Thread (10 messages) 10 messages, 3 authors, 2013-11-25

[PATCH] clk: tegra: use pll_ref as the pll_e parent

From: Stephen Warren <hidden>
Date: 2013-10-31 16:41:30
Also in: linux-tegra, lkml

On 10/31/2013 09:41 AM, Peter De Schrijver wrote:
On Wed, Oct 30, 2013 at 11:50:03PM +0100, Stephen Warren wrote:
quoted
On 10/30/2013 04:18 PM, Peter De Schrijver wrote:
quoted
On Wed, Oct 30, 2013 at 04:41:41PM +0100, Stephen Warren wrote:
quoted
On 10/29/2013 06:41 PM, Peter De Schrijver wrote:
quoted
Use pll_ref instead of pll_re_vco as the pll_e parent on Tegra114 and
Tegra124. Also add a pll_ref table entry for pll_e for Tegra114.
Why? What benefit does this give, or what bug does this fix?
Otherrwise Tegra114 will crash on boot.
Sigh. For what reason?
pll_re_vco having an unsupported rate of 300Mhz. My guess is that it depends
on the bootloader if you will see this. I'm fairly sure I verified this on
my dalmore in helsinki and it worked, but it failed on Paul's test setup.
OK, so this is primarily a SW issue, because pll_e's freq_table simply
doesn't have an entry for input frequency 300MHz. Can you make sure the
commit description explains that?
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