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[PATCH 6/7] misc: eeprom: 93xx46: Add DT binding for a GPIO 'select' line.

From Cory Tusar <cory.tusar@pid1solutions.com>
Newsgroups linux.kernel
Subject [PATCH 6/7] misc: eeprom: 93xx46: Add DT binding for a GPIO 'select' line.
Date 2015-11-17 05:20 +0100
Message-ID <qvFUm-8sw-15@gated-at.bofh.it> (permalink)
References <qvFUl-8sw-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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This commit documents an additional devicetree binding in the
eeprom_93x46 driver allowing a GPIO line to function as a 'select'
or 'enable' signal prior to accessing the EEPROM.

Signed-off-by: Cory Tusar <cory.tusar@pid1solutions.com>
---
 Documentation/devicetree/bindings/misc/eeprom-93xx46.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/misc/eeprom-93xx46.txt b/Documentation/devicetree/bindings/misc/eeprom-93xx46.txt
index 34a0cc2..75b16f4 100644
--- a/Documentation/devicetree/bindings/misc/eeprom-93xx46.txt
+++ b/Documentation/devicetree/bindings/misc/eeprom-93xx46.txt
@@ -6,6 +6,8 @@ Required properties:
 
 Optional properties:
 - read-only : parameter-less property which disables writes to the EEPROM
+- select-gpio : if present, specifies the GPIO that will be asserted prior to
+  each access to the EEPROM (e.g. for SPI bus multiplexing)
 
 Property rules described in Documentation/devicetree/bindings/spi/spi-bus.txt
 apply.  In particular, "reg" and "spi-max-frequency" properties must be given.
@@ -17,4 +19,5 @@ Example:
 		spi-max-frequency = <1000000>;
 		spi-cs-high;
 		data-size = <8>;
+		select-gpio = <&gpio4 4 GPIO_ACTIVE_HIGH>;
 	};
-- 
2.4.10

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[PATCH 0/7] Devicetree support for misc/eeprom/eeprom_93xx46. Cory Tusar <cory.tusar@pid1solutions.com> - 2015-11-17 05:20 +0100
  [PATCH 4/7] misc: eeprom: 93xx46: Add DT binding for Atmel AT93C46D devices. Cory Tusar <cory.tusar@pid1solutions.com> - 2015-11-17 05:20 +0100
    Re: [PATCH 4/7] misc: eeprom: 93xx46: Add DT binding for Atmel  AT93C46D devices. Rob Herring <robh@kernel.org> - 2015-11-17 22:00 +0100
      Re: [PATCH 4/7] misc: eeprom: 93xx46: Add DT binding for Atmel  AT93C46D devices. Cory Tusar <cory.tusar@pid1solutions.com> - 2015-11-17 22:20 +0100
  [PATCH 5/7] misc: eeprom: 93xx46: Add quirks to support Atmel AT93C46D device. Cory Tusar <cory.tusar@pid1solutions.com> - 2015-11-17 05:20 +0100
  [PATCH 6/7] misc: eeprom: 93xx46: Add DT binding for a GPIO 'select' line. Cory Tusar <cory.tusar@pid1solutions.com> - 2015-11-17 05:20 +0100
    Re: [PATCH 6/7] misc: eeprom: 93xx46: Add DT binding for a GPIO  'select' line. Rob Herring <robh@kernel.org> - 2015-11-17 22:00 +0100
      Re: [PATCH 6/7] misc: eeprom: 93xx46: Add DT binding for a GPIO  'select' line. Cory Tusar <cory.tusar@pid1solutions.com> - 2015-11-17 22:20 +0100
  [PATCH 2/7] misc: eeprom: 93xx46: Add DT bindings to eeprom_93xx46 driver. Cory Tusar <cory.tusar@pid1solutions.com> - 2015-11-17 05:20 +0100
    Re: [PATCH 2/7] misc: eeprom: 93xx46: Add DT bindings to  eeprom_93xx46 driver. Rob Herring <robh@kernel.org> - 2015-11-17 22:00 +0100
      Re: [PATCH 2/7] misc: eeprom: 93xx46: Add DT bindings to  eeprom_93xx46 driver. Cory Tusar <cory.tusar@pid1solutions.com> - 2015-11-17 22:20 +0100
  [PATCH 1/7] misc: eeprom: 93xx46: Fix 16-bit read and write accesses. Cory Tusar <cory.tusar@pid1solutions.com> - 2015-11-17 05:20 +0100
  [PATCH 3/7] misc: eeprom: 93xx46: Implement eeprom_93xx46 DT bindings. Cory Tusar <cory.tusar@pid1solutions.com> - 2015-11-17 05:20 +0100

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