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drivers: gpio: mmio32: update gpio_mmio32 to behave like other divers

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The current implementation requires SoCs/Boards to manualy instantiate
the preripherals and initilize them.

The change lets Zephyr rely on the device tree setup to instantiate &
initialize the relevant gpio peripheral.

Signed-off-by: Wilfried Chauveau <wilfried.chauveau@arm.com>
This commit is contained in:
Wilfried Chauveau 2024-11-28 15:34:39 +00:00 • committed by Benjamin Cabé
commit c0139fad06
14 changed files with 83 additions and 184 deletions
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7
boards/arm/mps2/mps2_base.dtsi
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@ -236,7 +236,7 @@
};
gpio_led0: mps2_fpgaio@40028000 {
compatible = "arm,mps2-fpgaio-gpio";
compatible = "arm,mmio32-gpio";
reg = <0x40028000 0x4>;
gpio-controller;
#gpio-cells = <1>;
@ -244,15 +244,16 @@
};
gpio_button: mps2_fpgaio@40028008 {
compatible = "arm,mps2-fpgaio-gpio";
compatible = "arm,mmio32-gpio";
reg = <0x40028008 0x4>;
gpio-controller;
#gpio-cells = <1>;
ngpios = <2>;
direction-input;
};
gpio_misc: mps2_fpgaio@4002804c {
compatible = "arm,mps2-fpgaio-gpio";
compatible = "arm,mmio32-gpio";
reg = <0x4002804c 0x4>;
gpio-controller;
#gpio-cells = <1>;