Re: [PATCH v2 2/2] rtc: ds1302: support control with using GPIO lines
From: Rob Herring <hidden>
Date: 2016-06-28 20:57:04
Also in:
linux-rtc
Possibly related (same subject, not in this thread)
- 2016-06-27 · [PATCH v2 2/2] rtc: ds1302: support control with using GPIO lines · Akinobu Mita <hidden>
On Mon, Jun 27, 2016 at 08:19:22PM +0900, Akinobu Mita wrote:
quoted hunk
This adds support control with GPIO lines connected to the DS1302 which can communicate with three wires. Signed-off-by: Akinobu Mita <redacted> Cc: Sergey Yanovich <redacted> Cc: Alessandro Zummo <redacted> Cc: Alexandre Belloni <alexandre.belloni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org> --- .../devicetree/bindings/rtc/maxim-ds1302.txt | 13 + drivers/rtc/Kconfig | 17 +- drivers/rtc/rtc-ds1302.c | 320 ++++++++++++++++++++- 3 files changed, 331 insertions(+), 19 deletions(-)diff --git a/Documentation/devicetree/bindings/rtc/maxim-ds1302.txt b/Documentation/devicetree/bindings/rtc/maxim-ds1302.txt index ba470c5..d489753 100644 --- a/Documentation/devicetree/bindings/rtc/maxim-ds1302.txt +++ b/Documentation/devicetree/bindings/rtc/maxim-ds1302.txt@@ -27,6 +27,12 @@ Required SPI properties: - spi-cs-high: DS-1302 has active high chip select line. This is required unless inverted in hardware. +Required properties when using GPIO lines: + +- gpio-ce: GPIO connected to CE pin +- gpio-io: GPIO connected to I/O pin +- gpio-reset: GPIO connected to SCLK pin +
IIRC, we got rid of the direct gpio bit-banging in this driver (or a similar one) and replaced it with SPI GPIO driver. We should do that here. Rob -- You received this message because you are subscribed to "rtc-linux". Membership options at http://groups.google.com/group/rtc-linux . Please read http://groups.google.com/group/rtc-linux/web/checklist before submitting a driver. --- You received this message because you are subscribed to the Google Groups "rtc-linux" group. To unsubscribe from this group and stop receiving emails from it, send an email to rtc-linux+unsubscribe-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org For more options, visit https://groups.google.com/d/optout.