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* gpio: add Tegra186 GPIO driverStephen Warren2016-05-31-0/+60
| | | | | | | | | | | | | | Tegra186's GPIO controller register layout is significantly different from previous chips, so add a new driver for it. In fact, there are two different GPIO controllers in Tegra186 that share a similar register layout, but very different port mapping. This driver covers both. The DT binding is already present in the Linux kernel (in linux-next via the Tegra tree so far). Signed-off-by: Stephen Warren <swarren@nvidia.com> Reviewed-by: Simon Glass <sjg@chromium.org> # v1 Signed-off-by: Tom Warren <twarren@nvidia.com>
* ARM: tegra: fix naming in GPIO DT binding headerStephen Warren2016-05-31-34/+34
| | | | | | | | | | | | According to the Tegra TRM, GPIOs are aggregated into /ports/ of 8 GPIOs, not into /banks/. Fix <dt-bindings/gpio/tegra-gpio.h> to correctly reflect this naming convention. While this seems like silly churn, it will become slightly more important once we introduce the GPIO binding for upcoming Tegra chips. This mirrors an identical commit in the Linux kernel. Signed-off-by: Stephen Warren <swarren@nvidia.com> Reviewed-by: Simon Glass <sjg@chromium.org> Signed-off-by: Tom Warren <twarren@nvidia.com>
* x86: broadwell: Add a pinctrl driverSimon Glass2016-03-17-0/+12
| | | | | | | | | | | GPIO pins need to be set up on start-up. Add a driver to provide this, configured from the device tree. The binding is slightly different from the existing ICH6 binding, since that is quite verbose. The new binding should be just as extensible. Signed-off-by: Simon Glass <sjg@chromium.org> Acked-by: Bin Meng <bmeng.cn@gmail.com>
* x86: gpio: add pinctrl support from the device treeGabriel Huau2015-06-04-0/+31
| | | | | | | | | Every pin can be configured now from the device tree. A dt-bindings has been added to describe the different property available. Change-Id: I1668886062655f83700d0e7bbbe3ad09b19ee975 Signed-off-by: Gabriel Huau <contact@huau-gabriel.fr> Acked-by: Simon Glass <sjg@chromium.org>
* tegra: dts: Bring in GPIO bindings from linuxSimon Glass2014-06-20-0/+66
These files are taken from Linux 3.14. Signed-off-by: Simon Glass <sjg@chromium.org> Acked-by: Stephen Warren <swarren@nvidia.com>