From patchwork Wed Apr 27 03:09:48 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: 12828224 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 CA1A5C46467 for ; Wed, 27 Apr 2022 03:12:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1357470AbiD0DPr (ORCPT ); Tue, 26 Apr 2022 23:15:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53306 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1357426AbiD0DPn (ORCPT ); Tue, 26 Apr 2022 23:15:43 -0400 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5F35B12771; Tue, 26 Apr 2022 20:12:29 -0700 (PDT) X-UUID: 670b02f807454e78a3addee14d718625-20220427 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.4,REQID:e8db2691-5d7e-4359-bf93-645c08a05a7e,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:1703d42e-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: 670b02f807454e78a3addee14d718625-20220427 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 609843609; Wed, 27 Apr 2022 11:12:23 +0800 Received: from mtkexhb02.mediatek.inc (172.21.101.103) 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; Wed, 27 Apr 2022 11:12:22 +0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkexhb02.mediatek.inc (172.21.101.103) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 27 Apr 2022 11:12:21 +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; Wed, 27 Apr 2022 11:12:21 +0800 From: Rex-BC Chen To: , , , , CC: , , , , , , , , , , , Rex-BC Chen Subject: [PATCH V4 13/15] clk: mediatek: reset: Add infra_ao reset support for MT8192/MT8195 Date: Wed, 27 Apr 2022 11:09:48 +0800 Message-ID: <20220427030950.23395-14-rex-bc.chen@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220427030950.23395-1-rex-bc.chen@mediatek.com> References: <20220427030950.23395-1-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 infra_ao reset is needed for MT8192 and MT8195. - Add mtk_clk_rst_desc for MT8192 and MT8195. - Add register reset controller function for MT8192 infra_ao. - Move definition of infra reset from cl-mt8183.c to reset.h because it's the same definition with MT8192 and MT8195. - Add new definition of infra reset_4 for MT8192 and MT8195. Signed-off-by: Rex-BC Chen --- drivers/clk/mediatek/clk-mt8183.c | 6 ------ drivers/clk/mediatek/clk-mt8192.c | 18 ++++++++++++++++++ drivers/clk/mediatek/clk-mt8195-infra_ao.c | 15 +++++++++++++++ drivers/clk/mediatek/reset.h | 7 +++++++ 4 files changed, 40 insertions(+), 6 deletions(-) diff --git a/drivers/clk/mediatek/clk-mt8183.c b/drivers/clk/mediatek/clk-mt8183.c index c7d5ffacbd1d..40b53e15411d 100644 --- a/drivers/clk/mediatek/clk-mt8183.c +++ b/drivers/clk/mediatek/clk-mt8183.c @@ -18,12 +18,6 @@ #include -/* 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); static const struct mtk_fixed_clk top_fixed_clks[] = { diff --git a/drivers/clk/mediatek/clk-mt8192.c b/drivers/clk/mediatek/clk-mt8192.c index ab27cd66b866..add177eb17d2 100644 --- a/drivers/clk/mediatek/clk-mt8192.c +++ b/drivers/clk/mediatek/clk-mt8192.c @@ -1114,6 +1114,20 @@ static const struct mtk_gate top_clks[] = { GATE_TOP(CLK_TOP_SSUSB_PHY_REF, "ssusb_phy_ref", "clk26m", 25), }; +static u16 infra_ao_rst_ofs[] = { + INFRA_RST0_SET_OFFSET, + INFRA_RST1_SET_OFFSET, + INFRA_RST2_SET_OFFSET, + INFRA_RST3_SET_OFFSET, + INFRA_RST4_SET_OFFSET, +}; + +static const struct mtk_clk_rst_desc clk_rst_desc = { + .version = MTK_RST_SET_CLR, + .rst_bank_ofs = infra_ao_rst_ofs, + .rst_bank_nr = ARRAY_SIZE(infra_ao_rst_ofs), +}; + #define MT8192_PLL_FMAX (3800UL * MHZ) #define MT8192_PLL_FMIN (1500UL * MHZ) #define MT8192_INTEGER_BITS 8 @@ -1239,6 +1253,10 @@ static int clk_mt8192_infra_probe(struct platform_device *pdev) if (r) goto free_clk_data; + r = mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc); + if (r) + goto free_clk_data; + r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); if (r) goto free_clk_data; diff --git a/drivers/clk/mediatek/clk-mt8195-infra_ao.c b/drivers/clk/mediatek/clk-mt8195-infra_ao.c index 8ebe3b9415c4..4b7f21a6b93c 100644 --- a/drivers/clk/mediatek/clk-mt8195-infra_ao.c +++ b/drivers/clk/mediatek/clk-mt8195-infra_ao.c @@ -182,9 +182,24 @@ static const struct mtk_gate infra_ao_clks[] = { GATE_INFRA_AO4(CLK_INFRA_AO_PERI_UFS_MEM_SUB, "infra_ao_peri_ufs_mem_sub", "mem_466m", 31), }; +static u16 infra_ao_rst_ofs[] = { + INFRA_RST0_SET_OFFSET, + INFRA_RST1_SET_OFFSET, + INFRA_RST2_SET_OFFSET, + INFRA_RST3_SET_OFFSET, + INFRA_RST4_SET_OFFSET, +}; + +static struct mtk_clk_rst_desc infra_ao_rst_desc = { + .version = MTK_RST_SET_CLR, + .rst_bank_ofs = infra_ao_rst_ofs, + .rst_bank_nr = ARRAY_SIZE(infra_ao_rst_ofs), +}; + static const struct mtk_clk_desc infra_ao_desc = { .clks = infra_ao_clks, .num_clks = ARRAY_SIZE(infra_ao_clks), + .rst_desc = &infra_ao_rst_desc, }; static const struct of_device_id of_match_clk_mt8195_infra_ao[] = { diff --git a/drivers/clk/mediatek/reset.h b/drivers/clk/mediatek/reset.h index 470588b82418..aebfb0ceabbe 100644 --- a/drivers/clk/mediatek/reset.h +++ b/drivers/clk/mediatek/reset.h @@ -11,6 +11,13 @@ #define RST_NR_PER_BANK 32 +/* 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 +#define INFRA_RST4_SET_OFFSET 0x730 + /** * enum mtk_reset_version - Version of MediaTek clock reset controller. * @MTK_RST_SIMPLE: Use the same registers for bit set and clear.