From patchwork Tue Jul 11 12:19:00 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Binbin Zhou X-Patchwork-Id: 13308593 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5E270EB64DC for ; Tue, 11 Jul 2023 12:26:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231278AbjGKM0D (ORCPT ); Tue, 11 Jul 2023 08:26:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57012 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230478AbjGKM0B (ORCPT ); Tue, 11 Jul 2023 08:26:01 -0400 Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id B0C8C199A; Tue, 11 Jul 2023 05:25:33 -0700 (PDT) Received: from loongson.cn (unknown [112.20.109.108]) by gateway (Coremail) with SMTP id _____8CxNvHHSK1kNIEDAA--.10243S3; Tue, 11 Jul 2023 20:19:19 +0800 (CST) Received: from localhost.localdomain (unknown [112.20.109.108]) by localhost.localdomain (Coremail) with SMTP id AQAAf8BxniPDSK1kBa0oAA--.9337S3; Tue, 11 Jul 2023 20:19:17 +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 , loongson-kernel@lists.loongnix.cn, Xuerui Wang , loongarch@lists.linux.dev, Yingkun Meng , Binbin Zhou , Conor Dooley Subject: [PATCH v3 1/2] dt-bindings: dmaengine: Add Loongson LS2X APB DMA controller Date: Tue, 11 Jul 2023 20:19:00 +0800 Message-Id: <4fa49c111dd783d380caa6bef9bd10edf9281ec2.1689075791.git.zhoubinbin@loongson.cn> X-Mailer: git-send-email 2.39.3 In-Reply-To: References: MIME-Version: 1.0 X-CM-TRANSID: AQAAf8BxniPDSK1kBa0oAA--.9337S3 X-CM-SenderInfo: p2kr3uplqex0o6or00hjvr0hdfq/ X-Coremail-Antispam: 1Uk129KBj93XoWxZw4kZr47Ar15Zw4UZF1xCrX_yoW5Xr17pF n3C3Z3KrW0qF17A395GFy0kw1fZ3s3AanrWa9rAwnrKrZxX3ZYvw4akr1vvay3CrWjqFW7 ZFZa9r4jkayxArcCm3ZEXasCq-sJn29KB7ZKAUJUUUUx529EdanIXcx71UUUUU7KY7ZEXa sCq-sGcSsGvfJ3Ic02F40EFcxC0VAKzVAqx4xG6I80ebIjqfuFe4nvWSU5nxnvy29KBjDU 0xBIdaVrnRJUUUBFb4IE77IF4wAFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2 IYs7xG6rWj6s0DM7CIcVAFz4kK6r1Y6r17M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48v e4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Xr0_Ar1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI 0_Gr0_Cr1l84ACjcxK6I8E87Iv67AKxVWxJr0_GcWl84ACjcxK6I8E87Iv6xkF7I0E14v2 6F4UJVW0owAaw2AFwI0_JF0_Jw1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqjxCEc2xF0c Ia020Ex4CE44I27wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E2Ix0cI8IcVAFwI0_Jw0_ WrylYx0Ex4A2jsIE14v26r4j6F4UMcvjeVCFs4IE7xkEbVWUJVW8JwACjcxG0xvY0x0EwI xGrwCY1x0262kKe7AKxVWUAVWUtwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWU JVW8JwCFI7km07C267AKxVWUAVWUtwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4 vE14v26r106r1rMI8E67AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7IY x2IY67AKxVW8JVW5JwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1lIxAIcVCF04k26c xKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r4j6F4UMIIF0xvEx4A2jsIEc7CjxVAF wI0_Gr0_Gr1UYxBIdaVFxhVjvjDU0xZFpf9x07jz5lbUUUUU= Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org Add Loongson LS2X APB DMA controller binding with DT schema format using json-schema. Signed-off-by: Binbin Zhou Reviewed-by: Conor Dooley --- .../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..35298c4fbfa0 --- /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 3be1bdfe8ecc..60a411936ba7 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -12243,6 +12243,12 @@ 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