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Message-ID: <20260114103846.687338-3-pshete@nvidia.com>
Date: Wed, 14 Jan 2026 10:38:46 +0000
From: Prathamesh Shete <pshete@...dia.com>
To: <linusw@...nel.org>, <brgl@...nel.org>, <krzk+dt@...nel.org>,
<conor+dt@...nel.org>, <thierry.reding@...il.com>, <jonathanh@...dia.com>,
<robh@...nel.org>, <linux-gpio@...r.kernel.org>,
<devicetree@...r.kernel.org>, <linux-tegra@...r.kernel.org>,
<linux-kernel@...r.kernel.org>
CC: <pshete@...dia.com>
Subject: [PATCH 3/3] arm64: tegra: Add Tegra264 GPIO controllers
Add device tree nodes for MAIN, AON and UPHY GPIO controller instances.
Signed-off-by: Prathamesh Shete <pshete@...dia.com>
---
arch/arm64/boot/dts/nvidia/tegra264.dtsi | 88 ++++++++++++++++++++++++
1 file changed, 88 insertions(+)
diff --git a/arch/arm64/boot/dts/nvidia/tegra264.dtsi b/arch/arm64/boot/dts/nvidia/tegra264.dtsi
index f137565da804..8cdf1c61458a 100644
--- a/arch/arm64/boot/dts/nvidia/tegra264.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra264.dtsi
@@ -3277,6 +3277,50 @@ rtc: rtc@...0000 {
status = "disabled";
};
+ gpio_main: gpio@...0000 {
+ compatible = "nvidia,tegra264-gpio";
+ reg = <0x00 0x0c300000 0x0 0x4000>,
+ <0x00 0x0c310000 0x0 0x4000>;
+ reg-names = "security", "gpio";
+ nvidia,pmc = <&pmc>;
+ interrupts = <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 107 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 111 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 114 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 115 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 119 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 93 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ };
+
serial@...0000 {
compatible = "nvidia,tegra264-utc";
reg = <0x0 0x0c4e0000 0x0 0x8000>,
@@ -3347,6 +3391,22 @@ pmc: pmc@...0000 {
#interrupt-cells = <2>;
interrupt-controller;
};
+
+ gpio_aon: gpio@...0000 {
+ compatible = "nvidia,tegra264-gpio-aon";
+ reg = <0x0 0x0cf00000 0x0 0x10000>,
+ <0x0 0x0cf10000 0x0 0x1000>;
+ reg-names = "security", "gpio";
+ nvidia,pmc = <&pmc>;
+ interrupts = <GIC_SPI 538 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 539 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 540 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 541 IRQ_TYPE_LEVEL_HIGH>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ };
};
/* TOP_MMIO */
@@ -3726,6 +3786,34 @@ bus@...0000000 {
ranges = <0x00 0x00000000 0xa8 0x00000000 0x40 0x00000000>, /* MMIO, ECAM, prefetchable memory, I/O */
<0x80 0x00000000 0x00 0x20000000 0x00 0x40000000>; /* non-prefetchable memory (32-bit) */
+
+ gpio_uphy: gpio@...0000 {
+ compatible = "nvidia,tegra264-gpio-uphy";
+ reg = <0x00 0x08300000 0x0 0x2000>,
+ <0x00 0x08310000 0x0 0x2000>;
+ reg-names = "security", "gpio";
+ nvidia,pmc = <&pmc>;
+ interrupts = <GIC_SPI 843 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 844 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 845 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 846 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 847 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 848 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 849 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 850 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 851 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 852 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 853 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 854 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 855 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 856 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 857 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 858 IRQ_TYPE_LEVEL_HIGH>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ };
};
cpus {
--
2.25.1
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