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linux/drivers/tty/serial/8250
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Oskar Senft 8d310c9107 drivers/tty/serial/8250: Make Aspeed VUART SIRQ polarity configurable 
Make the SIRQ polarity for Aspeed AST24xx/25xx VUART configurable via
sysfs. This setting need to be changed on specific host platforms
depending on the selected host interface (LPC / eSPI).

The setting is configurable via sysfs rather than device-tree to stay in
line with other related configurable settings.

On AST2500 the VUART SIRQ polarity can be auto-configured by reading a
bit from a configuration register, e.g. the LPC/eSPI interface
configuration bit.

Tested: Verified on TYAN S7106 mainboard.
Signed-off-by: Oskar Senft <osk@google.com>
Link: https://lore.kernel.org/r/20190905144130.220713-1-osk@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-10-04 15:05:20 +02:00
..
8250_accent.c tty: serial: Remove redundant license text 2017-11-08 13:08:12 +01:00
8250_acorn.c tty: serial: Remove redundant license text 2017-11-08 13:08:12 +01:00
8250_aspeed_vuart.c drivers/tty/serial/8250: Make Aspeed VUART SIRQ polarity configurable 2019-10-04 15:05:20 +02:00
8250_bcm2835aux.c tty: Remove dev_err() usage after platform_get_irq() 2019-09-04 12:43:49 +02:00
8250_boca.c tty: serial: Remove redundant license text 2017-11-08 13:08:12 +01:00
8250_core.c serial: 8250: Don't check for mctrl_gpio_init() returning -ENOSYS 2019-09-04 12:43:50 +02:00
8250_dma.c serial: 8250: factor out serial8250_{set,clear}_THRI() helpers 2019-06-18 09:36:55 +02:00
8250_dw.c serial: 8250_dw: Use devm_clk_get_optional() to get the input clock 2019-10-04 14:58:05 +02:00
8250_dwlib.c serial: 8250_dw: split Synopsys DesignWare 8250 common functions 2019-09-04 12:43:52 +02:00
8250_dwlib.h serial: 8250_dw: split Synopsys DesignWare 8250 common functions 2019-09-04 12:43:52 +02:00
8250_early.c serial: 8250_early: Setup divider when uartclk is passed 2018-04-25 14:56:12 +02:00
8250_em.c headers: separate linux/mod_devicetable.h from linux/platform_device.h 2018-07-07 17:52:26 +02:00
8250_exar_st16c554.c tty: serial: Remove redundant license text 2017-11-08 13:08:12 +01:00
8250_exar.c serial: 8250_exar: Replace msleep(1) with usleep_range() 2019-09-04 12:43:51 +02:00
8250_fintek.c serial: 8250_fintek: Make fintek_8250_set_termios static 2019-03-28 00:29:03 +09:00
8250_fourport.c tty: serial: Remove redundant license text 2017-11-08 13:08:12 +01:00
8250_fsl.c serial: 8250: Rate limit serial port rx interrupts during input overruns 2018-12-17 16:02:57 +01:00
8250_gsc.c tty: serial: Remove redundant license text 2017-11-08 13:08:12 +01:00
8250_hp300.c tty: add SPDX identifiers to all remaining files in drivers/tty/ 2017-11-08 13:08:12 +01:00
8250_hub6.c tty: serial: Remove redundant license text 2017-11-08 13:08:12 +01:00
8250_ingenic.c Serial: Ingenic: Add support for the X1000. 2019-01-30 09:31:30 +01:00
8250_lpc18xx.c tty: Remove dev_err() usage after platform_get_irq() 2019-09-04 12:43:49 +02:00
8250_lpss.c serial: 8250_lpss: Switch over to MSI interrupts 2019-10-04 14:58:05 +02:00
8250_men_mcb.c tty: fix up a few remaining files without SPDX identifiers 2019-04-04 18:48:43 +02:00
8250_mid.c tty: serial: Remove redundant license text 2017-11-08 13:08:12 +01:00
8250_mtk.c uart: mediatek: support Rx in-band wakeup 2019-06-10 19:10:27 +02:00
8250_of.c tty: 8250_of: Use software emulated RS485 direction control 2019-10-04 14:50:01 +02:00
8250_omap.c serial: 8250_omap: Fix idling for unloaded serdev drivers 2019-09-04 12:43:43 +02:00
8250_pci.c serial: 8250_pci: Implement MSI(-X) support 2019-09-04 12:43:55 +02:00
8250_pnp.c serial: 8250_pnp: Move to struct dev_pm_ops 2019-09-04 12:43:46 +02:00
8250_port.c serial: 8250_pci: Add support for Sunix serial boards 2019-09-04 12:43:53 +02:00
8250_pxa.c serial: 8250_pxa: honor the port number from devicetree 2019-02-26 12:30:44 +01:00
8250_uniphier.c tty: Remove dev_err() usage after platform_get_irq() 2019-09-04 12:43:49 +02:00
8250.h tty/serial/8250: use mctrl_gpio helpers 2019-06-21 10:18:43 +02:00
Kconfig drivers/tty/serial/8250: Make Aspeed VUART SIRQ polarity configurable 2019-10-04 15:05:20 +02:00
Makefile serial: 8250_pci: Merge 8250_moxa to 8250_pci 2019-09-04 12:43:54 +02:00
serial_cs.c drivers/tty: add error handling for pcmcia_loop_config 2018-06-28 21:23:44 +09:00