linux-kernel - [PATCH 0/4] PCI: imx6: Add pci host wakeup support

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Message-Id: <20231208091355.1417292-1-sherry.sun@nxp.com>
Date:   Fri,  8 Dec 2023 17:13:51 +0800
From:   Sherry Sun <sherry.sun@....com>
To:     hongxing.zhu@....com, l.stach@...gutronix.de,
        lpieralisi@...nel.org, kw@...ux.com, robh@...nel.org,
        bhelgaas@...gle.com, krzysztof.kozlowski+dt@...aro.org,
        conor+dt@...nel.org, shawnguo@...nel.org, s.hauer@...gutronix.de,
        kernel@...gutronix.de, festevam@...il.com
Cc:     linux-imx@....com, linux-pci@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 0/4] PCI: imx6: Add pci host wakeup support

Add pci host wakeup feature for imx platforms. The host wake pin is a
standard feature in the PCIe bus specification, so we can add this
property under PCI dts node to support the host gpio wakeup feature.

Example of configuring the corresponding dts property under the PCI node:
    host-wake-gpio = <&gpio5 21 GPIO_ACTIVE_LOW>;

Sherry Sun (4):
  PCI: imx6: Add pci host wakeup support on imx platforms.
  dt-bindings: imx6q-pcie: Add host-wake-gpio property
  arm64: dts: imx8mp-evk: add host-wake-gpio property for pci bus
  arm64: dts: imx8mq-evk: add host-wake-gpio property for pci bus

 .../bindings/pci/fsl,imx6q-pcie.yaml          |  4 ++
 arch/arm64/boot/dts/freescale/imx8mp-evk.dts  |  2 +
 arch/arm64/boot/dts/freescale/imx8mq-evk.dts  |  2 +
 drivers/pci/controller/dwc/pci-imx6.c         | 69 +++++++++++++++++++
 4 files changed, 77 insertions(+)

-- 
2.34.1