diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.10/950-0588-overlays-Allow-multiple-gpio-shutdown-instances.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.10/950-0588-overlays-Allow-multiple-gpio-shutdown-instances.patch | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.10/950-0588-overlays-Allow-multiple-gpio-shutdown-instances.patch b/target/linux/bcm27xx/patches-5.10/950-0588-overlays-Allow-multiple-gpio-shutdown-instances.patch new file mode 100644 index 0000000000..054e048c69 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.10/950-0588-overlays-Allow-multiple-gpio-shutdown-instances.patch @@ -0,0 +1,42 @@ +From 76eb23d534419db5e794699ae77f1e644f975e8c Mon Sep 17 00:00:00 2001 +From: Phil Elwell <phil@raspberrypi.com> +Date: Sun, 25 Apr 2021 21:07:03 +0100 +Subject: [PATCH] overlays: Allow multiple gpio-shutdown instances + +There is no reason not to support multiple gpio-shutdown signals, +so add the necessary __override__ magic. + +Signed-off-by: Phil Elwell <phil@raspberrypi.com> +--- + arch/arm/boot/dts/overlays/gpio-shutdown-overlay.dts | 6 ++++-- + 1 file changed, 4 insertions(+), 2 deletions(-) + +--- a/arch/arm/boot/dts/overlays/gpio-shutdown-overlay.dts ++++ b/arch/arm/boot/dts/overlays/gpio-shutdown-overlay.dts +@@ -24,7 +24,7 @@ + // by a "pinctrl client", as is done below. See: + // https://www.kernel.org/doc/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt + // https://www.kernel.org/doc/Documentation/devicetree/bindings/pinctrl/brcm,bcm2835-gpio.txt +- pin_state: shutdown_button_pins { ++ pin_state: shutdown_button_pins@3 { + brcm,pins = <3>; // gpio number + brcm,function = <0>; // 0 = input, 1 = output + brcm,pull = <2>; // 0 = none, 1 = pull down, 2 = pull up +@@ -35,7 +35,7 @@ + // Add a new device to the /soc devicetree node + target-path = "/soc"; + __overlay__ { +- shutdown_button { ++ shutdown_button: shutdown_button@3 { + // Let the gpio-keys driver handle this device. See: + // https://www.kernel.org/doc/Documentation/devicetree/bindings/input/gpio-keys.txt + compatible = "gpio-keys"; +@@ -69,6 +69,8 @@ + __overrides__ { + // Allow overriding the GPIO number. + gpio_pin = <&button>,"gpios:4", ++ <&shutdown_button>,"reg:0", ++ <&pin_state>,"reg:0", + <&pin_state>,"brcm,pins:0"; + + // Allow changing the internal pullup/down state. 0 = none, 1 = pulldown, 2 = pullup |