[U-Boot] [PATCH V3 3/4] clk: support clk tree dump
Peng Fan
peng.fan at nxp.com
Mon Aug 26 01:08:52 UTC 2019
> Subject: Re: [PATCH V3 3/4] clk: support clk tree dump
>
> 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?
Let me try to add one.
Thanks,
Peng.
>
> Regards,
> Simon
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