[PATCH v2 3/3] arm64: tegra: Add Tegra264 GPIO controllers
From: Prathamesh Shete <hidden>
Date: 2026-01-23 09:51:54
Also in:
linux-gpio, linux-tegra, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
Add device tree nodes for MAIN, AON and UPHY GPIO controller instances. Signed-off-by: Prathamesh Shete <redacted> Reviewed-by: Jon Hunter <jonathanh@nvidia.com> --- Changes in v2: * Update Tegra264 GPIO nodes to use “wakeup-parent”. --- 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..cf4de2c517fa 100644
--- a/arch/arm64/boot/dts/nvidia/tegra264.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra264.dtsi@@ -3277,6 +3277,50 @@ status = "disabled"; }; + gpio_main: gpio@c300000 { + compatible = "nvidia,tegra264-gpio"; + reg = <0x00 0x0c300000 0x0 0x4000>, + <0x00 0x0c310000 0x0 0x4000>; + reg-names = "security", "gpio"; + wakeup-parent = <&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@c4e0000 { compatible = "nvidia,tegra264-utc"; reg = <0x0 0x0c4e0000 0x0 0x8000>,
@@ -3347,6 +3391,22 @@ #interrupt-cells = <2>; interrupt-controller; }; + + gpio_aon: gpio@cf00000 { + compatible = "nvidia,tegra264-gpio-aon"; + reg = <0x0 0x0cf00000 0x0 0x10000>, + <0x0 0x0cf10000 0x0 0x1000>; + reg-names = "security", "gpio"; + wakeup-parent = <&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 @@ 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@8300000 { + compatible = "nvidia,tegra264-gpio-uphy"; + reg = <0x00 0x08300000 0x0 0x2000>, + <0x00 0x08310000 0x0 0x2000>; + reg-names = "security", "gpio"; + wakeup-parent = <&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 {
--
2.17.1