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charset="utf-8" From: Peng Fan Add bindings for i.MX93 MU which derived from i.MX8ULP Signed-off-by: Peng Fan --- Documentation/devicetree/bindings/mailbox/fsl,mu.yaml | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/mailbox/fsl,mu.yaml b/Docume= ntation/devicetree/bindings/mailbox/fsl,mu.yaml index f865b806ae6a..713cb847cd8c 100644 --- a/Documentation/devicetree/bindings/mailbox/fsl,mu.yaml +++ b/Documentation/devicetree/bindings/mailbox/fsl,mu.yaml @@ -30,6 +30,9 @@ properties: - const: fsl,imx8-mu-scu - const: fsl,imx8-mu-seco - const: fsl,imx8ulp-mu-s4 + - items: + const: fsl,imx93-mu + const: fsl,imx8ulp-mu - items: - enum: - fsl,imx7s-mu --=20 2.25.1 From nobody Mon Jun 29 16:47:11 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D4E52C46467 for ; Mon, 7 Feb 2022 10:10:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351991AbiBGKJO (ORCPT ); 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Received: from DU0PR04MB9417.eurprd04.prod.outlook.com (2603:10a6:10:358::11) by DB7PR04MB5163.eurprd04.prod.outlook.com (2603:10a6:10:21::10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4951.18; Mon, 7 Feb 2022 09:59:33 +0000 Received: from DU0PR04MB9417.eurprd04.prod.outlook.com ([fe80::d4dc:8c9a:55d0:81d8]) by DU0PR04MB9417.eurprd04.prod.outlook.com ([fe80::d4dc:8c9a:55d0:81d8%3]) with mapi id 15.20.4951.018; Mon, 7 Feb 2022 09:59:33 +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, Peng Fan Subject: [PATCH 2/5] dt-bindings: mailbox: imx-mu: add i.MX93 S4 MU support Date: Mon, 7 Feb 2022 17:58:29 +0800 Message-Id: <20220207095832.1590225-3-peng.fan@oss.nxp.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220207095832.1590225-1-peng.fan@oss.nxp.com> References: <20220207095832.1590225-1-peng.fan@oss.nxp.com> Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: SG2PR03CA0090.apcprd03.prod.outlook.com (2603:1096:4:7c::18) 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: e3369905-f3ff-4668-f197-08d9ea208a76 X-MS-TrafficTypeDiagnostic: DB7PR04MB5163:EE_ X-MS-Exchange-SharedMailbox-RoutingAgent-Processed: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:1388; 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charset="utf-8" From: Peng Fan Similar to i.MX8ULP S4 MU, i.MX93 MU is dedicated for communication between Sentinel and Cortex-A cores from hardware design, it could not be reused for other purpose. However i.MX93 S4 MU use seperate tx/rx interrupt, so update interrupts and add interrupt-names property. Signed-off-by: Peng Fan --- .../devicetree/bindings/mailbox/fsl,mu.yaml | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/mailbox/fsl,mu.yaml b/Docume= ntation/devicetree/bindings/mailbox/fsl,mu.yaml index 713cb847cd8c..f99890ae1813 100644 --- a/Documentation/devicetree/bindings/mailbox/fsl,mu.yaml +++ b/Documentation/devicetree/bindings/mailbox/fsl,mu.yaml @@ -29,10 +29,11 @@ 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 - const: fsl,imx8ulp-mu + - const: fsl,imx93-mu + - const: fsl,imx8ulp-mu - items: - enum: - fsl,imx7s-mu @@ -55,7 +56,14 @@ properties: maxItems: 1 =20 interrupts: - maxItems: 1 + minItems: 1 + maxItems: 2 + + interrupt-names: + minItems: 1 + items: + - const: txirq + - const: rxirq =20 "#mbox-cells": description: | --=20 2.25.1 From nobody Mon Jun 29 16:47:11 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C7756C47084 for ; 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Received: from DU0PR04MB9417.eurprd04.prod.outlook.com (2603:10a6:10:358::11) by DB7PR04MB5163.eurprd04.prod.outlook.com (2603:10a6:10:21::10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4951.18; Mon, 7 Feb 2022 09:59:37 +0000 Received: from DU0PR04MB9417.eurprd04.prod.outlook.com ([fe80::d4dc:8c9a:55d0:81d8]) by DU0PR04MB9417.eurprd04.prod.outlook.com ([fe80::d4dc:8c9a:55d0:81d8%3]) with mapi id 15.20.4951.018; Mon, 7 Feb 2022 09:59:37 +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, Peng Fan Subject: [PATCH 3/5] mailbox: imx: extend irq to an array Date: Mon, 7 Feb 2022 17:58:30 +0800 Message-Id: <20220207095832.1590225-4-peng.fan@oss.nxp.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220207095832.1590225-1-peng.fan@oss.nxp.com> References: <20220207095832.1590225-1-peng.fan@oss.nxp.com> Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: SG2PR03CA0090.apcprd03.prod.outlook.com (2603:1096:4:7c::18) 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: 0595e584-4f5e-4807-8543-08d9ea208c8f X-MS-TrafficTypeDiagnostic: DB7PR04MB5163:EE_ X-MS-Exchange-SharedMailbox-RoutingAgent-Processed: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:227; 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charset="utf-8" From: Peng Fan To i.MX93 S401 MU, there are two interrupts: rx full and tx empty. So extend irq to an array to prepare i.MX93 S401 MU support. Signed-off-by: Peng Fan --- drivers/mailbox/imx-mailbox.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/mailbox/imx-mailbox.c b/drivers/mailbox/imx-mailbox.c index cd011ca5707e..03699843a6fd 100644 --- a/drivers/mailbox/imx-mailbox.c +++ b/drivers/mailbox/imx-mailbox.c @@ -80,7 +80,7 @@ struct imx_mu_priv { struct imx_mu_con_priv con_priv[IMX_MU_CHANS]; const struct imx_mu_dcfg *dcfg; struct clk *clk; - int irq; + int irq[IMX_MU_CHANS]; bool suspend; =20 u32 xcr[4]; @@ -551,11 +551,11 @@ static int imx_mu_startup(struct mbox_chan *chan) if (!priv->dev->pm_domain) irq_flag |=3D IRQF_NO_SUSPEND; =20 - ret =3D request_irq(priv->irq, imx_mu_isr, irq_flag, + ret =3D request_irq(priv->irq[0], imx_mu_isr, irq_flag, cp->irq_desc, chan); if (ret) { dev_err(priv->dev, - "Unable to acquire IRQ %d\n", priv->irq); + "Unable to acquire IRQ %d\n", priv->irq[0]); return ret; } =20 @@ -598,7 +598,7 @@ static void imx_mu_shutdown(struct mbox_chan *chan) break; } =20 - free_irq(priv->irq, chan); + free_irq(priv->irq[0], chan); pm_runtime_put_sync(priv->dev); } =20 @@ -762,9 +762,9 @@ static int imx_mu_probe(struct platform_device *pdev) if (IS_ERR(priv->base)) return PTR_ERR(priv->base); =20 - priv->irq =3D platform_get_irq(pdev, 0); - if (priv->irq < 0) - return priv->irq; + priv->irq[0] =3D platform_get_irq(pdev, 0); + if (priv->irq[0] < 0) + return priv->irq[0]; =20 dcfg =3D of_device_get_match_data(dev); if (!dcfg) --=20 2.25.1 From nobody Mon Jun 29 16:47:11 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B8E30C35276 for ; Mon, 7 Feb 2022 10:10:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1353527AbiBGKJz (ORCPT ); Mon, 7 Feb 2022 05:09:55 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43156 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1352085AbiBGJ7o (ORCPT ); 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charset="utf-8" From: Peng Fan i.MX93 S401 MU support two interrupts: tx empty and rx full. - introduce a new flag IMX_MU_V2_IRQ for the dual interrupt case - Add i.MX93 S401 MU cfg Signed-off-by: Peng Fan --- drivers/mailbox/imx-mailbox.c | 47 ++++++++++++++++++++++++++++------- 1 file changed, 38 insertions(+), 9 deletions(-) diff --git a/drivers/mailbox/imx-mailbox.c b/drivers/mailbox/imx-mailbox.c index 03699843a6fd..da1c6ca8bee2 100644 --- a/drivers/mailbox/imx-mailbox.c +++ b/drivers/mailbox/imx-mailbox.c @@ -28,6 +28,7 @@ #define IMX_MU_SECO_TX_TOUT (msecs_to_jiffies(3000)) #define IMX_MU_SECO_RX_TOUT (msecs_to_jiffies(3000)) =20 +/* Please not change TX & RX */ enum imx_mu_chan_type { IMX_MU_TYPE_TX, /* Tx */ IMX_MU_TYPE_RX, /* Rx */ @@ -92,6 +93,7 @@ enum imx_mu_type { IMX_MU_V1, IMX_MU_V2 =3D BIT(1), IMX_MU_V2_S4 =3D BIT(15), + IMX_MU_V2_IRQ =3D BIT(16), }; =20 struct imx_mu_dcfg { @@ -536,7 +538,8 @@ static int imx_mu_startup(struct mbox_chan *chan) { struct imx_mu_priv *priv =3D to_imx_mu_priv(chan->mbox); struct imx_mu_con_priv *cp =3D chan->con_priv; - unsigned long irq_flag =3D IRQF_SHARED; + unsigned long irq_flag =3D 0; + int irq; int ret; =20 pm_runtime_get_sync(priv->dev); @@ -551,11 +554,16 @@ static int imx_mu_startup(struct mbox_chan *chan) if (!priv->dev->pm_domain) irq_flag |=3D IRQF_NO_SUSPEND; =20 - ret =3D request_irq(priv->irq[0], imx_mu_isr, irq_flag, - cp->irq_desc, chan); + if (priv->dcfg->type & IMX_MU_V2_IRQ) { + irq =3D priv->irq[cp->type]; + } else { + irq =3D priv->irq[0]; + irq_flag |=3D IRQF_SHARED; + } + + ret =3D 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; } =20 @@ -762,14 +770,23 @@ static int imx_mu_probe(struct platform_device *pdev) if (IS_ERR(priv->base)) return PTR_ERR(priv->base); =20 - priv->irq[0] =3D platform_get_irq(pdev, 0); - if (priv->irq[0] < 0) - return priv->irq[0]; - dcfg =3D of_device_get_match_data(dev); if (!dcfg) return -EINVAL; priv->dcfg =3D dcfg; + if (priv->dcfg->type & IMX_MU_V2_IRQ) { + priv->irq[IMX_MU_TYPE_TX] =3D platform_get_irq_byname(pdev, "txirq"); + if (priv->irq[IMX_MU_TYPE_TX] < 0) + return priv->irq[IMX_MU_TYPE_TX]; + priv->irq[IMX_MU_TYPE_RX] =3D platform_get_irq_byname(pdev, "rxirq"); + if (priv->irq[IMX_MU_TYPE_RX] < 0) + return priv->irq[IMX_MU_TYPE_RX]; + } else { + priv->irq[0] =3D platform_get_irq(pdev, 0); + if (priv->irq[0] < 0) + return priv->irq[0]; + + } =20 if (priv->dcfg->type & IMX_MU_V2_S4) size =3D sizeof(struct imx_s4_rpc_msg_max); @@ -890,6 +907,17 @@ static const struct imx_mu_dcfg imx_mu_cfg_imx8ulp_s4 = =3D { .xCR =3D {0x110, 0x114, 0x120, 0x128}, }; =20 +static const struct imx_mu_dcfg imx_mu_cfg_imx93_s4 =3D { + .tx =3D imx_mu_specific_tx, + .rx =3D imx_mu_specific_rx, + .init =3D imx_mu_init_specific, + .type =3D IMX_MU_V2 | IMX_MU_V2_S4 | IMX_MU_V2_IRQ, + .xTR =3D 0x200, + .xRR =3D 0x280, + .xSR =3D {0xC, 0x118, 0x124, 0x12C}, + .xCR =3D {0x110, 0x114, 0x120, 0x128}, +}; + static const struct imx_mu_dcfg imx_mu_cfg_imx8_scu =3D { .tx =3D imx_mu_specific_tx, .rx =3D imx_mu_specific_rx, @@ -917,6 +945,7 @@ static const struct of_device_id imx_mu_dt_ids[] =3D { { .compatible =3D "fsl,imx6sx-mu", .data =3D &imx_mu_cfg_imx6sx }, { .compatible =3D "fsl,imx8ulp-mu", .data =3D &imx_mu_cfg_imx8ulp }, { .compatible =3D "fsl,imx8ulp-mu-s4", .data =3D &imx_mu_cfg_imx8ulp_s4 }, + { .compatible =3D "fsl,imx93-mu-s4", .data =3D &imx_mu_cfg_imx93_s4 }, { .compatible =3D "fsl,imx8-mu-scu", .data =3D &imx_mu_cfg_imx8_scu }, { .compatible =3D "fsl,imx8-mu-seco", .data =3D &imx_mu_cfg_imx8_seco }, { }, --=20 2.25.1 From nobody Mon Jun 29 16:47:11 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B5317C41535 for ; Mon, 7 Feb 2022 10:10:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351844AbiBGKJK (ORCPT ); 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charset="utf-8" From: Peng Fan Add NXP Copyright Add myself as author Signed-off-by: Peng Fan --- drivers/mailbox/imx-mailbox.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/mailbox/imx-mailbox.c b/drivers/mailbox/imx-mailbox.c index da1c6ca8bee2..094dc84291fc 100644 --- a/drivers/mailbox/imx-mailbox.c +++ b/drivers/mailbox/imx-mailbox.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2018 Pengutronix, Oleksij Rempel + * Copyright 2022 NXP, Peng Fan */ =20 #include @@ -1030,5 +1031,6 @@ static struct platform_driver imx_mu_driver =3D { module_platform_driver(imx_mu_driver); =20 MODULE_AUTHOR("Oleksij Rempel "); +MODULE_AUTHOR("Peng Fan "); MODULE_DESCRIPTION("Message Unit driver for i.MX"); MODULE_LICENSE("GPL v2"); --=20 2.25.1