From: Haotien Hsu Date: Mon, 11 Aug 2025 07:45:55 +0000 (+0800) Subject: dt-bindings: usb: Add wake-up support for Tegra234 XUSB host controller X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=905f0dcc38f8078f0641c5cf855f420d78f10ea7;p=thirdparty%2Fkernel%2Fstable.git dt-bindings: usb: Add wake-up support for Tegra234 XUSB host controller Populate USB wake events for Tegra234 XUSB host controller. These wake-up events are optional to maintain backward compatibility and because the USB controller does not require them for normal operation. Signed-off-by: Haotien Hsu Acked-by: Conor Dooley Signed-off-by: Thierry Reding --- diff --git a/Documentation/devicetree/bindings/usb/nvidia,tegra234-xusb.yaml b/Documentation/devicetree/bindings/usb/nvidia,tegra234-xusb.yaml index db761dcbf72af..ec0993497fbbd 100644 --- a/Documentation/devicetree/bindings/usb/nvidia,tegra234-xusb.yaml +++ b/Documentation/devicetree/bindings/usb/nvidia,tegra234-xusb.yaml @@ -32,9 +32,35 @@ properties: - const: bar2 interrupts: + minItems: 2 items: - description: xHCI host interrupt - description: mailbox interrupt + - description: USB wake event 0 + - description: USB wake event 1 + - description: USB wake event 2 + - description: USB wake event 3 + - description: USB wake event 4 + - description: USB wake event 5 + - description: USB wake event 6 + description: | + The first two interrupts are required for the USB host controller. The + remaining USB wake event interrupts are optional. Each USB wake event is + independent; it is not necessary to use all of these events on a + platform. The USB host controller can function even if no wake-up events + are defined. The USB wake event interrupts are handled by the Tegra PMC; + hence, the interrupt controller for these is the PMC and the interrupt + IDs correspond to the PMC wake event IDs. A complete list of wake event + IDs is provided below, and this information is also present in the Tegra + TRM document. + + PMC wake-up 76 for USB3 port 0 wakeup + PMC wake-up 77 for USB3 port 1 wakeup + PMC wake-up 78 for USB3 port 2 and port 3 wakeup + PMC wake-up 79 for USB2 port 0 wakeup + PMC wake-up 80 for USB2 port 1 wakeup + PMC wake-up 81 for USB2 port 2 wakeup + PMC wake-up 82 for USB2 port 3 wakeup clocks: items: @@ -127,8 +153,9 @@ examples: <0x03650000 0x10000>; reg-names = "hcd", "fpci", "bar2"; - interrupts = , - ; + interrupts-extended = <&gic GIC_SPI 163 IRQ_TYPE_LEVEL_HIGH>, + <&gic GIC_SPI 164 IRQ_TYPE_LEVEL_HIGH>, + <&pmc 76 IRQ_TYPE_LEVEL_HIGH>; clocks = <&bpmp TEGRA234_CLK_XUSB_CORE_HOST>, <&bpmp TEGRA234_CLK_XUSB_FALCON>,