From: Naveen Krishna Chatradhi <ch.naveen@xxxxxxxxxxx>
Samsung SPI driver now uses the generic SPI "cs-gpios"
binding so update the documentation accordingly.
Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@xxxxxxxxxxx>
[javier.martinez@xxxxxxxxxxxxxxx: split changes and improve commit message]
Signed-off-by: Javier Martinez Canillas <javier.martinez@xxxxxxxxxxxxxxx>
Reviewed-by: Tomasz Figa <t.figa@xxxxxxxxxxx>
---
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
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