From patchwork Wed Dec 21 17:55:18 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomer Maimon X-Patchwork-Id: 1718422 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=2404:9400:2:0:216:3eff:fee1:b9f1; helo=lists.ozlabs.org; envelope-from=openbmc-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org; receiver=) Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2404:9400:2:0:216:3eff:fee1:b9f1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4Nch2j5brWz1ydb for ; Thu, 22 Dec 2022 04:56:29 +1100 (AEDT) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4Nch2j4lZkz3c6W for ; Thu, 22 Dec 2022 04:56:29 +1100 (AEDT) X-Original-To: openbmc@lists.ozlabs.org Delivered-To: openbmc@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=fail (SPF fail - not authorized) smtp.mailfrom=nuvoton.com (client-ip=212.199.177.27; helo=herzl.nuvoton.co.il; envelope-from=tomer.maimon@nuvoton.com; receiver=) Received: from herzl.nuvoton.co.il (unknown [212.199.177.27]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4Nch1n62jqz3bbD for ; Thu, 22 Dec 2022 04:55:37 +1100 (AEDT) Received: from NTILML01.nuvoton.com (ntil-fw [212.199.177.25]) by herzl.nuvoton.co.il (8.13.8/8.13.8) with ESMTP id 2BLHtR2e012686 for ; Wed, 21 Dec 2022 19:55:27 +0200 Received: from NTHCCAS03.nuvoton.com (10.1.20.28) by NTILML01.nuvoton.com (10.190.1.56) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.14; Wed, 21 Dec 2022 19:55:26 +0200 Received: from NTHCCAS01.nuvoton.com (10.1.8.28) by NTHCCAS03.nuvoton.com (10.1.20.28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1847.3; Thu, 22 Dec 2022 01:55:23 +0800 Received: from taln60.nuvoton.co.il (10.191.1.180) by NTHCCAS01.nuvoton.com (10.1.12.25) with Microsoft SMTP Server id 15.1.2375.7 via Frontend Transport; Thu, 22 Dec 2022 01:55:23 +0800 Received: by taln60.nuvoton.co.il (Postfix, from userid 10070) id A396963A1E; Wed, 21 Dec 2022 19:55:22 +0200 (IST) From: Tomer Maimon To: Subject: [PATCH linux dev-6.0 v1 1/2] dt-bindings: mmc: npcm,sdhci: Document NPCM SDHCI controller Date: Wed, 21 Dec 2022 19:55:18 +0200 Message-ID: <20221221175520.263549-2-tmaimon77@gmail.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20221221175520.263549-1-tmaimon77@gmail.com> References: <20221221175520.263549-1-tmaimon77@gmail.com> MIME-Version: 1.0 X-BeenThere: openbmc@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development list for OpenBMC List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Joel Stanley , Tomer Maimon Errors-To: openbmc-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "openbmc" Add binding for Nuvoton NPCM SDHCI controller. Signed-off-by: Tomer Maimon --- .../devicetree/bindings/mmc/npcm,sdhci.yaml | 45 +++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 Documentation/devicetree/bindings/mmc/npcm,sdhci.yaml diff --git a/Documentation/devicetree/bindings/mmc/npcm,sdhci.yaml b/Documentation/devicetree/bindings/mmc/npcm,sdhci.yaml new file mode 100644 index 000000000000..196fdbfa16ed --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/npcm,sdhci.yaml @@ -0,0 +1,45 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mmc/npcm,sdhci.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NPCM SDHCI Controller + +maintainers: + - Tomer Maimon + +allOf: + - $ref: mmc-controller.yaml# + +properties: + compatible: + enum: + - nuvoton,npcm750-sdhci + - nuvoton,npcm845-sdhci + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - clocks + +unevaluatedProperties: false + +examples: + - | + mmc@f0840000 { + compatible = "nuvoton,npcm750-sdhci"; + reg = <0xf0840000 0x200>; + interrupts = <0 27 4>; + clocks = <&clk 4>; + }; From patchwork Wed Dec 21 17:55:19 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomer Maimon X-Patchwork-Id: 1718423 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=2404:9400:2:0:216:3eff:fee1:b9f1; helo=lists.ozlabs.org; envelope-from=openbmc-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org; receiver=) Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2404:9400:2:0:216:3eff:fee1:b9f1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4Nch3K50dRz1ydb for ; Thu, 22 Dec 2022 04:57:01 +1100 (AEDT) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4Nch3K2sySz3cBh for ; Thu, 22 Dec 2022 04:57:01 +1100 (AEDT) X-Original-To: openbmc@lists.ozlabs.org Delivered-To: openbmc@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=fail (SPF fail - not authorized) smtp.mailfrom=nuvoton.com (client-ip=212.199.177.27; helo=herzl.nuvoton.co.il; envelope-from=tomer.maimon@nuvoton.com; receiver=) Received: from herzl.nuvoton.co.il (unknown [212.199.177.27]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4Nch1n5CJGz3bW0 for ; Thu, 22 Dec 2022 04:55:37 +1100 (AEDT) Received: from NTILML01.nuvoton.com (ntil-fw [212.199.177.25]) by herzl.nuvoton.co.il (8.13.8/8.13.8) with ESMTP id 2BLHtRsx012683 for ; Wed, 21 Dec 2022 19:55:27 +0200 Received: from NTHCCAS04.nuvoton.com (10.1.8.29) by NTILML01.nuvoton.com (10.190.1.56) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.1.2176.14; Wed, 21 Dec 2022 19:55:26 +0200 Received: from NTHCCAS04.nuvoton.com (10.1.8.29) by NTHCCAS04.nuvoton.com (10.1.8.29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Thu, 22 Dec 2022 01:55:24 +0800 Received: from taln60.nuvoton.co.il (10.191.1.180) by NTHCCAS04.nuvoton.com (10.1.12.25) with Microsoft SMTP Server id 15.1.2176.2 via Frontend Transport; Thu, 22 Dec 2022 01:55:23 +0800 Received: by taln60.nuvoton.co.il (Postfix, from userid 10070) id 1E88563A6B; Wed, 21 Dec 2022 19:55:23 +0200 (IST) From: Tomer Maimon To: Subject: [PATCH linux dev-6.0 v1 2/2] mmc: sdhci-npcm: Add NPCM SDHCI driver Date: Wed, 21 Dec 2022 19:55:19 +0200 Message-ID: <20221221175520.263549-3-tmaimon77@gmail.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20221221175520.263549-1-tmaimon77@gmail.com> References: <20221221175520.263549-1-tmaimon77@gmail.com> MIME-Version: 1.0 X-BeenThere: openbmc@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development list for OpenBMC List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Joel Stanley , Tomer Maimon Errors-To: openbmc-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "openbmc" Add Nuvoton NPCM BMC sdhci-pltfm controller driver. Signed-off-by: Tomer Maimon --- drivers/mmc/host/Kconfig | 8 ++++ drivers/mmc/host/Makefile | 1 + drivers/mmc/host/sdhci-npcm.c | 84 +++++++++++++++++++++++++++++++++++ 3 files changed, 93 insertions(+) create mode 100644 drivers/mmc/host/sdhci-npcm.c diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index 97a6ea4a3ac7..ad9432fdca27 100644 --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -414,6 +414,14 @@ config MMC_SDHCI_MILBEAUT If unsure, say N. +config MMC_SDHCI_NPCM + tristate "Secure Digital Host Controller Interface support for NPCM" + depends on ARCH_NPCM || COMPILE_TEST + depends on MMC_SDHCI_PLTFM + help + This provides support for the SD/eMMC controller found in + NPCM BMC family SoCs. + config MMC_SDHCI_IPROC tristate "SDHCI support for the BCM2835 & iProc SD/MMC Controller" depends on ARCH_BCM2835 || ARCH_BCM_IPROC || ARCH_BRCMSTB || COMPILE_TEST diff --git a/drivers/mmc/host/Makefile b/drivers/mmc/host/Makefile index 4e4ceb32c4b4..a101f87a5f19 100644 --- a/drivers/mmc/host/Makefile +++ b/drivers/mmc/host/Makefile @@ -97,6 +97,7 @@ obj-$(CONFIG_MMC_SDHCI_MICROCHIP_PIC32) += sdhci-pic32.o obj-$(CONFIG_MMC_SDHCI_BRCMSTB) += sdhci-brcmstb.o obj-$(CONFIG_MMC_SDHCI_OMAP) += sdhci-omap.o obj-$(CONFIG_MMC_SDHCI_SPRD) += sdhci-sprd.o +obj-$(CONFIG_MMC_SDHCI_NPCM) += sdhci-npcm.o obj-$(CONFIG_MMC_CQHCI) += cqhci.o cqhci-y += cqhci-core.o cqhci-$(CONFIG_MMC_CRYPTO) += cqhci-crypto.o diff --git a/drivers/mmc/host/sdhci-npcm.c b/drivers/mmc/host/sdhci-npcm.c new file mode 100644 index 000000000000..beace15b6c00 --- /dev/null +++ b/drivers/mmc/host/sdhci-npcm.c @@ -0,0 +1,84 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * NPCM SDHC MMC host controller driver. + * + * Copyright (c) 2020 Nuvoton Technology corporation. + */ + +#include +#include +#include +#include +#include +#include + +#include "sdhci-pltfm.h" + +static const struct sdhci_pltfm_data npcm_sdhci_pdata = { + .quirks = SDHCI_QUIRK_DELAY_AFTER_POWER, + .quirks2 = SDHCI_QUIRK2_STOP_WITH_TC | + SDHCI_QUIRK2_NO_1_8_V, +}; + +static int npcm_sdhci_probe(struct platform_device *pdev) +{ + struct sdhci_pltfm_host *pltfm_host; + struct sdhci_host *host; + u32 caps; + int ret; + + host = sdhci_pltfm_init(pdev, &npcm_sdhci_pdata, 0); + if (IS_ERR(host)) + return PTR_ERR(host); + + pltfm_host = sdhci_priv(host); + + pltfm_host->clk = devm_clk_get_optional(&pdev->dev, NULL); + if (IS_ERR(pltfm_host->clk)) + return PTR_ERR(pltfm_host->clk); + + ret = clk_prepare_enable(pltfm_host->clk); + if (ret) + return ret; + + caps = sdhci_readl(host, SDHCI_CAPABILITIES); + if (caps & SDHCI_CAN_DO_8BIT) + host->mmc->caps |= MMC_CAP_8_BIT_DATA; + + ret = mmc_of_parse(host->mmc); + if (ret) + goto err_sdhci_add; + + ret = sdhci_add_host(host); + if (ret) + goto err_sdhci_add; + + return 0; + +err_sdhci_add: + clk_disable_unprepare(pltfm_host->clk); + sdhci_pltfm_free(pdev); + return ret; +} + +static const struct of_device_id npcm_sdhci_of_match[] = { + { .compatible = "nuvoton,npcm750-sdhci" }, + { .compatible = "nuvoton,npcm845-sdhci" }, + { } +}; +MODULE_DEVICE_TABLE(of, npcm_sdhci_of_match); + +static struct platform_driver npcm_sdhci_driver = { + .driver = { + .name = "npcm-sdhci", + .of_match_table = npcm_sdhci_of_match, + .pm = &sdhci_pltfm_pmops, + }, + .probe = npcm_sdhci_probe, + .remove = sdhci_pltfm_unregister, +}; +module_platform_driver(npcm_sdhci_driver); + +MODULE_DESCRIPTION("NPCM Secure Digital Host Controller Interface driver"); +MODULE_AUTHOR("Tomer Maimon "); +MODULE_LICENSE("GPL");