Hi Linus, Bartosz, The ON Semiconductor CAT9554 is a variant of the PCA953x GPIO expander, with 8 GPIOs and interrupt functionality. Changes compared to v1: - Split DT binding doc and driver update in separate patches. Thanks! Geert Uytterhoeven (2): dt-bindings: gpio: pca953x: Document onnn,cat9554 gpio: pca953x: Add support for CAT9554 Documentation/devicetree/bindings/gpio/gpio-pca953x.txt | 1 + drivers/gpio/gpio-pca953x.c | 1 + 2 files changed, 2 insertions(+) -- 2.17.1 Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds