On Tue, 2015-01-27 at 12:57AM +0100, Andreas Färber wrote:
> Am 09.01.2015 um 16:43 schrieb Soren Brinkmann:
> > Add pinctrl descriptions to the zc702 and zc706 device trees.
> >
> > Signed-off-by: Soren Brinkmann <[email protected]>
> > Tested-by: Andreas Färber <[email protected]>
> > ---
> > Changes since v1:
> > - remove 'pinctrl-' prefix for pinctrl sub-nodes
> > - separate config and mux nodes
> >
> > Changes since RFC v2:
> > - add pinconf properties to zc702 mdio node
> > - remove arguments from bias-related props
> >
> > Changes since RFC v1:
> > - separate DT changes into their own patch
> > ---
> > arch/arm/boot/dts/zynq-7000.dtsi | 8 +-
> > arch/arm/boot/dts/zynq-zc702.dts | 181
> > +++++++++++++++++++++++++++++++++++++++
> > arch/arm/boot/dts/zynq-zc706.dts | 152 ++++++++++++++++++++++++++++++++
> > 3 files changed, 340 insertions(+), 1 deletion(-)
> [...]
> > diff --git a/arch/arm/boot/dts/zynq-zc702.dts
> > b/arch/arm/boot/dts/zynq-zc702.dts
> > index 280f02dd4ddc..4995412f116f 100644
> > --- a/arch/arm/boot/dts/zynq-zc702.dts
> > +++ b/arch/arm/boot/dts/zynq-zc702.dts
> [...]
> > @@ -50,15 +52,24 @@
> > status = "okay";
> > phy-mode = "rgmii-id";
> > phy-handle = <ðernet_phy>;
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_gem0_default>;
> >
> > ethernet_phy: ethernet-phy@7 {
> > reg = <7>;
> > };
> > };
> >
> > +&gpio0 {
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_gpio0_default>;
>
> On linux-next the equivalent no longer works for the Parallella, with
> gpio failing to probe.
>
> If I move these two properties to the leds node (for which I am
> configuring gpio 7) then I get a heartbeat as before.
I think for USB I have a fix (see other email with patch), but LEDs seem
to be broken too. On my zc702 I get:
of_get_named_gpiod_flags: parsed 'gpios' property of node '/leds/ds23[0]' -
status (-517)
517 is probe deferral. Looks like the LED driver needs to learn to defer
probing when the GPIO driver isn't available yet.
Sören
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