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