[PATCH v10 1/2] perf/amlogic: Add support for Amlogic meson G12 SoC DDR PMU driver

[Neil Armstrong]

On 16/11/2022 01:31, Jiucheng Xu wrote:
> This patch adds support Amlogic meson G12 series SoC
> DDR bandwidth PMU driver framework and interfaces.
> 
> The PMU not only can monitor the total DDR bandwidth,
> but also the bandwidth which is from individual IP module.
> 
> Example usage:
> 
>   $ perf stat -a -e meson_ddr_bw/total_rw_bytes/ -I 1000 sleep 10
> 
> - or -
> 
>   $ perf stat -a -e \
>     meson_ddr_bw/total_rw_bytes/,\
>     meson_ddr_bw/chan_1_rw_bytes,arm=1/ -I 1000 \
>     sleep 10
> 
> g12 SoC support 4 channels to monitor DDR bandwidth
> simultaneously. Each channel can monitor up to 4 IP modules
> simultaneously.
> 
> For Instance, If you want to get the sum of DDR bandwidth
> from CPU, GPU, USB3.0 and VDEC. You can use the following
> command parameters to display.
> 
>   $ perf stat -a -e \
>     meson_ddr_bw/chan_2_rw_bytes,arm=1,gpu=1,usb3_0=1,nna=1/ -I 1000 \
>     sleep 10
> 
> Other events are supported, and advertised via perf list.
> 
> Signed-off-by: Jiucheng Xu <jiucheng.xu at amlogic.com>
> Tested-by: Chris Healy <healych at amzon.com>
> ---

Why did you drop the bindings patch ?
I only applied the DT patch.

Neil