From 50cba35f0ba469688a5f87c20f90e6ce4554bbcc Mon Sep 17 00:00:00 2001 From: Phil Elwell 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 --- 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", ; + + 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"; }; };