
> + REGULATOR_SUPPLY("vcc", "mpu.0"),
> +};
> +
> +static struct regulator_consumer_supply omap3_vdd2_supply[] = {
> + REGULATOR_SUPPLY("vcc", "l3_main.0"),
> +};
> +
> +static struct regulator_init_data omap3_vdd1 = {
> + .constraints = {
> + .name = "VDD1",
> + .min_uV = 600000,
> + .max_uV = 1450000,
> + .valid_modes_mask = REGULATOR_MODE_NORMAL,
> + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
> + },
> + .num_consumer_supplies = ARRAY_SIZE(omap3_vdd1_supply),
> + .consumer_supplies = omap3_vdd1_supply,
> +};
> +
> +static struct regulator_init_data omap3_vdd2 = {
> + .constraints = {
> + .name = "VDD2",
> + .min_uV = 600000,
> + .max_uV = 1450000,
> + .valid_modes_mask = REGULATOR_MODE_NORMAL,
> + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
> + },
> + .num_consumer_supplies = ARRAY_SIZE(omap3_vdd2_supply),
> + .consumer_supplies = omap3_vdd2_supply,
> +};
> +
> void __init omap3_pmic_get_config(struct twl4030_platform_data *pmic_data,
> u32 pdata_flags, u32 regulators_flags)
> {
> @@ -133,6 +165,10 @@ void __init omap3_pmic_get_config(struct twl4030_platform_data *pmic_data,
> pmic_data->irq_base = TWL4030_IRQ_BASE;
> if (!pmic_data->irq_end)
> pmic_data->irq_end = TWL4030_IRQ_END;
> + if (!pmic_data->vdd1)
> + pmic_data->vdd1 = &omap3_vdd1;
> + if (!pmic_data->vdd2)
> + pmic_data->vdd2 = &omap3_vdd2;
>
> /* Common platform data configurations */
> if (pdata_flags & TWL_COMMON_PDATA_USB && !pmic_data->usb)
> --
> 1.7.4.1
>
>
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