From patchwork Mon Apr 6 12:03:12 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Leonard Crestez X-Patchwork-Id: 1266833 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=nxp.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 48wq263q7Wz9sSX for ; Mon, 6 Apr 2020 22:03:42 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727909AbgDFMDk (ORCPT ); Mon, 6 Apr 2020 08:03:40 -0400 Received: from inva021.nxp.com ([92.121.34.21]:54486 "EHLO inva021.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727652AbgDFMDb (ORCPT ); Mon, 6 Apr 2020 08:03:31 -0400 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 06A1F200D2A; Mon, 6 Apr 2020 14:03:29 +0200 (CEST) Received: from inva024.eu-rdc02.nxp.com (inva024.eu-rdc02.nxp.com [134.27.226.22]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id E87DF200D28; Mon, 6 Apr 2020 14:03:28 +0200 (CEST) Received: from fsr-ub1864-112.ea.freescale.net (fsr-ub1864-112.ea.freescale.net [10.171.82.98]) by inva024.eu-rdc02.nxp.com (Postfix) with ESMTP id 82963204E6; Mon, 6 Apr 2020 14:03:27 +0200 (CEST) From: Leonard Crestez To: Georgi Djakov , Rob Herring , Chanwoo Choi Cc: Alexandre Bailon , "Rafael J. Wysocki" , Jacky Bai , Anson Huang , =?utf-8?b?QXJ0dXIgxZp3aWdvxYQ=?= , Abel Vesa , Krzysztof Kozlowski , MyungJoo Ham , Kyungmin Park , Saravana Kannan , Mark Rutland , Viresh Kumar , Shawn Guo , Dong Aisheng , Fabio Estevam , Stephen Boyd , Michael Turquette , Matthias Kaehlcke , Angus Ainslie , Martin Kepplinger , Silvano di Ninno , linux-pm@vger.kernel.org, kernel@pengutronix.de, linux-imx@nxp.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v3 7/8] interconnect: imx: Add platform driver for imx8mn Date: Mon, 6 Apr 2020 15:03:12 +0300 Message-Id: <338a5409ce88811ba6c940ba06441db3faa8c187.1586174566.git.leonard.crestez@nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: References: In-Reply-To: References: X-Virus-Scanned: ClamAV using ClamSMTP Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add a platform driver for the i.MX8MN SoC describing bus topology, based on internal documentation. Signed-off-by: Leonard Crestez --- drivers/interconnect/imx/Kconfig | 4 + drivers/interconnect/imx/Makefile | 2 + drivers/interconnect/imx/imx8mn.c | 94 +++++++++++++++++++++++ include/dt-bindings/interconnect/imx8mn.h | 41 ++++++++++ 4 files changed, 141 insertions(+) create mode 100644 drivers/interconnect/imx/imx8mn.c create mode 100644 include/dt-bindings/interconnect/imx8mn.h diff --git a/drivers/interconnect/imx/Kconfig b/drivers/interconnect/imx/Kconfig index a2e6127f25b7..be2928362bb7 100644 --- a/drivers/interconnect/imx/Kconfig +++ b/drivers/interconnect/imx/Kconfig @@ -6,8 +6,12 @@ config INTERCONNECT_IMX config INTERCONNECT_IMX8MM tristate "i.MX8MM interconnect driver" depends on INTERCONNECT_IMX +config INTERCONNECT_IMX8MN + tristate "i.MX8MN interconnect driver" + depends on INTERCONNECT_IMX + config INTERCONNECT_IMX8MQ tristate "i.MX8MQ interconnect driver" depends on INTERCONNECT_IMX diff --git a/drivers/interconnect/imx/Makefile b/drivers/interconnect/imx/Makefile index e7d7e029d6c7..21fd5233754f 100644 --- a/drivers/interconnect/imx/Makefile +++ b/drivers/interconnect/imx/Makefile @@ -1,7 +1,9 @@ imx-interconnect-objs := imx.o imx8mm-interconnect-objs := imx8mm.o imx8mq-interconnect-objs := imx8mq.o +imx8mn-interconnect-objs := imx8mn.o obj-$(CONFIG_INTERCONNECT_IMX) += imx-interconnect.o obj-$(CONFIG_INTERCONNECT_IMX8MM) += imx8mm-interconnect.o obj-$(CONFIG_INTERCONNECT_IMX8MQ) += imx8mq-interconnect.o +obj-$(CONFIG_INTERCONNECT_IMX8MN) += imx8mn-interconnect.o diff --git a/drivers/interconnect/imx/imx8mn.c b/drivers/interconnect/imx/imx8mn.c new file mode 100644 index 000000000000..ad97e55fd4e5 --- /dev/null +++ b/drivers/interconnect/imx/imx8mn.c @@ -0,0 +1,94 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Interconnect framework driver for i.MX8MN SoC + * + * Copyright (c) 2019-2020, NXP + */ + +#include +#include +#include + +#include "imx.h" + +static const struct imx_icc_node_adj_desc imx8mn_dram_adj = { + .bw_mul = 1, + .bw_div = 4, + .phandle_name = "fsl,ddrc", +}; + +static const struct imx_icc_node_adj_desc imx8mn_noc_adj = { + .bw_mul = 1, + .bw_div = 4, + .main_noc = true, +}; + +/* + * Describe bus masters, slaves and connections between them + * + * This is a simplified subset of the bus diagram, there are several other + * PL301 nics which are skipped/merged into PL301_MAIN + */ +static struct imx_icc_node_desc nodes[] = { + DEFINE_BUS_INTERCONNECT("NOC", IMX8MN_ICN_NOC, &imx8mn_noc_adj, + IMX8MN_ICS_DRAM, IMX8MN_ICN_MAIN), + + DEFINE_BUS_SLAVE("DRAM", IMX8MN_ICS_DRAM, &imx8mn_dram_adj), + DEFINE_BUS_SLAVE("OCRAM", IMX8MN_ICS_OCRAM, NULL), + DEFINE_BUS_MASTER("A53", IMX8MN_ICM_A53, IMX8MN_ICN_NOC), + + /* GPUMIX */ + DEFINE_BUS_MASTER("GPU", IMX8MN_ICM_GPU, IMX8MN_ICN_GPU), + DEFINE_BUS_INTERCONNECT("PL301_GPU", IMX8MN_ICN_GPU, NULL, IMX8MN_ICN_NOC), + + /* DISPLAYMIX */ + DEFINE_BUS_MASTER("CSI1", IMX8MN_ICM_CSI1, IMX8MN_ICN_MIPI), + DEFINE_BUS_MASTER("CSI2", IMX8MN_ICM_CSI2, IMX8MN_ICN_MIPI), + DEFINE_BUS_MASTER("ISI", IMX8MN_ICM_ISI, IMX8MN_ICN_MIPI), + DEFINE_BUS_MASTER("LCDIF", IMX8MN_ICM_LCDIF, IMX8MN_ICN_MIPI), + DEFINE_BUS_INTERCONNECT("PL301_MIPI", IMX8MN_ICN_MIPI, NULL, IMX8MN_ICN_NOC), + + /* USB goes straight to NOC */ + DEFINE_BUS_MASTER("USB", IMX8MN_ICM_USB, IMX8MN_ICN_NOC), + + /* Audio */ + DEFINE_BUS_MASTER("SDMA2", IMX8MN_ICM_SDMA2, IMX8MN_ICN_AUDIO), + DEFINE_BUS_MASTER("SDMA3", IMX8MN_ICM_SDMA3, IMX8MN_ICN_AUDIO), + DEFINE_BUS_INTERCONNECT("PL301_AUDIO", IMX8MN_ICN_AUDIO, NULL, IMX8MN_ICN_MAIN), + + /* Ethernet */ + DEFINE_BUS_MASTER("ENET", IMX8MN_ICM_ENET, IMX8MN_ICN_ENET), + DEFINE_BUS_INTERCONNECT("PL301_ENET", IMX8MN_ICN_ENET, NULL, IMX8MN_ICN_MAIN), + + /* Other */ + DEFINE_BUS_MASTER("SDMA1", IMX8MN_ICM_SDMA1, IMX8MN_ICN_MAIN), + DEFINE_BUS_MASTER("NAND", IMX8MN_ICM_NAND, IMX8MN_ICN_MAIN), + DEFINE_BUS_MASTER("USDHC1", IMX8MN_ICM_USDHC1, IMX8MN_ICN_MAIN), + DEFINE_BUS_MASTER("USDHC2", IMX8MN_ICM_USDHC2, IMX8MN_ICN_MAIN), + DEFINE_BUS_MASTER("USDHC3", IMX8MN_ICM_USDHC3, IMX8MN_ICN_MAIN), + DEFINE_BUS_INTERCONNECT("PL301_MAIN", IMX8MN_ICN_MAIN, NULL, + IMX8MN_ICN_NOC, IMX8MN_ICS_OCRAM), +}; + +static int imx8mn_icc_probe(struct platform_device *pdev) +{ + return imx_icc_register(pdev, nodes, ARRAY_SIZE(nodes)); +} + +static int imx8mn_icc_remove(struct platform_device *pdev) +{ + return imx_icc_unregister(pdev); +} + +static struct platform_driver imx8mn_icc_driver = { + .probe = imx8mn_icc_probe, + .remove = imx8mn_icc_remove, + .driver = { + .name = "imx8mn-interconnect", + }, +}; + +module_platform_driver(imx8mn_icc_driver); +MODULE_ALIAS("platform:imx8mn-interconnect"); +MODULE_AUTHOR("Leonard Crestez "); +MODULE_LICENSE("GPL v2"); diff --git a/include/dt-bindings/interconnect/imx8mn.h b/include/dt-bindings/interconnect/imx8mn.h new file mode 100644 index 000000000000..307b977100b6 --- /dev/null +++ b/include/dt-bindings/interconnect/imx8mn.h @@ -0,0 +1,41 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Interconnect framework driver for i.MX SoC + * + * Copyright (c) 2019-2020, NXP + */ + +#ifndef __DT_BINDINGS_INTERCONNECT_IMX8MN_H +#define __DT_BINDINGS_INTERCONNECT_IMX8MN_H + +#define IMX8MN_ICN_NOC 1 +#define IMX8MN_ICS_DRAM 2 +#define IMX8MN_ICS_OCRAM 3 +#define IMX8MN_ICM_A53 4 + +#define IMX8MN_ICM_GPU 5 +#define IMX8MN_ICN_GPU 6 + +#define IMX8MN_ICM_CSI1 7 +#define IMX8MN_ICM_CSI2 8 +#define IMX8MN_ICM_ISI 9 +#define IMX8MN_ICM_LCDIF 10 +#define IMX8MN_ICN_MIPI 11 + +#define IMX8MN_ICM_USB 12 + +#define IMX8MN_ICM_SDMA2 13 +#define IMX8MN_ICM_SDMA3 14 +#define IMX8MN_ICN_AUDIO 15 + +#define IMX8MN_ICN_ENET 16 +#define IMX8MN_ICM_ENET 17 + +#define IMX8MN_ICM_NAND 18 +#define IMX8MN_ICM_SDMA1 19 +#define IMX8MN_ICM_USDHC1 20 +#define IMX8MN_ICM_USDHC2 21 +#define IMX8MN_ICM_USDHC3 22 +#define IMX8MN_ICN_MAIN 23 + +#endif /* __DT_BINDINGS_INTERCONNECT_IMX8MN_H */