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>

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>;
+                                };
+
                         };
                 };