From patchwork Tue Feb 21 11:55:21 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 13147752 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 A1CB6C76186 for ; Tue, 21 Feb 2023 11:58:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234557AbjBUL6O (ORCPT ); Tue, 21 Feb 2023 06:58:14 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35216 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234608AbjBUL5z (ORCPT ); Tue, 21 Feb 2023 06:57:55 -0500 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4455F2279C; Tue, 21 Feb 2023 03:57:23 -0800 (PST) Received: from IcarusMOD.eternityproject.eu (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madras.collabora.co.uk (Postfix) with ESMTPSA id AB3D366021D9; Tue, 21 Feb 2023 11:56:28 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1676980589; bh=WNWdyOmD8B5R304+mk9PqqAqkw71eyCr40x9qipu2c8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nPmn/r//PwneYgqA9vIzVv47X/LiFqKkSHeokSZZ6OjfEib68iHTkRtsfAb+Likjm 20uPOd9voKRyl3lcrXhxqLVCxcqoNePca4qIayQFdqrI4poBKtP45EQ8dxhUR4uObE l27YHxDBcTHWpVQj2/BpsZ0O5GcFJBDjUWyoehohy+Lcv3UxEmWsrwwNeqHocD6NfU a7il4LyPs4RlVaGZRzO1Mqtgf5GML1z4yaxSq9GWxFHcZtrzi8CdwicKZdjt9qwEP6 c8buJEfwqopjOXKa53GUpHWxJ2Yuip4YipCojUxgrH0Gr06AR8VnnNHfG/sSshHWWj C8wVHJH0oR19g== From: AngeloGioacchino Del Regno To: mturquette@baylibre.com Cc: sboyd@kernel.org, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, wenst@chromium.org, johnson.wang@mediatek.com, miles.chen@mediatek.com, chun-jie.chen@mediatek.com, daniel@makrotopia.org, fparent@baylibre.com, msp@baylibre.com, nfraprado@collabora.com, rex-bc.chen@mediatek.com, zhaojh329@gmail.com, sam.shih@mediatek.com, edward-jw.yang@mediatek.com, yangyingliang@huawei.com, granquet@baylibre.com, pablo.sun@mediatek.com, sean.wang@mediatek.com, chen.zhong@mediatek.com, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: [PATCH v4 26/54] clk: mediatek: mt7622: Move infracfg to clk-mt7622-infracfg.c Date: Tue, 21 Feb 2023 12:55:21 +0100 Message-Id: <20230221115549.360132-27-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230221115549.360132-1-angelogioacchino.delregno@collabora.com> References: <20230221115549.360132-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org The infracfg driver cannot be converted to clk_mtk_simple_probe() as it registers cpumuxes, which is not supported on the common probing mechanism: for this reason, move it to its own file. While at it, also convert it to be a platform driver instead; to do so, also add a .remove() callback for this driver. During the conversion, error handling was added to the infracfg probe function. Signed-off-by: AngeloGioacchino Del Regno Reviewed-by: Chen-Yu Tsai --- drivers/clk/mediatek/Makefile | 3 +- drivers/clk/mediatek/clk-mt7622-infracfg.c | 127 +++++++++++++++++++++ drivers/clk/mediatek/clk-mt7622.c | 78 +------------ 3 files changed, 134 insertions(+), 74 deletions(-) create mode 100644 drivers/clk/mediatek/clk-mt7622-infracfg.c diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile index c1bee331eebf..0f2cd735d9fd 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -46,7 +46,8 @@ obj-$(CONFIG_COMMON_CLK_MT2712_MFGCFG) += clk-mt2712-mfg.o obj-$(CONFIG_COMMON_CLK_MT2712_MMSYS) += clk-mt2712-mm.o obj-$(CONFIG_COMMON_CLK_MT2712_VDECSYS) += clk-mt2712-vdec.o obj-$(CONFIG_COMMON_CLK_MT2712_VENCSYS) += clk-mt2712-venc.o -obj-$(CONFIG_COMMON_CLK_MT7622) += clk-mt7622.o clk-mt7622-apmixedsys.o +obj-$(CONFIG_COMMON_CLK_MT7622) += clk-mt7622.o clk-mt7622-apmixedsys.o \ + clk-mt7622-infracfg.o obj-$(CONFIG_COMMON_CLK_MT7622_ETHSYS) += clk-mt7622-eth.o obj-$(CONFIG_COMMON_CLK_MT7622_HIFSYS) += clk-mt7622-hif.o obj-$(CONFIG_COMMON_CLK_MT7622_AUDSYS) += clk-mt7622-aud.o diff --git a/drivers/clk/mediatek/clk-mt7622-infracfg.c b/drivers/clk/mediatek/clk-mt7622-infracfg.c new file mode 100644 index 000000000000..09d8ac4d483a --- /dev/null +++ b/drivers/clk/mediatek/clk-mt7622-infracfg.c @@ -0,0 +1,127 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2017 MediaTek Inc. + * Copyright (c) 2023 Collabora, Ltd. + * AngeloGioacchino Del Regno + */ + +#include +#include +#include + +#include "clk-cpumux.h" +#include "clk-gate.h" +#include "clk-mtk.h" +#include "reset.h" + +#define GATE_INFRA(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &infra_cg_regs, _shift, &mtk_clk_gate_ops_setclr) + +static const struct mtk_gate_regs infra_cg_regs = { + .set_ofs = 0x40, + .clr_ofs = 0x44, + .sta_ofs = 0x48, +}; + +static const char * const infra_mux1_parents[] = { + "clkxtal", + "armpll", + "main_core_en", + "armpll" +}; + +static const struct mtk_composite cpu_muxes[] = { + MUX(CLK_INFRA_MUX1_SEL, "infra_mux1_sel", infra_mux1_parents, 0x000, 2, 2), +}; + +static const struct mtk_gate infra_clks[] = { + GATE_INFRA(CLK_INFRA_DBGCLK_PD, "infra_dbgclk_pd", "axi_sel", 0), + GATE_INFRA(CLK_INFRA_TRNG, "trng_ck", "axi_sel", 2), + GATE_INFRA(CLK_INFRA_AUDIO_PD, "infra_audio_pd", "aud_intbus_sel", 5), + GATE_INFRA(CLK_INFRA_IRRX_PD, "infra_irrx_pd", "irrx_sel", 16), + GATE_INFRA(CLK_INFRA_APXGPT_PD, "infra_apxgpt_pd", "f10m_ref_sel", 18), + GATE_INFRA(CLK_INFRA_PMIC_PD, "infra_pmic_pd", "pmicspi_sel", 22), +}; + +static u16 infrasys_rst_ofs[] = { 0x30 }; + +static const struct mtk_clk_rst_desc clk_rst_desc = { + .version = MTK_RST_SIMPLE, + .rst_bank_ofs = infrasys_rst_ofs, + .rst_bank_nr = ARRAY_SIZE(infrasys_rst_ofs), +}; + +static const struct of_device_id of_match_clk_mt7622_infracfg[] = { + { .compatible = "mediatek,mt7622-infracfg" }, + { /* sentinel */ } +}; + +static int clk_mt7622_infracfg_probe(struct platform_device *pdev) +{ + struct clk_hw_onecell_data *clk_data; + struct device_node *node = pdev->dev.of_node; + void __iomem *base; + int ret; + + base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(base)) + return PTR_ERR(base); + + clk_data = mtk_alloc_clk_data(CLK_INFRA_NR_CLK); + if (!clk_data) + return -ENOMEM; + + ret = mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc); + if (ret) + goto free_clk_data; + + ret = mtk_clk_register_gates(&pdev->dev, node, infra_clks, + ARRAY_SIZE(infra_clks), clk_data); + if (ret) + goto free_clk_data; + + ret = mtk_clk_register_cpumuxes(&pdev->dev, node, cpu_muxes, + ARRAY_SIZE(cpu_muxes), clk_data); + if (ret) + goto unregister_gates; + + ret = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); + if (ret) + goto unregister_cpumuxes; + + return 0; + +unregister_cpumuxes: + mtk_clk_unregister_cpumuxes(cpu_muxes, ARRAY_SIZE(cpu_muxes), clk_data); +unregister_gates: + mtk_clk_unregister_gates(infra_clks, ARRAY_SIZE(infra_clks), clk_data); +free_clk_data: + mtk_free_clk_data(clk_data); + return ret; +} + +static int clk_mt7622_infracfg_remove(struct platform_device *pdev) +{ + struct device_node *node = pdev->dev.of_node; + struct clk_hw_onecell_data *clk_data = platform_get_drvdata(pdev); + + of_clk_del_provider(node); + mtk_clk_unregister_cpumuxes(cpu_muxes, ARRAY_SIZE(cpu_muxes), clk_data); + mtk_clk_unregister_gates(infra_clks, ARRAY_SIZE(infra_clks), clk_data); + mtk_free_clk_data(clk_data); + + return 0; +} + +static struct platform_driver clk_mt7622_infracfg_drv = { + .driver = { + .name = "clk-mt7622-infracfg", + .of_match_table = of_match_clk_mt7622_infracfg, + }, + .probe = clk_mt7622_infracfg_probe, + .remove = clk_mt7622_infracfg_remove, +}; +module_platform_driver(clk_mt7622_infracfg_drv); + +MODULE_DESCRIPTION("MediaTek MT7622 infracfg clocks driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/clk/mediatek/clk-mt7622.c b/drivers/clk/mediatek/clk-mt7622.c index 6cf74c948ac7..fb813f8d3a7d 100644 --- a/drivers/clk/mediatek/clk-mt7622.c +++ b/drivers/clk/mediatek/clk-mt7622.c @@ -18,9 +18,6 @@ #include #include /* for consumer */ -#define GATE_INFRA(_id, _name, _parent, _shift) \ - GATE_MTK(_id, _name, _parent, &infra_cg_regs, _shift, &mtk_clk_gate_ops_setclr) - #define GATE_TOP0(_id, _name, _parent, _shift) \ GATE_MTK(_id, _name, _parent, &top0_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr) @@ -39,13 +36,6 @@ static DEFINE_SPINLOCK(mt7622_clk_lock); -static const char * const infra_mux1_parents[] = { - "clkxtal", - "armpll", - "main_core_en", - "armpll" -}; - static const char * const axi_parents[] = { "clkxtal", "syspll1_d2", @@ -225,12 +215,6 @@ static const char * const peribus_ck_parents[] = { "syspll1_d4" }; -static const struct mtk_gate_regs infra_cg_regs = { - .set_ofs = 0x40, - .clr_ofs = 0x44, - .sta_ofs = 0x48, -}; - static const struct mtk_gate_regs top0_cg_regs = { .set_ofs = 0x120, .clr_ofs = 0x120, @@ -255,15 +239,6 @@ static const struct mtk_gate_regs peri1_cg_regs = { .sta_ofs = 0x1C, }; -static const struct mtk_gate infra_clks[] = { - GATE_INFRA(CLK_INFRA_DBGCLK_PD, "infra_dbgclk_pd", "axi_sel", 0), - GATE_INFRA(CLK_INFRA_TRNG, "trng_ck", "axi_sel", 2), - GATE_INFRA(CLK_INFRA_AUDIO_PD, "infra_audio_pd", "aud_intbus_sel", 5), - GATE_INFRA(CLK_INFRA_IRRX_PD, "infra_irrx_pd", "irrx_sel", 16), - GATE_INFRA(CLK_INFRA_APXGPT_PD, "infra_apxgpt_pd", "f10m_ref_sel", 18), - GATE_INFRA(CLK_INFRA_PMIC_PD, "infra_pmic_pd", "pmicspi_sel", 22), -}; - static const struct mtk_fixed_clk top_fixed_clks[] = { FIXED_CLK(CLK_TOP_TO_U2_PHY, "to_u2_phy", "clkxtal", 31250000), @@ -408,11 +383,6 @@ static const struct mtk_gate peri_clks[] = { GATE_PERI1(CLK_PERI_IRTX_PD, "peri_irtx_pd", "irtx_sel", 2), }; -static struct mtk_composite infra_muxes[] = { - MUX(CLK_INFRA_MUX1_SEL, "infra_mux1_sel", infra_mux1_parents, - 0x000, 2, 2), -}; - static struct mtk_composite top_muxes[] = { /* CLK_CFG_0 */ MUX_GATE_FLAGS(CLK_TOP_AXI_SEL, "axi_sel", axi_parents, @@ -512,22 +482,12 @@ 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_ofs = infrasys_rst_ofs, - .rst_bank_nr = ARRAY_SIZE(infrasys_rst_ofs), - }, - /* pericfg */ - { - .version = MTK_RST_SIMPLE, - .rst_bank_ofs = pericfg_rst_ofs, - .rst_bank_nr = ARRAY_SIZE(pericfg_rst_ofs), - }, +static const struct mtk_clk_rst_desc clk_rst_desc = { + .version = MTK_RST_SIMPLE, + .rst_bank_ofs = pericfg_rst_ofs, + .rst_bank_nr = ARRAY_SIZE(pericfg_rst_ofs), }; static int mtk_topckgen_init(struct platform_device *pdev) @@ -561,31 +521,6 @@ static int mtk_topckgen_init(struct platform_device *pdev) return of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); } -static int mtk_infrasys_init(struct platform_device *pdev) -{ - struct device_node *node = pdev->dev.of_node; - struct clk_hw_onecell_data *clk_data; - int r; - - clk_data = mtk_alloc_clk_data(CLK_INFRA_NR_CLK); - - mtk_clk_register_gates(&pdev->dev, node, infra_clks, - ARRAY_SIZE(infra_clks), clk_data); - - mtk_clk_register_cpumuxes(&pdev->dev, node, infra_muxes, - ARRAY_SIZE(infra_muxes), clk_data); - - r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, - clk_data); - if (r) - return r; - - mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc[0]); - - return 0; -} - - static int mtk_pericfg_init(struct platform_device *pdev) { struct clk_hw_onecell_data *clk_data; @@ -610,16 +545,13 @@ static int mtk_pericfg_init(struct platform_device *pdev) if (r) return r; - mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc[1]); + mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc); return 0; } static const struct of_device_id of_match_clk_mt7622[] = { { - .compatible = "mediatek,mt7622-infracfg", - .data = mtk_infrasys_init, - }, { .compatible = "mediatek,mt7622-topckgen", .data = mtk_topckgen_init, }, {