[PATCH v5 2/4] clocksource/drivers: Add CLINT timer driver

[Daniel Lezcano]

On 23/07/2020 16:24, Anup Patel wrote:
> We add a separate CLINT timer driver for Linux RISC-V M-mode (i.e.
> RISC-V NoMMU kernel).
> 
> The CLINT MMIO device provides three things:
> 1. 64bit free running counter register
> 2. 64bit per-CPU time compare registers
> 3. 32bit per-CPU inter-processor interrupt registers
> 
> Unlike other timer devices, CLINT provides IPI registers along with
> timer registers. To use CLINT IPI registers, the CLINT timer driver
> provides IPI related callbacks to arch/riscv.
> 
> Signed-off-by: Anup Patel <anup.patel at wdc.com>
> Tested-by: Emil Renner Berhing <kernel at esmil.dk>
> ---

Acked-by: Daniel Lezcano <daniel.lezcano at linaro.org>



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