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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>
This commit is contained in:
Maxime Ripard 2012-09-10 22:35:41 +02:00 committed by Shawn Guo
parent acd3b69f30
commit 13b4569bbb
1 changed files with 21 additions and 0 deletions
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21
arch/arm/boot/dts/imx28-cfa10049.dts
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@ -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>;
};
};
};