On Tue, Feb 23, 2016 at 01:54:57PM +0300, Sergei Ianovich wrote:

DS1302 is half-duplex SPI device. The driver respects this fact now.

Pin configurations should be implemented using SPI subsystem.

Signed-off-by: Sergei Ianovich <redacted>
CC: Alexandre Belloni <alexandre.belloni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
CC: Rob Herring <redacted>

   v6..v7
   * change binding and doc file names

   v5..v6
   * rewrite the driver as an SPI slave device
   * use "maxim" for vendor name per Kconfig
   * stop changing device RAM in device presence test
   * only return time from device if valid
   * use burst mode for reading/writing time
   * dropped charging control. I cannot test it, and it looks broken

   v4..v5
   * drop THIS_MODULE from struct platform driver
   * use "dallas" for vendor name per vendor-prefixes.txt

   v3..v4
   * move DTS bindings to a different patch

   v2..v3
   * use usleep_range instead of custom nsleep
   * number change (07/16 -> 09/21)

   v0..v2
   * use device tree
   * use devm helpers where possible
---
 .../devicetree/bindings/rtc/maxim-ds1302.txt       |  46 +++

Acked-by: Rob Herring <redacted>

 drivers/rtc/Kconfig                                |  15 +-
 drivers/rtc/rtc-ds1302.c                           | 348 ++++++++++-----------
 3 files changed, 212 insertions(+), 197 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/rtc/maxim-ds1302.txt

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