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arm64: dts: mediatek: mt8192: Add Smart Voltage Scaling node

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Add the MediaTek SVS node: this will lower the voltage of various
components of the SoC based on chip quality (read from fuses) in
order to save power and generate less heat.

Link: https://lore.kernel.org/r/20231121125044.78642-20-angelogioacchino.delregno@collabora.com
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
This commit is contained in:
AngeloGioacchino Del Regno
2023-11-21 13:50:43 +01:00
parent f4747b91db
commit 5dc289e08a
1 changed files with 12 additions and 0 deletions
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12
arch/arm64/boot/dts/mediatek/mt8192.dtsi
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@@ -809,6 +809,18 @@ lvts_ap: thermal-sensor@1100b000 {
#thermal-sensor-cells = <1>;
};
svs: svs@1100bc00 {
compatible = "mediatek,mt8192-svs";
reg = <0 0x1100bc00 0 0x400>;
interrupts = <GIC_SPI 167 IRQ_TYPE_LEVEL_HIGH 0>;
clocks = <&infracfg CLK_INFRA_THERM>;
clock-names = "main";
nvmem-cells = <&svs_calibration>, <&lvts_e_data1>;
nvmem-cell-names = "svs-calibration-data", "t-calibration-data";
resets = <&infracfg MT8192_INFRA_RST3_THERM_CTRL_PTP_SWRST>;
reset-names = "svs_rst";
};
pwm0: pwm@1100e000 {
compatible = "mediatek,mt8183-disp-pwm";
reg = <0 0x1100e000 0 0x1000>;