From patchwork Thu Apr 28 11:56:10 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?UmV4LUJDIENoZW4gKOmZs+afj+i+sCk=?= X-Patchwork-Id: 12830572 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 2E68FC43219 for ; Thu, 28 Apr 2022 11:56:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345865AbiD1L75 (ORCPT ); Thu, 28 Apr 2022 07:59:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36664 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345840AbiD1L7u (ORCPT ); Thu, 28 Apr 2022 07:59:50 -0400 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E7AC588B0A; Thu, 28 Apr 2022 04:56:32 -0700 (PDT) X-UUID: 3b068e6ae44a4f5b9e2943097bfd345c-20220428 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.4,REQID:5a2b4a0e-5f95-474f-a97e-cf0904b1a5d4,OB:0,LO B:0,IP:0,URL:0,TC:0,Content:-20,EDM:0,RT:0,SF:0,FILE:0,RULE:Release_Ham,AC TION:release,TS:-20 X-CID-META: VersionHash:faefae9,CLOUDID:325a0c2f-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: 3b068e6ae44a4f5b9e2943097bfd345c-20220428 Received: from mtkmbs11n2.mediatek.inc [(172.21.101.187)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 913292482; Thu, 28 Apr 2022 19:56:24 +0800 Received: from mtkmbs07n1.mediatek.inc (172.21.101.16) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.3; Thu, 28 Apr 2022 19:56:23 +0800 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 28 Apr 2022 19:56:22 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 28 Apr 2022 19:56:22 +0800 From: Rex-BC Chen To: , , , , CC: , , , , , , , , , , , Rex-BC Chen Subject: [PATCH V5 07/16] clk: mediatek: reset: Support nonsequence base offsets of reset registers Date: Thu, 28 Apr 2022 19:56:10 +0800 Message-ID: <20220428115620.13512-8-rex-bc.chen@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220428115620.13512-1-rex-bc.chen@mediatek.com> References: <20220428115620.13512-1-rex-bc.chen@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org The bank offsets are not serial for all reset registers. For example, there are five infra reset banks for MT8192: 0x120, 0x130, 0x140, 0x150 and 0x730. To support this, - Change reg_ofs to rst_bank_ofs which is a pointer to base offsets of the reset register. - Add a new define RST_NR_PER_BANK to define reset number for each reset bank. Signed-off-by: Rex-BC Chen Reviewed-by: AngeloGioacchino Del Regno --- drivers/clk/mediatek/clk-mt2701-eth.c | 6 ++++-- drivers/clk/mediatek/clk-mt2701-g3d.c | 6 ++++-- drivers/clk/mediatek/clk-mt2701-hif.c | 6 ++++-- drivers/clk/mediatek/clk-mt2701.c | 11 +++++++---- drivers/clk/mediatek/clk-mt2712.c | 11 +++++++---- drivers/clk/mediatek/clk-mt7622-eth.c | 6 ++++-- drivers/clk/mediatek/clk-mt7622-hif.c | 6 ++++-- drivers/clk/mediatek/clk-mt7622.c | 11 +++++++---- drivers/clk/mediatek/clk-mt7629-eth.c | 6 ++++-- drivers/clk/mediatek/clk-mt7629-hif.c | 6 ++++-- drivers/clk/mediatek/clk-mt8135.c | 11 +++++++---- drivers/clk/mediatek/clk-mt8173.c | 11 +++++++---- drivers/clk/mediatek/clk-mt8183.c | 14 ++++++++++++-- drivers/clk/mediatek/reset.c | 11 ++++++----- drivers/clk/mediatek/reset.h | 6 ++++-- 15 files changed, 85 insertions(+), 43 deletions(-) diff --git a/drivers/clk/mediatek/clk-mt2701-eth.c b/drivers/clk/mediatek/clk-mt2701-eth.c index 2cc35dfdbca7..0ae4bce3bb37 100644 --- a/drivers/clk/mediatek/clk-mt2701-eth.c +++ b/drivers/clk/mediatek/clk-mt2701-eth.c @@ -36,10 +36,12 @@ static const struct mtk_gate eth_clks[] = { GATE_ETH(CLK_ETHSYS_CRYPTO, "crypto_clk", "ethif_sel", 29), }; +static u16 rst_ofs[] = { 0x34, }; + static const struct mtk_clk_rst_desc clk_rst_desc = { .version = MTK_RST_SIMPLE, - .rst_bank_nr = 1, - .reg_ofs = 0x34, + .rst_bank_ofs = rst_ofs, + .rst_bank_nr = ARRAY_SIZE(rst_ofs), }; static const struct of_device_id of_match_clk_mt2701_eth[] = { diff --git a/drivers/clk/mediatek/clk-mt2701-g3d.c b/drivers/clk/mediatek/clk-mt2701-g3d.c index 0905d5c12691..8d2053517ddc 100644 --- a/drivers/clk/mediatek/clk-mt2701-g3d.c +++ b/drivers/clk/mediatek/clk-mt2701-g3d.c @@ -35,10 +35,12 @@ static const struct mtk_gate g3d_clks[] = { GATE_G3D(CLK_G3DSYS_CORE, "g3d_core", "mfg_sel", 0), }; +static u16 rst_ofs[] = { 0xC, }; + static const struct mtk_clk_rst_desc clk_rst_desc = { .version = MTK_RST_SIMPLE, - .rst_bank_nr = 1, - .reg_ofs = 0xc, + .rst_bank_ofs = rst_ofs, + .rst_bank_nr = ARRAY_SIZE(rst_ofs), }; static int clk_mt2701_g3dsys_init(struct platform_device *pdev) diff --git a/drivers/clk/mediatek/clk-mt2701-hif.c b/drivers/clk/mediatek/clk-mt2701-hif.c index 24d5bac1bb9b..e40865a6f45e 100644 --- a/drivers/clk/mediatek/clk-mt2701-hif.c +++ b/drivers/clk/mediatek/clk-mt2701-hif.c @@ -33,10 +33,12 @@ static const struct mtk_gate hif_clks[] = { GATE_HIF(CLK_HIFSYS_PCIE2, "pcie2_clk", "ethpll_500m_ck", 26), }; +static u16 rst_ofs[] = { 0x34, }; + static const struct mtk_clk_rst_desc clk_rst_desc = { .version = MTK_RST_SIMPLE, - .rst_bank_nr = 1, - .reg_ofs = 0x34, + .rst_bank_ofs = rst_ofs, + .rst_bank_nr = ARRAY_SIZE(rst_ofs), }; static const struct of_device_id of_match_clk_mt2701_hif[] = { diff --git a/drivers/clk/mediatek/clk-mt2701.c b/drivers/clk/mediatek/clk-mt2701.c index 70a934faa529..572d62f76e96 100644 --- a/drivers/clk/mediatek/clk-mt2701.c +++ b/drivers/clk/mediatek/clk-mt2701.c @@ -735,18 +735,21 @@ static const struct mtk_fixed_factor infra_fixed_divs[] = { FACTOR(CLK_INFRA_CLK_13M, "clk13m", "clk26m", 1, 2), }; +static u16 infrasys_rst_ofs[] = { 0x30, 0x34, }; +static u16 pericfg_rst_ofs[] = { 0x0, 0x4, }; + static const struct mtk_clk_rst_desc clk_rst_desc[] = { /* infrasys */ { .version = MTK_RST_SIMPLE, - .rst_bank_nr = 2, - .reg_ofs = 0x30, + .rst_bank_ofs = infrasys_rst_ofs, + .rst_bank_nr = ARRAY_SIZE(infrasys_rst_ofs), }, /* pericfg */ { .version = MTK_RST_SIMPLE, - .rst_bank_nr = 2, - .reg_ofs = 0x0, + .rst_bank_ofs = pericfg_rst_ofs, + .rst_bank_nr = ARRAY_SIZE(pericfg_rst_ofs), }, }; diff --git a/drivers/clk/mediatek/clk-mt2712.c b/drivers/clk/mediatek/clk-mt2712.c index cef7c79788ec..9eb8866ec77a 100644 --- a/drivers/clk/mediatek/clk-mt2712.c +++ b/drivers/clk/mediatek/clk-mt2712.c @@ -1258,18 +1258,21 @@ static const struct mtk_pll_data plls[] = { 0, 31, 0x0300, 4, 0, 0, 0, 0x0304, 0), }; +static u16 infrasys_rst_ofs[] = { 0x30, 0x34, }; +static u16 pericfg_rst_ofs[] = { 0x0, 0x4, }; + static const struct mtk_clk_rst_desc clk_rst_desc[] = { /* infra */ { .version = MTK_RST_SIMPLE, - .rst_bank_nr = 2, - .reg_ofs = 0x30, + .rst_bank_ofs = infrasys_rst_ofs, + .rst_bank_nr = ARRAY_SIZE(infrasys_rst_ofs), }, /* peri */ { .version = MTK_RST_SIMPLE, - .rst_bank_nr = 2, - .reg_ofs = 0x0, + .rst_bank_ofs = pericfg_rst_ofs, + .rst_bank_nr = ARRAY_SIZE(pericfg_rst_ofs), }, }; diff --git a/drivers/clk/mediatek/clk-mt7622-eth.c b/drivers/clk/mediatek/clk-mt7622-eth.c index b6da1871a1f9..b58fe61a8443 100644 --- a/drivers/clk/mediatek/clk-mt7622-eth.c +++ b/drivers/clk/mediatek/clk-mt7622-eth.c @@ -65,10 +65,12 @@ static const struct mtk_gate sgmii_clks[] = { "ssusb_cdr_fb", 5), }; +static u16 rst_ofs[] = { 0x34, }; + static const struct mtk_clk_rst_desc clk_rst_desc = { .version = MTK_RST_SIMPLE, - .rst_bank_nr = 1, - .reg_ofs = 0x34, + .rst_bank_ofs = rst_ofs, + .rst_bank_nr = ARRAY_SIZE(rst_ofs), }; static int clk_mt7622_ethsys_init(struct platform_device *pdev) diff --git a/drivers/clk/mediatek/clk-mt7622-hif.c b/drivers/clk/mediatek/clk-mt7622-hif.c index c2841deb52a5..1ee79d4837a4 100644 --- a/drivers/clk/mediatek/clk-mt7622-hif.c +++ b/drivers/clk/mediatek/clk-mt7622-hif.c @@ -76,10 +76,12 @@ static const struct mtk_gate pcie_clks[] = { GATE_PCIE(CLK_SATA_PM_EN, "sata_pm_en", "univpll2_d4", 30), }; +static u16 rst_ofs[] = { 0x34, }; + static const struct mtk_clk_rst_desc clk_rst_desc = { .version = MTK_RST_SIMPLE, - .rst_bank_nr = 1, - .reg_ofs = 0x34, + .rst_bank_ofs = rst_ofs, + .rst_bank_nr = ARRAY_SIZE(rst_ofs), }; static int clk_mt7622_ssusbsys_init(struct platform_device *pdev) diff --git a/drivers/clk/mediatek/clk-mt7622.c b/drivers/clk/mediatek/clk-mt7622.c index 880e752527a9..8ebd66dcb946 100644 --- a/drivers/clk/mediatek/clk-mt7622.c +++ b/drivers/clk/mediatek/clk-mt7622.c @@ -610,18 +610,21 @@ static struct mtk_composite peri_muxes[] = { MUX(CLK_PERIBUS_SEL, "peribus_ck_sel", peribus_ck_parents, 0x05C, 0, 1), }; +static u16 infrasys_rst_ofs[] = { 0x30, }; +static u16 pericfg_rst_ofs[] = { 0x0, 0x4, }; + static const struct mtk_clk_rst_desc clk_rst_desc[] = { /* infrasys */ { .version = MTK_RST_SIMPLE, - .rst_bank_nr = 1, - .reg_ofs = 0x30, + .rst_bank_ofs = infrasys_rst_ofs, + .rst_bank_nr = ARRAY_SIZE(infrasys_rst_ofs), }, /* pericfg */ { .version = MTK_RST_SIMPLE, - .rst_bank_nr = 2, - .reg_ofs = 0x0, + .rst_bank_ofs = pericfg_rst_ofs, + .rst_bank_nr = ARRAY_SIZE(pericfg_rst_ofs), }, }; diff --git a/drivers/clk/mediatek/clk-mt7629-eth.c b/drivers/clk/mediatek/clk-mt7629-eth.c index e054aa1e1479..56ff7c1f6ec1 100644 --- a/drivers/clk/mediatek/clk-mt7629-eth.c +++ b/drivers/clk/mediatek/clk-mt7629-eth.c @@ -76,10 +76,12 @@ static const struct mtk_gate sgmii_clks[2][4] = { } }; +static u16 rst_ofs[] = { 0x34, }; + static const struct mtk_clk_rst_desc clk_rst_desc = { .version = MTK_RST_SIMPLE, - .rst_bank_nr = 1, - .reg_ofs = 0x34, + .rst_bank_ofs = rst_ofs, + .rst_bank_nr = ARRAY_SIZE(rst_ofs), }; static int clk_mt7629_ethsys_init(struct platform_device *pdev) diff --git a/drivers/clk/mediatek/clk-mt7629-hif.c b/drivers/clk/mediatek/clk-mt7629-hif.c index ab085092041e..fc12110b04fc 100644 --- a/drivers/clk/mediatek/clk-mt7629-hif.c +++ b/drivers/clk/mediatek/clk-mt7629-hif.c @@ -71,10 +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 u16 rst_ofs[] = { 0x34, }; + static const struct mtk_clk_rst_desc clk_rst_desc = { .version = MTK_RST_SIMPLE, - .rst_bank_nr = 1, - .reg_ofs = 0x34, + .rst_bank_ofs = rst_ofs, + .rst_bank_nr = ARRAY_SIZE(rst_ofs), }; static int clk_mt7629_ssusbsys_init(struct platform_device *pdev) diff --git a/drivers/clk/mediatek/clk-mt8135.c b/drivers/clk/mediatek/clk-mt8135.c index a4cfc094895c..8b7fb5e2c5c2 100644 --- a/drivers/clk/mediatek/clk-mt8135.c +++ b/drivers/clk/mediatek/clk-mt8135.c @@ -514,18 +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 u16 infrasys_rst_ofs[] = { 0x30, 0x34, }; +static u16 pericfg_rst_ofs[] = { 0x0, 0x4, }; + static const struct mtk_clk_rst_desc clk_rst_desc[] = { /* infrasys */ { .version = MTK_RST_SIMPLE, - .rst_bank_nr = 2, - .reg_ofs = 0x30, + .rst_bank_ofs = infrasys_rst_ofs, + .rst_bank_nr = ARRAY_SIZE(infrasys_rst_ofs), }, /* pericfg */ { .version = MTK_RST_SIMPLE, - .rst_bank_nr = 2, - .reg_ofs = 0x0, + .rst_bank_ofs = pericfg_rst_ofs, + .rst_bank_nr = ARRAY_SIZE(pericfg_rst_ofs), } }; diff --git a/drivers/clk/mediatek/clk-mt8173.c b/drivers/clk/mediatek/clk-mt8173.c index cba1495b2a67..4228ee56da37 100644 --- a/drivers/clk/mediatek/clk-mt8173.c +++ b/drivers/clk/mediatek/clk-mt8173.c @@ -819,18 +819,21 @@ static const struct mtk_gate venclt_clks[] __initconst = { GATE_VENCLT(CLK_VENCLT_CKE1, "venclt_cke1", "venclt_sel", 4), }; +static u16 infrasys_rst_ofs[] = { 0x30, 0x34, }; +static u16 pericfg_rst_ofs[] = { 0x0, 0x4, }; + static const struct mtk_clk_rst_desc clk_rst_desc[] = { /* infrasys */ { .version = MTK_RST_SIMPLE, - .rst_bank_nr = 2, - .reg_ofs = 0x30, + .rst_bank_ofs = infrasys_rst_ofs, + .rst_bank_nr = ARRAY_SIZE(infrasys_rst_ofs), }, /* pericfg */ { .version = MTK_RST_SIMPLE, - .rst_bank_nr = 2, - .reg_ofs = 0x0, + .rst_bank_ofs = pericfg_rst_ofs, + .rst_bank_nr = ARRAY_SIZE(pericfg_rst_ofs), } }; diff --git a/drivers/clk/mediatek/clk-mt8183.c b/drivers/clk/mediatek/clk-mt8183.c index 3517eca5ee83..de4ba5e055ca 100644 --- a/drivers/clk/mediatek/clk-mt8183.c +++ b/drivers/clk/mediatek/clk-mt8183.c @@ -20,6 +20,9 @@ /* Infra global controller reset set register */ #define INFRA_RST0_SET_OFFSET 0x120 +#define INFRA_RST1_SET_OFFSET 0x130 +#define INFRA_RST2_SET_OFFSET 0x140 +#define INFRA_RST3_SET_OFFSET 0x150 static DEFINE_SPINLOCK(mt8183_clk_lock); @@ -1153,10 +1156,17 @@ static const struct mtk_pll_data plls[] = { 0, 0, 32, 8, 0x02B4, 1, 0x02BC, 0x0014, 1, 0x02B8, 0, 0x02B4), }; +static u16 infra_rst_ofs[] = { + INFRA_RST0_SET_OFFSET, + INFRA_RST1_SET_OFFSET, + INFRA_RST2_SET_OFFSET, + INFRA_RST3_SET_OFFSET, +}; + 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, + .rst_bank_ofs = infra_rst_ofs, + .rst_bank_nr = ARRAY_SIZE(infra_rst_ofs), }; static int clk_mt8183_apmixed_probe(struct platform_device *pdev) diff --git a/drivers/clk/mediatek/reset.c b/drivers/clk/mediatek/reset.c index 47bc6b1842fd..11b2f74f121d 100644 --- a/drivers/clk/mediatek/reset.c +++ b/drivers/clk/mediatek/reset.c @@ -24,8 +24,8 @@ static int mtk_reset_update(struct reset_controller_dev *rcdev, unsigned int val = deassert ? 0 : ~0; return regmap_update_bits(data->regmap, - data->desc->reg_ofs + ((id / 32) << 2), - BIT(id % 32), val); + data->desc->rst_bank_ofs[id / RST_NR_PER_BANK], + BIT(id % RST_NR_PER_BANK), val); } static int mtk_reset_assert(struct reset_controller_dev *rcdev, @@ -58,8 +58,9 @@ static int mtk_reset_update_set_clr(struct reset_controller_dev *rcdev, unsigned int deassert_ofs = deassert ? 0x4 : 0; return regmap_write(data->regmap, - data->desc->reg_ofs + ((id / 32) << 4) + deassert_ofs, - BIT(id % 32)); + data->desc->rst_bank_ofs[id / RST_NR_PER_BANK] + + deassert_ofs, + BIT(id % RST_NR_PER_BANK)); } static int mtk_reset_assert_set_clr(struct reset_controller_dev *rcdev, @@ -135,7 +136,7 @@ void mtk_register_reset_controller(struct device_node *np, data->desc = desc; data->regmap = regmap; data->rcdev.owner = THIS_MODULE; - data->rcdev.nr_resets = desc->rst_bank_nr * 32; + data->rcdev.nr_resets = desc->rst_bank_nr * RST_NR_PER_BANK; data->rcdev.ops = rcops; data->rcdev.of_node = np; diff --git a/drivers/clk/mediatek/reset.h b/drivers/clk/mediatek/reset.h index 91358e8cb851..482df8012c5c 100644 --- a/drivers/clk/mediatek/reset.h +++ b/drivers/clk/mediatek/reset.h @@ -9,6 +9,8 @@ #include #include +#define RST_NR_PER_BANK 32 + /** * enum mtk_reset_version - Version of MediaTek clock reset controller. * @MTK_RST_SIMPLE: Use the same registers for bit set and clear. @@ -24,12 +26,12 @@ enum mtk_reset_version { /** * 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_ofs: Pointer to an array containing base offsets of the reset register. * @rst_bank_nr: Quantity of reset bank. */ struct mtk_clk_rst_desc { u8 version; - u16 reg_ofs; + u16 *rst_bank_ofs; u32 rst_bank_nr; };