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>

diff --git a/arch/arm/boot/dts/imx28-cfa10049.dts b/arch/arm/boot/dts/imx28-cfa10049.dts
index 1f7fa50414b6b8f4c761d6bf3d70a846654bfd64..05c892e931e31521b462f2b0075bc20b00d4511e 100644 (file)
--- 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>;
+                               };
+
                        };
                };