summaryrefslogtreecommitdiff
path: root/arch/arm
diff options
context:
space:
mode:
authorMaxime Ripard <maxime.ripard@free-electrons.com>2012-09-10 22:35:41 +0200
committerShawn Guo <shawn.guo@linaro.org>2012-09-11 09:51:30 +0800
commit13b4569bbbcf58891727138b84b8db5ea4178d32 (patch)
tree7a26ef0795f146a35bf47c7d2da6b9283c0e2975 /arch/arm
parentacd3b69f303173b88413ba5daf5b920cd3700a48 (diff)
ARM: dts: cfa10049: Add the 74HC595 gpio expanders
Add the two daisy-chains of 74hc595s shift registers available on the CFA-10049. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/boot/dts/imx28-cfa10049.dts21
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx28-cfa10049.dts b/arch/arm/boot/dts/imx28-cfa10049.dts
index 1f7fa50414b6..05c892e931e3 100644
--- a/arch/arm/boot/dts/imx28-cfa10049.dts
+++ b/arch/arm/boot/dts/imx28-cfa10049.dts
@@ -27,6 +27,8 @@
fsl,pinmux-ids = <
0x0181 /* MX28_PAD_GPMI_RDN__SSP3_SCK */
0x01c1 /* MX28_PAD_GPMI_RESETN__SSP3_CMD */
+ 0x0111 /* MX28_PAD_GPMI_CE1N__SSP3_D3 */
+ 0x01a2 /* MX28_PAD_GPMI_ALE__SSP3_D4 */
>;
fsl,drive-strength = <1>;
fsl,voltage = <1>;
@@ -39,6 +41,25 @@
pinctrl-names = "default";
pinctrl-0 = <&spi3_pins_cfa10049>;
status = "okay";
+
+ gpio5: gpio5@0 {
+ compatible = "fairchild,74hc595";
+ gpio-controller;
+ #gpio-cells = <2>;
+ reg = <0>;
+ registers-number = <2>;
+ spi-max-frequency = <100000>;
+ };
+
+ gpio6: gpio6@1 {
+ compatible = "fairchild,74hc595";
+ gpio-controller;
+ #gpio-cells = <2>;
+ reg = <1>;
+ registers-number = <4>;
+ spi-max-frequency = <100000>;
+ };
+
};
};