From: Naveen Krishna Chatradhi Date: Wed, 16 Jul 2014 15:19:09 +0000 (+0200) Subject: spi: s3c64xx: Update binding documentation X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=797bf3a204ef5d7e451fe5fbeb61650e1efc7917;p=linux-beck.git 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 [javier.martinez@collabora.co.uk: split changes and improve commit message] Signed-off-by: Javier Martinez Canillas Reviewed-by: Tomasz Figa Signed-off-by: Mark Brown --- 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>; };