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| author | Naveen Krishna Chatradhi <ch.naveen@samsung.com> | 2014-07-16 17:19:09 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-07-17 19:37:50 +0100 |
| commit | 797bf3a204ef5d7e451fe5fbeb61650e1efc7917 (patch) | |
| tree | d5eaf9b57be23508ba499fe6446556ae280a7031 /Documentation | |
| parent | 306972cedfdedc662dd8e32a6397d0e29f2ac90e (diff) | |
| download | linux-797bf3a204ef5d7e451fe5fbeb61650e1efc7917.tar.gz linux-797bf3a204ef5d7e451fe5fbeb61650e1efc7917.tar.bz2 linux-797bf3a204ef5d7e451fe5fbeb61650e1efc7917.zip | |
spi: s3c64xx: Update binding documentation
Samsung SPI driver now uses the generic SPI "cs-gpios"
binding so update the documentation accordingly.
Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
[javier.martinez@collabora.co.uk: split changes and improve commit message]
Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/spi/spi-samsung.txt | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/Documentation/devicetree/bindings/spi/spi-samsung.txt b/Documentation/devicetree/bindings/spi/spi-samsung.txt index 86aa061f069f..2d29dacdfed1 100644 --- a/Documentation/devicetree/bindings/spi/spi-samsung.txt +++ b/Documentation/devicetree/bindings/spi/spi-samsung.txt @@ -42,15 +42,13 @@ Optional Board Specific Properties: - num-cs: Specifies the number of chip select lines supported. If not specified, the default number of chip select lines is set to 1. +- cs-gpios: should specify GPIOs used for chipselects (see spi-bus.txt) + SPI Controller specific data in SPI slave nodes: - The spi slave nodes should provide the following information which is required by the spi controller. - - cs-gpio: A gpio specifier that specifies the gpio line used as - the slave select line by the spi controller. The format of the gpio - specifier depends on the gpio controller. - - samsung,spi-feedback-delay: The sampling phase shift to be applied on the miso line (to account for any lag in the miso line). The following are the valid values. @@ -85,6 +83,7 @@ Example: #size-cells = <0>; pinctrl-names = "default"; pinctrl-0 = <&spi0_bus>; + cs-gpios = <&gpa2 5 0>; w25q80bw@0 { #address-cells = <1>; @@ -94,7 +93,6 @@ Example: spi-max-frequency = <10000>; controller-data { - cs-gpio = <&gpa2 5 1 0 3>; samsung,spi-feedback-delay = <0>; }; |