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Mon, 28 Feb 2022 02:38:33 +0000 From: "Peng Fan (OSS)" To: jassisinghbrar@gmail.com, robh+dt@kernel.org, shawnguo@kernel.org Cc: s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, krzysztof.kozlowski@canonical.com, daniel.baluta@nxp.com, Peng Fan Subject: [PATCH V5 2/5] dt-bindings: mailbox: imx-mu: add i.MX93 S4 MU support Date: Mon, 28 Feb 2022 10:40:10 +0800 Message-Id: <20220228024013.2866386-3-peng.fan@oss.nxp.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220228024013.2866386-1-peng.fan@oss.nxp.com> References: <20220228024013.2866386-1-peng.fan@oss.nxp.com> X-ClientProxiedBy: SGAP274CA0012.SGPP274.PROD.OUTLOOK.COM (2603:1096:4:b6::24) To DU0PR04MB9417.eurprd04.prod.outlook.com (2603:10a6:10:358::11) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 2a9e320c-524e-4c42-0349-08d9fa63696f X-MS-TrafficTypeDiagnostic: PAXPR04MB8720:EE_ X-MS-Exchange-SharedMailbox-RoutingAgent-Processed: True X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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However i.MX93 S4 MU use separate tx/rx interrupt, so update interrupts and add interrupt-names property. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Peng Fan --- Hi Rob, For dual entries, I tested below with dt_binding_check and dtbs_check " + s4muap: s4muap@47520000 { + compatible = "fsl,imx93-mu-s4"; + reg = <0x47520000 0x10000>; + interrupts = , ; + interrupt-names = "tx", "rx"; + #mbox-cells = <2>; + status = "okay"; + }; + + s4muap1: s4muap@48520000 { + compatible = "fsl,imx8ulp-mu-s4"; + reg = <0x48520000 0x10000>; + interrupts = ; + interrupt-names = "tx", "rx"; + #mbox-cells = <2>; + status = "okay"; + }; " .../devicetree/bindings/mailbox/fsl,mu.yaml | 28 ++++++++++++++++++- 1 file changed, 27 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/mailbox/fsl,mu.yaml b/Documentation/devicetree/bindings/mailbox/fsl,mu.yaml index 6d056d5e16bf..82ce0280add9 100644 --- a/Documentation/devicetree/bindings/mailbox/fsl,mu.yaml +++ b/Documentation/devicetree/bindings/mailbox/fsl,mu.yaml @@ -29,6 +29,7 @@ properties: - const: fsl,imx8ulp-mu - const: fsl,imx8-mu-scu - const: fsl,imx8-mu-seco + - const: fsl,imx93-mu-s4 - const: fsl,imx8ulp-mu-s4 - items: - const: fsl,imx93-mu @@ -55,7 +56,14 @@ properties: maxItems: 1 interrupts: - maxItems: 1 + minItems: 1 + maxItems: 2 + + interrupt-names: + minItems: 1 + items: + - const: tx + - const: rx "#mbox-cells": description: | @@ -90,6 +98,24 @@ required: - interrupts - "#mbox-cells" +allOf: + - if: + properties: + compatible: + enum: + - fsl,imx93-mu-s4 + then: + properties: + interrupt-names: + minItems: 2 + interrupts: + minItems: 2 + + else: + properties: + interrupts: + maxItems: 1 + additionalProperties: false examples: From patchwork Mon Feb 28 02:40:12 2022 Content-Type: text/plain; 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Mon, 28 Feb 2022 02:38:41 +0000 From: "Peng Fan (OSS)" To: jassisinghbrar@gmail.com, robh+dt@kernel.org, shawnguo@kernel.org Cc: s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, krzysztof.kozlowski@canonical.com, daniel.baluta@nxp.com, Peng Fan Subject: [PATCH V5 4/5] mailbox: imx: support dual interrupts Date: Mon, 28 Feb 2022 10:40:12 +0800 Message-Id: <20220228024013.2866386-5-peng.fan@oss.nxp.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220228024013.2866386-1-peng.fan@oss.nxp.com> References: <20220228024013.2866386-1-peng.fan@oss.nxp.com> X-ClientProxiedBy: SGAP274CA0012.SGPP274.PROD.OUTLOOK.COM (2603:1096:4:b6::24) To DU0PR04MB9417.eurprd04.prod.outlook.com (2603:10a6:10:358::11) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 95aabe1e-f5eb-4950-aad9-08d9fa636e38 X-MS-TrafficTypeDiagnostic: PAXPR04MB8720:EE_ X-MS-Exchange-SharedMailbox-RoutingAgent-Processed: True X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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struct imx_mu_dcfg { @@ -536,7 +539,8 @@ static int imx_mu_startup(struct mbox_chan *chan) { struct imx_mu_priv *priv = to_imx_mu_priv(chan->mbox); struct imx_mu_con_priv *cp = chan->con_priv; - unsigned long irq_flag = IRQF_SHARED; + unsigned long irq_flag = 0; + int irq; int ret; pm_runtime_get_sync(priv->dev); @@ -551,11 +555,16 @@ static int imx_mu_startup(struct mbox_chan *chan) if (!priv->dev->pm_domain) irq_flag |= IRQF_NO_SUSPEND; - ret = request_irq(priv->irq[0], imx_mu_isr, irq_flag, - cp->irq_desc, chan); + if (priv->dcfg->type & IMX_MU_V2_IRQ) { + irq = priv->irq[cp->type]; + } else { + irq = priv->irq[0]; + irq_flag |= IRQF_SHARED; + } + + ret = request_irq(irq, imx_mu_isr, irq_flag, cp->irq_desc, chan); if (ret) { - dev_err(priv->dev, - "Unable to acquire IRQ %d\n", priv->irq[0]); + dev_err(priv->dev, "Unable to acquire IRQ %d\n", irq); return ret; } @@ -762,14 +771,23 @@ static int imx_mu_probe(struct platform_device *pdev) if (IS_ERR(priv->base)) return PTR_ERR(priv->base); - priv->irq[0] = platform_get_irq(pdev, 0); - if (priv->irq[0] < 0) - return priv->irq[0]; - dcfg = of_device_get_match_data(dev); if (!dcfg) return -EINVAL; priv->dcfg = dcfg; + if (priv->dcfg->type & IMX_MU_V2_IRQ) { + priv->irq[IMX_MU_TYPE_TX] = platform_get_irq_byname(pdev, "tx"); + if (priv->irq[IMX_MU_TYPE_TX] < 0) + return priv->irq[IMX_MU_TYPE_TX]; + priv->irq[IMX_MU_TYPE_RX] = platform_get_irq_byname(pdev, "rx"); + if (priv->irq[IMX_MU_TYPE_RX] < 0) + return priv->irq[IMX_MU_TYPE_RX]; + } else { + priv->irq[0] = platform_get_irq(pdev, 0); + if (priv->irq[0] < 0) + return priv->irq[0]; + + } if (priv->dcfg->type & IMX_MU_V2_S4) size = sizeof(struct imx_s4_rpc_msg_max); @@ -1001,5 +1019,6 @@ static struct platform_driver imx_mu_driver = { module_platform_driver(imx_mu_driver); MODULE_AUTHOR("Oleksij Rempel "); +MODULE_AUTHOR("Peng Fan "); MODULE_DESCRIPTION("Message Unit driver for i.MX"); MODULE_LICENSE("GPL v2");