From: wni@nvidia.com (Wei Ni)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/5] ARM: tegra: set up wlan clocks for tegra dt
Date: Wed, 4 Jul 2012 19:23:33 +0800 [thread overview]
Message-ID: <1341401013.9009.931.camel@tegra-chromium-2> (raw)
In-Reply-To: <6135516.CD1aogiCta@fb07-iapwap2>
On Wed, 2012-07-04 at 18:43 +0800, Marc Dietrich wrote:
> Am Mittwoch, 4. Juli 2012, 17:34:44 schrieb Wei Ni:
> > Set up the wlan clock tree for Tegra20 and Tegra30.
> >
> > Signed-off-by: Wei Ni <wni@nvidia.com>
> > ---
> > arch/arm/mach-tegra/board-dt-tegra20.c | 1 +
> > arch/arm/mach-tegra/board-dt-tegra30.c | 1 +
> > 2 files changed, 2 insertions(+), 0 deletions(-)
> >
> > diff --git a/arch/arm/mach-tegra/board-dt-tegra20.c
> > b/arch/arm/mach-tegra/board-dt-tegra20.c index 70a19a9..fbcc7d9 100644
> > --- a/arch/arm/mach-tegra/board-dt-tegra20.c
> > +++ b/arch/arm/mach-tegra/board-dt-tegra20.c
> > @@ -78,6 +78,7 @@ static __initdata struct tegra_clk_init_table
> > tegra_dt_clk_init_table[] = { { "pll_a", "pll_p_out1", 56448000,
> > true },
> > { "pll_a_out0", "pll_a", 11289600, true },
> > { "cdev1", NULL, 0, true },
> > + { "blink", "clk_32k", 32768, true },
>
> what's the reason to enable this on all boards? Would it make sense to set
> this to "false" instead?
This clock is used for the wlan device, it need to be enabled, so that
the wlan device can be powered on, and then the mmc driver can enumerate
it.
>
> Marc
>
>
> > { "i2s1", "pll_a_out0", 11289600, false},
> > { "i2s2", "pll_a_out0", 11289600, false},
> > { NULL, NULL, 0, 0},
> > diff --git a/arch/arm/mach-tegra/board-dt-tegra30.c
> > b/arch/arm/mach-tegra/board-dt-tegra30.c index 53bf60f..2d73c61 100644
> > --- a/arch/arm/mach-tegra/board-dt-tegra30.c
> > +++ b/arch/arm/mach-tegra/board-dt-tegra30.c
> > @@ -61,6 +61,7 @@ static __initdata struct tegra_clk_init_table
> > tegra_dt_clk_init_table[] = { { "pll_a_out0", "pll_a", 11289600, true },
> > { "extern1", "pll_a_out0", 0, true },
> > { "clk_out_1", "extern1", 0, true },
> > + { "blink", "clk_32k", 32768, true },
> > { "i2s0", "pll_a_out0", 11289600, false},
> > { "i2s1", "pll_a_out0", 11289600, false},
> > { "i2s2", "pll_a_out0", 11289600, false},
next prev parent reply other threads:[~2012-07-04 11:23 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-04 9:34 [PATCH 0/5] ARM: tegra: enable wlan for t20 and t30 Wei Ni
2012-07-04 9:34 ` [PATCH 1/5] ARM: tegra: set up wlan clocks for tegra dt Wei Ni
2012-07-04 10:43 ` Marc Dietrich
2012-07-04 11:23 ` Wei Ni [this message]
2012-07-04 11:51 ` Marc Dietrich
2012-07-05 3:18 ` Wei Ni
2012-07-05 8:39 ` Marc Dietrich
2012-07-04 9:34 ` [PATCH 2/5] ARM: dt: t20 seaboard: add pinmux, gpio for wlan Wei Ni
2012-07-04 9:34 ` [PATCH 3/5] ARM: dt: t20 ventana: " Wei Ni
2012-07-04 9:34 ` [PATCH 4/5] ARM: dt: t30 cardhu: " Wei Ni
2012-07-04 9:34 ` [PATCH 5/5] ARM: tegra: enable wireless in defconfig Wei Ni
2012-07-05 19:59 ` Stephen Warren
2012-07-05 20:35 ` Marc Dietrich
2012-07-05 20:42 ` Stephen Warren
2012-07-06 3:19 ` Wei Ni
2012-07-06 3:08 ` Wei Ni
2012-07-06 15:42 ` Stephen Warren
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