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Switch to new UART driver from upstream #36

Merged
merged 9 commits into from
Jun 25, 2015
Merged

Switch to new UART driver from upstream #36

merged 9 commits into from
Jun 25, 2015

Commits on Jun 25, 2015

  1. Revert "serial/8250: add support for Ingenic jz4780 UARTs" 

    This reverts commit 6b0f507.
    Alex Smith committed Jun 25, 2015
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  2. Revert "tty: 8250: jz4780: Add MCR register bits for flow control." 

    This reverts commit f2c4b22.
    Alex Smith committed Jun 25, 2015
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  3. devicetree: document Ingenic SoC UART binding 

    Add binding documentation for the UARTs found in Ingenic SoCs.

Signed-off-by: Paul Burton <[email protected]>
Acked-by: Rob Herring <[email protected]>
Cc: Ian Campbell <[email protected]>
Cc: Kumar Gala <[email protected]>
Cc: Lars-Peter Clausen <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Pawel Moll <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/10161/
Signed-off-by: Ralf Baechle <[email protected]>
    @paulburton
    paulburton authored and Alex Smith committed Jun 25, 2015
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  4. serial: 8250_ingenic: support for Ingenic SoC UARTs 

    Introduce a driver suitable for use with the UARTs present in
Ingenic SoCs such as the JZ4740 & JZ4780. These are described as being
ns16550 compatible but aren't quite - they require the setting of an
extra bit in the FCR register to enable the UART module. The serial_out
implementation is the same as that in arch/mips/jz4740/serial.c - which
will shortly be removed.

Signed-off-by: Paul Burton <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Cc: Jiri Slaby <[email protected]>
Cc: Lars-Peter Clausen <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: Sebastian Andrzej Siewior <[email protected]>
Cc: Peter Hurley <[email protected]>
Cc: Alan Cox <[email protected]>
Cc: [email protected]
Cc: Matthias Brugger <[email protected]>
Cc: Ricardo Ribalda Delgado <[email protected]>
Cc: Tony Lindgren <[email protected]>
Cc: John Crispin <[email protected]>
Patchwork: https://patchwork.linux-mips.org/patch/10159/
Signed-off-by: Ralf Baechle <[email protected]>
    @paulburton
    paulburton authored and Alex Smith committed Jun 25, 2015
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  5. serial: 8250_ingenic: Add MCR register bits for flow control 

    These bits are not standard 550 uart.
For the serial module in the JZ4780, they need to be enabled
for flow control to work.

Found using old ingenic history to get BT to work on 3.16

Based on original patch by Zubair, changed to keep changes local to
the Ingenic UART driver by hooking in to serial_out and doing the
right thing when modem status interrupts are enabled/disabled.

Signed-off-by: Alex Smith <[email protected]>
    Alex Smith committed Jun 25, 2015
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  6. MIPS: JZ4740: use Ingenic SoC UART driver 

    Remove the serial support from arch/mips/jz4740 & make use of the new
Ingenic SoC UART driver. This is done for both regular & early console
output.

Signed-off-by: Paul Burton <[email protected]>
Cc: Ian Campbell <[email protected]>
Cc: Kumar Gala <[email protected]>
Cc: Lars-Peter Clausen <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Pawel Moll <[email protected]>
Cc: Rob Herring <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: Linus Walleij <[email protected]>
Cc: Stephen Warren <[email protected]>
Cc: [email protected]
Cc: Brian Norris <[email protected]>
Cc: Apelete Seketeli <[email protected]>
Cc: Alexandre Courbot <[email protected]>
Patchwork: https://patchwork.linux-mips.org/patch/10160/
Signed-off-by: Ralf Baechle <[email protected]>
    @paulburton
    paulburton authored and Alex Smith committed Jun 25, 2015
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  7. MIPS: JZ4780: Update DT for new UART driver 

    Signed-off-by: Alex Smith <[email protected]>
    Alex Smith committed Jun 25, 2015
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  8. MIPS: CI20: Define stdout-path property 

    Define the default console to UART4 via the stdout-path property in the
device tree.

Signed-off-by: Alex Smith <[email protected]>
    Alex Smith committed Jun 25, 2015
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  9. MIPS: CI20: Update defconfig 

    Update defconfig for the new UART driver. All console output should now
be on UART4.

Signed-off-by: Alex Smith <[email protected]>
    Alex Smith committed Jun 25, 2015
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