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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 21558C433F5 for ; Tue, 3 May 2022 09:40:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230204AbiECJnb (ORCPT ); Tue, 3 May 2022 05:43:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52832 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233567AbiECJmq (ORCPT ); Tue, 3 May 2022 05:42:46 -0400 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 74F2136B7F; Tue, 3 May 2022 02:39:10 -0700 (PDT) X-UUID: f18759cc788548d3bd6e3dc21c5e4cc4-20220503 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.4,REQID:d55ef9ea-e866-4913-a44c-2733b4b1a72d,OB:0,LO B:0,IP:0,URL:8,TC:0,Content:-20,EDM:0,RT:0,SF:0,FILE:0,RULE:Release_Ham,AC TION:release,TS:-12 X-CID-META: VersionHash:faefae9,CLOUDID:9ae4872f-6199-437e-8ab4-9920b4bc5b76,C OID:IGNORED,Recheck:0,SF:nil,TC:nil,Content:0,EDM:-3,File:nil,QS:0,BEC:nil X-UUID: f18759cc788548d3bd6e3dc21c5e4cc4-20220503 Received: from mtkexhb01.mediatek.inc [(172.21.101.102)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1201441998; Tue, 03 May 2022 17:39:01 +0800 Received: from mtkmbs07n1.mediatek.inc (172.21.101.16) by mtkmbs11n2.mediatek.inc (172.21.101.187) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.3; Tue, 3 May 2022 17:39:00 +0800 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 3 May 2022 17:38:59 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.3 via Frontend Transport; Tue, 3 May 2022 17:38:59 +0800 From: Rex-BC Chen To: , , , , CC: , , , , , , , , , , , Rex-BC Chen Subject: [PATCH v6 10/16] clk: mediatek: reset: Add new register reset function with device Date: Tue, 3 May 2022 17:38:50 +0800 Message-ID: <20220503093856.22250-11-rex-bc.chen@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220503093856.22250-1-rex-bc.chen@mediatek.com> References: <20220503093856.22250-1-rex-bc.chen@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Using device to register reset controller is a better implementation in current drivers. Howerver, some clock drviers of MediaTek only provide device_node. Therefore, we still remain the register reset function with device_node and add a new function with device to register reset controller. Signed-off-by: Rex-BC Chen Reviewed-by: AngeloGioacchino Del Regno --- drivers/clk/mediatek/clk-mt2701-eth.c | 2 +- drivers/clk/mediatek/clk-mt2701-g3d.c | 2 +- drivers/clk/mediatek/clk-mt2701-hif.c | 2 +- drivers/clk/mediatek/clk-mt2701.c | 4 +- drivers/clk/mediatek/clk-mt2712.c | 4 +- drivers/clk/mediatek/clk-mt7622-eth.c | 2 +- drivers/clk/mediatek/clk-mt7622-hif.c | 4 +- drivers/clk/mediatek/clk-mt7622.c | 4 +- drivers/clk/mediatek/clk-mt7629-eth.c | 2 +- drivers/clk/mediatek/clk-mt7629-hif.c | 4 +- drivers/clk/mediatek/clk-mt8183.c | 2 +- drivers/clk/mediatek/reset.c | 60 +++++++++++++++++++++++++++ drivers/clk/mediatek/reset.h | 10 +++++ 13 files changed, 86 insertions(+), 16 deletions(-) diff --git a/drivers/clk/mediatek/clk-mt2701-eth.c b/drivers/clk/mediatek/clk-mt2701-eth.c index 0ae4bce3bb37..38fd15c8f6f6 100644 --- a/drivers/clk/mediatek/clk-mt2701-eth.c +++ b/drivers/clk/mediatek/clk-mt2701-eth.c @@ -66,7 +66,7 @@ static int clk_mt2701_eth_probe(struct platform_device *pdev) "could not register clock provider: %s: %d\n", pdev->name, r); - mtk_register_reset_controller(node, &clk_rst_desc); + mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc); return r; } diff --git a/drivers/clk/mediatek/clk-mt2701-g3d.c b/drivers/clk/mediatek/clk-mt2701-g3d.c index 8d2053517ddc..d5ff16e02d0e 100644 --- a/drivers/clk/mediatek/clk-mt2701-g3d.c +++ b/drivers/clk/mediatek/clk-mt2701-g3d.c @@ -60,7 +60,7 @@ static int clk_mt2701_g3dsys_init(struct platform_device *pdev) "could not register clock provider: %s: %d\n", pdev->name, r); - mtk_register_reset_controller(node, &clk_rst_desc); + mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc); return r; } diff --git a/drivers/clk/mediatek/clk-mt2701-hif.c b/drivers/clk/mediatek/clk-mt2701-hif.c index e40865a6f45e..b642109e7fa8 100644 --- a/drivers/clk/mediatek/clk-mt2701-hif.c +++ b/drivers/clk/mediatek/clk-mt2701-hif.c @@ -65,7 +65,7 @@ static int clk_mt2701_hif_probe(struct platform_device *pdev) return r; } - mtk_register_reset_controller(node, &clk_rst_desc); + mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc); return 0; } diff --git a/drivers/clk/mediatek/clk-mt2701.c b/drivers/clk/mediatek/clk-mt2701.c index 572d62f76e96..1c3afa1fdfde 100644 --- a/drivers/clk/mediatek/clk-mt2701.c +++ b/drivers/clk/mediatek/clk-mt2701.c @@ -803,7 +803,7 @@ static int mtk_infrasys_init(struct platform_device *pdev) if (r) return r; - mtk_register_reset_controller(node, &clk_rst_desc[0]); + mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc[0]); return 0; } @@ -926,7 +926,7 @@ static int mtk_pericfg_init(struct platform_device *pdev) if (r) return r; - mtk_register_reset_controller(node, &clk_rst_desc[1]); + mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc[1]); return 0; } diff --git a/drivers/clk/mediatek/clk-mt2712.c b/drivers/clk/mediatek/clk-mt2712.c index 9eb8866ec77a..a01e5d53e68d 100644 --- a/drivers/clk/mediatek/clk-mt2712.c +++ b/drivers/clk/mediatek/clk-mt2712.c @@ -1379,7 +1379,7 @@ static int clk_mt2712_infra_probe(struct platform_device *pdev) pr_err("%s(): could not register clock provider: %d\n", __func__, r); - mtk_register_reset_controller(node, &clk_rst_desc[0]); + mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc[0]); return r; } @@ -1401,7 +1401,7 @@ static int clk_mt2712_peri_probe(struct platform_device *pdev) pr_err("%s(): could not register clock provider: %d\n", __func__, r); - mtk_register_reset_controller(node, &clk_rst_desc[1]); + mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc[1]); return r; } diff --git a/drivers/clk/mediatek/clk-mt7622-eth.c b/drivers/clk/mediatek/clk-mt7622-eth.c index b58fe61a8443..ecaf0717947d 100644 --- a/drivers/clk/mediatek/clk-mt7622-eth.c +++ b/drivers/clk/mediatek/clk-mt7622-eth.c @@ -90,7 +90,7 @@ static int clk_mt7622_ethsys_init(struct platform_device *pdev) "could not register clock provider: %s: %d\n", pdev->name, r); - mtk_register_reset_controller(node, &clk_rst_desc); + mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc); return r; } diff --git a/drivers/clk/mediatek/clk-mt7622-hif.c b/drivers/clk/mediatek/clk-mt7622-hif.c index 1ee79d4837a4..98aac2b5b504 100644 --- a/drivers/clk/mediatek/clk-mt7622-hif.c +++ b/drivers/clk/mediatek/clk-mt7622-hif.c @@ -101,7 +101,7 @@ static int clk_mt7622_ssusbsys_init(struct platform_device *pdev) "could not register clock provider: %s: %d\n", pdev->name, r); - mtk_register_reset_controller(node, &clk_rst_desc); + mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc); return r; } @@ -123,7 +123,7 @@ static int clk_mt7622_pciesys_init(struct platform_device *pdev) "could not register clock provider: %s: %d\n", pdev->name, r); - mtk_register_reset_controller(node, &clk_rst_desc); + mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc); return r; } diff --git a/drivers/clk/mediatek/clk-mt7622.c b/drivers/clk/mediatek/clk-mt7622.c index 8ebd66dcb946..110ab6ced22c 100644 --- a/drivers/clk/mediatek/clk-mt7622.c +++ b/drivers/clk/mediatek/clk-mt7622.c @@ -681,7 +681,7 @@ static int mtk_infrasys_init(struct platform_device *pdev) if (r) return r; - mtk_register_reset_controller(node, &clk_rst_desc[0]); + mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc[0]); return 0; } @@ -732,7 +732,7 @@ static int mtk_pericfg_init(struct platform_device *pdev) clk_prepare_enable(clk_data->clks[CLK_PERI_UART0_PD]); - mtk_register_reset_controller(node, &clk_rst_desc[1]); + mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc[1]); return 0; } diff --git a/drivers/clk/mediatek/clk-mt7629-eth.c b/drivers/clk/mediatek/clk-mt7629-eth.c index 56ff7c1f6ec1..69b9682f9ceb 100644 --- a/drivers/clk/mediatek/clk-mt7629-eth.c +++ b/drivers/clk/mediatek/clk-mt7629-eth.c @@ -100,7 +100,7 @@ static int clk_mt7629_ethsys_init(struct platform_device *pdev) "could not register clock provider: %s: %d\n", pdev->name, r); - mtk_register_reset_controller(node, &clk_rst_desc); + mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc); return r; } diff --git a/drivers/clk/mediatek/clk-mt7629-hif.c b/drivers/clk/mediatek/clk-mt7629-hif.c index fc12110b04fc..9b80b771a62b 100644 --- a/drivers/clk/mediatek/clk-mt7629-hif.c +++ b/drivers/clk/mediatek/clk-mt7629-hif.c @@ -96,7 +96,7 @@ static int clk_mt7629_ssusbsys_init(struct platform_device *pdev) "could not register clock provider: %s: %d\n", pdev->name, r); - mtk_register_reset_controller(node, &clk_rst_desc); + mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc); return r; } @@ -118,7 +118,7 @@ static int clk_mt7629_pciesys_init(struct platform_device *pdev) "could not register clock provider: %s: %d\n", pdev->name, r); - mtk_register_reset_controller(node, &clk_rst_desc); + mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc); return r; } diff --git a/drivers/clk/mediatek/clk-mt8183.c b/drivers/clk/mediatek/clk-mt8183.c index de4ba5e055ca..c7d5ffacbd1d 100644 --- a/drivers/clk/mediatek/clk-mt8183.c +++ b/drivers/clk/mediatek/clk-mt8183.c @@ -1255,7 +1255,7 @@ static int clk_mt8183_infra_probe(struct platform_device *pdev) return r; } - mtk_register_reset_controller(node, &clk_rst_desc); + mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc); return r; } diff --git a/drivers/clk/mediatek/reset.c b/drivers/clk/mediatek/reset.c index b9718f0f9d16..179505549a7c 100644 --- a/drivers/clk/mediatek/reset.c +++ b/drivers/clk/mediatek/reset.c @@ -169,4 +169,64 @@ int mtk_register_reset_controller(struct device_node *np, return 0; } +int mtk_register_reset_controller_with_dev(struct device *dev, + const struct mtk_clk_rst_desc *desc) +{ + struct device_node *np = dev->of_node; + struct regmap *regmap; + const struct reset_control_ops *rcops = NULL; + struct mtk_clk_rst_data *data; + int ret; + + if (!desc) { + dev_err(dev, "mtk clock reset desc is NULL\n"); + return -EINVAL; + } + + switch (desc->version) { + case MTK_RST_SIMPLE: + rcops = &mtk_reset_ops; + break; + case MTK_RST_SET_CLR: + rcops = &mtk_reset_ops_set_clr; + break; + default: + dev_err(dev, "Unknown reset version %d\n", desc->version); + return -EINVAL; + } + + regmap = device_node_to_regmap(np); + if (IS_ERR(regmap)) { + dev_err(dev, "Cannot find regmap %pe\n", regmap); + return -EINVAL; + } + + data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + data->desc = desc; + data->regmap = regmap; + data->rcdev.owner = THIS_MODULE; + data->rcdev.ops = rcops; + data->rcdev.of_node = np; + data->rcdev.dev = dev; + + if (data->desc->rst_idx_map_nr > 0) { + data->rcdev.of_reset_n_cells = 1; + data->rcdev.nr_resets = desc->rst_idx_map_nr; + data->rcdev.of_xlate = reset_xlate; + } else { + data->rcdev.nr_resets = desc->rst_bank_nr * RST_NR_PER_BANK; + } + + ret = devm_reset_controller_register(dev, &data->rcdev); + if (ret) { + dev_err(dev, "could not register reset controller: %d\n", ret); + return ret; + } + + return 0; +} + MODULE_LICENSE("GPL"); diff --git a/drivers/clk/mediatek/reset.h b/drivers/clk/mediatek/reset.h index cc67934c69e2..34772ef74ec7 100644 --- a/drivers/clk/mediatek/reset.h +++ b/drivers/clk/mediatek/reset.h @@ -62,4 +62,14 @@ struct mtk_clk_rst_data { int mtk_register_reset_controller(struct device_node *np, const struct mtk_clk_rst_desc *desc); +/** + * mtk_register_reset_controller - Register mediatek clock reset controller with device + * @np: Pointer to device. + * @desc: Constant pointer to description of clock reset. + * + * Return: 0 on success and errorno otherwise. + */ +int mtk_register_reset_controller_with_dev(struct device *dev, + const struct mtk_clk_rst_desc *desc); + #endif /* __DRV_CLK_MTK_RESET_H */ -- 2.18.0