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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?+vkq23pe7SXACX8uXIveepABLqCs/DgRGClJMPn03mNgpEnYkqpVcqsIw2yV?= =?us-ascii?Q?cdmcLpKS+06Ay9zo8i+FamXdiEgEi0JQWlYfv2Ri4Jvci3CmXoYb7e894TYL?= =?us-ascii?Q?Ze/6xDkM03+ATkW0ecEX1P2nH7I0Bc1jEzrCv3+xF7gztdkITU0amo/R+ppf?= =?us-ascii?Q?Dh8VgLcRlAXUvM7hj1/V5sEnDqubPqNPvPAp/flbzkK1ZfB0yiPVICgATb5V?= =?us-ascii?Q?zXJB3pF+qepbrJt9ROgQXGEpKnB+eW5bgO0whAv3rL7Ox8LKwVYa+SuIoNsl?= =?us-ascii?Q?8xqoipXFlc+4eZ2fGMxxHuL4MHlfzphvoyISgBLXQwrpeoQkjRIcmuqIf1xV?= =?us-ascii?Q?lOSfFHOxIEN9UeuSfxODPIjYbOs0uAguVoQspfKvxn/iqbqzCHWLYNf6X3pA?= =?us-ascii?Q?2kOWAoOMV9KQJ3oPUZwea04A9jAcD6eBs/y6GYEaCVweg6hW6va01k5H5o2j?= =?us-ascii?Q?/HL3WZgKaGAiBZYL8s/YwWDyP6rQDJCPGKhNE9sMzASKpvp+0cgmSDQel7Yz?= =?us-ascii?Q?3nLajngEXHHFQwbztFuI8UCcmH+aezHFj0GV5gp65lkn5A7ka4Js8o2QuRyH?= =?us-ascii?Q?HVqpUkHJatYQME4gNReiAkKuX+hsZ17O9LzmzsDHCZcaTxl5eFG+aaXqT0Fh?= =?us-ascii?Q?K+qhBDX09kENA5WRa4evFG6UKwqtJMtEuTGoKfiGj/ZtNQ//J8ZjiMWQ9DI2?= =?us-ascii?Q?OBRjJhAfxa2iT89sfvEILTZ9WLdQToyHRxdSgimG6NxxzedHehVPsU0EYQxH?= =?us-ascii?Q?j/e25MRX4kvWFIuVJ9vAlVRKwEiOyNfqYZaNjqF5v1tEpcWWVrGuWlc1s0yx?= =?us-ascii?Q?0jpZPFs50rh6KksLyT7G5O931uBJjFN0ZziNmtoVS++T9xXBzVJGnrUf7Rho?= =?us-ascii?Q?Sm3A+kKMAci+7kPXhie+GW9fmlz/PKx+344WLyvQW1Gtircgg9AuC8h01WqL?= =?us-ascii?Q?p6TzzcDxpH5J/q9OvxEnMAD9OuXavFdYKh0IWFHXurfH+dXtTJq5N3fUDafU?= =?us-ascii?Q?HAPy347SYmyqjTripqd4OkfwG0/MGCARQYBNzowvHj9rcNy64ep6DUH7l7Gb?= =?us-ascii?Q?FU7x2fTyAQWdSMU8MjR4CqTcOsFWt6KDjzrb1/G1m1N0DyrcsXJBSos18ltZ?= =?us-ascii?Q?NGBVXKS76dqQpgaW62SU7SqbgsYFCTq78W6qbUkbeuzhq9jQMPX73vTzrHoJ?= =?us-ascii?Q?7QvO+1m27w1PlKKjEnoM+NuuBnMuL0vxiQysxPB8DBzQ5+tfFB2/wiQiGjJb?= =?us-ascii?Q?nNbx1UpAbNymEqhwC2cahUeGgS/76A9Eo4B58fgXCTpstVDIEC+yB21US0rQ?= =?us-ascii?Q?zgz3w/7I9ksmCfxGG1GquhOIarvOzzFydGFyBq/d4zt1pcgybIgLAFaNh1kH?= =?us-ascii?Q?x+b8iRXFerr+nsfNLz/sV5qYTRJKJYxNSGtK9JyMG8ZKOXyCa307iVh5ngrP?= =?us-ascii?Q?6J8mKCbwLn+gJMoBgHTFubSXIASPnuJxPDdTBiDmoQzvwE30GKpISNU907iH?= =?us-ascii?Q?gCjLI7q63WMcQ0YPNoNEwAgObT2WBTBRdCHf0h/vxfyAALZ5oS0JgTsIY4Oa?= =?us-ascii?Q?pz4Wk4fH3NcE0eaUVwyVX2zhKOTMYzfe74fakjyQ?= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: e56ebdc2-d1ce-402f-dcac-08da8403d33c X-MS-Exchange-CrossTenant-AuthSource: AM7PR04MB7046.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 Aug 2022 06:01:59.1970 (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: Log8xVufg1mYyl+oKS3DOwN5wIAPwjIZ6N7lPdq1RYkCpZ5g3Hix5GB5dvVRjF0dYNNxLgrhvP3x+RrJsq/L7w== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB7PR04MB4604 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, This series aims to add Freescale i.MX8qxp pixel link MSI bus support by using the existing simple-pm-bus driver. A power domain and two input clocks need to be enabled before the MSI bus accesses it's child devices, which matches what a simple power-managed bus is(See simple-pm-bus.yaml). Patch 1 enables/disables functional clock(s) as a bulk in the simple-pm-bus driver when the simple-pm-bus is being power managed, since the MSI bus takes the two input clocks as functional clocks. Patch 2 adds dt-bindings for the MSI bus. v3->v4: * Drop patch 1 in v3, because simple-bus/simple-mfd devices probed by the simple-pm-bus driver should not be child nodes of simple-pm-bus at all, as simple-bus/simple-mfd's child devices PM operations cannot be propagated to simple-pm-bus. Those simple-bus/simple-mfd devices needs dedicated drivers. * Drop unnecessary 'bus == NULL' check from simple_pm_bus_runtime_{suspend,resume}. for patch 1 in v4. (Geert) * Add Geert's R-b tag on patch 1 in v4. * Add child nodes in the example MSI bus node of the MSI bus dt-binding. (Krzysztof) * Resend v4 to imply this series is based on v6.0-rc1 so that there are not any dependencies for the MSI bus dt-binding. (Rob) v2->v3: * Add a pattern property to allow child nodes in the MSI bus dt-binding. (Rob) v1->v2: Address Krzysztof's comments on patch 3: * Add a select to explicitly select the MSI bus dt-binding. * List 'simple-pm-bus' explicitly as one item of compatible strings. * Require compatible and reg properties. * Put reg property just after compatible property in example. Liu Ying (2): drivers: bus: simple-pm-bus: Use clocks dt-bindings: bus: Add Freescale i.MX8qxp pixel link MSI bus binding .../bus/fsl,imx8qxp-pixel-link-msi-bus.yaml | 232 ++++++++++++++++++ drivers/bus/simple-pm-bus.c | 48 ++++ 2 files changed, 280 insertions(+) create mode 100644 Documentation/devicetree/bindings/bus/fsl,imx8qxp-pixel-link-msi-bus.yaml -- 2.37.1 From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id BE781C28D13 for ; Mon, 22 Aug 2022 06:03:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi, This series aims to add Freescale i.MX8qxp pixel link MSI bus support by using the existing simple-pm-bus driver. A power domain and two input clocks need to be enabled before the MSI bus accesses it's child devices, which matches what a simple power-managed bus is(See simple-pm-bus.yaml). Patch 1 enables/disables functional clock(s) as a bulk in the simple-pm-bus driver when the simple-pm-bus is being power managed, since the MSI bus takes the two input clocks as functional clocks. Patch 2 adds dt-bindings for the MSI bus. v3->v4: * Drop patch 1 in v3, because simple-bus/simple-mfd devices probed by the simple-pm-bus driver should not be child nodes of simple-pm-bus at all, as simple-bus/simple-mfd's child devices PM operations cannot be propagated to simple-pm-bus. Those simple-bus/simple-mfd devices needs dedicated drivers. * Drop unnecessary 'bus == NULL' check from simple_pm_bus_runtime_{suspend,resume}. for patch 1 in v4. (Geert) * Add Geert's R-b tag on patch 1 in v4. * Add child nodes in the example MSI bus node of the MSI bus dt-binding. (Krzysztof) * Resend v4 to imply this series is based on v6.0-rc1 so that there are not any dependencies for the MSI bus dt-binding. (Rob) v2->v3: * Add a pattern property to allow child nodes in the MSI bus dt-binding. (Rob) v1->v2: Address Krzysztof's comments on patch 3: * Add a select to explicitly select the MSI bus dt-binding. * List 'simple-pm-bus' explicitly as one item of compatible strings. * Require compatible and reg properties. * Put reg property just after compatible property in example. Liu Ying (2): drivers: bus: simple-pm-bus: Use clocks dt-bindings: bus: Add Freescale i.MX8qxp pixel link MSI bus binding .../bus/fsl,imx8qxp-pixel-link-msi-bus.yaml | 232 ++++++++++++++++++ drivers/bus/simple-pm-bus.c | 48 ++++ 2 files changed, 280 insertions(+) create mode 100644 Documentation/devicetree/bindings/bus/fsl,imx8qxp-pixel-link-msi-bus.yaml -- 2.37.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel