Messages in this thread | | | From | Adam Ford <> | Date | Tue, 16 Jan 2018 06:21:22 -0600 | Subject | Re: [PATCH v5 01/44] dt-bindings: clock: Add new bindings for TI Davinci PLL clocks |
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On Tue, Jan 16, 2018 at 5:22 AM, Sekhar Nori <nsekhar@ti.com> wrote: > Hi Adam, David, > > On Friday 12 January 2018 03:04 AM, Adam Ford wrote: >> Thanks for clarifying. I was able to make it work with the following patch: >> >> diff --git a/drivers/clk/davinci/psc-da850.c b/drivers/clk/davinci/psc-da850.c >> index 3b4583d..a76b8682 100644 >> --- a/drivers/clk/davinci/psc-da850.c >> +++ b/drivers/clk/davinci/psc-da850.c >> @@ -25,7 +25,7 @@ static const struct davinci_psc_clk_info >> da850_psc0_info[] __initconst = { >> LPSC(9, 0, uart0, pll0_sysclk2, 0), >> LPSC(13, 0, pruss, pll0_sysclk2, 0), >> LPSC(14, 0, arm, pll0_sysclk6, LPSC_ALWAYS_ENABLED), >> - LPSC(15, 1, dsp, pll0_sysclk1, LPSC_FORCE | LPSC_LOCAL_RESET), >> + LPSC(15, 1, dsp, pll0_sysclk1, LPSC_FORCE | LPSC_LOCAL_RESET | >> LPSC_ALWAYS_ENABLED), > > Keeping the DSP clock always enabled was not needed earlier AFAICS, so > this needs to be investigated.
I was testing the DA850-evm and found it was required or the DA850 wouldn't boot. I don't know enough of why to explain it. I went through all the clocks as suggested by David, and this one-line patch fixed the hanging problem I had. Without it the AM1808 board I have won't boot.
adam > > Thanks, > Sekhar
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