From patchwork Wed May 7 07:28:04 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Binbin Zhou X-Patchwork-Id: 888434 Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 9186621D590; Wed, 7 May 2025 07:28:35 +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=1746602918; cv=none; b=khw4SsP8F2isSHD8twhauKh/nx/BIgFkx9HMSG4vNgIX7wicmjp8fLqep4+WTfCkyISajIb7BFUViOhtyuWBIH+QdXUtSMEVLwev5uViDZVREgphbzNQErYLZCE8sUAzMykPOyKeQbqoefugNhL6aFDOsfFjdxM7883pbNsmAHY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746602918; c=relaxed/simple; bh=1Rew0YZuYxM+n14JYaOIHTvOV12a+aiXbDY3qnhh2dU=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=gRlGCgLNhpJdOQ3n5izAUfX09bYpH9jFq+iibqF/VgYrMM38iYI9MCpj1vNgxtSSxiw5LAdlxjO9l0jShQIqurAQksdWX2ULnHNYMDFzbNYpO19wIHiGBrn6YYtVwWlUL6AKAUxc2Ql2KPdy9Qp4cxNpkSpZ3BgW18n+uqLDrf8= 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 _____8AxHHKaCxtoCeHXAA--.26331S3; Wed, 07 May 2025 15:28:26 +0800 (CST) Received: from localhost.localdomain (unknown [223.64.68.186]) by front1 (Coremail) with SMTP id qMiowMBxn8WVCxtoGna5AA--.12969S2; Wed, 07 May 2025 15:28:22 +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 0/4] LoongArch: Introduce the Loongson-2K MMC host controller driver Date: Wed, 7 May 2025 15:28:04 +0800 Message-ID: X-Mailer: git-send-email 2.47.1 Precedence: bulk X-Mailing-List: linux-mmc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-CM-TRANSID: qMiowMBxn8WVCxtoGna5AA--.12969S2 X-CM-SenderInfo: p2kr3uplqex0o6or00hjvr0hdfq/ X-Coremail-Antispam: 1Uk129KBj93XoW7ury8ArWDAFWDZr4kJrykCrX_yoW8Zr1kpa 15u343tF4UJr43CFn3Ga48Ary5urWfJ3srGanxGw1kGay3u34UX3sayFWFvay3ury8Gry7 XFyrua1ru3WUCrXCm3ZEXasCq-sJn29KB7ZKAUJUUUU5529EdanIXcx71UUUUU7KY7ZEXa sCq-sGcSsGvfJ3Ic02F40EFcxC0VAKzVAqx4xG6I80ebIjqfuFe4nvWSU5nxnvy29KBjDU 0xBIdaVrnRJUUUvYb4IE77IF4wAFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2 IYs7xG6rWj6s0DM7CIcVAFz4kK6r1Y6r17M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48v e4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Ar0_tr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI 0_Cr0_Gr1UM28EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I0E14v2 6rxl6s0DM2AIxVAIcxkEcVAq07x20xvEncxIr21l57IF6xkI12xvs2x26I8E6xACxx1l5I 8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r1Y6r17McIj6I8E87Iv67AK xVW8JVWxJwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41lc7CjxVAaw2AFwI 0_JF0_Jw1l42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG 67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r1q6r43MI IYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF7I0E 14v26r1j6r4UMIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVWUJV W8JwCI42IY6I8E87Iv6xkF7I0E14v26r1j6r4UYxBIdaVFxhVjvjDU0xZFpf9x07jreOLU UUUU= Hi all: This patchset introduce the MMC host controller on Loongson-2K series CPUs. They are similar, except for the interface characteristics and the use of DMA engine, specifically, the Loongson-2K0500/Loongson-2K1000 use an externally shared APBDMA engine, while the Loongson-2K2000 uses an internally exclusive DMA. Based on this, I'm splitting the driver into two patches. List of the patchset: Patch1: bindings for Loongson-2K0500/Loongson-2K1000; Patch2: driver for MMC controller using externally shared APBDMA engine; Patch3: bindings for Loongson-2K2000; Patch4: driver for MMC controller using internally exclusive DMA. Thanks. ------- V2: patch(1/4): - Add reg define for each reg entry. patch(2/4): - Put all code in the c-file; - Use mmc_from_priv() instead of host->mmc; - Use sdio_signal_irq() instead of mmc_signal_sdio_irq(); - Use devm_mmc_alloc_host() instead of mmc_alloc_host(); - Use mmc_regulator_get_supply(); patch(4/4): - Add fix_cmd_interrupt function which is needed by Loongson-2K2000. Link to V1: https://lore.kernel.org/linux-mmc/cover.1744273956.git.zhoubinbin@loongson.cn/ Binbin Zhou (4): dt-bindings: mmc: Add Loongson-2K SD/SDIO/eMMC controller binding mmc: loongson2: Add Loongson-2K SD/SDIO controller driver dt-bindings: mmc: loongson,ls2k-mmc: Add compatible for Loongson-2K2000 mmc: loongson2: Add Loongson-2K2000 SD/SDIO/eMMC controller driver .../bindings/mmc/loongson,ls2k-mmc.yaml | 112 ++ MAINTAINERS | 7 + drivers/mmc/host/Kconfig | 13 + drivers/mmc/host/Makefile | 1 + drivers/mmc/host/loongson2-mmc.c | 1007 +++++++++++++++++ 5 files changed, 1140 insertions(+) create mode 100644 Documentation/devicetree/bindings/mmc/loongson,ls2k-mmc.yaml create mode 100644 drivers/mmc/host/loongson2-mmc.c base-commit: 9e12816f9a6195f1f5b7c5dc2e388c2458411b97