This patch series add the GPIO device (SIO) in the MSCC VCoreIII-based SOCs, and enables it on the supported platforms.
By using a serial interface, the SIO controller significantly extends the number of available GPIOs with a minimum number of additional pins on the device. The primary purpose of the SIO controller is to connect control signals from SFP modules and to act as an LED controller. This version adress comments from Daniel Schwierzeck <daniel.schwierz...@gmail.com> and Linus Walleij <linus.wall...@linaro.org>. This is based off the u-boot-mips repository. v2 changes: - Extended the DT bindings documentation - Eliminated the need for the "mscc,sgpio-bitcount" property. - Using dev_read_u32_default() instead of fdtdec_get_int() - Using map_physmem() - Added MAINTAINERS entry for driver Lars Povlsen (6): mips: mscc_sgpio: Add the MSCC serial GPIO device (SIO) mips: mscc_sgpio: Add DT bindings documentation mips: luton: DT: Enable use of serial gpio mips: luton: Enable use of serial gpio for LED mips: ocelot: DT: Enable use of serial gpio mips: ocelot: Enable use of serial gpio for LED MAINTAINERS | 1 + arch/mips/dts/luton_pcb090.dts | 21 ++ arch/mips/dts/luton_pcb091.dts | 27 ++ arch/mips/dts/mscc,luton.dtsi | 20 ++ arch/mips/dts/mscc,ocelot.dtsi | 23 ++ arch/mips/dts/ocelot_pcb120.dts | 76 +++++ arch/mips/dts/ocelot_pcb123.dts | 25 ++ board/mscc/luton/luton.c | 6 + board/mscc/ocelot/ocelot.c | 6 + configs/mscc_luton_defconfig | 3 + configs/mscc_ocelot_defconfig | 3 + doc/device-tree-bindings/gpio/mscc_sgpio.txt | 45 +++ drivers/gpio/Kconfig | 11 + drivers/gpio/Makefile | 1 + drivers/gpio/mscc_sgpio.c | 274 +++++++++++++++++++ 15 files changed, 542 insertions(+) create mode 100644 doc/device-tree-bindings/gpio/mscc_sgpio.txt create mode 100644 drivers/gpio/mscc_sgpio.c -- 2.19.2 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
