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R-Car AVS driver
It is a simple driver that checks AVS (Adaptive Voltage Scaling) value of
chip. It helps to cpufreq select the best opp table (appropriate table with
avs value) to apply for the chip at runtime.
Required properties:
- reg: address and offset for registers of AVS.
Optional properties:
- None
Examples:
- Below is device tree definition for R-Car H3 and M3:
For H3:
avs_sensor: avs {
compatible = "renesas,r8a7795-avs", "renesas,rcar-gen3-avs";
reg = <0 0xe60a013c 0 0x04>;
};
For M3:
avs_sensor: avs {
compatible = "renesas,r8a7796-avs", "renesas,rcar-gen3-avs";
reg = <0 0xe60a013c 0 0x04>;
};