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Message-Id: <1387309071-22382-1-git-send-email-ynvich@gmail.com> Date: Tue, 17 Dec 2013 23:37:30 +0400 From: Sergei Ianovich <ynvich@...il.com> To: linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org Cc: Sergei Ianovich <ynvich@...il.com>, Daniel Mack <zonque@...il.com>, Arnd Bergmann <arnd@...db.de>, Haojian Zhuang <haojian.zhuang@...il.com> Subject: [PATCH v3 00/21] ARM: support for ICP DAS LP-8x4x (with dts) Two review comments are not finally settled: 1. Use of new DMA My best guess is to split the patch in two, so that Daniel could easily revert the workaround, once a solution is ready. 2. Device tree representation I've put extbus into platform include file, since the bus is platform- specific, not board-specific. Frame support is now close to 95%, pluggable module support is at around 20%. Most modules should be possible to handele by already working get_DI/DO/AO set_DO/AO functions. I am not including support, since I didn't actually tested the hardware. The same about RS232/485 pluggable port. ICP DAS calls LP-8x4x 'programmable automation controller'. It is an industrial computer based on PXA270 SoC. They ship it with a 2.6.19 kernel and proprietary kernel module and userspace library to access its industrial IO. This patch allows to boot the device with a modern kernel with device tree. It adds support for: * MMC card interface on PXA270 * USB 1.1 port on PXA270 * 2 NOR flash devices * 2 onboard ethernet Davicom DM9000 devices * 3 serial UART ports on PXA270 * front panel red LED * 64bit 1-wire system ID chip * 16 kiB EEPROM (reading) Support for these devices will be added in separate patches, since they are not currently supported by the kernel: * DS1302 RTC * 512kiB SRAM * FPGA irq chip * 3 built-in 16550A serial UART ports * industrial IO parallel bus * 10 position rotary switch * 8 pin DIP switch * 16 kiB EEPROM (writing) * serial interface for digital and analog industrial IO modules on parallel bus (all I-87... modules) * digital and analog industrial IO modules for parallel bus: ** I-8024 4 port analog output ** I-8041 32 port digital output ** I-8042 16 port digital output/16 port digital input Not supported for now: * VGA interface on PXA270 for lack of dts binding * the rest of parallel bus (I-8...) modules for lack of hardware * GPIO reset for lack of relevance (watchdog reset is working) NOTE: USB support requires U-Boot patch series which setups GPIO. Signed-off-by: Sergei Ianovich <ynvich@...il.com> CC: Daniel Mack <zonque@...il.com> CC: Arnd Bergmann <arnd@...db.de> CC: Haojian Zhuang <haojian.zhuang@...il.com> Sergei Ianovich (21): serial: rewrite pxa2xx-uart to use 8250_core ARM: dts: pxa2xx fix compatible strings ARM: dts: fix pxa27x-gpio interrupts ARM: dts: pxa3xx: move declaration to header ARM: dts: pxa27x: irq init using device tree ARM: dts: provide DMA config to pxamci on PXA27x ARM: dts: parse DMA config in pxamci ARM: pxa27x: device tree support ICP DAS LP-8x4x rtc: support DS1302 RTC on ICP DAS LP-8x4x mtd: support BB SRAM on ICP DAS LP-8x4x ARM: pxa: support ICP DAS LP-8x4x FPGA irq serial: support for 16550A serial ports on LP-8x4x misc: support for LP-8x4x custom parallel bus misc: support for LP-8x4x rotary switch misc: support for LP-8x4x DIP switch misc: support for writing to LP-8x4x EEPROM misc: support for serial slots in LP-8x4x misc: support for parallel slots in LP-8x4x misc: support for I-8041 in LP-8x4x misc: support for I-8042 in LP-8x4x misc: support for I-8024 in LP-8x4x .../bindings/interrupt-controller/irq-lp8x4x.txt | 49 ++ .../devicetree/bindings/misc/lp8x4x-bus.txt | 34 + Documentation/devicetree/bindings/mmc/pxa-mmc.txt | 5 + .../devicetree/bindings/rtc/rtc-ds1302.txt | 14 + .../devicetree/bindings/serial/lp8x4x-serial.txt | 35 + Documentation/misc-devices/lp8x4x_bus.txt | 83 ++ arch/arm/boot/dts/Makefile | 1 + arch/arm/boot/dts/pxa27x-lp8x4x.dts | 224 +++++ arch/arm/boot/dts/pxa27x.dtsi | 37 + arch/arm/boot/dts/pxa2xx.dtsi | 5 +- arch/arm/configs/am200epdkit_defconfig | 3 +- arch/arm/configs/cm_x2xx_defconfig | 3 +- arch/arm/configs/cm_x300_defconfig | 3 +- arch/arm/configs/colibri_pxa270_defconfig | 3 +- arch/arm/configs/colibri_pxa300_defconfig | 3 +- arch/arm/configs/corgi_defconfig | 4 +- arch/arm/configs/em_x270_defconfig | 3 +- arch/arm/configs/ezx_defconfig | 3 +- arch/arm/configs/h5000_defconfig | 3 +- arch/arm/configs/imote2_defconfig | 3 +- arch/arm/configs/lp8x4x_defconfig | 172 ++++ arch/arm/configs/lpd270_defconfig | 3 +- arch/arm/configs/lubbock_defconfig | 3 +- arch/arm/configs/mainstone_defconfig | 3 +- arch/arm/configs/mmp2_defconfig | 3 +- arch/arm/configs/pcm027_defconfig | 3 +- arch/arm/configs/pxa168_defconfig | 3 +- arch/arm/configs/pxa255-idp_defconfig | 3 +- arch/arm/configs/pxa3xx_defconfig | 3 +- arch/arm/configs/pxa910_defconfig | 3 +- arch/arm/configs/raumfeld_defconfig | 3 +- arch/arm/configs/spitz_defconfig | 4 +- arch/arm/configs/trizeps4_defconfig | 3 +- arch/arm/configs/viper_defconfig | 4 +- arch/arm/configs/xcep_defconfig | 3 +- arch/arm/mach-pxa/Kconfig | 15 + arch/arm/mach-pxa/Makefile | 1 + arch/arm/mach-pxa/include/mach/irqs.h | 2 + arch/arm/mach-pxa/include/mach/pxa27x.h | 1 + arch/arm/mach-pxa/pxa27x-dt.c | 64 ++ arch/arm/mach-pxa/pxa27x.c | 10 + arch/arm/mach-pxa/pxa3xx.c | 2 - drivers/irqchip/Kconfig | 5 + drivers/irqchip/Makefile | 1 + drivers/irqchip/irq-lp8x4x.c | 205 +++++ drivers/misc/Kconfig | 13 + drivers/misc/Makefile | 1 + drivers/misc/lp8x4x_bus.c | 665 ++++++++++++++ drivers/mmc/host/pxamci.c | 59 +- drivers/mtd/devices/Kconfig | 14 + drivers/mtd/devices/Makefile | 1 + drivers/mtd/devices/sram_lp8x4x.c | 227 +++++ drivers/rtc/Kconfig | 2 +- drivers/rtc/rtc-ds1302.c | 100 ++- drivers/tty/serial/8250/8250_lp8x4x.c | 162 ++++ drivers/tty/serial/8250/8250_pxa.c | 178 ++++ drivers/tty/serial/8250/Kconfig | 21 + drivers/tty/serial/8250/Makefile | 2 + drivers/tty/serial/Kconfig | 23 - drivers/tty/serial/Makefile | 1 - drivers/tty/serial/pxa.c | 971 --------------------- 61 files changed, 2439 insertions(+), 1041 deletions(-) create mode 100644 Documentation/devicetree/bindings/interrupt-controller/irq-lp8x4x.txt create mode 100644 Documentation/devicetree/bindings/misc/lp8x4x-bus.txt create mode 100644 Documentation/devicetree/bindings/rtc/rtc-ds1302.txt create mode 100644 Documentation/devicetree/bindings/serial/lp8x4x-serial.txt create mode 100644 Documentation/misc-devices/lp8x4x_bus.txt create mode 100644 arch/arm/boot/dts/pxa27x-lp8x4x.dts create mode 100644 arch/arm/configs/lp8x4x_defconfig create mode 100644 arch/arm/mach-pxa/pxa27x-dt.c create mode 100644 drivers/irqchip/irq-lp8x4x.c create mode 100644 drivers/misc/lp8x4x_bus.c create mode 100644 drivers/mtd/devices/sram_lp8x4x.c create mode 100644 drivers/tty/serial/8250/8250_lp8x4x.c create mode 100644 drivers/tty/serial/8250/8250_pxa.c delete mode 100644 drivers/tty/serial/pxa.c -- 1.8.4.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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