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ath79: use gpio-cascade for Buffalo WZR-HP-G300NH

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Switch to a generic GPIO cascade driver.

Signed-off-by: Mauri Sandberg <maukka@ext.kapsi.fi>
Signed-off-by: Petr Štetiar <ynezz@true.cz> [missing commit description]
This commit is contained in:
Mauri Sandberg
2022-02-06 01:07:10 +02:00
committed by Petr Štetiar
parent 2f50d65161
commit b99aee5080
2 changed files with 32 additions and 11 deletions
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41
target/linux/ath79/dts/ar9132_buffalo_wzr-hp-g300nh.dtsi
View File

@@ -17,16 +17,37 @@
clock-frequency = <40000000>;
};
gpio2: gpio-extender {
compatible = "nxp,74hc153-gpio";
/* There is a GPIO driven NXP 74HC153 dual 4-way multiplexer on board
* used for buttons that are on top of the the device.
*/
mux: mux-controller {
compatible = "gpio-mux";
#mux-control-cells = <0>;
mux-gpios = <&gpio 9 GPIO_ACTIVE_HIGH>, /* s0 */
<&gpio 11 GPIO_ACTIVE_HIGH>; /* s1 */
};
gpio2: key-mux1 {
compatible = "gpio-cascade";
mux-controls = <&mux>;
gpio-controller;
#gpio-cells = <2>;
// GPIOs used by this node
gpio-s0 = <&gpio 9 GPIO_ACTIVE_HIGH>;
gpio-s1 = <&gpio 11 GPIO_ACTIVE_HIGH>;
gpio-1y = <&gpio 12 GPIO_ACTIVE_HIGH>;
gpio-2y = <&gpio 14 GPIO_ACTIVE_HIGH>;
// GPIOs used by this node, the mux pin
upstream-gpios = <&gpio 12 GPIO_ACTIVE_HIGH>; /* 1y */
};
gpio3: key-mux2 {
compatible = "gpio-cascade";
mux-controls = <&mux>;
gpio-controller;
#gpio-cells = <2>;
// GPIOs used by this node, the mux pin
upstream-gpios = <&gpio 14 GPIO_ACTIVE_HIGH>; /* 2y */
};
keys {
@@ -64,21 +85,21 @@
usb {
label = "usb";
linux,code = <BTN_2>;
gpios = <&gpio2 5 GPIO_ACTIVE_LOW>;
gpios = <&gpio3 1 GPIO_ACTIVE_LOW>;
debounce-interval = <60>;
};
router_auto {
label = "router_auto";
linux,code = <BTN_6>;
gpios = <&gpio2 6 GPIO_ACTIVE_HIGH>;
gpios = <&gpio3 2 GPIO_ACTIVE_HIGH>;
debounce-interval = <60>;
};
movie_on {
label = "movie_on";
linux,code = <BTN_4>;
gpios = <&gpio2 7 GPIO_ACTIVE_HIGH>;
gpios = <&gpio3 3 GPIO_ACTIVE_HIGH>;
debounce-interval = <60>;
};
};

2
target/linux/ath79/image/generic.mk
View File

@@ -496,7 +496,7 @@ define Device/buffalo_wzr-hp-g300nh
SOC := ar9132
BUFFALO_PRODUCT := WZR-HP-G300NH
BUFFALO_HWVER := 1
DEVICE_PACKAGES := kmod-usb2 kmod-usb-ledtrig-usbport kmod-gpio-nxp-74hc153
DEVICE_PACKAGES := kmod-gpio-cascade kmod-mux-gpio kmod-usb2 kmod-usb-ledtrig-usbport
BLOCKSIZE := 128k
IMAGE_SIZE := 32128k
SUPPORTED_DEVICES += wzr-hp-g300nh