From patchwork Tue Jun 24 11:58:12 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Binbin Zhou X-Patchwork-Id: 899593 Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 79F5B25394B; Tue, 24 Jun 2025 11:58:34 +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=1750766316; cv=none; b=hjRi+UdExDiMA5ShwywY8yFPkP+WAUY8F3dtfhQcqq9V2ua90NnYLMFzp+WBfC0PAoCy47EThVNbatF4kndTpd97Q6L/h+yDhcLmD06dI0hYLzsyib2pLQQXVO8qi2BsjQ9cszn0stVMtqSredgL66Il5gJYYuq9eNS6sqnRuB4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750766316; c=relaxed/simple; bh=6yyNlj5vw6z0l2dJcNP/J8vslBLojEUWd2Uc3VcDO7A=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=e6zlXyT7Yubufn3NmO9ulO7f6/8Cl+mUxY+L8FvZj+/qve6tegWWZbnDiO62AcHLvGKxZSZH+bPLnNMSNcS2+tMvU6XpR6LoCmyP2l88fE+61jCG5KNZRQzau52c6rk2eE1Q//ZYrnuyDiw6e5igwRxPGnJwoGD2Sad3VJEMZ8M= 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 [223.64.68.149]) by gateway (Coremail) with SMTP id _____8BxJHDoklpoSTocAQ--.22419S3; Tue, 24 Jun 2025 19:58:32 +0800 (CST) Received: from localhost.localdomain (unknown [223.64.68.149]) by front1 (Coremail) with SMTP id qMiowMDxu8TcklpohsAoAQ--.53899S5; Tue, 24 Jun 2025 19:58:32 +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, wanghongliang@loongson.cn, Binbin Zhou , Conor Dooley Subject: [PATCH v4 3/4] dt-bindings: mmc: loongson,ls2k0500-mmc: Add compatible for Loongson-2K2000 Date: Tue, 24 Jun 2025 19:58:12 +0800 Message-ID: <2274fcccd27d7c03bc026fd2a43727bdf5af1ef5.1750765495.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: qMiowMDxu8TcklpohsAoAQ--.53899S5 X-CM-SenderInfo: p2kr3uplqex0o6or00hjvr0hdfq/ X-Coremail-Antispam: 1Uk129KBj93XoW7WryrZr15uF17Zw13CF45Jwc_yoW5Jr4rpa 9xCwsrGr40qF13urZ8Ca48Cw15ZrykC3ZrJFsrJw1UGwsxW3yYq343KFyFqay3CrWIqFW7 Zry8Cw45uasrCrcCm3ZEXasCq-sJn29KB7ZKAUJUUUU7529EdanIXcx71UUUUU7KY7ZEXa sCq-sGcSsGvfJ3Ic02F40EFcxC0VAKzVAqx4xG6I80ebIjqfuFe4nvWSU5nxnvy29KBjDU 0xBIdaVrnRJUUUBYb4IE77IF4wAFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2 IYs7xG6rWj6s0DM7CIcVAFz4kK6r1Y6r17M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48v e4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Xr0_Ar1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI 0_Cr0_Gr1UM28EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I0E14v2 6rxl6s0DM2kKe7AKxVWUXVWUAwAS0I0E0xvYzxvE52x082IY62kv0487Mc804VCY07AIYI kI8VC2zVCFFI0UMc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7IYx2IY67AKxVWUtVWr XwAv7VC2z280aVAFwI0_Gr0_Cr1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0Y48IcxkI7VAKI4 8JMxkF7I0En4kS14v26r126r1DMxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j 6r4UMxCIbckI1I0E14v26r1Y6r17MI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwV AFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI42IY6xIIjxv2 0xvE14v26ryj6F1UMIIF0xvE2Ix0cI8IcVCY1x0267AKxVW8JVWxJwCI42IY6xAIw20EY4 v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Gr0_Cr1lIxAIcVC2z280aVCY1x0267AK xVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7IU0epB3UUUUU== Add the devicetree compatible for Loongson-2K2000 EMMC/SD/SDIO controller. Acked-by: Conor Dooley Signed-off-by: Binbin Zhou --- .../bindings/mmc/loongson,ls2k0500-mmc.yaml | 47 ++++++++++++++++++- 1 file changed, 45 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/mmc/loongson,ls2k0500-mmc.yaml b/Documentation/devicetree/bindings/mmc/loongson,ls2k0500-mmc.yaml index f2f10b2c618c..c142421bc723 100644 --- a/Documentation/devicetree/bindings/mmc/loongson,ls2k0500-mmc.yaml +++ b/Documentation/devicetree/bindings/mmc/loongson,ls2k0500-mmc.yaml @@ -9,6 +9,9 @@ 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. + The two MMC host controllers on the Loongson-2K2000 are similar, + except that they use internal exclusive DMA. one controller provides + the eMMC interface and the other provides the SD/SDIO interface. maintainers: - Binbin Zhou @@ -21,8 +24,10 @@ properties: enum: - loongson,ls2k0500-mmc - loongson,ls2k1000-mmc + - loongson,ls2k2000-mmc reg: + minItems: 1 items: - description: Loongson-2K MMC controller registers. - description: APB DMA config register for Loongson-2K MMC controller. @@ -44,11 +49,31 @@ required: - reg - interrupts - clocks - - dmas - - dma-names unevaluatedProperties: false +if: + properties: + compatible: + contains: + enum: + - loongson,ls2k0500-mmc + - loongson,ls2k1000-mmc + +then: + properties: + reg: + minItems: 2 + + required: + - dmas + - dma-names + +else: + properties: + reg: + maxItems: 1 + examples: - | #include @@ -67,3 +92,21 @@ examples: bus-width = <4>; cd-gpios = <&gpio0 22 GPIO_ACTIVE_LOW>; }; + + - | + #include + #include + + mmc@79990000 { + compatible = "loongson,ls2k2000-mmc"; + reg = <0x79990000 0x1000>; + interrupt-parent = <&pic>; + interrupts = <51 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clk LOONGSON2_EMMC_CLK>; + bus-width = <8>; + non-removable; + cap-mmc-highspeed; + mmc-hs200-1_8v; + no-sd; + no-sdio; + };