Hello, This short series introduce dt-binding document and a driver for the Aspeed AST2500 SGPIO controller. Please review. [v8]: Changes between v7 and v8: - v7 updates based on Linus' feedback - since Linus has already merged sgpio-aspeed.txt, I only include the driver here to avoid confusion. [v7]: Changes between v6 and v7: - fix missing variable 'reg' assign issue in aspeed_sgpio_set() - v6 feedback updates [v6]: Changes between v5 and v6: - fix a bug in aspeed_sgpio_dir_out() - v5 feedback updates, some comments cleanup The related SGPM pinmux dt-binding document, dts, and pinctrl driver updates have been accepted and merged: _http://patchwork.ozlabs.org/patch/1110210/ Hongwei Zhang (1): gpio: aspeed: Add SGPIO driver drivers/gpio/sgpio-aspeed.c | 533 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 533 insertions(+) create mode 100644 drivers/gpio/sgpio-aspeed.c -- 2.7.4