From: Diogo Ivo <diogo.ivo@tecnico.ulisboa.pt>
Date: Mon, 24 Feb 2025 12:17:37 +0000 (+0000)
Subject: arm64: tegra: Define pinmuxing for gpio pads on Tegra210
X-Git-Tag: v6.15-rc1~159^2~24^2~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d6823147b071cc9bb54144e4d12b9b010a0b2e18;p=thirdparty%2Flinux.git

arm64: tegra: Define pinmuxing for gpio pads on Tegra210

As the gpio pads are capable of operating at either 1.8V or 3.3V add
both options to the pinmuxing so that the appropriate level can be set
depending on the voltage of the regulator driving the pads.

Signed-off-by: Diogo Ivo <diogo.ivo@tecnico.ulisboa.pt>
Link: https://lore.kernel.org/r/20250224-diogo-gpio_exp-v1-2-80fb84ac48c6@tecnico.ulisboa.pt
Signed-off-by: Thierry Reding <treding@nvidia.com>
---

diff --git a/arch/arm64/boot/dts/nvidia/tegra210.dtsi b/arch/arm64/boot/dts/nvidia/tegra210.dtsi
index 942e3a0f81ed7..b6c84d195c0ef 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra210.dtsi
@@ -874,6 +874,16 @@
 				pins = "sdmmc3";
 				power-source = <TEGRA_IO_PAD_VOLTAGE_3V3>;
 			};
+
+			gpio_1v8: gpio-1v8 {
+				pins = "gpio";
+				power-source = <TEGRA_IO_PAD_VOLTAGE_1V8>;
+			};
+
+			gpio_3v3: gpio-3v3 {
+				pins = "gpio";
+				power-source = <TEGRA_IO_PAD_VOLTAGE_3V3>;
+			};
 		};
 
 		powergates {