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8299d1f057
Rebased RPi foundation patches on linux 5.10.59, removed applied and reverted patches, wireless patches and defconfig patches. bcm2708: boot tested on RPi B+ v1.2 bcm2709: boot tested on RPi 4B v1.1 4G bcm2711: boot tested on RPi 4B v1.1 4G Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
43 lines
1.7 KiB
Diff
43 lines
1.7 KiB
Diff
From 76eb23d534419db5e794699ae77f1e644f975e8c Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.com>
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Date: Sun, 25 Apr 2021 21:07:03 +0100
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Subject: [PATCH] overlays: Allow multiple gpio-shutdown instances
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There is no reason not to support multiple gpio-shutdown signals,
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so add the necessary __override__ magic.
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Signed-off-by: Phil Elwell <phil@raspberrypi.com>
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---
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arch/arm/boot/dts/overlays/gpio-shutdown-overlay.dts | 6 ++++--
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1 file changed, 4 insertions(+), 2 deletions(-)
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--- a/arch/arm/boot/dts/overlays/gpio-shutdown-overlay.dts
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+++ b/arch/arm/boot/dts/overlays/gpio-shutdown-overlay.dts
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@@ -24,7 +24,7 @@
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// by a "pinctrl client", as is done below. See:
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// https://www.kernel.org/doc/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
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// https://www.kernel.org/doc/Documentation/devicetree/bindings/pinctrl/brcm,bcm2835-gpio.txt
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- pin_state: shutdown_button_pins {
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+ pin_state: shutdown_button_pins@3 {
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brcm,pins = <3>; // gpio number
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brcm,function = <0>; // 0 = input, 1 = output
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brcm,pull = <2>; // 0 = none, 1 = pull down, 2 = pull up
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@@ -35,7 +35,7 @@
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// Add a new device to the /soc devicetree node
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target-path = "/soc";
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__overlay__ {
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- shutdown_button {
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+ shutdown_button: shutdown_button@3 {
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// Let the gpio-keys driver handle this device. See:
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// https://www.kernel.org/doc/Documentation/devicetree/bindings/input/gpio-keys.txt
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compatible = "gpio-keys";
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@@ -69,6 +69,8 @@
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__overrides__ {
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// Allow overriding the GPIO number.
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gpio_pin = <&button>,"gpios:4",
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+ <&shutdown_button>,"reg:0",
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+ <&pin_state>,"reg:0",
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<&pin_state>,"brcm,pins:0";
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// Allow changing the internal pullup/down state. 0 = none, 1 = pulldown, 2 = pullup
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