Sean Anderson e86463f8e3 riscv: Rework Andes PLMT as a UCLASS_TIMER driver ... This converts the PLMT driver from the riscv-specific timer interface to be a DM-based UCLASS_TIMER driver. The clock-frequency/clocks properties are preferred over timebase-frequency for two reasons. First, properties which affect a device should be located near its binding in the device tree. Using timebase-frequency only really makes sense when the cpu itself is the timer device. This is the case when we read the time from a CSR, but not when there is a separate device. Second, it lets the device use the clock subsystem which adds flexibility. If the device is configured for a different clock speed, the timer can adjust itself. Signed-off-by: Sean Anderson <seanga2@gmail.com> Reviewed-by: Rick Chen <rick@andestech.com>		2020-09-30 08:54:45 +08:00
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asm	riscv: Rework Andes PLMT as a UCLASS_TIMER driver	2020-09-30 08:54:45 +08:00