[3/4] spi: samsung: Update binding documentation

Commit Message

Javier Martinez Canillas July 16, 2014, 3:19 p.m. UTC

From: Naveen Krishna Chatradhi <[e-mail]>

Samsung SPI driver now uses the generic SPI "cs-gpios"
binding so update the documentation accordingly.

Signed-off-by: Naveen Krishna Chatradhi <[e-mail]>
[[e-mail]: split changes and improve commit message]
Signed-off-by: Javier Martinez Canillas <[e-mail]>
Reviewed-by: Tomasz Figa <[e-mail]>
---
 Documentation/devicetree/bindings/spi/spi-samsung.txt | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

Comments

Mark Brown July 17, 2014, 6:48 p.m. UTC | #1

On Wed, Jul 16, 2014 at 05:19:09PM +0200, Javier Martinez Canillas wrote:
> From: Naveen Krishna Chatradhi <[e-mail]>
> 
> Samsung SPI driver now uses the generic SPI "cs-gpios"
> binding so update the documentation accordingly.

Applied, thanks.  Please do try to use changelogs that are consistent
with the general style, or at least consistent within a patch series.

Patch

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>;
 			};