[U-Boot] [PATCH V3 3/4] clk: support clk tree dump

[Simon Glass]

Hi Peng,

On Wed, 21 Aug 2019 at 07:35, Peng Fan <peng.fan at nxp.com> wrote:
>
> The previous code only dump the clk list. This patch is
> to support clk tree dump, and also dump the enable_cnt.
>
> The code used in patch is similar to dm_dump_all, but
> the code here only filter out the UCLASS_CLK devices.
>
> On i.MX8MM, Partial output:
> u-boot=> clk dump
>  Rate               Usecnt      Name
> ------------------------------------------
>  24000000             0        |-- clock-osc-24m
>  24000000             0        |   |-- dram_pll_ref_sel
>  750000000            0        |   |   `-- dram_pll
>  750000000            0        |   |       `-- dram_pll_bypass
>  750000000            0        |   |           `-- dram_pll_out
>  24000000             0        |   |-- arm_pll_ref_sel
>  1200000000           0        |   |   `-- arm_pll
>  1200000000           0        |   |       `-- arm_pll_bypass
>  1200000000           0        |   |           `-- arm_pll_out
>  1200000000           0        |   |               `-- arm_a53_src
>  1200000000           0        |   |                   `-- arm_a53_cg
>  1200000000           0        |   |                       `-- arm_a53_div
>  24000000             4        |   |-- sys_pll1_ref_sel
>  800000000            4        |   |   `-- sys_pll1
>  800000000            4        |   |       `-- sys_pll1_bypass
>  800000000            4        |   |           `-- sys_pll1_out
>  40000000             0        |   |               |-- sys_pll1_40m
>
> Signed-off-by: Peng Fan <peng.fan at nxp.com>
> ---
>
> V3:
>  Fix build break for some platforms
> V2:
>  Improve commit log
>
>  cmd/clk.c | 79 +++++++++++++++++++++++++++++++++++++++------------------------
>  1 file changed, 49 insertions(+), 30 deletions(-)

Can we get a sandbox test for this?

Regards,
Simon