diff options
| author | Roger Lu <roger.lu@mediatek.com> | 2022-05-16 08:43:07 +0800 |
|---|---|---|
| committer | Matthias Brugger <matthias.bgg@gmail.com> | 2022-06-17 10:50:07 +0200 |
| commit | 681a02e9500073cd8b9c25a04f06166254b5a879 (patch) | |
| tree | 48c9c4d7696e37cb9e09f4e4606a3a8f639a8189 /drivers/soc/mediatek/Kconfig | |
| parent | d969f2171eaf1ee8a28f57e41664c5f488e43890 (diff) | |
soc: mediatek: SVS: introduce MTK SVS engine
The Smart Voltage Scaling(SVS) engine is a piece of hardware
which calculates suitable SVS bank voltages to OPP voltage table.
Then, DVFS driver could apply those SVS bank voltages to PMIC/Buck
when receiving OPP_EVENT_ADJUST_VOLTAGE.
Signed-off-by: Roger Lu <roger.lu@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Link: https://lore.kernel.org/r/20220516004311.18358-4-roger.lu@mediatek.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Diffstat (limited to 'drivers/soc/mediatek/Kconfig')
| -rw-r--r-- | drivers/soc/mediatek/Kconfig | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/soc/mediatek/Kconfig b/drivers/soc/mediatek/Kconfig index fdd8bc08569e..3c3eedea35f7 100644 --- a/drivers/soc/mediatek/Kconfig +++ b/drivers/soc/mediatek/Kconfig @@ -73,4 +73,14 @@ config MTK_MMSYS Say yes here to add support for the MediaTek Multimedia Subsystem (MMSYS). +config MTK_SVS + tristate "MediaTek Smart Voltage Scaling(SVS)" + depends on MTK_EFUSE && NVMEM + help + The Smart Voltage Scaling(SVS) engine is a piece of hardware + which has several controllers(banks) for calculating suitable + voltage to different power domains(CPU/GPU/CCI) according to + chip process corner, temperatures and other factors. Then DVFS + driver could apply SVS bank voltage to PMIC/Buck. + endmenu |