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From: Simon Glass <sjg@chromium.org>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH V3 3/4] clk: support clk tree dump
Date: Fri, 23 Aug 2019 14:48:59 -0700	[thread overview]
Message-ID: <CAPnjgZ2G-CR=TuLXVcNTRRMT=b1zQUZ6yYaDAaGSw788qNcLNA@mail.gmail.com> (raw)
In-Reply-To: <20190821135056.27052-3-peng.fan@nxp.com>

Hi Peng,

On Wed, 21 Aug 2019 at 07:35, Peng Fan <peng.fan@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@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

  reply	other threads:[~2019-08-23 21:48 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-21 13:35 [U-Boot] [PATCH V3 1/4] clk: introduce enable_count Peng Fan
2019-08-21 13:35 ` [U-Boot] [PATCH V3 2/4] clk: prograte clk enable/disable to parent Peng Fan
2019-08-21 13:35 ` [U-Boot] [PATCH V3 3/4] clk: support clk tree dump Peng Fan
2019-08-23 21:48   ` Simon Glass [this message]
2019-08-26  1:08     ` Peng Fan
2019-08-21 13:35 ` [U-Boot] [PATCH V3 4/4] sandbox: clk: add clk enable/disable test code Peng Fan
2019-08-23 21:49   ` Simon Glass
2019-08-23 21:48 ` [U-Boot] [PATCH V3 1/4] clk: introduce enable_count Simon Glass
2019-08-26  1:08   ` Peng Fan

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