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SubjectRe: [PATCH v7] rtc: rewrite DS1302 using SPI
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 <ynvich@gmail.com>
> CC: Alexandre Belloni <alexandre.belloni@free-electrons.com>
> CC: Rob Herring <robh@kernel.org>
>
> 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 <robh@kernel.org>

> 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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