{"id":806948,"url":"http://patchwork.ozlabs.org/api/1.0/patches/806948/?format=json","project":{"id":37,"url":"http://patchwork.ozlabs.org/api/1.0/projects/37/?format=json","name":"Devicetree Bindings","link_name":"devicetree-bindings","list_id":"devicetree.vger.kernel.org","list_email":"devicetree@vger.kernel.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20170829045127.19951-3-icenowy@aosc.io>","date":"2017-08-29T04:51:27","name":"[RESEND,2/2] dmaengine: sun6i: support V3s SoC variant","commit_ref":null,"pull_url":null,"state":"not-applicable","archived":true,"hash":"d51719fac20c6fba8bc6f9921a70a768827bd742","submitter":{"id":71295,"url":"http://patchwork.ozlabs.org/api/1.0/people/71295/?format=json","name":"Icenowy Zheng","email":"icenowy@aosc.io"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/devicetree-bindings/patch/20170829045127.19951-3-icenowy@aosc.io/mbox/","series":[{"id":303,"url":"http://patchwork.ozlabs.org/api/1.0/series/303/?format=json","date":"2017-08-29T04:51:25","name":"Allwinner V3s DMA support","version":1,"mbox":"http://patchwork.ozlabs.org/series/303/mbox/"}],"check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/806948/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"incoming-dt@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming-dt@bilbo.ozlabs.org","Authentication-Results":"ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; helo=vger.kernel.org;\n\tenvelope-from=devicetree-owner@vger.kernel.org; receiver=)","Received":["from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3xhGw15yDFz9s4q\n\tfor ;\n\tTue, 29 Aug 2017 15:12:01 +1000 (AEST)","(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1750815AbdH2Exp (ORCPT\n\t);\n\tTue, 29 Aug 2017 00:53:45 -0400","from hermes.aosc.io ([199.195.250.187]:33645 \"EHLO hermes.aosc.io\"\n\trhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP\n\tid S1751249AbdH2EwG (ORCPT );\n\tTue, 29 Aug 2017 00:52:06 -0400","from localhost (localhost [127.0.0.1]) (Authenticated sender:\n\ticenowy@aosc.io)\n\tby hermes.aosc.io (Postfix) with ESMTPSA id 5BB5B45D0B;\n\tTue, 29 Aug 2017 04:52:02 +0000 (UTC)"],"From":"Icenowy Zheng ","To":"Vinod Koul ,\n\tMaxime Ripard ,\n\tChen-Yu Tsai ","Cc":"dmaengine@vger.kernel.org, devicetree@vger.kernel.org,\n\tlinux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,\n\tlinux-sunxi@googlegroups.com, Icenowy Zheng ","Subject":"[PATCH RESEND 2/2] dmaengine: sun6i: support V3s SoC variant","Date":"Tue, 29 Aug 2017 12:51:27 +0800","Message-Id":"<20170829045127.19951-3-icenowy@aosc.io>","In-Reply-To":"<20170829045127.19951-1-icenowy@aosc.io>","References":"<20170829045127.19951-1-icenowy@aosc.io>","Sender":"devicetree-owner@vger.kernel.org","Precedence":"bulk","List-ID":"","X-Mailing-List":"devicetree@vger.kernel.org"},"content":"From: Icenowy Zheng \n\nAllwinner V3s has a DMA engine similar to the ones from A31, but with\nfewer channels and DRQs.\n\nAdd support for it.\n\nSigned-off-by: Icenowy Zheng \nAcked-by: Chen-Yu Tsai \nAcked-by: Rob Herring \n---\n Documentation/devicetree/bindings/dma/sun6i-dma.txt | 1 +\n drivers/dma/sun6i-dma.c | 13 +++++++++++++\n 2 files changed, 14 insertions(+)","diff":"diff --git a/Documentation/devicetree/bindings/dma/sun6i-dma.txt b/Documentation/devicetree/bindings/dma/sun6i-dma.txt\nindex 6b267045f522..98fbe1a5c6dd 100644\n--- a/Documentation/devicetree/bindings/dma/sun6i-dma.txt\n+++ b/Documentation/devicetree/bindings/dma/sun6i-dma.txt\n@@ -9,6 +9,7 @@ Required properties:\n \t\t \"allwinner,sun8i-a23-dma\"\n \t\t \"allwinner,sun8i-a83t-dma\"\n \t\t \"allwinner,sun8i-h3-dma\"\n+\t\t \"allwinner,sun8i-v3s-dma\"\n - reg:\t\tShould contain the registers base address and length\n - interrupts:\tShould contain a reference to the interrupt used by this device\n - clocks:\tShould contain a reference to the parent AHB clock\ndiff --git a/drivers/dma/sun6i-dma.c b/drivers/dma/sun6i-dma.c\nindex 252b59c1d1d5..bcd496edc70f 100644\n--- a/drivers/dma/sun6i-dma.c\n+++ b/drivers/dma/sun6i-dma.c\n@@ -1040,11 +1040,24 @@ static struct sun6i_dma_config sun8i_h3_dma_cfg = {\n \t.nr_max_vchans = 34,\n };\n \n+/*\n+ * The V3s have only 8 physical channels, a maximum DRQ port id of 23,\n+ * and a total of 24 usable source and destination endpoints.\n+ */\n+\n+static struct sun6i_dma_config sun8i_v3s_dma_cfg = {\n+\t.nr_max_channels = 8,\n+\t.nr_max_requests = 23,\n+\t.nr_max_vchans = 24,\n+\t.gate_needed\t = true,\n+};\n+\n static const struct of_device_id sun6i_dma_match[] = {\n \t{ .compatible = \"allwinner,sun6i-a31-dma\", .data = &sun6i_a31_dma_cfg },\n \t{ .compatible = \"allwinner,sun8i-a23-dma\", .data = &sun8i_a23_dma_cfg },\n \t{ .compatible = \"allwinner,sun8i-a83t-dma\", .data = &sun8i_a83t_dma_cfg },\n \t{ .compatible = \"allwinner,sun8i-h3-dma\", .data = &sun8i_h3_dma_cfg },\n+\t{ .compatible = \"allwinner,sun8i-v3s-dma\", .data = &sun8i_v3s_dma_cfg },\n \t{ /* sentinel */ }\n };\n MODULE_DEVICE_TABLE(of, sun6i_dma_match);\n","prefixes":["RESEND","2/2"]}