From patchwork Thu Apr 10 08:40:34 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Binbin Zhou X-Patchwork-Id: 879969 Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by smtp.subspace.kernel.org (Postfix) with ESMTP id C6A1A20B207; Thu, 10 Apr 2025 08:41:01 +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=1744274464; cv=none; b=JNscuxeS0SnmozWvOHTNAAnyPkmafNdPXXyLX6vgO4FW4mpeUCtlyrQaFZ5cgrleV4AboRT6OfCjIu9D4VDuYS0WLiUEfLM/KxtSX4KiryfhWGVKX2Km0eToiMAfxzT+w5CSjp3VN2+v7rAEvKQjdmVlUaY3sMOVux5aJfGSPng= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744274464; c=relaxed/simple; bh=t2+OBeJgd6vIgnkDPi51zU+djJ+sYytL4w9vvY7Gjv8=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=Jug1J51YBxCysipayqRSNYwLfvOhlrCcjksOQ9WEkBYmrWmeqF3UMlZDu5PrVZSJU5OOMjNvYf07kc7nG0w0TuLNuv6M1N2rM78miFEO/JAhSSg03mqVEq68czZ0yMshAM61t0c2tTvDffQ9jMAD7u+HOXudOjvF0pHWmiPoTTY= 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 [223.64.68.198]) by gateway (Coremail) with SMTP id _____8CxeXEZhPdnn7i2AA--.41468S3; Thu, 10 Apr 2025 16:40:57 +0800 (CST) Received: from localhost.localdomain (unknown [223.64.68.198]) by front1 (Coremail) with SMTP id qMiowMDxH+UQhPdnGrJ3AA--.30039S2; Thu, 10 Apr 2025 16:40:51 +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 v1 0/4] LoongArch: Introduce the Loongson-2K MMC host controller driver Date: Thu, 10 Apr 2025 16:40:34 +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: qMiowMDxH+UQhPdnGrJ3AA--.30039S2 X-CM-SenderInfo: p2kr3uplqex0o6or00hjvr0hdfq/ X-Coremail-Antispam: 1Uk129KBj93XoW7ury8ArWDAFWDZr4kJrykCrX_yoW8Xw1Upa 13u3y3Kr4UCr43uF93Ga48Cry5u34fJ39rGanxJwn5Wa93u34UWryIkayYvrZxury8Jryx ZFyrua18u3Z8GFXCm3ZEXasCq-sJn29KB7ZKAUJUUUU5529EdanIXcx71UUUUU7KY7ZEXa sCq-sGcSsGvfJ3Ic02F40EFcxC0VAKzVAqx4xG6I80ebIjqfuFe4nvWSU5nxnvy29KBjDU 0xBIdaVrnRJUUUyEb4IE77IF4wAFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2 IYs7xG6rWj6s0DM7CIcVAFz4kK6r1Y6r17M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48v e4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_JFI_Gr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI 0_Jr0_Gr1l84ACjcxK6I8E87Iv67AKxVW0oVCq3wA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_ GcCE3s1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqjxCEc2xF0cIa020Ex4CE44I27wAqx4 xG64xvF2IEw4CE5I8CrVC2j2WlYx0E2Ix0cI8IcVAFwI0_Jrv_JF1lYx0Ex4A2jsIE14v2 6r1j6r4UMcvjeVCFs4IE7xkEbVWUJVW8JwACjcxG0xvY0x0EwIxGrwCF04k20xvY0x0EwI xGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E7480 Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7 IYx2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Jr0_Gr1lIxAIcVCF04k2 6cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxV AFwI0_Jr0_GrUvcSsGvfC2KfnxnUUI43ZEXa7IU8zwZ7UUUUU== 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. 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 controller driver .../bindings/mmc/loongson,ls2k-mmc.yaml | 110 +++ MAINTAINERS | 8 + drivers/mmc/host/Kconfig | 13 + drivers/mmc/host/Makefile | 1 + drivers/mmc/host/loongson2-mmc.c | 781 ++++++++++++++++++ drivers/mmc/host/loongson2-mmc.h | 224 +++++ 6 files changed, 1137 insertions(+) create mode 100644 Documentation/devicetree/bindings/mmc/loongson,ls2k-mmc.yaml create mode 100644 drivers/mmc/host/loongson2-mmc.c create mode 100644 drivers/mmc/host/loongson2-mmc.h base-commit: 6b8dba9a7fdba6d669e4119e390a071e44383934