From patchwork Mon Dec 18 01:56:38 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Binbin Zhou X-Patchwork-Id: 1877172 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2604:1380:4601:e00::3; helo=am.mirrors.kernel.org; envelope-from=devicetree+bounces-26380-incoming-dt=patchwork.ozlabs.org@vger.kernel.org; receiver=patchwork.ozlabs.org) Received: from am.mirrors.kernel.org (am.mirrors.kernel.org [IPv6:2604:1380:4601:e00::3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4Stjcm4q14z23yd for ; Mon, 18 Dec 2023 12:57:12 +1100 (AEDT) Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by am.mirrors.kernel.org (Postfix) with ESMTPS id 17F8F1F21DDD for ; Mon, 18 Dec 2023 01:57:10 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 03D242119; Mon, 18 Dec 2023 01:57:06 +0000 (UTC) X-Original-To: devicetree@vger.kernel.org Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by smtp.subspace.kernel.org (Postfix) with ESMTP id EF9BB2114; Mon, 18 Dec 2023 01:57:03 +0000 (UTC) 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 [112.20.112.176]) by gateway (Coremail) with SMTP id _____8CxRPDupn9lwuYBAA--.10175S3; Mon, 18 Dec 2023 09:57:02 +0800 (CST) Received: from localhost.localdomain (unknown [112.20.112.176]) by localhost.localdomain (Coremail) with SMTP id AQAAf8DxkuPopn9limEJAA--.45156S3; Mon, 18 Dec 2023 09:56:58 +0800 (CST) From: Binbin Zhou To: Binbin Zhou , Huacai Chen , Vinod Koul , dmaengine@vger.kernel.org, Rob Herring , Krzysztof Kozlowski , Conor Dooley , devicetree@vger.kernel.org Cc: Huacai Chen , Xuerui Wang , loongarch@lists.linux.dev, Yingkun Meng , Binbin Zhou , Conor Dooley Subject: [PATCH v6 1/2] dt-bindings: dmaengine: Add Loongson LS2X APB DMA controller Date: Mon, 18 Dec 2023 09:56:38 +0800 Message-Id: <078307641077edaf46dd986c6d31cea15545a208.1702365725.git.zhoubinbin@loongson.cn> X-Mailer: git-send-email 2.39.3 In-Reply-To: References: Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-CM-TRANSID: AQAAf8DxkuPopn9limEJAA--.45156S3 X-CM-SenderInfo: p2kr3uplqex0o6or00hjvr0hdfq/ X-Coremail-Antispam: 1Uk129KBj93XoWxGw18ur1UAF1xCF1rJrWDAwc_yoW5Xr17pF nxCwnxKrW0qF17A395JFy0k3WfZ3s3A3ZrWa9rAwn7KrZxX3ZYvw1akr1vvay3Cr4jqFW7 ZFZa9r4jkayxArcCm3ZEXasCq-sJn29KB7ZKAUJUUUU7529EdanIXcx71UUUUU7KY7ZEXa sCq-sGcSsGvfJ3Ic02F40EFcxC0VAKzVAqx4xG6I80ebIjqfuFe4nvWSU5nxnvy29KBjDU 0xBIdaVrnRJUUUBvb4IE77IF4wAFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2 IYs7xG6rWj6s0DM7CIcVAFz4kK6r1Y6r17M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48v e4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Ar0_tr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI 0_Cr0_Gr1UM28EF7xvwVC2z280aVAFwI0_Cr0_Gr1UM28EF7xvwVC2z280aVCY1x0267AK xVW8Jr0_Cr1UM2kKe7AKxVWUXVWUAwAS0I0E0xvYzxvE52x082IY62kv0487Mc804VCY07 AIYIkI8VC2zVCFFI0UMc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7IYx2IY67AKxVW3 AVW8Xw1lYx0Ex4A2jsIE14v26F4j6r4UJwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IYc2 Ij64vIr41lc7CjxVAaw2AFwI0_JF0_Jw1l42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Y z7v_Jr0_Gr1l4IxYO2xFxVAFwI0_Jrv_JF1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s026x 8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r1q6r43MIIYrxkI7VAKI48JMIIF0xvE 2Ix0cI8IcVAFwI0_Ar0_tr1lIxAIcVC0I7IYx2IY6xkF7I0E14v26F4j6r4UJwCI42IY6x AIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Cr0_Gr1UMIIF0xvEx4A2jsIE c7CjxVAFwI0_Gr0_Gr1UYxBIdaVFxhVjvjDU0xZFpf9x07jsTmfUUUUU= Add Loongson LS2X APB DMA controller binding with DT schema format using json-schema. Reviewed-by: Conor Dooley Signed-off-by: Binbin Zhou --- .../bindings/dma/loongson,ls2x-apbdma.yaml | 62 +++++++++++++++++++ MAINTAINERS | 6 ++ 2 files changed, 68 insertions(+) create mode 100644 Documentation/devicetree/bindings/dma/loongson,ls2x-apbdma.yaml diff --git a/Documentation/devicetree/bindings/dma/loongson,ls2x-apbdma.yaml b/Documentation/devicetree/bindings/dma/loongson,ls2x-apbdma.yaml new file mode 100644 index 000000000000..6a1b49a49a64 --- /dev/null +++ b/Documentation/devicetree/bindings/dma/loongson,ls2x-apbdma.yaml @@ -0,0 +1,62 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/dma/loongson,ls2x-apbdma.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Loongson LS2X APB DMA controller + +description: + The Loongson LS2X APB DMA controller is used for transferring data + between system memory and the peripherals on the APB bus. + +maintainers: + - Binbin Zhou + +allOf: + - $ref: dma-controller.yaml# + +properties: + compatible: + oneOf: + - const: loongson,ls2k1000-apbdma + - items: + - const: loongson,ls2k0500-apbdma + - const: loongson,ls2k1000-apbdma + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + '#dma-cells': + const: 1 + +required: + - compatible + - reg + - interrupts + - clocks + - '#dma-cells' + +additionalProperties: false + +examples: + - | + #include + #include + + dma-controller@1fe00c00 { + compatible = "loongson,ls2k1000-apbdma"; + reg = <0x1fe00c00 0x8>; + interrupt-parent = <&liointc1>; + interrupts = <12 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clk LOONGSON2_APB_CLK>; + #dma-cells = <1>; + }; + +... diff --git a/MAINTAINERS b/MAINTAINERS index 788be9ab5b73..55e1be35f9dc 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -12504,6 +12504,12 @@ S: Maintained F: Documentation/devicetree/bindings/gpio/loongson,ls-gpio.yaml F: drivers/gpio/gpio-loongson-64bit.c +LOONGSON LS2X APB DMA DRIVER +M: Binbin Zhou +L: dmaengine@vger.kernel.org +S: Maintained +F: Documentation/devicetree/bindings/dma/loongson,ls2x-apbdma.yaml + LOONGSON LS2X I2C DRIVER M: Binbin Zhou L: linux-i2c@vger.kernel.org