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 93F71C433F5 for ; Mon, 23 May 2022 09:36:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233303AbiEWJe7 (ORCPT ); Mon, 23 May 2022 05:34:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50620 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233137AbiEWJeF (ORCPT ); Mon, 23 May 2022 05:34:05 -0400 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E19FC49F3F; Mon, 23 May 2022 02:33:56 -0700 (PDT) X-UUID: d3342bad77174c42867fa314dfab5a07-20220523 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.5,REQID:9717be68-7699-4121-ae99-ac205c52e2f4,OB:10,L OB:10,IP:0,URL:0,TC:0,Content:-5,EDM:0,RT:0,SF:95,FILE:0,RULE:Release_Ham, ACTION:release,TS:90 X-CID-INFO: VERSION:1.1.5,REQID:9717be68-7699-4121-ae99-ac205c52e2f4,OB:10,LOB :10,IP:0,URL:0,TC:0,Content:-5,EDM:0,RT:0,SF:95,FILE:0,RULE:Spam_GS981B3D, ACTION:quarantine,TS:90 X-CID-META: VersionHash:2a19b09,CLOUDID:4ff6477a-5ef6-470b-96c9-bdb8ced32786,C OID:ae5f3537fccd,Recheck:0,SF:28|17|19|48,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,QS:0,BEC:nil X-UUID: d3342bad77174c42867fa314dfab5a07-20220523 Received: from mtkmbs10n1.mediatek.inc [(172.21.101.34)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1035681914; Mon, 23 May 2022 17:33:50 +0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.15; Mon, 23 May 2022 17:33:49 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 23 May 2022 17:33:48 +0800 From: Rex-BC Chen To: , , , , CC: , , , , , , , , , , , , Rex-BC Chen Subject: [RESEND v8 06/19] clk: mediatek: reset: Revise structure to control reset register Date: Mon, 23 May 2022 17:33:33 +0800 Message-ID: <20220523093346.28493-7-rex-bc.chen@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220523093346.28493-1-rex-bc.chen@mediatek.com> References: <20220523093346.28493-1-rex-bc.chen@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org To declare the reset data easier, we add a strucure to do this instead of using many input variables to mtk_register_reset_controller(). - Add mtk_clk_rst_desc to define the reset description when registering the reset controller. - Rename "mtk_reset" to "mtk_clk_rst_data". We use it to store data of reset controller. - Document mtk_clk_rst_desc and mtk_clk_rst_data. - Modify the documentation of mtk_register_reset_controller. - Extract container_of in update functions to to_mtk_clk_rst_data(). Signed-off-by: Rex-BC Chen Reviewed-by: AngeloGioacchino Del Regno Reviewed-by: Nícolas F. R. A. Prado Tested-by: Nícolas F. R. A. Prado --- drivers/clk/mediatek/clk-mt2701-eth.c | 8 ++++++- drivers/clk/mediatek/clk-mt2701-g3d.c | 8 ++++++- drivers/clk/mediatek/clk-mt2701-hif.c | 8 ++++++- drivers/clk/mediatek/clk-mt2701.c | 19 +++++++++++++-- drivers/clk/mediatek/clk-mt2712.c | 19 +++++++++++++-- drivers/clk/mediatek/clk-mt7622-eth.c | 8 ++++++- drivers/clk/mediatek/clk-mt7622-hif.c | 10 ++++++-- drivers/clk/mediatek/clk-mt7622.c | 19 +++++++++++++-- drivers/clk/mediatek/clk-mt7629-eth.c | 8 ++++++- drivers/clk/mediatek/clk-mt7629-hif.c | 10 ++++++-- drivers/clk/mediatek/clk-mt8135.c | 19 +++++++++++++-- drivers/clk/mediatek/clk-mt8173.c | 19 +++++++++++++-- drivers/clk/mediatek/clk-mt8183.c | 9 ++++++-- drivers/clk/mediatek/reset.c | 33 +++++++++++++++++---------- drivers/clk/mediatek/reset.h | 29 +++++++++++++++++------ 15 files changed, 186 insertions(+), 40 deletions(-) diff --git a/drivers/clk/mediatek/clk-mt2701-eth.c b/drivers/clk/mediatek/clk-mt2701-eth.c index 579343e0bba6..270d15ce58bf 100644 --- a/drivers/clk/mediatek/clk-mt2701-eth.c +++ b/drivers/clk/mediatek/clk-mt2701-eth.c @@ -36,6 +36,12 @@ static const struct mtk_gate eth_clks[] = { GATE_ETH(CLK_ETHSYS_CRYPTO, "crypto_clk", "ethif_sel", 29), }; +static const struct mtk_clk_rst_desc clk_rst_desc = { + .version = MTK_RST_SIMPLE, + .rst_bank_nr = 1, + .reg_ofs = 0x34, +}; + static const struct of_device_id of_match_clk_mt2701_eth[] = { { .compatible = "mediatek,mt2701-ethsys", }, {} @@ -58,7 +64,7 @@ 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, 1, 0x34, MTK_RST_SIMPLE); + mtk_register_reset_controller(node, &clk_rst_desc); return r; } diff --git a/drivers/clk/mediatek/clk-mt2701-g3d.c b/drivers/clk/mediatek/clk-mt2701-g3d.c index bd77ed25b101..9cfd589939e5 100644 --- a/drivers/clk/mediatek/clk-mt2701-g3d.c +++ b/drivers/clk/mediatek/clk-mt2701-g3d.c @@ -35,6 +35,12 @@ static const struct mtk_gate g3d_clks[] = { GATE_G3D(CLK_G3DSYS_CORE, "g3d_core", "mfg_sel", 0), }; +static const struct mtk_clk_rst_desc clk_rst_desc = { + .version = MTK_RST_SIMPLE, + .rst_bank_nr = 1, + .reg_ofs = 0xc, +}; + static int clk_mt2701_g3dsys_init(struct platform_device *pdev) { struct clk_hw_onecell_data *clk_data; @@ -52,7 +58,7 @@ 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, 1, 0xc, MTK_RST_SIMPLE); + mtk_register_reset_controller(node, &clk_rst_desc); return r; } diff --git a/drivers/clk/mediatek/clk-mt2701-hif.c b/drivers/clk/mediatek/clk-mt2701-hif.c index ae3849b58db8..a6b812fcc922 100644 --- a/drivers/clk/mediatek/clk-mt2701-hif.c +++ b/drivers/clk/mediatek/clk-mt2701-hif.c @@ -33,6 +33,12 @@ static const struct mtk_gate hif_clks[] = { GATE_HIF(CLK_HIFSYS_PCIE2, "pcie2_clk", "ethpll_500m_ck", 26), }; +static const struct mtk_clk_rst_desc clk_rst_desc = { + .version = MTK_RST_SIMPLE, + .rst_bank_nr = 1, + .reg_ofs = 0x34, +}; + static const struct of_device_id of_match_clk_mt2701_hif[] = { { .compatible = "mediatek,mt2701-hifsys", }, {} @@ -57,7 +63,7 @@ static int clk_mt2701_hif_probe(struct platform_device *pdev) return r; } - mtk_register_reset_controller(node, 1, 0x34, MTK_RST_SIMPLE); + mtk_register_reset_controller(node, &clk_rst_desc); return 0; } diff --git a/drivers/clk/mediatek/clk-mt2701.c b/drivers/clk/mediatek/clk-mt2701.c index 18f90657a643..f165126232d3 100644 --- a/drivers/clk/mediatek/clk-mt2701.c +++ b/drivers/clk/mediatek/clk-mt2701.c @@ -735,6 +735,21 @@ static const struct mtk_fixed_factor infra_fixed_divs[] = { FACTOR(CLK_INFRA_CLK_13M, "clk13m", "clk26m", 1, 2), }; +static const struct mtk_clk_rst_desc clk_rst_desc[] = { + /* infrasys */ + { + .version = MTK_RST_SIMPLE, + .rst_bank_nr = 2, + .reg_ofs = 0x30, + }, + /* pericfg */ + { + .version = MTK_RST_SIMPLE, + .rst_bank_nr = 2, + .reg_ofs = 0x0, + }, +}; + static struct clk_hw_onecell_data *infra_clk_data; static void __init mtk_infrasys_init_early(struct device_node *node) @@ -787,7 +802,7 @@ static int mtk_infrasys_init(struct platform_device *pdev) if (r) return r; - mtk_register_reset_controller(node, 2, 0x30, MTK_RST_SIMPLE); + mtk_register_reset_controller(node, &clk_rst_desc[0]); return 0; } @@ -910,7 +925,7 @@ static int mtk_pericfg_init(struct platform_device *pdev) if (r) return r; - mtk_register_reset_controller(node, 2, 0x0, MTK_RST_SIMPLE); + mtk_register_reset_controller(node, &clk_rst_desc[1]); return 0; } diff --git a/drivers/clk/mediatek/clk-mt2712.c b/drivers/clk/mediatek/clk-mt2712.c index 3385fc963409..c7a8aafd44cc 100644 --- a/drivers/clk/mediatek/clk-mt2712.c +++ b/drivers/clk/mediatek/clk-mt2712.c @@ -1258,6 +1258,21 @@ static const struct mtk_pll_data plls[] = { 0, 31, 0x0300, 4, 0, 0, 0, 0x0304, 0), }; +static const struct mtk_clk_rst_desc clk_rst_desc[] = { + /* infra */ + { + .version = MTK_RST_SIMPLE, + .rst_bank_nr = 2, + .reg_ofs = 0x30, + }, + /* peri */ + { + .version = MTK_RST_SIMPLE, + .rst_bank_nr = 2, + .reg_ofs = 0x0, + }, +}; + static int clk_mt2712_apmixed_probe(struct platform_device *pdev) { struct clk_hw_onecell_data *clk_data; @@ -1361,7 +1376,7 @@ 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, 2, 0x30, MTK_RST_SIMPLE); + mtk_register_reset_controller(node, &clk_rst_desc[0]); return r; } @@ -1383,7 +1398,7 @@ 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, 2, 0, MTK_RST_SIMPLE); + mtk_register_reset_controller(node, &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 424105b91b7d..40eefed3d12b 100644 --- a/drivers/clk/mediatek/clk-mt7622-eth.c +++ b/drivers/clk/mediatek/clk-mt7622-eth.c @@ -65,6 +65,12 @@ static const struct mtk_gate sgmii_clks[] = { "ssusb_cdr_fb", 5), }; +static const struct mtk_clk_rst_desc clk_rst_desc = { + .version = MTK_RST_SIMPLE, + .rst_bank_nr = 1, + .reg_ofs = 0x34, +}; + static int clk_mt7622_ethsys_init(struct platform_device *pdev) { struct clk_hw_onecell_data *clk_data; @@ -82,7 +88,7 @@ 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, 1, 0x34, MTK_RST_SIMPLE); + mtk_register_reset_controller(node, &clk_rst_desc); return r; } diff --git a/drivers/clk/mediatek/clk-mt7622-hif.c b/drivers/clk/mediatek/clk-mt7622-hif.c index 88bccf595ee4..ca29d93ce2d0 100644 --- a/drivers/clk/mediatek/clk-mt7622-hif.c +++ b/drivers/clk/mediatek/clk-mt7622-hif.c @@ -76,6 +76,12 @@ static const struct mtk_gate pcie_clks[] = { GATE_PCIE(CLK_SATA_PM_EN, "sata_pm_en", "univpll2_d4", 30), }; +static const struct mtk_clk_rst_desc clk_rst_desc = { + .version = MTK_RST_SIMPLE, + .rst_bank_nr = 1, + .reg_ofs = 0x34, +}; + static int clk_mt7622_ssusbsys_init(struct platform_device *pdev) { struct clk_hw_onecell_data *clk_data; @@ -93,7 +99,7 @@ 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, 1, 0x34, MTK_RST_SIMPLE); + mtk_register_reset_controller(node, &clk_rst_desc); return r; } @@ -115,7 +121,7 @@ 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, 1, 0x34, MTK_RST_SIMPLE); + mtk_register_reset_controller(node, &clk_rst_desc); return r; } diff --git a/drivers/clk/mediatek/clk-mt7622.c b/drivers/clk/mediatek/clk-mt7622.c index 9b7ebccf75bc..115db564a6d4 100644 --- a/drivers/clk/mediatek/clk-mt7622.c +++ b/drivers/clk/mediatek/clk-mt7622.c @@ -610,6 +610,21 @@ static struct mtk_composite peri_muxes[] = { MUX(CLK_PERIBUS_SEL, "peribus_ck_sel", peribus_ck_parents, 0x05C, 0, 1), }; +static const struct mtk_clk_rst_desc clk_rst_desc[] = { + /* infrasys */ + { + .version = MTK_RST_SIMPLE, + .rst_bank_nr = 1, + .reg_ofs = 0x30, + }, + /* pericfg */ + { + .version = MTK_RST_SIMPLE, + .rst_bank_nr = 2, + .reg_ofs = 0x0, + }, +}; + static int mtk_topckgen_init(struct platform_device *pdev) { struct clk_hw_onecell_data *clk_data; @@ -663,7 +678,7 @@ static int mtk_infrasys_init(struct platform_device *pdev) if (r) return r; - mtk_register_reset_controller(node, 1, 0x30, MTK_RST_SIMPLE); + mtk_register_reset_controller(node, &clk_rst_desc[0]); return 0; } @@ -714,7 +729,7 @@ static int mtk_pericfg_init(struct platform_device *pdev) clk_prepare_enable(clk_data->hws[CLK_PERI_UART0_PD]->clk); - mtk_register_reset_controller(node, 2, 0x0, MTK_RST_SIMPLE); + mtk_register_reset_controller(node, &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 ba2548ef4031..c20c7853500d 100644 --- a/drivers/clk/mediatek/clk-mt7629-eth.c +++ b/drivers/clk/mediatek/clk-mt7629-eth.c @@ -76,6 +76,12 @@ static const struct mtk_gate sgmii_clks[2][4] = { } }; +static const struct mtk_clk_rst_desc clk_rst_desc = { + .version = MTK_RST_SIMPLE, + .rst_bank_nr = 1, + .reg_ofs = 0x34, +}; + static int clk_mt7629_ethsys_init(struct platform_device *pdev) { struct clk_hw_onecell_data *clk_data; @@ -92,7 +98,7 @@ 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, 1, 0x34, MTK_RST_SIMPLE); + mtk_register_reset_controller(node, &clk_rst_desc); return r; } diff --git a/drivers/clk/mediatek/clk-mt7629-hif.c b/drivers/clk/mediatek/clk-mt7629-hif.c index 5863ac799b70..5d7ec861afab 100644 --- a/drivers/clk/mediatek/clk-mt7629-hif.c +++ b/drivers/clk/mediatek/clk-mt7629-hif.c @@ -71,6 +71,12 @@ static const struct mtk_gate pcie_clks[] = { GATE_PCIE(CLK_PCIE_P0_PIPE_EN, "pcie_p0_pipe_en", "pcie0_pipe_en", 23), }; +static const struct mtk_clk_rst_desc clk_rst_desc = { + .version = MTK_RST_SIMPLE, + .rst_bank_nr = 1, + .reg_ofs = 0x34, +}; + static int clk_mt7629_ssusbsys_init(struct platform_device *pdev) { struct clk_hw_onecell_data *clk_data; @@ -88,7 +94,7 @@ 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, 1, 0x34, MTK_RST_SIMPLE); + mtk_register_reset_controller(node, &clk_rst_desc); return r; } @@ -110,7 +116,7 @@ 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, 1, 0x34, MTK_RST_SIMPLE); + mtk_register_reset_controller(node, &clk_rst_desc); return r; } diff --git a/drivers/clk/mediatek/clk-mt8135.c b/drivers/clk/mediatek/clk-mt8135.c index b94433a1dde1..f554574b2567 100644 --- a/drivers/clk/mediatek/clk-mt8135.c +++ b/drivers/clk/mediatek/clk-mt8135.c @@ -514,6 +514,21 @@ static const struct mtk_composite peri_clks[] __initconst = { MUX(CLK_PERI_UART3_SEL, "uart3_ck_sel", uart_ck_sel_parents, 0x40c, 3, 1), }; +static const struct mtk_clk_rst_desc clk_rst_desc[] = { + /* infrasys */ + { + .version = MTK_RST_SIMPLE, + .rst_bank_nr = 2, + .reg_ofs = 0x30, + }, + /* pericfg */ + { + .version = MTK_RST_SIMPLE, + .rst_bank_nr = 2, + .reg_ofs = 0x0, + } +}; + static void __init mtk_topckgen_init(struct device_node *node) { struct clk_hw_onecell_data *clk_data; @@ -559,7 +574,7 @@ static void __init mtk_infrasys_init(struct device_node *node) pr_err("%s(): could not register clock provider: %d\n", __func__, r); - mtk_register_reset_controller(node, 2, 0x30, MTK_RST_SIMPLE); + mtk_register_reset_controller(node, &clk_rst_desc[0]); } CLK_OF_DECLARE(mtk_infrasys, "mediatek,mt8135-infracfg", mtk_infrasys_init); @@ -587,7 +602,7 @@ static void __init mtk_pericfg_init(struct device_node *node) pr_err("%s(): could not register clock provider: %d\n", __func__, r); - mtk_register_reset_controller(node, 2, 0, MTK_RST_SIMPLE); + mtk_register_reset_controller(node, &clk_rst_desc[1]); } CLK_OF_DECLARE(mtk_pericfg, "mediatek,mt8135-pericfg", mtk_pericfg_init); diff --git a/drivers/clk/mediatek/clk-mt8173.c b/drivers/clk/mediatek/clk-mt8173.c index 9fbf26c96795..1e86210e9c66 100644 --- a/drivers/clk/mediatek/clk-mt8173.c +++ b/drivers/clk/mediatek/clk-mt8173.c @@ -819,6 +819,21 @@ static const struct mtk_gate venclt_clks[] __initconst = { GATE_VENCLT(CLK_VENCLT_CKE1, "venclt_cke1", "venclt_sel", 4), }; +static const struct mtk_clk_rst_desc clk_rst_desc[] = { + /* infrasys */ + { + .version = MTK_RST_SIMPLE, + .rst_bank_nr = 2, + .reg_ofs = 0x30, + }, + /* pericfg */ + { + .version = MTK_RST_SIMPLE, + .rst_bank_nr = 2, + .reg_ofs = 0x0, + } +}; + static struct clk_hw_onecell_data *mt8173_top_clk_data __initdata; static struct clk_hw_onecell_data *mt8173_pll_clk_data __initdata; @@ -882,7 +897,7 @@ static void __init mtk_infrasys_init(struct device_node *node) pr_err("%s(): could not register clock provider: %d\n", __func__, r); - mtk_register_reset_controller(node, 2, 0x30, MTK_RST_SIMPLE); + mtk_register_reset_controller(node, &clk_rst_desc[0]); } CLK_OF_DECLARE(mtk_infrasys, "mediatek,mt8173-infracfg", mtk_infrasys_init); @@ -910,7 +925,7 @@ static void __init mtk_pericfg_init(struct device_node *node) pr_err("%s(): could not register clock provider: %d\n", __func__, r); - mtk_register_reset_controller(node, 2, 0, MTK_RST_SIMPLE); + mtk_register_reset_controller(node, &clk_rst_desc[1]); } CLK_OF_DECLARE(mtk_pericfg, "mediatek,mt8173-pericfg", mtk_pericfg_init); diff --git a/drivers/clk/mediatek/clk-mt8183.c b/drivers/clk/mediatek/clk-mt8183.c index d0e89b015ffc..5708c5d8b300 100644 --- a/drivers/clk/mediatek/clk-mt8183.c +++ b/drivers/clk/mediatek/clk-mt8183.c @@ -1153,6 +1153,12 @@ static const struct mtk_pll_data plls[] = { 0, 0, 32, 8, 0x02B4, 1, 0x02BC, 0x0014, 1, 0x02B8, 0, 0x02B4), }; +static const struct mtk_clk_rst_desc clk_rst_desc = { + .version = MTK_RST_SET_CLR, + .rst_bank_nr = 4, + .reg_ofs = INFRA_RST0_SET_OFFSET, +}; + static int clk_mt8183_apmixed_probe(struct platform_device *pdev) { struct clk_hw_onecell_data *clk_data; @@ -1240,8 +1246,7 @@ static int clk_mt8183_infra_probe(struct platform_device *pdev) return r; } - mtk_register_reset_controller(node, 4, - INFRA_RST0_SET_OFFSET, MTK_RST_SET_CLR); + mtk_register_reset_controller(node, &clk_rst_desc); return r; } diff --git a/drivers/clk/mediatek/reset.c b/drivers/clk/mediatek/reset.c index 33745f7f144f..47bc6b1842fd 100644 --- a/drivers/clk/mediatek/reset.c +++ b/drivers/clk/mediatek/reset.c @@ -12,14 +12,19 @@ #include "reset.h" +static inline struct mtk_clk_rst_data *to_mtk_clk_rst_data(struct reset_controller_dev *rcdev) +{ + return container_of(rcdev, struct mtk_clk_rst_data, rcdev); +} + static int mtk_reset_update(struct reset_controller_dev *rcdev, unsigned long id, bool deassert) { - struct mtk_reset *data = container_of(rcdev, struct mtk_reset, rcdev); + struct mtk_clk_rst_data *data = to_mtk_clk_rst_data(rcdev); unsigned int val = deassert ? 0 : ~0; return regmap_update_bits(data->regmap, - data->regofs + ((id / 32) << 2), + data->desc->reg_ofs + ((id / 32) << 2), BIT(id % 32), val); } @@ -49,11 +54,11 @@ static int mtk_reset(struct reset_controller_dev *rcdev, unsigned long id) static int mtk_reset_update_set_clr(struct reset_controller_dev *rcdev, unsigned long id, bool deassert) { - struct mtk_reset *data = container_of(rcdev, struct mtk_reset, rcdev); + struct mtk_clk_rst_data *data = to_mtk_clk_rst_data(rcdev); unsigned int deassert_ofs = deassert ? 0x4 : 0; return regmap_write(data->regmap, - data->regofs + ((id / 32) << 4) + deassert_ofs, + data->desc->reg_ofs + ((id / 32) << 4) + deassert_ofs, BIT(id % 32)); } @@ -93,15 +98,19 @@ static const struct reset_control_ops mtk_reset_ops_set_clr = { }; void mtk_register_reset_controller(struct device_node *np, - u32 rst_bank_nr, u16 reg_ofs, - enum mtk_reset_version version) + const struct mtk_clk_rst_desc *desc) { - struct mtk_reset *data; - int ret; struct regmap *regmap; const struct reset_control_ops *rcops = NULL; + struct mtk_clk_rst_data *data; + int ret; + + if (!desc) { + pr_err("mtk clock reset desc is NULL\n"); + return; + } - switch (version) { + switch (desc->version) { case MTK_RST_SIMPLE: rcops = &mtk_reset_ops; break; @@ -109,7 +118,7 @@ void mtk_register_reset_controller(struct device_node *np, rcops = &mtk_reset_ops_set_clr; break; default: - pr_err("Unknown reset version %d\n", version); + pr_err("Unknown reset version %d\n", desc->version); return; } @@ -123,10 +132,10 @@ void mtk_register_reset_controller(struct device_node *np, if (!data) return; + data->desc = desc; data->regmap = regmap; - data->regofs = reg_ofs; data->rcdev.owner = THIS_MODULE; - data->rcdev.nr_resets = rst_bank_nr * 32; + data->rcdev.nr_resets = desc->rst_bank_nr * 32; data->rcdev.ops = rcops; data->rcdev.of_node = np; diff --git a/drivers/clk/mediatek/reset.h b/drivers/clk/mediatek/reset.h index 851244bbd2ad..b4c2b468da4a 100644 --- a/drivers/clk/mediatek/reset.h +++ b/drivers/clk/mediatek/reset.h @@ -21,21 +21,36 @@ enum mtk_reset_version { MTK_RST_MAX, }; -struct mtk_reset { +/** + * struct mtk_clk_rst_desc - Description of MediaTek clock reset. + * @version: Reset version which is defined in enum mtk_reset_version. + * @reg_ofs: Base offset of the reset register. + * @rst_bank_nr: Quantity of reset bank. + */ +struct mtk_clk_rst_desc { + enum mtk_reset_version version; + u16 reg_ofs; + u32 rst_bank_nr; +}; + +/** + * struct mtk_clk_rst_data - Data of MediaTek clock reset controller. + * @regmap: Pointer to base address of reset register address. + * @rcdev: Reset controller device. + * @desc: Pointer to description of the reset controller. + */ +struct mtk_clk_rst_data { struct regmap *regmap; - int regofs; struct reset_controller_dev rcdev; + const struct mtk_clk_rst_desc *desc; }; /** * mtk_register_reset_controller - Register MediaTek clock reset controller * @np: Pointer to device node. - * @rst_bank_nr: Quantity of reset bank. - * @reg_ofs: Base offset of the reset register. - * @version: Version of MediaTek clock reset controller. + * @desc: Constant pointer to description of clock reset. */ void mtk_register_reset_controller(struct device_node *np, - u32 rst_bank_nr, u16 reg_ofs, - enum mtk_reset_version version); + const struct mtk_clk_rst_desc *desc); #endif /* __DRV_CLK_MTK_RESET_H */ -- 2.18.0