From mboxrd@z Thu Jan 1 00:00:00 1970 From: Javier Martinez Canillas Subject: [PATCH 3/4] spi: samsung: Update binding documentation Date: Wed, 16 Jul 2014 17:19:09 +0200 Message-ID: <1405523950-2231-4-git-send-email-javier.martinez@collabora.co.uk> References: <1405523950-2231-1-git-send-email-javier.martinez@collabora.co.uk> Cc: Naveen Krishna Chatradhi , Tomasz Figa , Doug Anderson , Olof Johansson , Kukjin Kim , Sachin Kamat , devicetree@vger.kernel.org, linux-spi@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Javier Martinez Canillas To: Mark Brown Return-path: In-Reply-To: <1405523950-2231-1-git-send-email-javier.martinez@collabora.co.uk> Sender: linux-samsung-soc-owner@vger.kernel.org List-Id: linux-spi.vger.kernel.org From: Naveen Krishna Chatradhi 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 --- Documentation/devicetree/bindings/spi/spi-samsung.txt | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/Documentation/devicetree/bindings/spi/spi-samsung.txt b/Documentation/devicetree/bindings/spi/spi-samsung.txt index 7f2d88d..1e8a857 100644 --- a/Documentation/devicetree/bindings/spi/spi-samsung.txt +++ b/Documentation/devicetree/bindings/spi/spi-samsung.txt @@ -38,15 +38,13 @@ 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. @@ -84,6 +82,7 @@ Example: #size-cells = <0>; pinctrl-names = "default"; pinctrl-0 = <&spi0_bus>; + cs-gpios = <&gpa2 5 0>; w25q80bw@0 { #address-cells = <1>; @@ -93,7 +92,6 @@ Example: spi-max-frequency = <10000>; controller-data { - cs-gpio = <&gpa2 5 1 0 3>; samsung,spi-feedback-delay = <0>; }; -- 2.0.0.rc2