From mboxrd@z Thu Jan 1 00:00:00 1970 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 B5082FF885A for ; Sun, 3 May 2026 08:35:53 +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:Cc:To:In-Reply-To:References :Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=cQUqKpseiXlQd/VoS7FXU0gNWFtXot4K0uLQjpjqL98=; b=xALwNTC4YEZzfn/WxT9EE67NrR SRRUZuI8I1ydsYBXFdj7FOmtC1Snl1MfAwBIV2se6mK+uGHgr52nARV3R9UBU64HA+2RL2JCD+zro VcE49U2GqPsWc8+3yXUeQwPu0RnnCVEZdk58Zsa447n0Jx7U7MtMJvzhtIY1B5TtiDF5c0lXHFHmO cvm9nCcllr59ez8NNE4iLXq4xq1C86R50IBNloNti4GpKuFpDXb4VKJmm8kizA048aS58c6ATfhJ+ ejYvmzdC6xx806+Ql1CwmHlFPb7BIJKyQz/omey+cdysbtl61/AmChF00A1GaBXR/1v36EoTAiDs/ sljRllLA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wJSIl-0000000AdrX-0kzL; Sun, 03 May 2026 08:35:47 +0000 Received: from mail-pf1-x42f.google.com ([2607:f8b0:4864:20::42f]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1wJSIj-0000000Adqi-0wO7 for linux-arm-kernel@lists.infradead.org; Sun, 03 May 2026 08:35:46 +0000 Received: by mail-pf1-x42f.google.com with SMTP id d2e1a72fcca58-836ebdeb969so21956b3a.3 for ; Sun, 03 May 2026 01:35:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1777797344; x=1778402144; darn=lists.infradead.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=cQUqKpseiXlQd/VoS7FXU0gNWFtXot4K0uLQjpjqL98=; b=Nanp2td/WPBsSseHeBcp8RnoG4XwsxMVq6kVPlfALG71vmO0lOya6idpZBOkizw9Fn SzAfONy7ubJjMJtobhv39Q1W9LSo6cmpGOS9eTypzwdLrzR8+VLX0v5Nap7hkDu5NONe 7encKGa4ih72CrjuiYf/xyXGMF7aUSfgqaTRLQHhS71sIlEHXFr1nBEoh65gzVbljaEK 0Ej2sEQR40oH5XtRqQNVwsjX7I2huz4sOzjaIcwDpMHjiHKeNMiJAeBEgr60EcI06yqg tP29bNaD3COm4FBsfQBxVie5D/TVFIwpuv+Z8IxQH+tGynIkKdjFDzHEV9o430rm9/58 DSAA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1777797344; x=1778402144; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-gg:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=cQUqKpseiXlQd/VoS7FXU0gNWFtXot4K0uLQjpjqL98=; b=bJlh4VfSiPrZKpW80s9q6Ef1vIew9/uwrq+fGj/NhHIRXQKGk6wVJkUeURSyzHNbFY vZuGNCZTdnH3QTC+rHriSlW2HwQrcCK7uRsVLdd4fsWAlbkWnRiz3LHSph4MzY9miPMo wXjFcEVkIZw6c5119fpFux7IebMOuUQzMdAuSuXpCWtEHJnS3rVZ1E4mulebWBCmW4U9 hD1+2lanox+7Ah7m025h8ke0d2ru2ojoEtz5+C5O9feUBzyoh9uR/xgk2LMqlgJ/mSYq CL3/WxYZfi4jI+Za8yopuHesAHTesX0BhJFT9EGsLptf+8rFdiBeAU9ZkOjP+4t2P0qk tcVg== X-Forwarded-Encrypted: i=1; AFNElJ+lsLj5/0FLP66NWe3ah9jSgaIC3ML8kiX+znLhk68eyeKXOt8RzWCf3VxhnpJCBj7zKAuCQC93E/p39iTfkyou@lists.infradead.org X-Gm-Message-State: AOJu0YxGFicrh6lITvcE8EwdXzFSG2K+N+9R93Q65wOFHfZVbFKCpepU fH5UCvf1++yf98E0rmbaGE0+0g6bNpmMI5+1lTcOVNo7JZPwA0lQxUKr1D791w== X-Gm-Gg: AeBDiestwA73XrVIny9l6mJ0VyCitRa+TOdtDdB9Zkj8+qt6AyF8Z2giLBOcjFjhs76 sUP5NXRUlkD0TeFBdJCbDDWXSgourQCNusumBnqc3W39f49uDi45BnFyEYZnhRX2vW2uBtqbibW XjGvKob/qH/ZJRQlXin9Axz08RP1f80m4Fr0H7ZTSZ3Hro+2T0XEnt77KKrds34OXqYlNZCIoOH dUnfKuQFDBRmM0q6eZx2yRwggFhd/ZOly+2K7SrN9VJw+tGscR4ji3zzeWo5+FVLoKVfUStMrR1 L2yMPv1RfRR3GPSvJY6Eu0iO+k7GE8zP1zS/1dByLTcqZ0gTzTiQ/Fxu01ycFWMvHWrZIn5SDps EVd+cAotSIyNbSabiWxsclQpH8ny5FeeWZZ8X/3Vhf3F7ML0ygAO2xOmjVGUQl5InvzDVLX67VB zDhiRD8YktTDxZaKHt54lWcGkFLeqv3TWPNusTrzvkkI0KiGLOYYdQMJQ= X-Received: by 2002:a05:6a00:4145:b0:824:3bd9:aac6 with SMTP id d2e1a72fcca58-8352d15f72cmr4706161b3a.16.1777797344272; Sun, 03 May 2026 01:35:44 -0700 (PDT) Received: from Black-Pearl.localdomain ([60.243.224.75]) by smtp.googlemail.com with ESMTPSA id d2e1a72fcca58-835446b1b0asm1578142b3a.8.2026.05.03.01.35.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 03 May 2026 01:35:43 -0700 (PDT) From: Charan Pedumuru Date: Sun, 03 May 2026 08:35:30 +0000 Subject: [PATCH v2 2/2] dt-bindings: mmc: st,sdhci: convert to DT schema MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260503-st-mmc-v2-2-11ae3216d2ce@gmail.com> References: <20260503-st-mmc-v2-0-11ae3216d2ce@gmail.com> In-Reply-To: <20260503-st-mmc-v2-0-11ae3216d2ce@gmail.com> To: Ulf Hansson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Peter Griffin , Patrice Chotard Cc: linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Charan Pedumuru X-Mailer: b4 0.15.2 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260503_013545_282222_B0DDF18D X-CRM114-Status: GOOD ( 20.78 ) 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 Convert STMicroelectronics sdhci-st MMC/SD controller binding to DT schema. Signed-off-by: Charan Pedumuru --- Documentation/devicetree/bindings/mmc/sdhci-st.txt | 110 --------------------- .../devicetree/bindings/mmc/st,sdhci.yaml | 93 +++++++++++++++++ 2 files changed, 93 insertions(+), 110 deletions(-) diff --git a/Documentation/devicetree/bindings/mmc/sdhci-st.txt b/Documentation/devicetree/bindings/mmc/sdhci-st.txt deleted file mode 100644 index ccf82b4ee838..000000000000 --- a/Documentation/devicetree/bindings/mmc/sdhci-st.txt +++ /dev/null @@ -1,110 +0,0 @@ -* STMicroelectronics sdhci-st MMC/SD controller - -This file documents the differences between the core properties in -Documentation/devicetree/bindings/mmc/mmc.txt and the properties -used by the sdhci-st driver. - -Required properties: -- compatible: Must be "st,sdhci" and it can be compatible to "st,sdhci-stih407" - to set the internal glue logic used for configuring the MMC - subsystem (mmcss) inside the FlashSS (available in STiH407 SoC - family). - -- clock-names: Should be "mmc" and "icn". (NB: The latter is not compulsory) - See: Documentation/devicetree/bindings/resource-names.txt -- clocks: Phandle to the clock. - See: Documentation/devicetree/bindings/clock/clock-bindings.txt - -- interrupts: One mmc interrupt should be described here. -- interrupt-names: Should be "mmcirq". - -- pinctrl-names: A pinctrl state names "default" must be defined. -- pinctrl-0: Phandle referencing pin configuration of the sd/emmc controller. - See: Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt - -- reg: This must provide the host controller base address and it can also - contain the FlashSS Top register for TX/RX delay used by the driver - to configure DLL inside the flashSS, if so reg-names must also be - specified. - -Optional properties: -- reg-names: Should be "mmc" and "top-mmc-delay". "top-mmc-delay" is optional - for eMMC on stih407 family silicon to configure DLL inside FlashSS. - -- non-removable: Non-removable slot. Also used for configuring mmcss in STiH407 SoC - family. - See: Documentation/devicetree/bindings/mmc/mmc.txt. - -- bus-width: Number of data lines. - See: Documentation/devicetree/bindings/mmc/mmc.txt. - -- max-frequency: Can be 200MHz, 100MHz or 50MHz (default) and used for - configuring the CCONFIG3 in the mmcss. - See: Documentation/devicetree/bindings/mmc/mmc.txt. - -- resets: Phandle and reset specifier pair to softreset line of HC IP. - See: Documentation/devicetree/bindings/reset/reset.txt - -- vqmmc-supply: Phandle to the regulator dt node, mentioned as the vcc/vdd - supply in eMMC/SD specs. - -- sd-uhs-sdr50: To enable the SDR50 in the mmcss. - See: Documentation/devicetree/bindings/mmc/mmc.txt. - -- sd-uhs-sdr104: To enable the SDR104 in the mmcss. - See: Documentation/devicetree/bindings/mmc/mmc.txt. - -- sd-uhs-ddr50: To enable the DDR50 in the mmcss. - See: Documentation/devicetree/bindings/mmc/mmc.txt. - -Example: - -/* Example stih416e eMMC configuration */ - -mmc0: sdhci@fe81e000 { - compatible = "st,sdhci"; - reg = <0xfe81e000 0x1000>; - interrupts = ; - interrupt-names = "mmcirq"; - pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_mmc0>; - clock-names = "mmc"; - clocks = <&clk_s_a1_ls 1>; - bus-width = <8> - -/* Example SD stih407 family configuration */ - -mmc1: sdhci@9080000 { - compatible = "st,sdhci-stih407", "st,sdhci"; - reg = <0x09080000 0x7ff>; - reg-names = "mmc"; - interrupts = ; - interrupt-names = "mmcirq"; - pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_sd1>; - clock-names = "mmc"; - clocks = <&clk_s_c0_flexgen CLK_MMC_1>; - resets = <&softreset STIH407_MMC1_SOFTRESET>; - bus-width = <4>; -}; - -/* Example eMMC stih407 family configuration */ - -mmc0: sdhci@9060000 { - compatible = "st,sdhci-stih407", "st,sdhci"; - reg = <0x09060000 0x7ff>, <0x9061008 0x20>; - reg-names = "mmc", "top-mmc-delay"; - interrupts = ; - interrupt-names = "mmcirq"; - pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_mmc0>; - clock-names = "mmc"; - clocks = <&clk_s_c0_flexgen CLK_MMC_0>; - vqmmc-supply = <&vmmc_reg>; - max-frequency = <200000000>; - bus-width = <8>; - non-removable; - sd-uhs-sdr50; - sd-uhs-sdr104; - sd-uhs-ddr50; -}; diff --git a/Documentation/devicetree/bindings/mmc/st,sdhci.yaml b/Documentation/devicetree/bindings/mmc/st,sdhci.yaml new file mode 100644 index 000000000000..96edf6d51e6e --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/st,sdhci.yaml @@ -0,0 +1,93 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mmc/st,sdhci.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: STMicroelectronics SDHCI-ST MMC/SD Controller + +description: + The STMicroelectronics SDHCI-ST MMC/SD host controller, which is + compliant with the SD Host Controller Interface (SDHCI) specification and + is used to interface with MMC, SD and SDIO cards. The ST SDHCI controller + extends the standard SDHCI capabilities with platform-specific + configurations such as additional register regions,clock inputs, and delay + control mechanisms required for signal timing adjustments which are + necessary to support high-speed modes and ensure reliable data transfer + across different ST SoCs. + +allOf: + - $ref: mmc-controller.yaml# + +maintainers: + - Peter Griffin + +properties: + compatible: + oneOf: + - const: st,sdhci + - items: + - const: st,sdhci-stih407 + - const: st,sdhci + + reg: + minItems: 1 + items: + - description: Base address and size of the MMC controller registers + - description: Base address and size of the MMC delay/auxiliary registers + + reg-names: + oneOf: + - items: + - const: mmc + - items: + - const: mmc + - const: top-mmc-delay + + clocks: + items: + - description: Clock for the MMC controller + - description: Interconnect (ICN) clock + + clock-names: + items: + - const: mmc + - const: icn + + interrupts: + maxItems: 1 + + interrupt-names: + const: mmcirq + + resets: + maxItems: 1 + +required: + - compatible + - reg + - clocks + - clock-names + - interrupts + - interrupt-names + +unevaluatedProperties: false + +examples: + - | + #include + #include + mmc@9060000 { + compatible = "st,sdhci-stih407", "st,sdhci"; + reg = <0x09060000 0x7ff>, <0x9061008 0x20>; + reg-names = "mmc", "top-mmc-delay"; + interrupts = ; + interrupt-names = "mmcirq"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_mmc0>; + clock-names = "mmc", "icn"; + clocks = <&clk_s_c0_flexgen CLK_MMC_0>, + <&clk_s_c0_flexgen CLK_RX_ICN_HVA>; + bus-width = <8>; + }; +... -- 2.54.0