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charset="utf-8" From: Peng Fan i.MX8MP features same NoC/NIC as i.MX8MM/N/Q, and use two compatible strings. Signed-off-by: Peng Fan --- .../devicetree/bindings/interconnect/fsl,imx8m-noc.yaml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/interconnect/fsl,imx8m-noc.y= aml b/Documentation/devicetree/bindings/interconnect/fsl,imx8m-noc.yaml index b8204ed22dd5..0923cd28d6c6 100644 --- a/Documentation/devicetree/bindings/interconnect/fsl,imx8m-noc.yaml +++ b/Documentation/devicetree/bindings/interconnect/fsl,imx8m-noc.yaml @@ -26,16 +26,22 @@ properties: oneOf: - items: - enum: + - fsl,imx8mp-nic - fsl,imx8mn-nic - fsl,imx8mm-nic - fsl,imx8mq-nic - const: fsl,imx8m-nic - items: - enum: + - fsl,imx8mp-noc - fsl,imx8mn-noc - fsl,imx8mm-noc - fsl,imx8mq-noc - const: fsl,imx8m-noc + - items: + - const: fsl,imx8mp-noc + - const: fsl,imx8m-noc + - const: syscon - const: fsl,imx8m-nic =20 reg: --=20 2.25.1 From nobody Tue Apr 28 10:33:55 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 DE173C433EF for ; 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charset="utf-8" From: Peng Fan Add device managed bulk API to simplify driver. Signed-off-by: Peng Fan Reported-by: kernel test robot --- drivers/interconnect/bulk.c | 34 ++++++++++++++++++++++++++++++++++ include/linux/interconnect.h | 6 ++++++ 2 files changed, 40 insertions(+) diff --git a/drivers/interconnect/bulk.c b/drivers/interconnect/bulk.c index 448cc536aa79..4918844bfe0d 100644 --- a/drivers/interconnect/bulk.c +++ b/drivers/interconnect/bulk.c @@ -115,3 +115,37 @@ void icc_bulk_disable(int num_paths, const struct icc_= bulk_data *paths) icc_disable(paths[num_paths].path); } EXPORT_SYMBOL_GPL(icc_bulk_disable); + +struct icc_bulk_devres { + struct icc_bulk_data *paths; + int num_paths; +}; + +static void devm_icc_bulk_release(struct device *dev, void *res) +{ + struct icc_bulk_devres *devres =3D res; + + icc_bulk_put(devres->num_paths, devres->paths); +} + +int devm_of_icc_bulk_get(struct device *dev, int num_paths, struct icc_bul= k_data *paths) +{ + struct icc_bulk_devres *devres; + int ret; + + devres =3D devres_alloc(devm_icc_bulk_release, sizeof(*devres), GFP_KERNE= L); + if (!devres) + return -ENOMEM; + + ret =3D of_icc_bulk_get(dev, num_paths, paths); + if (!ret) { + devres->paths =3D paths; + devres->num_paths =3D num_paths; + devres_add(dev, devres); + } else { + devres_free(devres); + } + + return ret; +} +EXPORT_SYMBOL_GPL(devm_of_icc_bulk_get); diff --git a/include/linux/interconnect.h b/include/linux/interconnect.h index f685777b875e..1a5fdf049edd 100644 --- a/include/linux/interconnect.h +++ b/include/linux/interconnect.h @@ -44,6 +44,7 @@ struct icc_path *icc_get(struct device *dev, const int sr= c_id, const int dst_id); struct icc_path *of_icc_get(struct device *dev, const char *name); struct icc_path *devm_of_icc_get(struct device *dev, const char *name); +int devm_of_icc_bulk_get(struct device *dev, int num_paths, struct icc_bul= k_data *paths); struct icc_path *of_icc_get_by_index(struct device *dev, int idx); void icc_put(struct icc_path *path); int icc_enable(struct icc_path *path); @@ -116,6 +117,11 @@ static inline int of_icc_bulk_get(struct device *dev, = int num_paths, struct icc_ return 0; } =20 +int devm_of_icc_bulk_get(struct device *dev, int num_paths, struct icc_bul= k_data *paths) +{ + return 0; +} + static inline void icc_bulk_put(int num_paths, struct icc_bulk_data *paths) { } --=20 2.25.1 From nobody Tue Apr 28 10:33:55 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 AA62EC433EF for ; Wed, 1 Jun 2022 09:41:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351335AbiFAJlL (ORCPT ); Wed, 1 Jun 2022 05:41:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33970 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1351184AbiFAJkm (ORCPT ); Wed, 1 Jun 2022 05:40:42 -0400 Received: from EUR05-DB8-obe.outbound.protection.outlook.com (mail-db8eur05on2080.outbound.protection.outlook.com [40.107.20.80]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CABCF5C875; 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Wed, 1 Jun 2022 09:40:32 +0000 From: "Peng Fan (OSS)" To: djakov@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, festevam@gmail.com, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, abel.vesa@nxp.com, abailon@baylibre.com, l.stach@pengutronix.de, laurent.pinchart@ideasonboard.com, marex@denx.de, paul.elder@ideasonboard.com, Markus.Niebel@ew.tq-group.com, aford173@gmail.com Cc: kernel@pengutronix.de, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-imx@nxp.com, Peng Fan Subject: [PATCH 3/8] interconnect: imx: fix max_node_id Date: Wed, 1 Jun 2022 17:41:51 +0800 Message-Id: <20220601094156.3388454-4-peng.fan@oss.nxp.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220601094156.3388454-1-peng.fan@oss.nxp.com> References: <20220601094156.3388454-1-peng.fan@oss.nxp.com> Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: SG2PR02CA0078.apcprd02.prod.outlook.com (2603:1096:4:90::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: f6fe2b46-854c-4751-c5b6-08da43b2c515 X-MS-TrafficTypeDiagnostic: AM0PR04MB6498: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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charset="utf-8" From: Peng Fan max_node_id not equal to the ARRAY_SIZE of node array, need increase 1, otherwise xlate will fail for the last entry. Fixes: f0d8048525d7d("interconnect: Add imx core driver") Signed-off-by: Peng Fan Reviewed-by: Laurent Pinchart --- drivers/interconnect/imx/imx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/interconnect/imx/imx.c b/drivers/interconnect/imx/imx.c index 249ca25d1d55..3c074933ed0c 100644 --- a/drivers/interconnect/imx/imx.c +++ b/drivers/interconnect/imx/imx.c @@ -238,7 +238,7 @@ int imx_icc_register(struct platform_device *pdev, int ret; =20 /* icc_onecell_data is indexed by node_id, unlike nodes param */ - max_node_id =3D get_max_node_id(nodes, nodes_count); + max_node_id =3D get_max_node_id(nodes, nodes_count) + 1; data =3D devm_kzalloc(dev, struct_size(data, nodes, max_node_id), GFP_KERNEL); if (!data) --=20 2.25.1 From nobody Tue Apr 28 10:33:55 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 A4E55C43217 for ; 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charset="utf-8" From: Peng Fan When set QoS for a icc path, only set dst icc node is not enough, also need to set src icc node. Signed-off-by: Peng Fan --- drivers/interconnect/imx/imx.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/interconnect/imx/imx.c b/drivers/interconnect/imx/imx.c index 3c074933ed0c..1ba906822b7e 100644 --- a/drivers/interconnect/imx/imx.c +++ b/drivers/interconnect/imx/imx.c @@ -61,6 +61,12 @@ static int imx_icc_node_set(struct icc_node *node) =20 static int imx_icc_set(struct icc_node *src, struct icc_node *dst) { + int ret; + + ret =3D imx_icc_node_set(src); + if (ret) + return ret; + return imx_icc_node_set(dst); } =20 --=20 2.25.1 From nobody Tue Apr 28 10:33:55 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 A1CFEC433F5 for ; Wed, 1 Jun 2022 09:41:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351300AbiFAJlI (ORCPT ); Wed, 1 Jun 2022 05:41:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33970 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1351239AbiFAJkw (ORCPT ); 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charset="utf-8" From: Peng Fan Introduce imx_icc_provider as a wrapper of icc_provider to add i.MX specific information. Signed-off-by: Peng Fan --- drivers/interconnect/imx/imx.c | 24 ++++++++++++++---------- drivers/interconnect/imx/imx.h | 6 ++++++ 2 files changed, 20 insertions(+), 10 deletions(-) diff --git a/drivers/interconnect/imx/imx.c b/drivers/interconnect/imx/imx.c index 1ba906822b7e..f381697fb23e 100644 --- a/drivers/interconnect/imx/imx.c +++ b/drivers/interconnect/imx/imx.c @@ -134,9 +134,10 @@ static int imx_icc_node_init_qos(struct icc_provider *= provider, DEV_PM_QOS_MIN_FREQUENCY, 0); } =20 -static struct icc_node *imx_icc_node_add(struct icc_provider *provider, +static struct icc_node *imx_icc_node_add(struct imx_icc_provider *imx_prov= ider, const struct imx_icc_node_desc *node_desc) { + struct icc_provider *provider =3D &imx_provider->provider; struct device *dev =3D provider->dev; struct imx_icc_node *node_data; struct icc_node *node; @@ -184,10 +185,11 @@ static void imx_icc_unregister_nodes(struct icc_provi= der *provider) imx_icc_node_destroy(node); } =20 -static int imx_icc_register_nodes(struct icc_provider *provider, +static int imx_icc_register_nodes(struct imx_icc_provider *imx_provider, const struct imx_icc_node_desc *descs, int count) { + struct icc_provider *provider =3D &imx_provider->provider; struct icc_onecell_data *provider_data =3D provider->data; int ret; int i; @@ -197,7 +199,7 @@ static int imx_icc_register_nodes(struct icc_provider *= provider, const struct imx_icc_node_desc *node_desc =3D &descs[i]; size_t j; =20 - node =3D imx_icc_node_add(provider, node_desc); + node =3D imx_icc_node_add(imx_provider, node_desc); if (IS_ERR(node)) { ret =3D dev_err_probe(provider->dev, PTR_ERR(node), "failed to add %s\n", node_desc->name); @@ -239,6 +241,7 @@ int imx_icc_register(struct platform_device *pdev, { struct device *dev =3D &pdev->dev; struct icc_onecell_data *data; + struct imx_icc_provider *imx_provider; struct icc_provider *provider; int max_node_id; int ret; @@ -251,16 +254,17 @@ int imx_icc_register(struct platform_device *pdev, return -ENOMEM; data->num_nodes =3D max_node_id; =20 - provider =3D devm_kzalloc(dev, sizeof(*provider), GFP_KERNEL); - if (!provider) + imx_provider =3D devm_kzalloc(dev, sizeof(*imx_provider), GFP_KERNEL); + if (!imx_provider) return -ENOMEM; + provider =3D &imx_provider->provider; provider->set =3D imx_icc_set; provider->get_bw =3D imx_icc_get_bw; provider->aggregate =3D icc_std_aggregate; provider->xlate =3D of_icc_xlate_onecell; provider->data =3D data; provider->dev =3D dev->parent; - platform_set_drvdata(pdev, provider); + platform_set_drvdata(pdev, imx_provider); =20 ret =3D icc_provider_add(provider); if (ret) { @@ -268,7 +272,7 @@ int imx_icc_register(struct platform_device *pdev, return ret; } =20 - ret =3D imx_icc_register_nodes(provider, nodes, nodes_count); + ret =3D imx_icc_register_nodes(imx_provider, nodes, nodes_count); if (ret) goto provider_del; =20 @@ -282,11 +286,11 @@ EXPORT_SYMBOL_GPL(imx_icc_register); =20 int imx_icc_unregister(struct platform_device *pdev) { - struct icc_provider *provider =3D platform_get_drvdata(pdev); + struct imx_icc_provider *imx_provider =3D platform_get_drvdata(pdev); =20 - imx_icc_unregister_nodes(provider); + imx_icc_unregister_nodes(&imx_provider->provider); =20 - return icc_provider_del(provider); + return icc_provider_del(&imx_provider->provider); } EXPORT_SYMBOL_GPL(imx_icc_unregister); =20 diff --git a/drivers/interconnect/imx/imx.h b/drivers/interconnect/imx/imx.h index 75da51076c68..0ad2c654c222 100644 --- a/drivers/interconnect/imx/imx.h +++ b/drivers/interconnect/imx/imx.h @@ -10,10 +10,16 @@ #ifndef __DRIVERS_INTERCONNECT_IMX_H #define __DRIVERS_INTERCONNECT_IMX_H =20 +#include #include =20 #define IMX_ICC_MAX_LINKS 4 =20 +struct imx_icc_provider { + void __iomem *noc_base; + struct icc_provider provider; +}; + /* * struct imx_icc_node_adj - Describe a dynamic adjustable node */ --=20 2.25.1 From nobody Tue Apr 28 10:33:55 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 028C5C433F5 for ; Wed, 1 Jun 2022 09:41:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351205AbiFAJlQ (ORCPT ); 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Received: from DU0PR04MB9417.eurprd04.prod.outlook.com (2603:10a6:10:358::11) by HE1PR0401MB2441.eurprd04.prod.outlook.com (2603:10a6:3:7e::9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5293.19; Wed, 1 Jun 2022 09:40:50 +0000 Received: from DU0PR04MB9417.eurprd04.prod.outlook.com ([fe80::a892:e4a9:4769:13a5]) by DU0PR04MB9417.eurprd04.prod.outlook.com ([fe80::a892:e4a9:4769:13a5%9]) with mapi id 15.20.5293.019; Wed, 1 Jun 2022 09:40:50 +0000 From: "Peng Fan (OSS)" To: djakov@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, festevam@gmail.com, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, abel.vesa@nxp.com, abailon@baylibre.com, l.stach@pengutronix.de, laurent.pinchart@ideasonboard.com, marex@denx.de, paul.elder@ideasonboard.com, Markus.Niebel@ew.tq-group.com, aford173@gmail.com Cc: kernel@pengutronix.de, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-imx@nxp.com, Peng Fan Subject: [PATCH 6/8] interconnect: imx: set of_node for interconnect provider Date: Wed, 1 Jun 2022 17:41:54 +0800 Message-Id: <20220601094156.3388454-7-peng.fan@oss.nxp.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220601094156.3388454-1-peng.fan@oss.nxp.com> References: <20220601094156.3388454-1-peng.fan@oss.nxp.com> Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: SG2PR02CA0078.apcprd02.prod.outlook.com (2603:1096:4:90::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: 4ec427c9-1fb5-4d06-260d-08da43b2d037 X-MS-TrafficTypeDiagnostic: HE1PR0401MB2441: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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charset="utf-8" From: Peng Fan The provider device is created using platform_device_register_data in imx-bus driver, which not has of_node. With of_node set, it will be easy to support QoS settings. Signed-off-by: Peng Fan --- drivers/interconnect/imx/imx.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/interconnect/imx/imx.c b/drivers/interconnect/imx/imx.c index f381697fb23e..08e3a91d2543 100644 --- a/drivers/interconnect/imx/imx.c +++ b/drivers/interconnect/imx/imx.c @@ -264,6 +264,7 @@ int imx_icc_register(struct platform_device *pdev, provider->xlate =3D of_icc_xlate_onecell; provider->data =3D data; provider->dev =3D dev->parent; + provider->dev->of_node =3D dev->parent->of_node; platform_set_drvdata(pdev, imx_provider); =20 ret =3D icc_provider_add(provider); --=20 2.25.1 From nobody Tue Apr 28 10:33:55 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 03608C433EF for ; Wed, 1 Jun 2022 09:41:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351175AbiFAJl2 (ORCPT ); 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Received: from DU0PR04MB9417.eurprd04.prod.outlook.com (2603:10a6:10:358::11) by HE1PR0401MB2441.eurprd04.prod.outlook.com (2603:10a6:3:7e::9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5293.19; Wed, 1 Jun 2022 09:40:56 +0000 Received: from DU0PR04MB9417.eurprd04.prod.outlook.com ([fe80::a892:e4a9:4769:13a5]) by DU0PR04MB9417.eurprd04.prod.outlook.com ([fe80::a892:e4a9:4769:13a5%9]) with mapi id 15.20.5293.019; Wed, 1 Jun 2022 09:40:56 +0000 From: "Peng Fan (OSS)" To: djakov@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, festevam@gmail.com, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, abel.vesa@nxp.com, abailon@baylibre.com, l.stach@pengutronix.de, laurent.pinchart@ideasonboard.com, marex@denx.de, paul.elder@ideasonboard.com, Markus.Niebel@ew.tq-group.com, aford173@gmail.com Cc: kernel@pengutronix.de, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-imx@nxp.com, Peng Fan Subject: [PATCH 7/8] interconnect: imx: configure NoC mode/prioriry/ext_control Date: Wed, 1 Jun 2022 17:41:55 +0800 Message-Id: <20220601094156.3388454-8-peng.fan@oss.nxp.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220601094156.3388454-1-peng.fan@oss.nxp.com> References: <20220601094156.3388454-1-peng.fan@oss.nxp.com> Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: SG2PR02CA0078.apcprd02.prod.outlook.com (2603:1096:4:90::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: 4f952906-e616-4436-a216-08da43b2d3e0 X-MS-TrafficTypeDiagnostic: HE1PR0401MB2441: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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charset="utf-8" From: Peng Fan Introduce imx_icc_noc_setting structure to describe a master port setting Pass imx_icc_noc_setting as a parameter from specific driver Set priority level, mode, ext control in imx_icc_node_set Signed-off-by: Peng Fan --- drivers/interconnect/imx/imx.c | 39 +++++++++++++++++++++++++++---- drivers/interconnect/imx/imx.h | 19 ++++++++++++++- drivers/interconnect/imx/imx8mm.c | 2 +- drivers/interconnect/imx/imx8mn.c | 2 +- drivers/interconnect/imx/imx8mq.c | 2 +- 5 files changed, 55 insertions(+), 9 deletions(-) diff --git a/drivers/interconnect/imx/imx.c b/drivers/interconnect/imx/imx.c index 08e3a91d2543..bbb6f4b32b66 100644 --- a/drivers/interconnect/imx/imx.c +++ b/drivers/interconnect/imx/imx.c @@ -10,6 +10,7 @@ =20 #include #include +#include #include #include #include @@ -18,11 +19,17 @@ =20 #include "imx.h" =20 +#define NOC_PRIO_REG 0x8 +#define NOC_MODE_REG 0xC +#define NOC_EXT_CTL_REG 0x18 + /* private icc_node data */ struct imx_icc_node { const struct imx_icc_node_desc *desc; + const struct imx_icc_noc_setting *setting; struct device *qos_dev; struct dev_pm_qos_request qos_req; + struct imx_icc_provider *imx_provider; }; =20 static int imx_icc_get_bw(struct icc_node *node, u32 *avg, u32 *peak) @@ -37,8 +44,16 @@ static int imx_icc_node_set(struct icc_node *node) { struct device *dev =3D node->provider->dev; struct imx_icc_node *node_data =3D node->data; + void __iomem *base; u64 freq; =20 + if (node_data->setting && !node_data->setting->ignore && node->peak_bw) { + base =3D node_data->setting->reg + node_data->imx_provider->noc_base; + writel(node_data->setting->prio_level, base + NOC_PRIO_REG); + writel(node_data->setting->mode, base + NOC_MODE_REG); + writel(node_data->setting->ext_control, base + NOC_EXT_CTL_REG); + } + if (!node_data->qos_dev) return 0; =20 @@ -135,7 +150,8 @@ static int imx_icc_node_init_qos(struct icc_provider *p= rovider, } =20 static struct icc_node *imx_icc_node_add(struct imx_icc_provider *imx_prov= ider, - const struct imx_icc_node_desc *node_desc) + const struct imx_icc_node_desc *node_desc, + const struct imx_icc_noc_setting *setting) { struct icc_provider *provider =3D &imx_provider->provider; struct device *dev =3D provider->dev; @@ -164,6 +180,8 @@ static struct icc_node *imx_icc_node_add(struct imx_icc= _provider *imx_provider, node->name =3D node_desc->name; node->data =3D node_data; node_data->desc =3D node_desc; + node_data->setting =3D setting; + node_data->imx_provider =3D imx_provider; icc_node_add(node, provider); =20 if (node_desc->adj) { @@ -187,7 +205,8 @@ static void imx_icc_unregister_nodes(struct icc_provide= r *provider) =20 static int imx_icc_register_nodes(struct imx_icc_provider *imx_provider, const struct imx_icc_node_desc *descs, - int count) + int count, + const struct imx_icc_noc_setting *settings) { struct icc_provider *provider =3D &imx_provider->provider; struct icc_onecell_data *provider_data =3D provider->data; @@ -199,7 +218,10 @@ static int imx_icc_register_nodes(struct imx_icc_provi= der *imx_provider, const struct imx_icc_node_desc *node_desc =3D &descs[i]; size_t j; =20 - node =3D imx_icc_node_add(imx_provider, node_desc); + if (settings) + node =3D imx_icc_node_add(imx_provider, node_desc, &settings[node_desc-= >id]); + else + node =3D imx_icc_node_add(imx_provider, node_desc, NULL); if (IS_ERR(node)) { ret =3D dev_err_probe(provider->dev, PTR_ERR(node), "failed to add %s\n", node_desc->name); @@ -237,7 +259,8 @@ static int get_max_node_id(struct imx_icc_node_desc *no= des, int nodes_count) } =20 int imx_icc_register(struct platform_device *pdev, - struct imx_icc_node_desc *nodes, int nodes_count) + struct imx_icc_node_desc *nodes, int nodes_count, + struct imx_icc_noc_setting *settings) { struct device *dev =3D &pdev->dev; struct icc_onecell_data *data; @@ -267,13 +290,19 @@ int imx_icc_register(struct platform_device *pdev, provider->dev->of_node =3D dev->parent->of_node; platform_set_drvdata(pdev, imx_provider); =20 + if (settings) { + imx_provider->noc_base =3D devm_of_iomap(dev, provider->dev->of_node, 0,= NULL); + if (!imx_provider->noc_base) + return PTR_ERR(imx_provider->noc_base); + } + ret =3D icc_provider_add(provider); if (ret) { dev_err(dev, "error adding interconnect provider: %d\n", ret); return ret; } =20 - ret =3D imx_icc_register_nodes(imx_provider, nodes, nodes_count); + ret =3D imx_icc_register_nodes(imx_provider, nodes, nodes_count, settings= ); if (ret) goto provider_del; =20 diff --git a/drivers/interconnect/imx/imx.h b/drivers/interconnect/imx/imx.h index 0ad2c654c222..5fd650e61186 100644 --- a/drivers/interconnect/imx/imx.h +++ b/drivers/interconnect/imx/imx.h @@ -44,6 +44,22 @@ struct imx_icc_node_desc { const struct imx_icc_node_adj_desc *adj; }; =20 +/* + * struct imx_icc_noc_setting - Describe an interconnect node setting + * @ignore: indicate whether need apply this setting + * @reg: register offset inside the NoC + * @prio_level: priority level + * @mode: functional mode + * @ext_control: external input control + */ +struct imx_icc_noc_setting { + bool ignore; + u32 reg; + u32 prio_level; + u32 mode; + u32 ext_control; +}; + #define DEFINE_BUS_INTERCONNECT(_name, _id, _adj, ...) \ { \ .id =3D _id, \ @@ -61,7 +77,8 @@ struct imx_icc_node_desc { =20 int imx_icc_register(struct platform_device *pdev, struct imx_icc_node_desc *nodes, - int nodes_count); + int nodes_count, + struct imx_icc_noc_setting *noc_settings); int imx_icc_unregister(struct platform_device *pdev); =20 #endif /* __DRIVERS_INTERCONNECT_IMX_H */ diff --git a/drivers/interconnect/imx/imx8mm.c b/drivers/interconnect/imx/i= mx8mm.c index 1083490bb391..ae797412db96 100644 --- a/drivers/interconnect/imx/imx8mm.c +++ b/drivers/interconnect/imx/imx8mm.c @@ -83,7 +83,7 @@ static struct imx_icc_node_desc nodes[] =3D { =20 static int imx8mm_icc_probe(struct platform_device *pdev) { - return imx_icc_register(pdev, nodes, ARRAY_SIZE(nodes)); + return imx_icc_register(pdev, nodes, ARRAY_SIZE(nodes), NULL); } =20 static int imx8mm_icc_remove(struct platform_device *pdev) diff --git a/drivers/interconnect/imx/imx8mn.c b/drivers/interconnect/imx/i= mx8mn.c index ad97e55fd4e5..1ce94c5bdd8c 100644 --- a/drivers/interconnect/imx/imx8mn.c +++ b/drivers/interconnect/imx/imx8mn.c @@ -72,7 +72,7 @@ static struct imx_icc_node_desc nodes[] =3D { =20 static int imx8mn_icc_probe(struct platform_device *pdev) { - return imx_icc_register(pdev, nodes, ARRAY_SIZE(nodes)); + return imx_icc_register(pdev, nodes, ARRAY_SIZE(nodes), NULL); } =20 static int imx8mn_icc_remove(struct platform_device *pdev) diff --git a/drivers/interconnect/imx/imx8mq.c b/drivers/interconnect/imx/i= mx8mq.c index d7768d3c6d8a..7f00a0511c6e 100644 --- a/drivers/interconnect/imx/imx8mq.c +++ b/drivers/interconnect/imx/imx8mq.c @@ -82,7 +82,7 @@ static struct imx_icc_node_desc nodes[] =3D { =20 static int imx8mq_icc_probe(struct platform_device *pdev) { - return imx_icc_register(pdev, nodes, ARRAY_SIZE(nodes)); + return imx_icc_register(pdev, nodes, ARRAY_SIZE(nodes), NULL); } =20 static int imx8mq_icc_remove(struct platform_device *pdev) --=20 2.25.1 From nobody Tue Apr 28 10:33:55 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 6D297C433EF for ; Wed, 1 Jun 2022 09:41:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351213AbiFAJln (ORCPT ); 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charset="utf-8" From: Peng Fan Add a platform driver for the i.MX8MP SoC describing bus topology, based on internal documentation. Signed-off-by: Peng Fan --- drivers/interconnect/imx/Kconfig | 4 + drivers/interconnect/imx/Makefile | 2 + drivers/interconnect/imx/imx8mp.c | 232 ++++++++++++++++++ include/dt-bindings/interconnect/fsl,imx8mp.h | 59 +++++ 4 files changed, 297 insertions(+) create mode 100644 drivers/interconnect/imx/imx8mp.c create mode 100644 include/dt-bindings/interconnect/fsl,imx8mp.h diff --git a/drivers/interconnect/imx/Kconfig b/drivers/interconnect/imx/Kc= onfig index be2928362bb7..c772552431f5 100644 --- a/drivers/interconnect/imx/Kconfig +++ b/drivers/interconnect/imx/Kconfig @@ -15,3 +15,7 @@ config INTERCONNECT_IMX8MN config INTERCONNECT_IMX8MQ tristate "i.MX8MQ interconnect driver" depends on INTERCONNECT_IMX + +config INTERCONNECT_IMX8MP + tristate "i.MX8MP interconnect driver" + depends on INTERCONNECT_IMX diff --git a/drivers/interconnect/imx/Makefile b/drivers/interconnect/imx/M= akefile index 21fd5233754f..16d256cdeab4 100644 --- a/drivers/interconnect/imx/Makefile +++ b/drivers/interconnect/imx/Makefile @@ -2,8 +2,10 @@ imx-interconnect-objs :=3D imx.o imx8mm-interconnect-objs :=3D imx8mm.o imx8mq-interconnect-objs :=3D imx8mq.o imx8mn-interconnect-objs :=3D imx8mn.o +imx8mp-interconnect-objs :=3D imx8mp.o =20 obj-$(CONFIG_INTERCONNECT_IMX) +=3D imx-interconnect.o obj-$(CONFIG_INTERCONNECT_IMX8MM) +=3D imx8mm-interconnect.o obj-$(CONFIG_INTERCONNECT_IMX8MQ) +=3D imx8mq-interconnect.o obj-$(CONFIG_INTERCONNECT_IMX8MN) +=3D imx8mn-interconnect.o +obj-$(CONFIG_INTERCONNECT_IMX8MP) +=3D imx8mp-interconnect.o diff --git a/drivers/interconnect/imx/imx8mp.c b/drivers/interconnect/imx/i= mx8mp.c new file mode 100644 index 000000000000..f13683ac941c --- /dev/null +++ b/drivers/interconnect/imx/imx8mp.c @@ -0,0 +1,232 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Interconnect framework driver for i.MX8MP SoC + * + * Copyright 2022 NXP + * Peng Fan + */ + +#include +#include +#include +#include + +#include "imx.h" + +static const struct imx_icc_node_adj_desc imx8mp_noc_adj =3D { + .bw_mul =3D 1, + .bw_div =3D 16, + .main_noc =3D true, +}; + +static struct imx_icc_noc_setting noc_setting_nodes[] =3D { + [IMX8MP_ICM_MLMIX] =3D { + .reg =3D 0x180, + .prio_level =3D 0x80000303, + }, + [IMX8MP_ICM_DSP] =3D { + .reg =3D 0x200, + .prio_level =3D 0x80000303, + }, + [IMX8MP_ICM_SDMA2PER] =3D { + .reg =3D 0x280, + .prio_level =3D 0x80000404, + }, + [IMX8MP_ICM_SDMA2BURST] =3D { + .reg =3D 0x300, + .prio_level =3D 0x80000404, + }, + [IMX8MP_ICM_SDMA3PER] =3D { + .reg =3D 0x380, + .prio_level =3D 0x80000404, + }, + [IMX8MP_ICM_SDMA3BURST] =3D { + .reg =3D 0x400, + .prio_level =3D 0x80000404, + }, + [IMX8MP_ICM_EDMA] =3D { + .reg =3D 0x480, + .prio_level =3D 0x80000404, + }, + [IMX8MP_ICM_GPU3D] =3D { + .reg =3D 0x500, + .prio_level =3D 0x80000303, + }, + [IMX8MP_ICM_GPU2D] =3D { + .reg =3D 0x580, + .prio_level =3D 0x80000303, + }, + [IMX8MP_ICM_HRV] =3D { + .reg =3D 0x600, + .prio_level =3D 0x80000202, + .ext_control =3D 1, + }, + [IMX8MP_ICM_LCDIF_HDMI] =3D { + .reg =3D 0x680, + .prio_level =3D 0x80000202, + .ext_control =3D 1, + }, + [IMX8MP_ICM_HDCP] =3D { + .reg =3D 0x700, + .prio_level =3D 0x80000505, + }, + [IMX8MP_ICM_NOC_PCIE] =3D { + .reg =3D 0x780, + .prio_level =3D 0x80000303, + }, + [IMX8MP_ICM_USB1] =3D { + .reg =3D 0x800, + .prio_level =3D 0x80000303, + }, + [IMX8MP_ICM_USB2] =3D { + .reg =3D 0x880, + .prio_level =3D 0x80000303, + }, + [IMX8MP_ICM_PCIE] =3D { + .reg =3D 0x900, + .prio_level =3D 0x80000303, + }, + [IMX8MP_ICM_LCDIF_RD] =3D { + .reg =3D 0x980, + .prio_level =3D 0x80000202, + .ext_control =3D 1, + }, + [IMX8MP_ICM_LCDIF_WR] =3D { + .reg =3D 0xa00, + .prio_level =3D 0x80000202, + .ext_control =3D 1, + }, + [IMX8MP_ICM_ISI0] =3D { + .reg =3D 0xa80, + .prio_level =3D 0x80000202, + .ext_control =3D 1, + }, + [IMX8MP_ICM_ISI1] =3D { + .reg =3D 0xb00, + .prio_level =3D 0x80000202, + .ext_control =3D 1, + }, + [IMX8MP_ICM_ISI2] =3D { + .reg =3D 0xb80, + .prio_level =3D 0x80000202, + .ext_control =3D 1, + }, + [IMX8MP_ICM_ISP0] =3D { + .reg =3D 0xc00, + .prio_level =3D 0x80000707, + }, + [IMX8MP_ICM_ISP1] =3D { + .reg =3D 0xc80, + .prio_level =3D 0x80000707, + }, + [IMX8MP_ICM_DWE] =3D { + .reg =3D 0xd00, + .prio_level =3D 0x80000707, + }, + [IMX8MP_ICM_VPU_G1] =3D { + .reg =3D 0xd80, + .prio_level =3D 0x80000303, + }, + [IMX8MP_ICM_VPU_G2] =3D { + .reg =3D 0xe00, + .prio_level =3D 0x80000303, + }, + [IMX8MP_ICM_VPU_H1] =3D { + .reg =3D 0xe80, + .prio_level =3D 0x80000303, + }, + [IMX8MP_ICN_MEDIA] =3D { + .ignore =3D true, + }, + [IMX8MP_ICN_VIDEO] =3D { + .ignore =3D true, + }, + [IMX8MP_ICN_AUDIO] =3D { + .ignore =3D true, + }, + [IMX8MP_ICN_HDMI] =3D { + .ignore =3D true, + }, + [IMX8MP_ICN_GPU] =3D { + .ignore =3D true, + }, + [IMX8MP_ICN_HSIO] =3D { + .ignore =3D true, + }, +}; + +/* Describe bus masters, slaves and connections between them */ +static struct imx_icc_node_desc nodes[] =3D { + DEFINE_BUS_INTERCONNECT("NOC", IMX8MP_ICN_NOC, &imx8mp_noc_adj, + IMX8MP_ICS_DRAM, IMX8MP_ICN_MAIN), + + DEFINE_BUS_SLAVE("OCRAM", IMX8MP_ICS_OCRAM, NULL), + DEFINE_BUS_SLAVE("DRAM", IMX8MP_ICS_DRAM, NULL), + DEFINE_BUS_MASTER("A53", IMX8MP_ICM_A53, IMX8MP_ICN_NOC), + DEFINE_BUS_MASTER("SUPERMIX", IMX8MP_ICM_SUPERMIX, IMX8MP_ICN_NOC), + DEFINE_BUS_MASTER("GIC", IMX8MP_ICM_GIC, IMX8MP_ICN_NOC), + DEFINE_BUS_MASTER("MLMIX", IMX8MP_ICM_MLMIX, IMX8MP_ICN_NOC), + + DEFINE_BUS_INTERCONNECT("NOC_AUDIO", IMX8MP_ICN_AUDIO, NULL, IMX8MP_ICN_N= OC), + DEFINE_BUS_MASTER("DSP", IMX8MP_ICM_DSP, IMX8MP_ICN_AUDIO), + DEFINE_BUS_MASTER("SDMA2PER", IMX8MP_ICM_SDMA2PER, IMX8MP_ICN_AUDIO), + DEFINE_BUS_MASTER("SDMA2BURST", IMX8MP_ICM_SDMA2BURST, IMX8MP_ICN_AUDIO), + DEFINE_BUS_MASTER("SDMA3PER", IMX8MP_ICM_SDMA3PER, IMX8MP_ICN_AUDIO), + DEFINE_BUS_MASTER("SDMA3BURST", IMX8MP_ICM_SDMA3BURST, IMX8MP_ICN_AUDIO), + DEFINE_BUS_MASTER("EDMA", IMX8MP_ICM_EDMA, IMX8MP_ICN_AUDIO), + + DEFINE_BUS_INTERCONNECT("NOC_GPU", IMX8MP_ICN_GPU, NULL, IMX8MP_ICN_NOC), + DEFINE_BUS_MASTER("GPU 2D", IMX8MP_ICM_GPU2D, IMX8MP_ICN_GPU), + DEFINE_BUS_MASTER("GPU 3D", IMX8MP_ICM_GPU3D, IMX8MP_ICN_GPU), + + DEFINE_BUS_INTERCONNECT("NOC_HDMI", IMX8MP_ICN_HDMI, NULL, IMX8MP_ICN_NOC= ), + DEFINE_BUS_MASTER("HRV", IMX8MP_ICM_HRV, IMX8MP_ICN_HDMI), + DEFINE_BUS_MASTER("LCDIF_HDMI", IMX8MP_ICM_LCDIF_HDMI, IMX8MP_ICN_HDMI), + DEFINE_BUS_MASTER("HDCP", IMX8MP_ICM_HDCP, IMX8MP_ICN_HDMI), + + DEFINE_BUS_INTERCONNECT("NOC_HSIO", IMX8MP_ICN_HSIO, NULL, IMX8MP_ICN_NOC= ), + DEFINE_BUS_MASTER("NOC_PCIE", IMX8MP_ICM_NOC_PCIE, IMX8MP_ICN_HSIO), + DEFINE_BUS_MASTER("USB1", IMX8MP_ICM_USB1, IMX8MP_ICN_HSIO), + DEFINE_BUS_MASTER("USB2", IMX8MP_ICM_USB2, IMX8MP_ICN_HSIO), + DEFINE_BUS_MASTER("PCIE", IMX8MP_ICM_PCIE, IMX8MP_ICN_HSIO), + + DEFINE_BUS_INTERCONNECT("NOC_MEDIA", IMX8MP_ICN_MEDIA, NULL, IMX8MP_ICN_N= OC), + DEFINE_BUS_MASTER("LCDIF_RD", IMX8MP_ICM_LCDIF_RD, IMX8MP_ICN_MEDIA), + DEFINE_BUS_MASTER("LCDIF_WR", IMX8MP_ICM_LCDIF_WR, IMX8MP_ICN_MEDIA), + DEFINE_BUS_MASTER("ISI0", IMX8MP_ICM_ISI0, IMX8MP_ICN_MEDIA), + DEFINE_BUS_MASTER("ISI1", IMX8MP_ICM_ISI1, IMX8MP_ICN_MEDIA), + DEFINE_BUS_MASTER("ISI2", IMX8MP_ICM_ISI2, IMX8MP_ICN_MEDIA), + DEFINE_BUS_MASTER("ISP0", IMX8MP_ICM_ISP0, IMX8MP_ICN_MEDIA), + DEFINE_BUS_MASTER("ISP1", IMX8MP_ICM_ISP1, IMX8MP_ICN_MEDIA), + DEFINE_BUS_MASTER("DWE", IMX8MP_ICM_DWE, IMX8MP_ICN_MEDIA), + + DEFINE_BUS_INTERCONNECT("NOC_VIDEO", IMX8MP_ICN_VIDEO, NULL, IMX8MP_ICN_N= OC), + DEFINE_BUS_MASTER("VPU G1", IMX8MP_ICM_VPU_G1, IMX8MP_ICN_VIDEO), + DEFINE_BUS_MASTER("VPU G2", IMX8MP_ICM_VPU_G2, IMX8MP_ICN_VIDEO), + DEFINE_BUS_MASTER("VPU H1", IMX8MP_ICM_VPU_H1, IMX8MP_ICN_VIDEO), + DEFINE_BUS_INTERCONNECT("PL301_MAIN", IMX8MP_ICN_MAIN, NULL, + IMX8MP_ICN_NOC, IMX8MP_ICS_OCRAM), +}; + +static int imx8mp_icc_probe(struct platform_device *pdev) +{ + return imx_icc_register(pdev, nodes, ARRAY_SIZE(nodes), noc_setting_nodes= ); +} + +static int imx8mp_icc_remove(struct platform_device *pdev) +{ + return imx_icc_unregister(pdev); +} + +static struct platform_driver imx8mp_icc_driver =3D { + .probe =3D imx8mp_icc_probe, + .remove =3D imx8mp_icc_remove, + .driver =3D { + .name =3D "imx8mp-interconnect", + }, +}; + +module_platform_driver(imx8mp_icc_driver); +MODULE_AUTHOR("Peng Fan "); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:imx8mp-interconnect"); diff --git a/include/dt-bindings/interconnect/fsl,imx8mp.h b/include/dt-bin= dings/interconnect/fsl,imx8mp.h new file mode 100644 index 000000000000..732547577c76 --- /dev/null +++ b/include/dt-bindings/interconnect/fsl,imx8mp.h @@ -0,0 +1,59 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Interconnect framework driver for i.MX SoC + * + * Copyright 2022 NXP + * Peng Fan + */ + +#ifndef __DT_BINDINGS_INTERCONNECT_IMX8MP_H +#define __DT_BINDINGS_INTERCONNECT_IMX8MP_H + +#define IMX8MP_ICN_NOC 0 +#define IMX8MP_ICN_MAIN 1 +#define IMX8MP_ICS_DRAM 2 +#define IMX8MP_ICS_OCRAM 3 +#define IMX8MP_ICM_A53 4 +#define IMX8MP_ICM_SUPERMIX 5 +#define IMX8MP_ICM_GIC 6 +#define IMX8MP_ICM_MLMIX 7 + +#define IMX8MP_ICN_AUDIO 8 +#define IMX8MP_ICM_DSP 9 +#define IMX8MP_ICM_SDMA2PER 10 +#define IMX8MP_ICM_SDMA2BURST 11 +#define IMX8MP_ICM_SDMA3PER 12 +#define IMX8MP_ICM_SDMA3BURST 13 +#define IMX8MP_ICM_EDMA 14 + +#define IMX8MP_ICN_GPU 15 +#define IMX8MP_ICM_GPU2D 16 +#define IMX8MP_ICM_GPU3D 17 + +#define IMX8MP_ICN_HDMI 18 +#define IMX8MP_ICM_HRV 19 +#define IMX8MP_ICM_LCDIF_HDMI 20 +#define IMX8MP_ICM_HDCP 21 + +#define IMX8MP_ICN_HSIO 22 +#define IMX8MP_ICM_NOC_PCIE 23 +#define IMX8MP_ICM_USB1 24 +#define IMX8MP_ICM_USB2 25 +#define IMX8MP_ICM_PCIE 26 + +#define IMX8MP_ICN_MEDIA 27 +#define IMX8MP_ICM_LCDIF_RD 28 +#define IMX8MP_ICM_LCDIF_WR 29 +#define IMX8MP_ICM_ISI0 30 +#define IMX8MP_ICM_ISI1 31 +#define IMX8MP_ICM_ISI2 32 +#define IMX8MP_ICM_ISP0 33 +#define IMX8MP_ICM_ISP1 34 +#define IMX8MP_ICM_DWE 35 + +#define IMX8MP_ICN_VIDEO 36 +#define IMX8MP_ICM_VPU_G1 37 +#define IMX8MP_ICM_VPU_G2 38 +#define IMX8MP_ICM_VPU_H1 39 + +#endif /* __DT_BINDINGS_INTERCONNECT_IMX8MP_H */ --=20 2.25.1