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domenico
2025-06-24 14:35:53 +02:00
commit c06fb25d1f
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37
target/linux/bcm27xx/patches-6.6/950-1044-ARM-dts-Add-strict_gpiod-dtparam.patch Normal file
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@@ -0,0 +1,37 @@
From 50cba35f0ba469688a5f87c20f90e6ce4554bbcc Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.com>
Date: Fri, 19 Apr 2024 15:02:02 +0100
Subject: [PATCH 1044/1085] ARM: dts: Add strict_gpiod dtparam
Setting strict_gpiod disables the GPIO output persistence, such that
pins are returned to being inputs when they are released. Note that
this applies to the GPIO/pinctrl driver for the user-facing GPIOs,
not the SoC GPIOs on Pi 5.
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
---
arch/arm/boot/dts/broadcom/bcm270x-rpi.dtsi | 2 ++
arch/arm/boot/dts/broadcom/bcm2712-rpi.dtsi | 1 +
2 files changed, 3 insertions(+)
--- a/arch/arm/boot/dts/broadcom/bcm270x-rpi.dtsi
+++ b/arch/arm/boot/dts/broadcom/bcm270x-rpi.dtsi
@@ -110,6 +110,8 @@
cam0_sync_inverted = <&csi0>, "sync-gpios:0=", <&gpio>,
<&csi0>, "sync-gpios:4",
<&csi0>, "sync-gpios:8=0", <GPIO_ACTIVE_LOW>;
+
+ strict_gpiod = <&chosen>, "bootargs=pinctrl_bcm2835.strict_gpiod=y";
};
};
--- a/arch/arm/boot/dts/broadcom/bcm2712-rpi.dtsi
+++ b/arch/arm/boot/dts/broadcom/bcm2712-rpi.dtsi
@@ -99,6 +99,7 @@
nvmem_cust_rw = <&nvmem_cust>,"rw?";
nvmem_priv_rw = <&nvmem_priv>,"rw?";
nvmem_mac_rw = <&nvmem_mac>,"rw?";
+ strict_gpiod = <&chosen>, "bootargs=pinctrl_rp1.strict_gpiod=y";
};
};