[PATCH 4/5] ARM: tegra: paz00: add clocks required for usb operation

Stephen Warren swarren at nvidia.com
Mon Aug 8 12:57:52 EDT 2011


Marc Dietrich wrote at Sunday, August 07, 2011 1:01 PM:
> These clocks are required for usb operation.
...
> diff --git a/arch/arm/mach-tegra/board-paz00.c b/arch/arm/mach-tegra/board-paz00.c
...
> @@ -145,6 +145,11 @@ static __initdata struct tegra_clk_init_table paz00_clk_init_table[] = {
>  	/* name		parent		rate		enabled */
>  	{ "uarta",	"pll_p",	216000000,	true },
>  	{ "uartd",	"pll_p",	216000000,	true },
> +
> +	{ "pll_a",      "pll_p_out1",   56448000,       true },
> +	{ "pll_a_out0", "pll_a",        11289600,       true },

Are you sure those two are required for USB operation; they're typically
used for audio. Of course, this might just be a bug in the commit
description:-) Although, if you are attempting to enable audio, there's
a bunch more stuff that'd need to be done, including some more clock
setup.

-- 
nvpublic




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