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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>
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1 changed files with 21 additions and 0 deletions
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@ -27,6 +27,8 @@ spi3_pins_cfa10049: spi3-cfa10049@0 {
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fsl,pinmux-ids = <
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fsl,pinmux-ids = <
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0x0181 /* MX28_PAD_GPMI_RDN__SSP3_SCK */
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0x0181 /* MX28_PAD_GPMI_RDN__SSP3_SCK */
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0x01c1 /* MX28_PAD_GPMI_RESETN__SSP3_CMD */
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0x01c1 /* MX28_PAD_GPMI_RESETN__SSP3_CMD */
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0x0111 /* MX28_PAD_GPMI_CE1N__SSP3_D3 */
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0x01a2 /* MX28_PAD_GPMI_ALE__SSP3_D4 */
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>;
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>;
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fsl,drive-strength = <1>;
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fsl,drive-strength = <1>;
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fsl,voltage = <1>;
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fsl,voltage = <1>;
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@ -39,6 +41,25 @@ ssp3: ssp@80016000 {
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pinctrl-names = "default";
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pinctrl-names = "default";
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pinctrl-0 = <&spi3_pins_cfa10049>;
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pinctrl-0 = <&spi3_pins_cfa10049>;
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status = "okay";
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status = "okay";
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gpio5: gpio5@0 {
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compatible = "fairchild,74hc595";
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gpio-controller;
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#gpio-cells = <2>;
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reg = <0>;
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registers-number = <2>;
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spi-max-frequency = <100000>;
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};
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gpio6: gpio6@1 {
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compatible = "fairchild,74hc595";
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gpio-controller;
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#gpio-cells = <2>;
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reg = <1>;
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registers-number = <4>;
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spi-max-frequency = <100000>;
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};
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};
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};
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};
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};
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