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arm64: dts: broadcom: bcm2712: Add one more GPIO node

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Add GPIO and related interrupt controller nodes and wire one
of the lines to power button.

Signed-off-by: Ivan T. Ivanov <iivanov@suse.de>
Signed-off-by: Andrea della Porta <andrea.porta@suse.com>
Link: https://lore.kernel.org/r/6d311b2f629bbc0e1dd9821e4aa8e5af9f8e5362.1756386531.git.andrea.porta@suse.com
Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com>
This commit is contained in:
Ivan T. Ivanov 2025-08-28 15:17:12 +02:00 committed by Florian Fainelli
parent 7e1aa57c2d
commit 72eb12b99d
2 changed files with 33 additions and 0 deletions
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21
arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b-ovl-rp1.dts
View File

@ -2,6 +2,7 @@
/dts-v1/;
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include "bcm2712.dtsi"
/ {
@ -29,6 +30,20 @@ memory@0 {
reg = <0 0 0 0x28000000>;
};
gpio-keys {
compatible = "gpio-keys";
pinctrl-names = "default";
pinctrl-0 = <&pwr_button_default>;
status = "okay";
power_button: power-button {
label = "pwr_button";
linux,code = <KEY_POWER>;
gpios = <&gio 20 GPIO_ACTIVE_LOW>;
debounce-interval = <50>;
};
};
sd_io_1v8_reg: sd-io-1v8-reg {
compatible = "regulator-gpio";
regulator-name = "vdd-sd-io";
@ -58,6 +73,12 @@ emmc_sd_default: emmc-sd-default-state {
pins = "emmc_cmd", "emmc_dat0", "emmc_dat1", "emmc_dat2", "emmc_dat3";
bias-pull-up;
};
pwr_button_default: pwr-button-default-state {
function = "gpio";
pins = "gpio20";
bias-pull-up;
};
};
&pinctrl_aon {

12
arch/arm64/boot/dts/broadcom/bcm2712.dtsi
View File

@ -248,6 +248,18 @@ pinctrl: pinctrl@7d504100 {
reg = <0x7d504100 0x30>;
};
gio: gpio@7d508500 {
compatible = "brcm,bcm7445-gpio", "brcm,brcmstb-gpio";
reg = <0x7d508500 0x40>;
interrupt-parent = <&main_irq>;
interrupts = <0>;
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <2>;
brcm,gpio-bank-widths = <32 22>;
};
pinctrl_aon: pinctrl@7d510700 {
compatible = "brcm,bcm2712c0-aon-pinctrl";
reg = <0x7d510700 0x20>;