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ACPI / PMIC: support PMIC operation region for CrystalCove

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The Baytrail-T platform firmware has defined two customized operation
regions for PMIC chip Crystal Cove - one is for power resource handling
and one is for thermal: sensor temperature reporting, trip point setting,
etc. This patch adds support for them on top of the existing Crystal Cove
PMIC driver.

The reason to split code into a separate file intel_pmic.c is that there
are more PMIC drivers with ACPI operation region support coming and we can
re-use those code. The intel_pmic_opregion_data structure is created also
for this purpose: when we need to support a new PMIC's operation region,
we just need to fill those callbacks and the two register mapping tables.

Signed-off-by: Aaron Lu <[email protected]>
Acked-by: Lee Jones <[email protected]> for the MFD part
Signed-off-by: Rafael J. Wysocki <[email protected]>
This commit is contained in:
Aaron Lu 2014-11-24 17:21:54 +08:00 • committed by Rafael J. Wysocki
commit b1eea857d8
6 changed files with 613 additions and 0 deletions
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3
drivers/mfd/intel_soc_pmic_crc.c
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@ -106,6 +106,9 @@ static struct mfd_cell crystal_cove_dev[] = {
.num_resources = ARRAY_SIZE(gpio_resources),
.resources = gpio_resources,
},
{
.name = "crystal_cove_pmic",
},
};
static struct regmap_config crystal_cove_regmap_config = {