From patchwork Thu Jun 13 01:51:18 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shengjiu Wang X-Patchwork-Id: 13695880 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8C4C8C27C53 for ; Thu, 13 Jun 2024 02:08:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Cc:MIME-Version:Content-Type: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=KZIeofNM/O9zb9EYcY95j0EAf2raMxCcfd8TZDcR2r0=; b=wkkll/zJDyH+vzWUDg62Gv5pyR wP5ozBkpAT1i0RcH8GOAuudAJ38OqYoDlI4NXGFjU+OKI1tRE+yKciWeJHV+l9BtcCt+OFMS6RSGG 8j0S0mZ9K32yac8Fvw6mAtvpCP6j11sZMIfDSnApmdgJQOztueq185MkO1Bo/0o+3QC4PKYQfsNjG wlrtESu3IKchYoYd3DKHf+BasqOsBLIrNIN4UO4Yu17jfj5q4cPdRKMmBRqStEw5bpvf2MskXo67q pw9QJvbaRPOC+sW5cqIOInABYTRlbnCbXWqOsXEU86PEWdgZmpdmDhZIYiXWVHn/N2mpjkcGES1sW ly0iDQWQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sHZsm-0000000Eo2w-073B; Thu, 13 Jun 2024 02:08:08 +0000 Received: from inva020.nxp.com ([92.121.34.13]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sHZsh-0000000EnzT-31Us for linux-arm-kernel@lists.infradead.org; Thu, 13 Jun 2024 02:08:05 +0000 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id D217D1A152F; Thu, 13 Jun 2024 04:08:01 +0200 (CEST) Received: from aprdc01srsp001v.ap-rdc01.nxp.com (aprdc01srsp001v.ap-rdc01.nxp.com [165.114.16.16]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 8418D1A1501; Thu, 13 Jun 2024 04:08:01 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by aprdc01srsp001v.ap-rdc01.nxp.com (Postfix) with ESMTP id 1F690180222A; Thu, 13 Jun 2024 10:07:59 +0800 (+08) From: Shengjiu Wang To: p.zabel@pengutronix.de, abelvesa@kernel.org, peng.fan@nxp.com, mturquette@baylibre.com, sboyd@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, marex@denx.de, linux-clk@vger.kernel.org, imx@lists.linux.dev, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, shengjiu.wang@gmail.com Subject: [PATCH v7 1/5] dt-bindings: clock: imx8mp: Add #reset-cells property Date: Thu, 13 Jun 2024 09:51:18 +0800 Message-Id: <1718243482-18552-2-git-send-email-shengjiu.wang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1718243482-18552-1-git-send-email-shengjiu.wang@nxp.com> References: <1718243482-18552-1-git-send-email-shengjiu.wang@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240612_190804_050903_205DF7FE X-CRM114-Status: UNSURE ( 7.92 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The Audio Block Control contains clock distribution and gating controls, as well as reset handling to several of the AUDIOMIX peripherals. Especially the reset controls for Enhanced Audio Return Channel (EARC) PHY and Controller. So make Audio Block Control a reset provider for EARC, which is one of modules in this audio subsystem. Signed-off-by: Shengjiu Wang Acked-by: Krzysztof Kozlowski --- Documentation/devicetree/bindings/clock/imx8mp-audiomix.yaml | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/clock/imx8mp-audiomix.yaml b/Documentation/devicetree/bindings/clock/imx8mp-audiomix.yaml index 0a6dc1a6e122..6588a17a7d9a 100644 --- a/Documentation/devicetree/bindings/clock/imx8mp-audiomix.yaml +++ b/Documentation/devicetree/bindings/clock/imx8mp-audiomix.yaml @@ -44,6 +44,9 @@ properties: ID in its "clocks" phandle cell. See include/dt-bindings/clock/imx8mp-clock.h for the full list of i.MX8MP IMX8MP_CLK_AUDIOMIX_ clock IDs. + '#reset-cells': + const: 1 + required: - compatible - reg From patchwork Thu Jun 13 01:51:19 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shengjiu Wang X-Patchwork-Id: 13695881 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1E41AC27C53 for ; Thu, 13 Jun 2024 02:08:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Cc:MIME-Version:Content-Type: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=i8Pd9TkHES9TjS1xw67meeYHU341Q4OItckgIixOceU=; b=PhVi+bSFvkcrmFqFVrmptzc19N LAobpnlWgWBloKyRDrfkh69T6bsaDO1aSzPO/BTFfDakUAgv3elq//61jbhyYbLrKBd9BWb1SWRKn Tu8WLBb/p68EeCV4P1Qa6UkLSnnDw/iPSM5HxNMtyctYtXKA0HDeaWj+LCxB3nrRYpNeWKb4yS/E5 NDIpNYdVhk43og+rDt2EUxMVvtbwwp9xGdZMbkLJHWAjJBWxszRlrj7v+y7yt/CLwbaqQirOYbsLr 4hnf5szxg0QzAm5RY/LJ6/OvwQd5XM2G5Egf82AUi3hiQ1nhYG6CdipBDa0fg2GnCVZEKbpk7TRQR piJttDnQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sHZsw-0000000Eo8q-3LiL; Thu, 13 Jun 2024 02:08:18 +0000 Received: from inva020.nxp.com ([92.121.34.13]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sHZsi-0000000Eo0Z-3I9s for linux-arm-kernel@lists.infradead.org; Thu, 13 Jun 2024 02:08:07 +0000 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 336331A1526; Thu, 13 Jun 2024 04:08:03 +0200 (CEST) Received: from aprdc01srsp001v.ap-rdc01.nxp.com (aprdc01srsp001v.ap-rdc01.nxp.com [165.114.16.16]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 9A6D41A1503; Thu, 13 Jun 2024 04:08:02 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by aprdc01srsp001v.ap-rdc01.nxp.com (Postfix) with ESMTP id C27BB181D0FD; Thu, 13 Jun 2024 10:08:00 +0800 (+08) From: Shengjiu Wang To: p.zabel@pengutronix.de, abelvesa@kernel.org, peng.fan@nxp.com, mturquette@baylibre.com, sboyd@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, marex@denx.de, linux-clk@vger.kernel.org, imx@lists.linux.dev, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, shengjiu.wang@gmail.com Subject: [PATCH v7 2/5] clk: imx: clk-audiomix: Add reset controller Date: Thu, 13 Jun 2024 09:51:19 +0800 Message-Id: <1718243482-18552-3-git-send-email-shengjiu.wang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1718243482-18552-1-git-send-email-shengjiu.wang@nxp.com> References: <1718243482-18552-1-git-send-email-shengjiu.wang@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240612_190805_118008_F185DD04 X-CRM114-Status: GOOD ( 15.34 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Audiomix block control can be a reset controller for Enhanced Audio Return Channel (EARC), which is one of modules in this audiomix subsystem. The reset controller is supported by the auxiliary device framework. Signed-off-by: Shengjiu Wang Reviewed-by: Frank Li --- drivers/clk/imx/Kconfig | 1 + drivers/clk/imx/clk-imx8mp-audiomix.c | 63 +++++++++++++++++++++++++++ 2 files changed, 64 insertions(+) diff --git a/drivers/clk/imx/Kconfig b/drivers/clk/imx/Kconfig index 6da0fba68225..9edfb030bea9 100644 --- a/drivers/clk/imx/Kconfig +++ b/drivers/clk/imx/Kconfig @@ -81,6 +81,7 @@ config CLK_IMX8MP tristate "IMX8MP CCM Clock Driver" depends on ARCH_MXC || COMPILE_TEST select MXC_CLK + select AUXILIARY_BUS help Build the driver for i.MX8MP CCM Clock Driver diff --git a/drivers/clk/imx/clk-imx8mp-audiomix.c b/drivers/clk/imx/clk-imx8mp-audiomix.c index b381d6f784c8..517b1f88661b 100644 --- a/drivers/clk/imx/clk-imx8mp-audiomix.c +++ b/drivers/clk/imx/clk-imx8mp-audiomix.c @@ -5,6 +5,7 @@ * Copyright (C) 2022 Marek Vasut */ +#include #include #include #include @@ -13,6 +14,7 @@ #include #include #include +#include #include @@ -217,6 +219,63 @@ struct clk_imx8mp_audiomix_priv { struct clk_hw_onecell_data clk_data; }; +#if IS_ENABLED(CONFIG_RESET_CONTROLLER) + +static void clk_imx8mp_audiomix_reset_unregister_adev(void *_adev) +{ + struct auxiliary_device *adev = _adev; + + auxiliary_device_delete(adev); + auxiliary_device_uninit(adev); +} + +static void clk_imx8mp_audiomix_reset_adev_release(struct device *dev) +{ + struct auxiliary_device *adev = to_auxiliary_dev(dev); + + kfree(adev); +} + +static int clk_imx8mp_audiomix_reset_controller_register(struct device *dev, + struct clk_imx8mp_audiomix_priv *priv) +{ + struct auxiliary_device *adev __free(kfree) = NULL; + int ret; + + if (!of_property_present(dev->of_node, "#reset-cells")) + return 0; + + adev = kzalloc(sizeof(*adev), GFP_KERNEL); + if (!adev) + return -ENOMEM; + + adev->name = "reset"; + adev->dev.parent = dev; + adev->dev.release = clk_imx8mp_audiomix_reset_adev_release; + + ret = auxiliary_device_init(adev); + if (ret) + return ret; + + ret = auxiliary_device_add(adev); + if (ret) { + auxiliary_device_uninit(adev); + return ret; + } + + return devm_add_action_or_reset(dev, clk_imx8mp_audiomix_reset_unregister_adev, + no_free_ptr(adev)); +} + +#else /* !CONFIG_RESET_CONTROLLER */ + +static int clk_imx8mp_audiomix_reset_controller_register(struct clk_imx8mp_audiomix_priv *priv) +{ + return 0; +} + +#endif /* !CONFIG_RESET_CONTROLLER */ + static void clk_imx8mp_audiomix_save_restore(struct device *dev, bool save) { struct clk_imx8mp_audiomix_priv *priv = dev_get_drvdata(dev); @@ -337,6 +396,10 @@ static int clk_imx8mp_audiomix_probe(struct platform_device *pdev) if (ret) goto err_clk_register; + ret = clk_imx8mp_audiomix_reset_controller_register(dev, priv); + if (ret) + goto err_clk_register; + pm_runtime_put_sync(dev); return 0; From patchwork Thu Jun 13 01:51:20 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shengjiu Wang X-Patchwork-Id: 13695883 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 51E0BC27C53 for ; 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Thu, 13 Jun 2024 02:08:19 +0000 Received: from inva021.nxp.com ([92.121.34.21]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sHZsk-0000000Eo1d-2kGe for linux-arm-kernel@lists.infradead.org; Thu, 13 Jun 2024 02:08:09 +0000 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 67BB22002A5; Thu, 13 Jun 2024 04:08:05 +0200 (CEST) Received: from aprdc01srsp001v.ap-rdc01.nxp.com (aprdc01srsp001v.ap-rdc01.nxp.com [165.114.16.16]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id BDA42201460; Thu, 13 Jun 2024 04:08:04 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by aprdc01srsp001v.ap-rdc01.nxp.com (Postfix) with ESMTP id 65607181D0F9; Thu, 13 Jun 2024 10:08:02 +0800 (+08) From: Shengjiu Wang To: p.zabel@pengutronix.de, abelvesa@kernel.org, peng.fan@nxp.com, mturquette@baylibre.com, sboyd@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, marex@denx.de, linux-clk@vger.kernel.org, imx@lists.linux.dev, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, shengjiu.wang@gmail.com Subject: [PATCH v7 3/5] reset: imx8mp-audiomix: Add AudioMix Block Control reset driver Date: Thu, 13 Jun 2024 09:51:20 +0800 Message-Id: <1718243482-18552-4-git-send-email-shengjiu.wang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1718243482-18552-1-git-send-email-shengjiu.wang@nxp.com> References: <1718243482-18552-1-git-send-email-shengjiu.wang@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240612_190807_075332_22E35A31 X-CRM114-Status: GOOD ( 19.15 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add support for the resets on i.MX8MP Audio Block Control module, which includes the EARC PHY software reset and EARC controller software reset. The reset controller is created using the auxiliary device framework and set up in the clock driver. Signed-off-by: Shengjiu Wang Reviewed-by: Marco Felsch --- drivers/reset/Kconfig | 8 ++ drivers/reset/Makefile | 1 + drivers/reset/reset-imx8mp-audiomix.c | 103 ++++++++++++++++++++++++++ 3 files changed, 112 insertions(+) create mode 100644 drivers/reset/reset-imx8mp-audiomix.c diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig index 7112f5932609..b3c0e528d08c 100644 --- a/drivers/reset/Kconfig +++ b/drivers/reset/Kconfig @@ -91,6 +91,14 @@ config RESET_IMX7 help This enables the reset controller driver for i.MX7 SoCs. +config RESET_IMX8MP_AUDIOMIX + tristate "i.MX8MP AudioMix Reset Driver" + depends on CLK_IMX8MP + select AUXILIARY_BUS + default CLK_IMX8MP + help + This enables the reset controller driver for i.MX8MP AudioMix + config RESET_INTEL_GW bool "Intel Reset Controller Driver" depends on X86 || COMPILE_TEST diff --git a/drivers/reset/Makefile b/drivers/reset/Makefile index fd8b49fa46fc..a6796e83900b 100644 --- a/drivers/reset/Makefile +++ b/drivers/reset/Makefile @@ -14,6 +14,7 @@ obj-$(CONFIG_RESET_BRCMSTB_RESCAL) += reset-brcmstb-rescal.o obj-$(CONFIG_RESET_GPIO) += reset-gpio.o obj-$(CONFIG_RESET_HSDK) += reset-hsdk.o obj-$(CONFIG_RESET_IMX7) += reset-imx7.o +obj-$(CONFIG_RESET_IMX8MP_AUDIOMIX) += reset-imx8mp-audiomix.o obj-$(CONFIG_RESET_INTEL_GW) += reset-intel-gw.o obj-$(CONFIG_RESET_K210) += reset-k210.o obj-$(CONFIG_RESET_LANTIQ) += reset-lantiq.o diff --git a/drivers/reset/reset-imx8mp-audiomix.c b/drivers/reset/reset-imx8mp-audiomix.c new file mode 100644 index 000000000000..f3f9f5420c14 --- /dev/null +++ b/drivers/reset/reset-imx8mp-audiomix.c @@ -0,0 +1,103 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright 2024 NXP + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define EARC 0x200 +#define EARC_RESET_MASK 0x3 + +struct imx8mp_audiomix_reset_priv { + struct reset_controller_dev rcdev; + void __iomem *base; +}; + +static int imx8mp_audiomix_reset_assert(struct reset_controller_dev *rcdev, + unsigned long id) +{ + struct imx8mp_audiomix_reset_priv *priv = container_of(rcdev, + struct imx8mp_audiomix_reset_priv, rcdev); + void __iomem *reg_addr = priv->base; + unsigned int mask, reg; + + if (id >= fls(EARC_RESET_MASK)) + return -EINVAL; + + mask = BIT(id); + reg = readl(reg_addr + EARC); + writel(reg & ~mask, reg_addr + EARC); + + return 0; +} + +static int imx8mp_audiomix_reset_deassert(struct reset_controller_dev *rcdev, + unsigned long id) +{ + struct imx8mp_audiomix_reset_priv *priv = container_of(rcdev, + struct imx8mp_audiomix_reset_priv, rcdev); + void __iomem *reg_addr = priv->base; + unsigned int mask, reg; + + if (id >= fls(EARC_RESET_MASK)) + return -EINVAL; + + mask = BIT(id); + reg = readl(reg_addr + EARC); + writel(reg | mask, reg_addr + EARC); + + return 0; +} + +static const struct reset_control_ops imx8mp_audiomix_reset_ops = { + .assert = imx8mp_audiomix_reset_assert, + .deassert = imx8mp_audiomix_reset_deassert, +}; + +static int imx8mp_audiomix_reset_probe(struct auxiliary_device *adev, + const struct auxiliary_device_id *id) +{ + struct imx8mp_audiomix_reset_priv *priv; + struct device *dev = &adev->dev; + + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + priv->rcdev.owner = THIS_MODULE; + priv->rcdev.nr_resets = fls(EARC_RESET_MASK); + priv->rcdev.ops = &imx8mp_audiomix_reset_ops; + priv->rcdev.of_node = dev->parent->of_node; + priv->rcdev.dev = dev; + priv->rcdev.of_reset_n_cells = 1; + priv->base = of_iomap(dev->parent->of_node, 0); + + return devm_reset_controller_register(dev, &priv->rcdev); +} + +static const struct auxiliary_device_id imx8mp_audiomix_reset_ids[] = { + { + .name = "clk_imx8mp_audiomix.reset", + }, + { } +}; +MODULE_DEVICE_TABLE(auxiliary, imx8mp_audiomix_reset_ids); + +static struct auxiliary_driver imx8mp_audiomix_reset_driver = { + .probe = imx8mp_audiomix_reset_probe, + .id_table = imx8mp_audiomix_reset_ids, +}; + +module_auxiliary_driver(imx8mp_audiomix_reset_driver); + +MODULE_AUTHOR("Shengjiu Wang "); +MODULE_DESCRIPTION("Freescale i.MX8MP Audio Block Controller reset driver"); +MODULE_LICENSE("GPL"); From patchwork Thu Jun 13 01:51:21 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shengjiu Wang X-Patchwork-Id: 13695882 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9CAA5C27C6E for ; Thu, 13 Jun 2024 02:08:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Cc:MIME-Version:Content-Type: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=dx1F22AD+eagSUy3gsUNepfF/Z7YLIG/8Gx1yAyzSUc=; b=KKhEXmgS3RtlJjC3PYxQtAYGwT OTQvTq4PDM4mItrf3eD414F9/NZskSDr/aiUG+qX//koaf6rEssLbk2rOgGgMlZve6+xEND9g1qf1 +QZWi+XEkA8AlV3GKEGQ5fSHLCfCz1ueUAkV+cav6ZzMmeqgA9lMlxmONQudHqGyLcn2NGhIEwyzp S1kXpaA5vj3XW8QvymL+Bt3Zcgwkf04Oj/JsN6+VSy43ieg51XLJDXnvlRyYDzvbVT6kmr0k/WTE3 Z9G74Ty1Ro09q0am/abOWoJnPktj7wFP/p9uIF7Yztdg/oAmGRuxt4w4ESZmf9UrF2TltzXgMeqBN vPXKswSQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sHZsz-0000000EoAa-0IUX; Thu, 13 Jun 2024 02:08:21 +0000 Received: from inva020.nxp.com ([92.121.34.13]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sHZsl-0000000Eo2B-41cS for linux-arm-kernel@lists.infradead.org; Thu, 13 Jun 2024 02:08:10 +0000 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id ADDEB1A1503; Thu, 13 Jun 2024 04:08:06 +0200 (CEST) Received: from aprdc01srsp001v.ap-rdc01.nxp.com (aprdc01srsp001v.ap-rdc01.nxp.com [165.114.16.16]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 5DCCB1A0AB5; Thu, 13 Jun 2024 04:08:06 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by aprdc01srsp001v.ap-rdc01.nxp.com (Postfix) with ESMTP id 07996181D0FD; Thu, 13 Jun 2024 10:08:03 +0800 (+08) From: Shengjiu Wang To: p.zabel@pengutronix.de, abelvesa@kernel.org, peng.fan@nxp.com, mturquette@baylibre.com, sboyd@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, marex@denx.de, linux-clk@vger.kernel.org, imx@lists.linux.dev, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, shengjiu.wang@gmail.com Subject: [PATCH v7 4/5] clk: imx: clk-audiomix: Add CLK_SET_RATE_PARENT flags for clocks Date: Thu, 13 Jun 2024 09:51:21 +0800 Message-Id: <1718243482-18552-5-git-send-email-shengjiu.wang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1718243482-18552-1-git-send-email-shengjiu.wang@nxp.com> References: <1718243482-18552-1-git-send-email-shengjiu.wang@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240612_190808_202021_4C56D8A9 X-CRM114-Status: GOOD ( 12.39 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add CLK_SET_RATE_PARENT flags that when the device driver sets the child clock rate, parent clock frequency can be refined accordingly. Signed-off-by: Shengjiu Wang Reviewed-by: Peng Fan --- drivers/clk/imx/clk-imx8mp-audiomix.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/clk/imx/clk-imx8mp-audiomix.c b/drivers/clk/imx/clk-imx8mp-audiomix.c index 517b1f88661b..7fd336a96cfe 100644 --- a/drivers/clk/imx/clk-imx8mp-audiomix.c +++ b/drivers/clk/imx/clk-imx8mp-audiomix.c @@ -328,12 +328,12 @@ static int clk_imx8mp_audiomix_probe(struct platform_device *pdev) for (i = 0; i < ARRAY_SIZE(sels); i++) { if (sels[i].num_parents == 1) { hw = devm_clk_hw_register_gate_parent_data(dev, - sels[i].name, &sels[i].parent, 0, + sels[i].name, &sels[i].parent, CLK_SET_RATE_PARENT, base + sels[i].reg, sels[i].shift, 0, NULL); } else { hw = devm_clk_hw_register_mux_parent_data_table(dev, sels[i].name, sels[i].parents, - sels[i].num_parents, 0, + sels[i].num_parents, CLK_SET_RATE_PARENT, base + sels[i].reg, sels[i].shift, sels[i].width, 0, NULL, NULL); @@ -376,7 +376,8 @@ static int clk_imx8mp_audiomix_probe(struct platform_device *pdev) clk_hw_data->hws[IMX8MP_CLK_AUDIOMIX_SAI_PLL_BYPASS] = hw; hw = devm_clk_hw_register_gate(dev, "sai_pll_out", "sai_pll_bypass", - 0, base + SAI_PLL_GNRL_CTL, 13, + CLK_SET_RATE_PARENT, + base + SAI_PLL_GNRL_CTL, 13, 0, NULL); if (IS_ERR(hw)) { ret = PTR_ERR(hw); @@ -385,7 +386,8 @@ static int clk_imx8mp_audiomix_probe(struct platform_device *pdev) clk_hw_data->hws[IMX8MP_CLK_AUDIOMIX_SAI_PLL_OUT] = hw; hw = devm_clk_hw_register_fixed_factor(dev, "sai_pll_out_div2", - "sai_pll_out", 0, 1, 2); + "sai_pll_out", + CLK_SET_RATE_PARENT, 1, 2); if (IS_ERR(hw)) { ret = PTR_ERR(hw); goto err_clk_register; From patchwork Thu Jun 13 01:51:22 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shengjiu Wang X-Patchwork-Id: 13695884 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 22A18C27C6E for ; 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Thu, 13 Jun 2024 02:08:22 +0000 Received: from inva020.nxp.com ([92.121.34.13]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sHZsn-0000000Eo3Z-2fci for linux-arm-kernel@lists.infradead.org; Thu, 13 Jun 2024 02:08:12 +0000 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 4ABCE1A0ABE; Thu, 13 Jun 2024 04:08:08 +0200 (CEST) Received: from aprdc01srsp001v.ap-rdc01.nxp.com (aprdc01srsp001v.ap-rdc01.nxp.com [165.114.16.16]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id F0D071A0AB5; Thu, 13 Jun 2024 04:08:07 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by aprdc01srsp001v.ap-rdc01.nxp.com (Postfix) with ESMTP id 9C1E2181D0F9; Thu, 13 Jun 2024 10:08:05 +0800 (+08) From: Shengjiu Wang To: p.zabel@pengutronix.de, abelvesa@kernel.org, peng.fan@nxp.com, mturquette@baylibre.com, sboyd@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, marex@denx.de, linux-clk@vger.kernel.org, imx@lists.linux.dev, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, shengjiu.wang@gmail.com Subject: [PATCH v7 5/5] clk: imx: clk-audiomix: Correct parent clock for earc_phy and audpll Date: Thu, 13 Jun 2024 09:51:22 +0800 Message-Id: <1718243482-18552-6-git-send-email-shengjiu.wang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1718243482-18552-1-git-send-email-shengjiu.wang@nxp.com> References: <1718243482-18552-1-git-send-email-shengjiu.wang@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240612_190809_885218_499CAF4E X-CRM114-Status: GOOD ( 10.35 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org According to Reference Manual of i.MX8MP The parent clock of "earc_phy" is "sai_pll_out_div2", The parent clock of "audpll" is "osc_24m". Add CLK_GATE_PARENT() macro for usage of specifying parent clock. Fixes: 6cd95f7b151c ("clk: imx: imx8mp: Add audiomix block control") Signed-off-by: Shengjiu Wang Reviewed-by: Peng Fan --- drivers/clk/imx/clk-imx8mp-audiomix.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/drivers/clk/imx/clk-imx8mp-audiomix.c b/drivers/clk/imx/clk-imx8mp-audiomix.c index 7fd336a96cfe..50ad5873c990 100644 --- a/drivers/clk/imx/clk-imx8mp-audiomix.c +++ b/drivers/clk/imx/clk-imx8mp-audiomix.c @@ -156,6 +156,15 @@ static const struct clk_parent_data clk_imx8mp_audiomix_pll_bypass_sels[] = { PDM_SEL, 2, 0 \ } +#define CLK_GATE_PARENT(gname, cname, pname) \ + { \ + gname"_cg", \ + IMX8MP_CLK_AUDIOMIX_##cname, \ + { .fw_name = pname, .name = pname }, NULL, 1, \ + CLKEN0 + 4 * !!(IMX8MP_CLK_AUDIOMIX_##cname / 32), \ + 1, IMX8MP_CLK_AUDIOMIX_##cname % 32 \ + } + struct clk_imx8mp_audiomix_sel { const char *name; int clkid; @@ -173,14 +182,14 @@ static struct clk_imx8mp_audiomix_sel sels[] = { CLK_GATE("earc", EARC_IPG), CLK_GATE("ocrama", OCRAMA_IPG), CLK_GATE("aud2htx", AUD2HTX_IPG), - CLK_GATE("earc_phy", EARC_PHY), + CLK_GATE_PARENT("earc_phy", EARC_PHY, "sai_pll_out_div2"), CLK_GATE("sdma2", SDMA2_ROOT), CLK_GATE("sdma3", SDMA3_ROOT), CLK_GATE("spba2", SPBA2_ROOT), CLK_GATE("dsp", DSP_ROOT), CLK_GATE("dspdbg", DSPDBG_ROOT), CLK_GATE("edma", EDMA_ROOT), - CLK_GATE("audpll", AUDPLL_ROOT), + CLK_GATE_PARENT("audpll", AUDPLL_ROOT, "osc_24m"), CLK_GATE("mu2", MU2_ROOT), CLK_GATE("mu3", MU3_ROOT), CLK_PDM,