Allow the GPIO controller subnode to define GPIO names. Already used in
at least on DTS:
bitmain/bm1880-sophon-edge.dtb: gpio@
50027000: gpio-controller@0: 'gpio-line-names' does not match any of the regexes: 'pinctrl-[0-9]+'
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Serge Semin <fancer.lancer@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
'#gpio-cells':
const: 2
+ gpio-line-names:
+ minItems: 1
+ maxItems: 32
+
ngpios:
default: 32
minimum: 1