Re: [PATCH 05/20] ARM: dts: sun4i: Change pinctrl nodes to avoid warning

From: Chen-Yu Tsai
Date: Thu Oct 05 2017 - 11:30:26 EST


On Thu, Oct 5, 2017 at 6:49 PM, Maxime Ripard
<maxime.ripard@xxxxxxxxxxxxxxxxxx> wrote:
> All our pinctrl nodes were using a node name convention with a unit-address
> to differentiate the different muxing options. However, since those nodes
> didn't have a reg property, they were generating warnings in DTC.
>
> In order to accomodate for this, convert the old nodes to the syntax we've
> been using for the new SoCs, including removing the letter suffix of the
> node labels to the bank of those pins to make things more readable.
>
> Signed-off-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>
> ---
> arch/arm/boot/dts/sun4i-a10-a1000.dts | 12 +-
> arch/arm/boot/dts/sun4i-a10-ba10-tvbox.dts | 10 +-
> arch/arm/boot/dts/sun4i-a10-chuwi-v7-cw0825.dts | 10 +-
> arch/arm/boot/dts/sun4i-a10-cubieboard.dts | 16 +--
> arch/arm/boot/dts/sun4i-a10-dserve-dsrv9703c.dts | 12 +-
> arch/arm/boot/dts/sun4i-a10-gemei-g9.dts | 8 +-
> arch/arm/boot/dts/sun4i-a10-hackberry.dts | 8 +-
> arch/arm/boot/dts/sun4i-a10-hyundai-a7hd.dts | 6 +-
> arch/arm/boot/dts/sun4i-a10-inet1.dts | 12 +-
> arch/arm/boot/dts/sun4i-a10-inet97fv2.dts | 10 +-
> arch/arm/boot/dts/sun4i-a10-inet9f-rev03.dts | 10 +-
> arch/arm/boot/dts/sun4i-a10-itead-iteaduino-plus.dts | 21 ++--
> arch/arm/boot/dts/sun4i-a10-jesurun-q5.dts | 10 +-
> arch/arm/boot/dts/sun4i-a10-marsboard.dts | 16 +--
> arch/arm/boot/dts/sun4i-a10-mini-xplus.dts | 10 +-
> arch/arm/boot/dts/sun4i-a10-mk802.dts | 4 +-
> arch/arm/boot/dts/sun4i-a10-mk802ii.dts | 6 +-
> arch/arm/boot/dts/sun4i-a10-olinuxino-lime.dts | 10 +-
> arch/arm/boot/dts/sun4i-a10-pcduino.dts | 8 +-
> arch/arm/boot/dts/sun4i-a10-pov-protab2-ips9.dts | 12 +-
> arch/arm/boot/dts/sun4i-a10.dtsi | 64 ++++++-------
> 21 files changed, 141 insertions(+), 134 deletions(-)

[...]

> diff --git a/arch/arm/boot/dts/sun4i-a10.dtsi b/arch/arm/boot/dts/sun4i-a10.dtsi
> index 9671ac72fae9..b6e89de4c092 100644
> --- a/arch/arm/boot/dts/sun4i-a10.dtsi
> +++ b/arch/arm/boot/dts/sun4i-a10.dtsi

[...]

> @@ -531,83 +531,83 @@
> bias-pull-up;
> };
>
> - ps20_pins_a: ps20@0 {
> - pins = "PI20", "PI21";
> + ps2_ph_pins: ps2-ph-pins {
> + pins = "PH12", "PH13";
> function = "ps2";
> };
>
> - ps21_pins_a: ps21@0 {
> - pins = "PH12", "PH13";
> + ps2_pi_pins: ps2-pi-pins {
> + pins = "PI20", "PI21";
> function = "ps2";
> };

This part is slightly incorrect. The PS/2 block has 2 inputs.
The first channel, or ps2-0, has only one muxing option, on
pins PI20 and PI21. The second channel has two options, either
PH12 + PH13 or PI14 + PI15. The names should encode which channel
the muxing option is for.

ChenYu