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dt-bindings: pinctrl: sunxi: Allow pinmux sub-pattern with leading numbers

The pattern for pinmux node names is typically the peripheral name and
instance number, followed by pingroup name if there are multiple options.

Normally the instance number is directly appended to the peripheral
name, like "mmc0" or "i2c2". But if the peripheral name ends with a
number, then it becomes confusing.

On the A20, the PS2 interface controller has two instances. This
produces pinmux node names like "ps2-0-pins". Make the sub-pattern
"[0-9]-" valid to fit this pattern. Avoid having to confusing "ps20-pins"
name.

Signed-off-by: Chen-Yu Tsai <wens@kernel.org>
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Linus Walleij <linusw@kernel.org>

authored by

Chen-Yu Tsai and committed by
Linus Walleij 34f2866b 3f20bdf7

+1 -1
+1 -1
Documentation/devicetree/bindings/pinctrl/allwinner,sun4i-a10-pinctrl.yaml
··· 106 106 # the pin numbers then, 107 107 # - Finally, the name will end with either -pin or pins. 108 108 109 - "^([rs]-)?(([a-z0-9]{3,}|[a-oq-z][a-z0-9]*?)?-)+?(p[a-ilm][0-9]*?-)??pins?$": 109 + "^([rs]-)?(([a-z0-9]{3,}|[a-oq-z0-9][a-z0-9]*?)?-)+?(p[a-ilm][0-9]*?-)??pins?$": 110 110 type: object 111 111 112 112 properties: