ARM: dts: imx6-sabreauto: add reset-gpios property for max7310_b
The reset pin to the port expander chip (MAX7310) is controlled by a gpio, so define a reset-gpios property to control it. There are three MAX7310's on the SabreAuto CPU card (max7310_[abc]), but all use the same pin for their reset. Since all can't acquire the same pin, assign it to max7310_b, that chip is needed by more functions (usb and adv7180). Signed-off-by: Steve Longerbeam <steve_longerbeam@mentor.com> Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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@ -136,6 +136,9 @@
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reg = <0x32>;
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gpio-controller;
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#gpio-cells = <2>;
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_max7310>;
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reset-gpios = <&gpio1 15 GPIO_ACTIVE_LOW>;
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};
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max7310_c: gpio@34 {
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@ -441,6 +444,12 @@
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>;
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};
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pinctrl_max7310: max7310grp {
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fsl,pins = <
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MX6QDL_PAD_SD2_DAT0__GPIO1_IO15 0x1b0b0
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>;
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};
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pinctrl_pwm3: pwm1grp {
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fsl,pins = <
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MX6QDL_PAD_SD4_DAT1__PWM3_OUT 0x1b0b1
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