From patchwork Tue Feb 14 11:55:49 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dipen Patel X-Patchwork-Id: 653579 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 51519C678DB for ; Tue, 14 Feb 2023 11:56:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231998AbjBNL4Q (ORCPT ); Tue, 14 Feb 2023 06:56:16 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52100 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232234AbjBNL4N (ORCPT ); Tue, 14 Feb 2023 06:56:13 -0500 Received: from NAM12-MW2-obe.outbound.protection.outlook.com (mail-mw2nam12on2058.outbound.protection.outlook.com [40.107.244.58]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 728A624133; Tue, 14 Feb 2023 03:56:11 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=hVurhpdi9m6r+TxKXGGNMXErLbq+jgVJpsl1CtM9u1dM8IZYKCUk0YSF3eJVJiDowuTPIG1pBqHdoKreO15tmkzN9KY6Jtk2wWNS4co59AFALWtn5OSPC4muyNNYoSqNThztSCr9reHV8Cs6irfMRvF7z2KkpyrWfGO7DDxqsSpCwYacIrZkQDk4KNKq1nao018RzFwgYNLJUhID6hwwqhV68o7JfplSoCyePUJKaCihc7Nbgumcaju3lQXTz1Gks4dt72J2AprrcyXI86U7013Vt9eEV2H14hMS5wWg9oMKSU2PMTLhaN1xKLjyPWn/WG9uITA7b1iNpAvNvCbI+w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=Q9tk4ARCk6AIkrPGuyN1R40IOh/PGMhlHTCbvJejsHE=; b=VELER5HsLz5tL378I3m4NFP5jIv1A7giSLARbyjav3So9mPA4a9Wr7Ltm7YG5OcdL7o9Vm+ctz1cB/Dr/OZ0slLeiaqGmnjxD0c2U3/hh0Sn8D7MUnPGuRfdcSOstczR92k3wq1GvEfGnYey2PQpd+c6dLVRGMualPRiXr9gKAfNjnxKbzFoq0Fp9Bw1ppjrKI5eloRUS+2QlZKjxuVL33wRUExbYVB3cQTyGDiVmOgt0MF7OcpMKIv2VwTF41vqOXDCcrb6kZO0h/5+dqpZ1ZVICBkxJz+3vHZNyXp5dX6bVkdqQyqXMhtYll5n9emU3K2yOC2qg6bLMMqCiFapfw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 216.228.117.160) smtp.rcpttodomain=gmail.com smtp.mailfrom=nvidia.com; dmarc=pass (p=reject sp=reject pct=100) action=none header.from=nvidia.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=Q9tk4ARCk6AIkrPGuyN1R40IOh/PGMhlHTCbvJejsHE=; b=BpqZFds7Rf761rettAJW/pBCWxzbeznqqTGRWwIuh7cDWx4BYApaq7x7stemkJhqtQimDLAHiREkytXcpyzLZM+xyyeNTDcb9YBwvqNdr1HC7RTDvfBQxImIdK3kuVfL7TQJMKO6Qd6ORwFo2DfoLYODneuN1d6PBsYYEn6sZuhLDRvLRgcU28KW5vZV2NIaPI4lnFqZtbIOM/6o3sahfK1zXw/qZIHu9umvyEslUuVtejuEWslLpTHCQkbdYsVnYDYc7CJoOfJywOmaou6jIxKpIZeXAQK48Q4AHa4DBMrRU5x/QAxhu+a3+EGX80knC4BRVOfcMjlO/DYzmuQ4pw== Received: from DS7PR05CA0074.namprd05.prod.outlook.com (2603:10b6:8:57::22) by DS7PR12MB8323.namprd12.prod.outlook.com (2603:10b6:8:ec::19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6086.24; Tue, 14 Feb 2023 11:56:09 +0000 Received: from DM6NAM11FT105.eop-nam11.prod.protection.outlook.com (2603:10b6:8:57:cafe::df) by DS7PR05CA0074.outlook.office365.com (2603:10b6:8:57::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6111.10 via Frontend Transport; Tue, 14 Feb 2023 11:56:09 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 216.228.117.160) smtp.mailfrom=nvidia.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=nvidia.com; Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 216.228.117.160 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.117.160; helo=mail.nvidia.com; pr=C Received: from mail.nvidia.com (216.228.117.160) by DM6NAM11FT105.mail.protection.outlook.com (10.13.173.164) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6086.24 via Frontend Transport; Tue, 14 Feb 2023 11:56:08 +0000 Received: from rnnvmail205.nvidia.com (10.129.68.10) by mail.nvidia.com (10.129.200.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.36; Tue, 14 Feb 2023 03:56:00 -0800 Received: from rnnvmail204.nvidia.com (10.129.68.6) by rnnvmail205.nvidia.com (10.129.68.10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.36; Tue, 14 Feb 2023 03:56:00 -0800 Received: from dipenp.nvidia.com (10.127.8.10) by mail.nvidia.com (10.129.68.6) with Microsoft SMTP Server id 15.2.986.36 via Frontend Transport; Tue, 14 Feb 2023 03:56:00 -0800 From: Dipen Patel To: , , , , , , , , , CC: Dipen Patel Subject: [PATCH V2 2/6] hte: Add Tegra234 provider Date: Tue, 14 Feb 2023 03:55:49 -0800 Message-ID: <20230214115553.10416-3-dipenp@nvidia.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230214115553.10416-1-dipenp@nvidia.com> References: <20230214115553.10416-1-dipenp@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM6NAM11FT105:EE_|DS7PR12MB8323:EE_ X-MS-Office365-Filtering-Correlation-Id: bec962f8-5d9b-4e3b-705d-08db0e8275f6 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.117.160; CTRY:US; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:mail.nvidia.com; PTR:dc6edge1.nvidia.com; CAT:NONE; SFS:(13230025)(4636009)(376002)(39860400002)(346002)(396003)(136003)(451199018)(36840700001)(46966006)(40470700004)(36756003)(356005)(921005)(40460700003)(86362001)(316002)(8676002)(70206006)(4326008)(110136005)(70586007)(478600001)(7696005)(41300700001)(8936002)(82310400005)(5660300002)(2906002)(40480700001)(36860700001)(83380400001)(7636003)(82740400003)(26005)(186003)(6666004)(107886003)(1076003)(47076005)(426003)(2616005)(336012)(2101003)(83996005); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Feb 2023 11:56:08.9273 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: bec962f8-5d9b-4e3b-705d-08db0e8275f6 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.117.160]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT105.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS7PR12MB8323 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org The Tegra234 AON GPIO instance and LIC IRQ support HTE. For the GPIO HTE support, it requires to add mapping between GPIO and HTE framework. Signed-off-by: Dipen Patel --- v2: Changed how gpio_chip could be aquired for the mapping drivers/hte/hte-tegra194-test.c | 2 +- drivers/hte/hte-tegra194.c | 153 ++++++++++++++++++++++++++++---- 2 files changed, 139 insertions(+), 16 deletions(-) diff --git a/drivers/hte/hte-tegra194-test.c b/drivers/hte/hte-tegra194-test.c index 5d776a185bd6..d79c28a80517 100644 --- a/drivers/hte/hte-tegra194-test.c +++ b/drivers/hte/hte-tegra194-test.c @@ -16,7 +16,7 @@ #include /* - * This sample HTE GPIO test driver demonstrates HTE API usage by enabling + * This sample HTE test driver demonstrates HTE API usage by enabling * hardware timestamp on gpio_in and specified LIC IRQ lines. * * Note: gpio_out and gpio_in need to be shorted externally in order for this diff --git a/drivers/hte/hte-tegra194.c b/drivers/hte/hte-tegra194.c index 49a27af22742..7f0d6e7efd34 100644 --- a/drivers/hte/hte-tegra194.c +++ b/drivers/hte/hte-tegra194.c @@ -62,6 +62,10 @@ #define NV_AON_HTE_SLICE2_IRQ_GPIO_25 25 #define NV_AON_HTE_SLICE2_IRQ_GPIO_26 26 #define NV_AON_HTE_SLICE2_IRQ_GPIO_27 27 +#define NV_AON_HTE_SLICE2_IRQ_GPIO_28 28 +#define NV_AON_HTE_SLICE2_IRQ_GPIO_29 29 +#define NV_AON_HTE_SLICE2_IRQ_GPIO_30 30 +#define NV_AON_HTE_SLICE2_IRQ_GPIO_31 31 #define HTE_TECTRL 0x0 #define HTE_TETSCH 0x4 @@ -114,6 +118,7 @@ struct tegra_hte_line_data { struct tegra_hte_data { enum tegra_hte_type type; + u32 slices; u32 map_sz; u32 sec_map_sz; const struct tegra_hte_line_mapped *map; @@ -220,18 +225,129 @@ static const struct tegra_hte_line_mapped tegra194_aon_gpio_sec_map[] = { [39] = {NV_AON_SLICE_INVALID, 0}, }; -static const struct tegra_hte_data aon_hte = { +static const struct tegra_hte_line_mapped tegra234_aon_gpio_map[] = { + /* gpio, slice, bit_index */ + /* AA port */ + [0] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_11}, + [1] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_10}, + [2] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_9}, + [3] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_8}, + [4] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_7}, + [5] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_6}, + [6] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_5}, + [7] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_4}, + /* BB port */ + [8] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_3}, + [9] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_2}, + [10] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_1}, + [11] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_0}, + /* CC port */ + [12] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_22}, + [13] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_21}, + [14] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_20}, + [15] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_19}, + [16] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_18}, + [17] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_17}, + [18] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_16}, + [19] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_15}, + /* DD port */ + [20] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_14}, + [21] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_13}, + [22] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_12}, + /* EE port */ + [23] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_31}, + [24] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_30}, + [25] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_29}, + [26] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_28}, + [27] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_27}, + [28] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_26}, + [29] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_25}, + [30] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_24}, + /* GG port */ + [31] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_23}, +}; + +static const struct tegra_hte_line_mapped tegra234_aon_gpio_sec_map[] = { + /* gpio, slice, bit_index */ + /* AA port */ + [0] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_11}, + [1] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_10}, + [2] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_9}, + [3] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_8}, + [4] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_7}, + [5] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_6}, + [6] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_5}, + [7] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_4}, + /* BB port */ + [8] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_3}, + [9] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_2}, + [10] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_1}, + [11] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_0}, + [12] = {NV_AON_SLICE_INVALID, 0}, + [13] = {NV_AON_SLICE_INVALID, 0}, + [14] = {NV_AON_SLICE_INVALID, 0}, + [15] = {NV_AON_SLICE_INVALID, 0}, + /* CC port */ + [16] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_22}, + [17] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_21}, + [18] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_20}, + [19] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_19}, + [20] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_18}, + [21] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_17}, + [22] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_16}, + [23] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_15}, + /* DD port */ + [24] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_14}, + [25] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_13}, + [26] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_12}, + [27] = {NV_AON_SLICE_INVALID, 0}, + [28] = {NV_AON_SLICE_INVALID, 0}, + [29] = {NV_AON_SLICE_INVALID, 0}, + [30] = {NV_AON_SLICE_INVALID, 0}, + [31] = {NV_AON_SLICE_INVALID, 0}, + /* EE port */ + [32] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_31}, + [33] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_30}, + [34] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_29}, + [35] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_28}, + [36] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_27}, + [37] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_26}, + [38] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_25}, + [39] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_24}, + /* GG port */ + [40] = {2, NV_AON_HTE_SLICE2_IRQ_GPIO_23}, +}; + +static const struct tegra_hte_data t194_aon_hte = { .map_sz = ARRAY_SIZE(tegra194_aon_gpio_map), .map = tegra194_aon_gpio_map, .sec_map_sz = ARRAY_SIZE(tegra194_aon_gpio_sec_map), .sec_map = tegra194_aon_gpio_sec_map, .type = HTE_TEGRA_TYPE_GPIO, + .slices = 3, }; -static const struct tegra_hte_data lic_hte = { +static const struct tegra_hte_data t234_aon_hte = { + .map_sz = ARRAY_SIZE(tegra234_aon_gpio_map), + .map = tegra234_aon_gpio_map, + .sec_map_sz = ARRAY_SIZE(tegra234_aon_gpio_sec_map), + .sec_map = tegra234_aon_gpio_sec_map, + .type = HTE_TEGRA_TYPE_GPIO, + .slices = 3, +}; + +static const struct tegra_hte_data t194_lic_hte = { .map_sz = 0, .map = NULL, .type = HTE_TEGRA_TYPE_LIC, + .slices = 11, +}; + +static const struct tegra_hte_data t234_lic_hte = { + .map_sz = 0, + .map = NULL, + .type = HTE_TEGRA_TYPE_LIC, + .slices = 17, }; static inline u32 tegra_hte_readl(struct tegra_hte_soc *hte, u32 reg) @@ -534,8 +650,10 @@ static bool tegra_hte_match_from_linedata(const struct hte_chip *chip, } static const struct of_device_id tegra_hte_of_match[] = { - { .compatible = "nvidia,tegra194-gte-lic", .data = &lic_hte}, - { .compatible = "nvidia,tegra194-gte-aon", .data = &aon_hte}, + { .compatible = "nvidia,tegra194-gte-lic", .data = &t194_lic_hte}, + { .compatible = "nvidia,tegra194-gte-aon", .data = &t194_aon_hte}, + { .compatible = "nvidia,tegra234-gte-lic", .data = &t234_lic_hte}, + { .compatible = "nvidia,tegra234-gte-aon", .data = &t234_aon_hte}, { } }; MODULE_DEVICE_TABLE(of, tegra_hte_of_match); @@ -556,9 +674,9 @@ static void tegra_gte_disable(void *data) tegra_hte_writel(gs, HTE_TECTRL, 0); } -static int tegra_get_gpiochip_from_name(struct gpio_chip *chip, void *data) +static int tegra_get_gpiochip_from_of_node(struct gpio_chip *chip, void *data) { - return !strcmp(chip->label, data); + return chip->of_node == data; } static int tegra_hte_probe(struct platform_device *pdev) @@ -569,16 +687,10 @@ static int tegra_hte_probe(struct platform_device *pdev) struct device *dev; struct tegra_hte_soc *hte_dev; struct hte_chip *gc; + struct device_node *gpio_ctrl; dev = &pdev->dev; - ret = of_property_read_u32(dev->of_node, "nvidia,slices", &slices); - if (ret != 0) { - dev_err(dev, "Could not read slices\n"); - return -EINVAL; - } - nlines = slices << 5; - hte_dev = devm_kzalloc(dev, sizeof(*hte_dev), GFP_KERNEL); if (!hte_dev) return -ENOMEM; @@ -590,6 +702,9 @@ static int tegra_hte_probe(struct platform_device *pdev) dev_set_drvdata(&pdev->dev, hte_dev); hte_dev->prov_data = of_device_get_match_data(&pdev->dev); + slices = hte_dev->prov_data->slices; + nlines = slices << 5; + hte_dev->regs = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(hte_dev->regs)) return PTR_ERR(hte_dev->regs); @@ -635,8 +750,16 @@ static int tegra_hte_probe(struct platform_device *pdev) gc->match_from_linedata = tegra_hte_match_from_linedata; - hte_dev->c = gpiochip_find("tegra194-gpio-aon", - tegra_get_gpiochip_from_name); + gpio_ctrl = of_parse_phandle(dev->of_node, + "nvidia,gpio-controller", 0); + if (!gpio_ctrl) { + dev_err(dev, "gpio controller node not found\n"); + return -ENODEV; + } + + hte_dev->c = gpiochip_find(gpio_ctrl, + tegra_get_gpiochip_from_of_node); + of_node_put(gpio_ctrl); if (!hte_dev->c) return dev_err_probe(dev, -EPROBE_DEFER, "wait for gpio controller\n");