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2013-04-19pinctrl: vt8500: wmt: Fix checking return value of pinctrl_register()Axel Lin1-1/+1
pinctrl_register() returns NULL on error. Signed-off-by: Axel Lin <axel.lin@ingics.com> Acked-by: Tony Prisk <linux@prisktech.co.nz> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Olof Johansson <olof@lixom.net>
2013-04-04pinctrl: gpio: vt8500: Add pincontrol driver for arch-vt8500Tony Prisk9-0/+2971
This patch adds support for the GPIO/pinmux controller found on the VIA VT8500 and Wondermedia WM8xxx-series SoCs. Each pin within the controller is capable of operating as a GPIO or as an alternate function. The pins are numbered according to their control bank/bit so that if new pins are added, the existing numbering is maintained. All currently supported SoCs are included: VT8500, WM8505, WM8650, WM8750 and WM8850. Signed-off-by: Tony Prisk <linux@prisktech.co.nz> Reviewed-by: Stephen Warren <swarren@nvidia.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>