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ARM: dts: imx6-sabreauto: add reset-gpios property for max7310_b

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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>
This commit is contained in:
Steve Longerbeam 2017-06-12 11:24:02 -07:00 committed by Shawn Guo
parent 9976c92df9
commit f9f1353b75
1 changed files with 9 additions and 0 deletions
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9
arch/arm/boot/dts/imx6qdl-sabreauto.dtsi
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@ -136,6 +136,9 @@ max7310_b: gpio@32 {
reg = <0x32>;
gpio-controller;
#gpio-cells = <2>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_max7310>;
reset-gpios = <&gpio1 15 GPIO_ACTIVE_LOW>;
};
max7310_c: gpio@34 {
@ -441,6 +444,12 @@ MX6QDL_PAD_EIM_A24__GPIO5_IO04 0x0b0b1
>;
};
pinctrl_max7310: max7310grp {
fsl,pins = <
MX6QDL_PAD_SD2_DAT0__GPIO1_IO15 0x1b0b0
>;
};
pinctrl_pwm3: pwm1grp {
fsl,pins = <
MX6QDL_PAD_SD4_DAT1__PWM3_OUT 0x1b0b1