From patchwork Wed May 7 07:28:05 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Binbin Zhou X-Patchwork-Id: 888739 Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 9A4CE21E08D; Wed, 7 May 2025 07:28:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=114.242.206.163 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746602921; cv=none; b=dre7yGQhkhMgFZ6amKWXDE4oA0f2oh2hCqWBpCRvHX5uO9vdh7a0AF9K7tf7EBzQ5dcHQBrsx0UpIJd84oMizkOD+30s5GSgnAUFRRYXJ3FIveETNtCx6XCGHvOK+D+NUMkaP17vTEwPU65VUliqdHtqX6W/hphOStpZckPVXa8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746602921; c=relaxed/simple; bh=ZYcHEvsZ4alD4Na2eMIoagFBXy6exmLOQcnHJ6cmnyY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=BBanWt/IZsNGvhhMydJnYpFf5HJzmE/V9tfsTqfpQ4XnIdatvXMPznDloeYJSAOa2GFuhlwPutjlkARdmqQX8elVr/HFCrzCswiH6rKrvB6UIH9UvieV9+PNkiOWAYxkRciZJxee8R71wWupa+SG7EZns9yqBaeWNLqcBeLQBYE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=loongson.cn; spf=pass smtp.mailfrom=loongson.cn; arc=none smtp.client-ip=114.242.206.163 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=loongson.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=loongson.cn Received: from loongson.cn (unknown [223.64.68.186]) by gateway (Coremail) with SMTP id _____8AxWXGcCxtoE+HXAA--.26708S3; Wed, 07 May 2025 15:28:28 +0800 (CST) Received: from localhost.localdomain (unknown [223.64.68.186]) by front1 (Coremail) with SMTP id qMiowMBxn8WVCxtoGna5AA--.12969S3; Wed, 07 May 2025 15:28:26 +0800 (CST) From: Binbin Zhou To: Binbin Zhou , Huacai Chen , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Ulf Hansson Cc: Huacai Chen , Xuerui Wang , loongarch@lists.linux.dev, devicetree@vger.kernel.org, linux-mmc@vger.kernel.org, Binbin Zhou Subject: [PATCH v2 1/4] dt-bindings: mmc: Add Loongson-2K SD/SDIO/eMMC controller binding Date: Wed, 7 May 2025 15:28:05 +0800 Message-ID: <9b5a416143d5d5da7084f3a868cf01e6827cd653.1746581751.git.zhoubinbin@loongson.cn> X-Mailer: git-send-email 2.47.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-mmc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-CM-TRANSID: qMiowMBxn8WVCxtoGna5AA--.12969S3 X-CM-SenderInfo: p2kr3uplqex0o6or00hjvr0hdfq/ X-Coremail-Antispam: 1Uk129KBj93XoWxGFWkCr1xGF4DKr1kAr1UJwc_yoW5Ww4Dpa nrCrn7Gr40vF13Zws3Ka48Cw1rZ3s7CFsrXFsrJw17GasxW3WYqw1akF95Zay3CrWjqFW7 ZF9akr4UCa47ArcCm3ZEXasCq-sJn29KB7ZKAUJUUUUr529EdanIXcx71UUUUU7KY7ZEXa sCq-sGcSsGvfJ3Ic02F40EFcxC0VAKzVAqx4xG6I80ebIjqfuFe4nvWSU5nxnvy29KBjDU 0xBIdaVrnRJUUUBYb4IE77IF4wAFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2 IYs7xG6rWj6s0DM7CIcVAFz4kK6r126r13M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48v e4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Ar0_tr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI 0_Cr0_Gr1UM28EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I0E14v2 6rxl6s0DM2kKe7AKxVWUXVWUAwAS0I0E0xvYzxvE52x082IY62kv0487Mc804VCY07AIYI kI8VC2zVCFFI0UMc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7IYx2IY67AKxVWUtVWr XwAv7VC2z280aVAFwI0_Gr0_Cr1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0Y48IcxkI7VAKI4 8JMxkF7I0En4kS14v26r126r1DMxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j 6r4UMxCIbckI1I0E14v26r1Y6r17MI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwV AFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI42IY6xIIjxv2 0xvE14v26r4j6ryUMIIF0xvE2Ix0cI8IcVCY1x0267AKxVW8JVWxJwCI42IY6xAIw20EY4 v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Gr0_Cr1lIxAIcVC2z280aVCY1x0267AK xVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7IU8EoGPUUUUU== Add the Loongson-2K SoC's SD/SDIO/eMMC controller binding with DT schema format using json-schema. Signed-off-by: Binbin Zhou --- .../bindings/mmc/loongson,ls2k-mmc.yaml | 69 +++++++++++++++++++ MAINTAINERS | 6 ++ 2 files changed, 75 insertions(+) create mode 100644 Documentation/devicetree/bindings/mmc/loongson,ls2k-mmc.yaml diff --git a/Documentation/devicetree/bindings/mmc/loongson,ls2k-mmc.yaml b/Documentation/devicetree/bindings/mmc/loongson,ls2k-mmc.yaml new file mode 100644 index 000000000000..97a0853399f1 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/loongson,ls2k-mmc.yaml @@ -0,0 +1,69 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mmc/loongson,ls2k-mmc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: The SD/SDIO/eMMC host controller for Loongson-2K family SoCs + +description: + The MMC host controller on the Loongson-2K0500/2K1000 (using an externally + shared apbdma controller) provides the SD and SDIO device interfaces. + +maintainers: + - Binbin Zhou + +allOf: + - $ref: mmc-controller.yaml# + +properties: + compatible: + enum: + - loongson,ls2k0500-mmc + - loongson,ls2k1000-mmc + + reg: + items: + - description: Loongson-2K MMC controller registers. + - description: APB DMA config register for Loongson-2K MMC controller. + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + dmas: + maxItems: 1 + + dma-names: + const: rx-tx + +required: + - compatible + - reg + - interrupts + - clocks + - dmas + - dma-names + +unevaluatedProperties: false + +examples: + - | + #include + #include + #include + + mmc@1fe2c000 { + compatible = "loongson,ls2k1000-mmc"; + reg = <0x1fe2c000 0x68>, + <0x1fe00438 0x8>; + interrupt-parent = <&liointc0>; + interrupts = <31 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clk LOONGSON2_APB_CLK>; + dmas = <&apbdma1 0>; + dma-names = "rx-tx"; + bus-width = <4>; + cd-gpios = <&gpio0 22 GPIO_ACTIVE_LOW>; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 96b827049501..5bf74aa63299 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -13935,6 +13935,12 @@ S: Maintained F: Documentation/devicetree/bindings/hwinfo/loongson,ls2k-chipid.yaml F: drivers/soc/loongson/loongson2_guts.c +LOONGSON-2 SOC SERIES MMC/SD/SDIO CONTROLLER DRIVER +M: Binbin Zhou +L: linux-mmc@vger.kernel.org +S: Maintained +F: Documentation/devicetree/bindings/mmc/loongson,ls2k-mmc.yaml + LOONGSON-2 SOC SERIES PM DRIVER M: Yinbo Zhu L: linux-pm@vger.kernel.org