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GET /api/patches/874995/?format=api
{ "id": 874995, "url": "http://patchwork.ozlabs.org/api/patches/874995/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-aspeed/patch/20180219073540.24520-1-joel@jms.id.au/", "project": { "id": 57, "url": "http://patchwork.ozlabs.org/api/projects/57/?format=api", "name": "Linux ASPEED SoC development", "link_name": "linux-aspeed", "list_id": "linux-aspeed.lists.ozlabs.org", "list_email": "linux-aspeed@lists.ozlabs.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20180219073540.24520-1-joel@jms.id.au>", "list_archive_url": null, "date": "2018-02-19T07:35:40", "name": "ARM: dts: aspeed: Add LPC reset controller node", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": true, "hash": "8e43d35f6fd30f40b217e1137f8ccb25c2d1f2c0", "submitter": { "id": 48628, "url": "http://patchwork.ozlabs.org/api/people/48628/?format=api", "name": "Joel Stanley", "email": "joel@jms.id.au" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-aspeed/patch/20180219073540.24520-1-joel@jms.id.au/mbox/", "series": [ { "id": 29279, "url": "http://patchwork.ozlabs.org/api/series/29279/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-aspeed/list/?series=29279", "date": "2018-02-19T07:35:40", "name": "ARM: dts: aspeed: Add LPC reset controller node", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/29279/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/874995/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/874995/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<linux-aspeed-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linux-aspeed@lists.ozlabs.org" ], "Delivered-To": [ "patchwork-incoming@bilbo.ozlabs.org", "linux-aspeed@lists.ozlabs.org" ], "Received": [ "from lists.ozlabs.org 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s=20161025;\n\th=x-gm-message-state:sender:from:to:cc:subject:date:message-id;\n\tbh=7gqTF1bgvZmuNSAMp/bukbVmv8u9iZtBgXHxiYm6rgI=;\n\tb=Sot1t3SeWUOuVYHzf0cGHBoZ4uo51hcWB9avI7giJQ5Wqov66thW4FFr3my/csFMuk\n\tHM6QpC5JH4s/i+nfrCOJywC7b056BDbV9qDNyQMtuXx9hOjRSAoKbmH0TL2sU6VN91BF\n\tdrXpl0VurVYO+PoVy4YMkiG1/4JWBoUbQh/j+CZIQA3u+mirKIi2nc124YcPAImZpyX4\n\tlOO2Cyz+JCS135ExjV2nvS1lxwGM9cNXUOnkeVi4nJKbocO8EvkKE7ZH2H8Jbrhlv2f3\n\tPjPRg63JFdVcCsuXUPosklzkHWd2kRQV4vyA6L/Q/Ci9WoxGd0ro7UXfKQunagLJkDsE\n\thSog==", "X-Gm-Message-State": "APf1xPBII+oTLUTRiL5ROrWuYj1ZMtTPBvNid55VmMvqwz2y2yBwnYK+\n\toAb455vR4KmeHHDTHMzuwyI=", "X-Google-Smtp-Source": "AH8x226zvWDVxRj608YPMH4+azfJlAb5KNEopTZBZlDCRPvw9uD0eabh3yCUfwSQXBuzoNSVgay1rw==", "X-Received": "by 10.99.107.200 with SMTP id\n\tg191mr11450986pgc.165.1519025754746; \n\tSun, 18 Feb 2018 23:35:54 -0800 (PST)", "From": "Joel Stanley <joel@jms.id.au>", "To": "Joel Stanley <joel@jms.id.au>,\n\tAndrew Jeffery <andrew@aj.id.au>", "Subject": "[PATCH] ARM: dts: aspeed: Add LPC reset controller node", "Date": "Mon, 19 Feb 2018 18:05:40 +1030", "Message-Id": "<20180219073540.24520-1-joel@jms.id.au>", "X-Mailer": "git-send-email 2.15.1", "X-BeenThere": "linux-aspeed@lists.ozlabs.org", "X-Mailman-Version": "2.1.26", "Precedence": "list", "List-Id": "Linux ASPEED SoC development <linux-aspeed.lists.ozlabs.org>", "List-Unsubscribe": "<https://lists.ozlabs.org/options/linux-aspeed>,\n\t<mailto:linux-aspeed-request@lists.ozlabs.org?subject=unsubscribe>", "List-Archive": "<http://lists.ozlabs.org/pipermail/linux-aspeed/>", "List-Post": "<mailto:linux-aspeed@lists.ozlabs.org>", "List-Help": "<mailto:linux-aspeed-request@lists.ozlabs.org?subject=help>", "List-Subscribe": "<https://lists.ozlabs.org/listinfo/linux-aspeed>,\n\t<mailto:linux-aspeed-request@lists.ozlabs.org?subject=subscribe>", "Cc": "Mark Rutland <mark.rutland@arm.com>, devicetree@vger.kernel.org,\n\tlinux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org,\n\tRob Herring <robh+dt@kernel.org>, linux-arm-kernel@lists.infradead.org", "Errors-To": "linux-aspeed-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org", "Sender": "\"Linux-aspeed\"\n\t<linux-aspeed-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org>" }, "content": "On both the ast2400 and ast2500 SoCs, the LPC reset controller is\nrequired to bring the UARTs out of reset without waiting for the LPC\nreset to be deasserted.\n\nSigned-off-by: Joel Stanley <joel@jms.id.au>\n---\nBindings and driver change is under reivew:\n https://lkml.org/lkml/2018/2/19/12\n\n arch/arm/boot/dts/aspeed-g4.dtsi | 10 ++++++++++\n arch/arm/boot/dts/aspeed-g5.dtsi | 10 ++++++++++\n 2 files changed, 20 insertions(+)", "diff": "diff --git a/arch/arm/boot/dts/aspeed-g4.dtsi b/arch/arm/boot/dts/aspeed-g4.dtsi\nindex 48c28a71ae7e..36ae23aa3b48 100644\n--- a/arch/arm/boot/dts/aspeed-g4.dtsi\n+++ b/arch/arm/boot/dts/aspeed-g4.dtsi\n@@ -162,6 +162,7 @@\n \t\t\t\treg-shift = <2>;\n \t\t\t\tinterrupts = <9>;\n \t\t\t\tclocks = <&syscon ASPEED_CLK_GATE_UART1CLK>;\n+\t\t\t\tresets = <&lpc_reset 4>;\n \t\t\t\tno-loopback-test;\n \t\t\t\tstatus = \"disabled\";\n \t\t\t};\n@@ -249,6 +250,12 @@\n \t\t\t\t\t\treg = <0x20 0x24 0x48 0x8>;\n \t\t\t\t\t};\n \n+\t\t\t\t\tlpc_reset: reset-controller@18 {\n+\t\t\t\t\t\tcompatible = \"aspeed,ast2400-lpc-reset\";\n+\t\t\t\t\t\treg = <0x18 0x4>;\n+\t\t\t\t\t\t#reset-cells = <1>;\n+\t\t\t\t\t};\n+\n \t\t\t\t\tibt: ibt@c0 {\n \t\t\t\t\t\tcompatible = \"aspeed,ast2400-ibt-bmc\";\n \t\t\t\t\t\treg = <0xc0 0x18>;\n@@ -264,6 +271,7 @@\n \t\t\t\treg-shift = <2>;\n \t\t\t\tinterrupts = <32>;\n \t\t\t\tclocks = <&syscon ASPEED_CLK_GATE_UART2CLK>;\n+\t\t\t\tresets = <&lpc_reset 5>;\n \t\t\t\tno-loopback-test;\n \t\t\t\tstatus = \"disabled\";\n \t\t\t};\n@@ -274,6 +282,7 @@\n \t\t\t\treg-shift = <2>;\n \t\t\t\tinterrupts = <33>;\n \t\t\t\tclocks = <&syscon ASPEED_CLK_GATE_UART3CLK>;\n+\t\t\t\tresets = <&lpc_reset 6>;\n \t\t\t\tno-loopback-test;\n \t\t\t\tstatus = \"disabled\";\n \t\t\t};\n@@ -284,6 +293,7 @@\n \t\t\t\treg-shift = <2>;\n \t\t\t\tinterrupts = <34>;\n \t\t\t\tclocks = <&syscon ASPEED_CLK_GATE_UART4CLK>;\n+\t\t\t\tresets = <&lpc_reset 7>;\n \t\t\t\tno-loopback-test;\n \t\t\t\tstatus = \"disabled\";\n \t\t\t};\ndiff --git a/arch/arm/boot/dts/aspeed-g5.dtsi b/arch/arm/boot/dts/aspeed-g5.dtsi\nindex 8eac57c33880..17ee0fa33a14 100644\n--- a/arch/arm/boot/dts/aspeed-g5.dtsi\n+++ b/arch/arm/boot/dts/aspeed-g5.dtsi\n@@ -205,6 +205,7 @@\n \t\t\t\treg-shift = <2>;\n \t\t\t\tinterrupts = <9>;\n \t\t\t\tclocks = <&syscon ASPEED_CLK_GATE_UART1CLK>;\n+\t\t\t\tresets = <&lpc_reset 4>;\n \t\t\t\tno-loopback-test;\n \t\t\t\tstatus = \"disabled\";\n \t\t\t};\n@@ -299,6 +300,12 @@\n \t\t\t\t\t\treg = <0x20 0x24 0x48 0x8>;\n \t\t\t\t\t};\n \n+\t\t\t\t\tlpc_reset: reset-controller@18 {\n+\t\t\t\t\t\tcompatible = \"aspeed,ast2500-lpc-reset\";\n+\t\t\t\t\t\treg = <0x18 0x4>;\n+\t\t\t\t\t\t#reset-cells = <1>;\n+\t\t\t\t\t};\n+\n \t\t\t\t\tibt: ibt@c0 {\n \t\t\t\t\t\tcompatible = \"aspeed,ast2500-ibt-bmc\";\n \t\t\t\t\t\treg = <0xc0 0x18>;\n@@ -314,6 +321,7 @@\n \t\t\t\treg-shift = <2>;\n \t\t\t\tinterrupts = <32>;\n \t\t\t\tclocks = <&syscon ASPEED_CLK_GATE_UART2CLK>;\n+\t\t\t\tresets = <&lpc_reset 5>;\n \t\t\t\tno-loopback-test;\n \t\t\t\tstatus = \"disabled\";\n \t\t\t};\n@@ -324,6 +332,7 @@\n \t\t\t\treg-shift = <2>;\n \t\t\t\tinterrupts = <33>;\n \t\t\t\tclocks = <&syscon ASPEED_CLK_GATE_UART3CLK>;\n+\t\t\t\tresets = <&lpc_reset 6>;\n \t\t\t\tno-loopback-test;\n \t\t\t\tstatus = \"disabled\";\n \t\t\t};\n@@ -334,6 +343,7 @@\n \t\t\t\treg-shift = <2>;\n \t\t\t\tinterrupts = <34>;\n \t\t\t\tclocks = <&syscon ASPEED_CLK_GATE_UART4CLK>;\n+\t\t\t\tresets = <&lpc_reset 7>;\n \t\t\t\tno-loopback-test;\n \t\t\t\tstatus = \"disabled\";\n \t\t\t};\n", "prefixes": [] }