I got a Gemini platform from Florian Fainelli over at OpenWRT some time back. I finally got around to "future-proofing" the platform, which was the idea when he paintakingly sent the box over to me.
This is the result: Gemini is converted to device tree and multiplatform, all existing drivers are rewritten into their proper subsystems and the old board-specific and machine-specific code is deleted. I would ideally like the irqchip, clocksource, gpio, rtc and MTD patches (and bindings) to simply be merged into the respective subsystem and the remaining ARM/ARM SoC patches funnelled to the ARM SoC tree in a single pull request, lock stock and barrel, with changes to board files and DTS additions in one go. But I guess I could also switch the DTS files to a separate branch. The OpenWRT tree still have a whole bunch of significant out-of tree drivers: - Watchdog - GMAC (ethernet) - FOT2G USB EHCI host - PATA - PCI But I do not see any big obstacle in porting these over to be probed from the device tree and upstreamed on top of this patch series. I might tinker with it if I get time. The out-of-tree code can be found here: http://git.openwrt.org/?p=openwrt.git;a=tree;f=target/linux/gemini;h=b74c3d8f0100e2ac8a4d71c4d23c082db2993e63;hb=HEAD Linus Walleij (22): ARM: gemini: convert to MULTI_IRQ_HANDLER irqchip: DT bindings for Cortina Gemini irqchip irqchip: add a driver for Cortina Gemini clocksource: add DT bindings for Cortina Gemini clocksource: Add driver for the Cortina Gemini gpio: add DT bindings for Cortina Gemini GPIO gpio: Add a driver for Cortina Systems Gemini GPIO rtc: Add device tree probing to the Gemini driver mtd: add DT bindings for the Cortina Systems Gemini Flash mtd: physmap_of: add a hook for Gemini flash probing ARM: dts: add top-level DT bindings for Cortina Gemini ARM: gemini: DT for the Cortina Gemini SoC platforms ARM: dts: add device tree for Gemini SoC and SQ201 ARM: dts: add a devicetree for Raidsonic NAS IB-4220-B ARM: dts: add a devicetree for Teltonika RUT1xx ARM: dts: add a devicetree for Wiliboard WBD-111 ARM: dts: add a devicetree for Wiliboard WBD-222 ARM: gemini: delete all boardfiles ARM: gemini: switch to sparse IRQs ARM: gemini: select ARM_PATCH_PHYS_VIRT and AUTO_ZRELADDR ARM: gemini: convert to ARMv4 multiplatform ARM: configs: add a gemini defconfig Documentation/devicetree/bindings/arm/gemini.txt | 58 +++++ .../bindings/gpio/cortina,gemini-gpio.txt | 24 ++ .../cortina,gemini-interrupt-controller.txt | 22 ++ .../bindings/mtd/cortina,gemini-flash.txt | 24 ++ .../devicetree/bindings/rtc/cortina,gemini.txt | 14 ++ .../bindings/timer/cortina,gemini-timer.txt | 22 ++ arch/arm/Kconfig | 9 - arch/arm/boot/dts/Makefile | 6 + arch/arm/boot/dts/gemini-nas4220b.dts | 68 +++++ arch/arm/boot/dts/gemini-rut1xx.dts | 63 +++++ arch/arm/boot/dts/gemini-sq201.dts | 94 +++++++ arch/arm/boot/dts/gemini-wbd111.dts | 101 ++++++++ arch/arm/boot/dts/gemini-wbd222.dts | 101 ++++++++ arch/arm/boot/dts/gemini.dtsi | 96 +++++++ arch/arm/configs/gemini_defconfig | 63 +++++ arch/arm/mach-gemini/Kconfig | 52 +--- arch/arm/mach-gemini/Makefile | 15 +- arch/arm/mach-gemini/Makefile.boot | 9 - arch/arm/mach-gemini/board-dt.c | 62 +++++ arch/arm/mach-gemini/board-nas4220b.c | 106 -------- arch/arm/mach-gemini/board-rut1xx.c | 92 ------- arch/arm/mach-gemini/board-wbd111.c | 133 ---------- arch/arm/mach-gemini/board-wbd222.c | 133 ---------- arch/arm/mach-gemini/common.h | 33 --- arch/arm/mach-gemini/devices.c | 118 --------- arch/arm/mach-gemini/gpio.c | 231 ----------------- arch/arm/mach-gemini/idle.c | 31 --- arch/arm/mach-gemini/include/mach/entry-macro.S | 33 --- arch/arm/mach-gemini/include/mach/global_reg.h | 278 --------------------- arch/arm/mach-gemini/include/mach/hardware.h | 71 ------ arch/arm/mach-gemini/include/mach/irqs.h | 53 ---- arch/arm/mach-gemini/include/mach/uncompress.h | 42 ---- arch/arm/mach-gemini/irq.c | 105 -------- arch/arm/mach-gemini/mm.c | 82 ------ arch/arm/mach-gemini/reset.c | 25 -- drivers/clocksource/Kconfig | 10 + drivers/clocksource/Makefile | 1 + .../time.c => drivers/clocksource/timer-gemini.c | 168 ++++++++----- drivers/gpio/Kconfig | 9 + drivers/gpio/Makefile | 1 + drivers/gpio/gpio-gemini.c | 236 +++++++++++++++++ drivers/irqchip/Makefile | 1 + drivers/irqchip/irq-gemini.c | 190 ++++++++++++++ drivers/mtd/maps/Kconfig | 10 + drivers/mtd/maps/Makefile | 3 + drivers/mtd/maps/physmap_of.c | 9 +- drivers/mtd/maps/physmap_of_gemini.c | 120 +++++++++ drivers/mtd/maps/physmap_of_gemini.h | 16 ++ drivers/rtc/rtc-gemini.c | 7 + 49 files changed, 1545 insertions(+), 1705 deletions(-) create mode 100644 Documentation/devicetree/bindings/arm/gemini.txt create mode 100644 Documentation/devicetree/bindings/gpio/cortina,gemini-gpio.txt create mode 100644 Documentation/devicetree/bindings/interrupt-controller/cortina,gemini-interrupt-controller.txt create mode 100644 Documentation/devicetree/bindings/mtd/cortina,gemini-flash.txt create mode 100644 Documentation/devicetree/bindings/rtc/cortina,gemini.txt create mode 100644 Documentation/devicetree/bindings/timer/cortina,gemini-timer.txt create mode 100644 arch/arm/boot/dts/gemini-nas4220b.dts create mode 100644 arch/arm/boot/dts/gemini-rut1xx.dts create mode 100644 arch/arm/boot/dts/gemini-sq201.dts create mode 100644 arch/arm/boot/dts/gemini-wbd111.dts create mode 100644 arch/arm/boot/dts/gemini-wbd222.dts create mode 100644 arch/arm/boot/dts/gemini.dtsi create mode 100644 arch/arm/configs/gemini_defconfig delete mode 100644 arch/arm/mach-gemini/Makefile.boot create mode 100644 arch/arm/mach-gemini/board-dt.c delete mode 100644 arch/arm/mach-gemini/board-nas4220b.c delete mode 100644 arch/arm/mach-gemini/board-rut1xx.c delete mode 100644 arch/arm/mach-gemini/board-wbd111.c delete mode 100644 arch/arm/mach-gemini/board-wbd222.c delete mode 100644 arch/arm/mach-gemini/common.h delete mode 100644 arch/arm/mach-gemini/devices.c delete mode 100644 arch/arm/mach-gemini/gpio.c delete mode 100644 arch/arm/mach-gemini/idle.c delete mode 100644 arch/arm/mach-gemini/include/mach/entry-macro.S delete mode 100644 arch/arm/mach-gemini/include/mach/global_reg.h delete mode 100644 arch/arm/mach-gemini/include/mach/hardware.h delete mode 100644 arch/arm/mach-gemini/include/mach/irqs.h delete mode 100644 arch/arm/mach-gemini/include/mach/uncompress.h delete mode 100644 arch/arm/mach-gemini/irq.c delete mode 100644 arch/arm/mach-gemini/mm.c delete mode 100644 arch/arm/mach-gemini/reset.c rename arch/arm/mach-gemini/time.c => drivers/clocksource/timer-gemini.c (55%) create mode 100644 drivers/gpio/gpio-gemini.c create mode 100644 drivers/irqchip/irq-gemini.c create mode 100644 drivers/mtd/maps/physmap_of_gemini.c create mode 100644 drivers/mtd/maps/physmap_of_gemini.h -- 2.9.3 _______________________________________________ openwrt-devel mailing list openwrt-devel@lists.openwrt.org https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-devel
