Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.31 as permitted sender) client-ip=23.128.96.31;
From:   Sherry Sun <sherry.sun@nxp.com>
To:     hongxing.zhu@nxp.com, l.stach@pengutronix.de,
        lpieralisi@kernel.org, kw@linux.com, robh@kernel.org,
        bhelgaas@google.com, krzysztof.kozlowski+dt@linaro.org,
        conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de,
        kernel@pengutronix.de, festevam@gmail.com
Cc:     linux-imx@nxp.com, linux-pci@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: [PATCH V2 2/4] dt-bindings: imx6q-pcie: Add wake-gpios property
Date:   Wed, 13 Dec 2023 17:28:48 +0800
Message-Id: <20231213092850.1706042-3-sherry.sun@nxp.com>
In-Reply-To: <20231213092850.1706042-1-sherry.sun@nxp.com>
References: <20231213092850.1706042-1-sherry.sun@nxp.com>
Content-Transfer-Encoding: 8bit
Content-Type: text/plain
MIME-Version: 1.0
X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1
X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?symN7C4wHgwfK/enk84dhKTU+8Df5a2UhzkpuEK9BzrL7yhU3wekhwk49EGZ?=
 =?us-ascii?Q?Ofad+hfcdnXxOK3F1xYAD7wViFiXvt8CtfP7CDpbdSpOeZcL9XBzeS6QQCOG?=
 =?us-ascii?Q?cZ96hNPbcnLEvqwnrkC8V1z/Nno2qwGhub3L48aqWW78pVi1DSzfYLvx+wSW?=
 =?us-ascii?Q?6akZhZ6aBFH6hf+kJ11OOyKcBKW0yJ9kM34s8cBsZZ61BLmGmzUkhb62dLjn?=
 =?us-ascii?Q?sS23ib0CsN4ls0imvWDSXJWDZzvTj6k3UOKXoCb71lM/V+EhBszgH5ntCrx6?=
 =?us-ascii?Q?NEwGogICwMl5eyRZnKMu80MhvC9atc7rIsYjCKoUCdOgov0DBzxWTsIz16ii?=
 =?us-ascii?Q?IPO3D7E7alRAtfHwA35wBXCQ+8/85AiXfHFq+tSTmeJCHVuHbn/B1JO4gSbQ?=
 =?us-ascii?Q?Vyx7RJliGrLDv0qsh4ugOuTZCvm3barkPiesBGzu/UuBWcFiK4UFCcdkruH6?=
 =?us-ascii?Q?nXalcHdPdaxlNlP86OSABf1YcnYBI2SQUWTXrEOGxTzQyeyiarYO85haakn3?=
 =?us-ascii?Q?GdhwrsROTwv1ZWBOm+QHYuplvAUFXyXSJuladAnUstWBK4Oja+6SWe4OIdv+?=
 =?us-ascii?Q?t9lrZm6Sz3xKRB9JR8cZgclt0zBCEeaQZBLYDe8+/ARdvvqtIuakO2ZvZwrL?=
 =?us-ascii?Q?NL1a/Ir3HT0ePkr+G6TRSK4VOcpSTd9H5mDszyhBFKBVsw4IahvgsCBa9Qi8?=
 =?us-ascii?Q?+RPSNqdKU6MJc7EQyK2GfXtsmbYmClhQFsrYE+6muXnyeELs8NdvpeHhq0qK?=
 =?us-ascii?Q?qTxrPpi1A6FKCh8bTNyWmcosiddrqRv+2ymhItmW2+1/2YtdzQG8WjTBt+bF?=
 =?us-ascii?Q?0DWAKqIhZTrzcABXk2UPLl01mKVufk/FKqSJdvgyDEDj640RR2xPyLCiMBSv?=
 =?us-ascii?Q?IhHmx6eADY5HIIZAcSSK6YmEAohGfUT+388RKpigUsxTujDi8Ap2t/RYK31z?=
 =?us-ascii?Q?2a46cvRqgPID5UjLNrttam3czPxpt+JnBhwGRaeRvBtlI0dXW+zvg4e3CK41?=
 =?us-ascii?Q?22rqUXtEagi7dRNDG9LaZiaYe2lXDyVcPhya2ARvwn2ljniG1V3Ll6V2GHQY?=
 =?us-ascii?Q?5NZgB6Pr36fN/+Yv8PEVDo31Vzr2zRIOXAihY+Ipe8yej21wT8m60LgJmksC?=
 =?us-ascii?Q?GcsZHEJcvrrHGwT7GtFvB5+pTwE+fREnXejDlHNhjSJ8f9dTEBQ6dC6kqQt7?=
 =?us-ascii?Q?3geiagYacPdxDzv4ET+cJDY1wg0sKXOxeleruYrQfdkYHDJtFoyg7cwzqcot?=
 =?us-ascii?Q?vi2RWBf8MIj37MOvX+TDtG8EEK0WiEDy0Mh/sZ/HSjRzBF2dp+/AG7sQnz+5?=
 =?us-ascii?Q?NwhEhPOFFeGhPbZT27S+sfarup3EJAiIV98RFvb7M3cQ+I/N4/RZYYHetg2i?=
 =?us-ascii?Q?kMMT/DWyX1YrrKs2scf24C+/NFglgAAqe9PdssOcPPSrFjZo/Regh5LaZJxW?=
 =?us-ascii?Q?/iNYS7/nfRxdXFhe4I13EWyZDvqiUVzfyx7BBQSxh5iaEc9ib00ViI7mTfpm?=
 =?us-ascii?Q?c4GHKGkh/E4DKyJlRhVWexhl/NNfCWa1rFm0GdKt3lGpf3qa708hUOZK0/iJ?=
 =?us-ascii?Q?GLHXMV6Atpy+paJwuYaGLCBifvTCZpDLmUnbgnYJ?=
X-OriginatorOrg: nxp.com
X-MS-Exchange-CrossTenant-Network-Message-Id: 1aa69ff6-d91c-4f4b-ed10-08dbfbbde650
X-MS-Exchange-CrossTenant-AuthSource: AS8PR04MB8404.eurprd04.prod.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Dec 2023 09:28:43.8044
 (UTC)
X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted
X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635
X-MS-Exchange-CrossTenant-MailboxType: HOSTED
X-MS-Exchange-CrossTenant-UserPrincipalName: JWbeG7hdqa/S0GbcR4O3GecotUXN+YK3CKrnrGbakInc/01xTbknhcW67RPkOzUH7FtzVzEfhrt5D+2JuECXJQ==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: PA4PR04MB7933
X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIM_SIGNED,DKIM_VALID,
	DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,
	SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable
	autolearn_force=no version=3.4.6
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on morse.vger.email
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org
X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (morse.vger.email [0.0.0.0]); Wed, 13 Dec 2023 01:29:02 -0800 (PST)

Add wake-gpios property that can be used to wakeup the host
processor.

Signed-off-by: Sherry Sun <sherry.sun@nxp.com>
Reviewed-by: Richard Zhu <hongxing.zhu@nxp.com>
---
 Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml
index 81bbb8728f0f..fba757d937e1 100644
--- a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml
+++ b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml
@@ -72,6 +72,12 @@ properties:
       L=operation state) (optional required).
     type: boolean
 
+  wake-gpios:
+    description: If present this property specifies WAKE# sideband signaling
+      to implement wakeup functionality. This is an input GPIO pin for the Root
+      Port mode here. Host drivers will wakeup the host using the IRQ
+      corresponding to the passed GPIO.
+
 required:
   - compatible
   - reg
-- 
2.34.1