
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@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?
Let me try to add one.
Thanks, Peng.
Regards, Simon