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GET /api/patches/2215938/?format=api
{ "id": 2215938, "url": "http://patchwork.ozlabs.org/api/patches/2215938/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-gpio/patch/20260325143555.451852-26-herve.codina@bootlin.com/", "project": { "id": 42, "url": "http://patchwork.ozlabs.org/api/projects/42/?format=api", "name": "Linux GPIO development", "link_name": "linux-gpio", "list_id": "linux-gpio.vger.kernel.org", "list_email": "linux-gpio@vger.kernel.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260325143555.451852-26-herve.codina@bootlin.com>", "list_archive_url": null, "date": "2026-03-25T14:35:52", "name": "[v6,25/27] misc: lan966x_pci: Add dtsi/dtso nodes in order to support SFPs", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "e57d956f5dcc380fd9e700b9ce960640f2b92a98", "submitter": { "id": 81983, "url": "http://patchwork.ozlabs.org/api/people/81983/?format=api", "name": "Herve Codina", "email": "herve.codina@bootlin.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-gpio/patch/20260325143555.451852-26-herve.codina@bootlin.com/mbox/", "series": [ { "id": 497454, "url": "http://patchwork.ozlabs.org/api/series/497454/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-gpio/list/?series=497454", "date": "2026-03-25T14:35:29", "name": "lan966x pci device: Add support for SFPs", "version": 6, "mbox": "http://patchwork.ozlabs.org/series/497454/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2215938/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2215938/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linux-gpio+bounces-34161-incoming=patchwork.ozlabs.org@vger.kernel.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linux-gpio@vger.kernel.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=bootlin.com header.i=@bootlin.com header.a=rsa-sha256\n header.s=dkim header.b=rLK9j1IT;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c04:e001:36c::12fc:5321; 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a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1774449824; cv=none;\n b=XL+c989yuGCLvDHaRu/NieM36NqyvhLLU/Wpx6Mk44ycSNH7AiIc2uoiQnEE38QqFoHcUwoECFEMXio2hN/LTXGCBVOCc380mUDt562fNU3PN12uPzKMXJ/HaV/EPQY8NBeEGmjse+PGaWL5DAMi5EJTIgGTWIlsKycXJZWvAco=", "ARC-Message-Signature": "i=1; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1774449824; c=relaxed/simple;\n\tbh=xmLqHbZKT2Cv/CWmcreGU77H12f7Xun8iJll/1MC4EU=;\n\th=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References:\n\t MIME-Version;\n b=lI0ntEYpQHEUZoPz/uRBZrGJoNviyssq8mbxXPiw6iXxBtPYihbctKe8EyG6ZN6TAUJWZqVVqQH3x50LcJ55e0Olnk0vJI4boNQ1NgeOWcG6hHqwtXsNbjmvmFU45L7LjIzHlOmrxl7nkYM0DrfNUD1Iu43YJwtbaqXhJ316f9c=", "ARC-Authentication-Results": "i=1; smtp.subspace.kernel.org;\n dmarc=pass (p=reject dis=none) header.from=bootlin.com;\n spf=pass smtp.mailfrom=bootlin.com;\n dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com\n header.b=rLK9j1IT; arc=none smtp.client-ip=185.246.85.4", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim;\n\tt=1774449818; h=from:subject:date:message-id:to:cc:mime-version:\n\t content-transfer-encoding:in-reply-to:references;\n\tbh=gX4rEvCiby9B2yvI++vEu3sfDTTG+/1csPgc0WEGIYs=;\n\tb=rLK9j1ITz0z0bNGSEhOrpOe7jzE4egSQ9Ey8bDhEEW7rnocN/skTK93R5+CdkmPXK+VGDZ\n\th8wtTOqoJwB06VQRSfminh4dl9Et3oX89KvFjdrvOjJp5ur2+cJkesg5ZqC9RjlVOlrnh+\n\tW/1X5Im3k1nKsYMFkz+OergHTXKBrMGsh+JRuXbjzCGnNlmywFOKzyO+u9dLmrN5zf2xQV\n\tP+SwWsC5rPt0enndmu3ajlC5eqHqvP0pPmYys9wFS3NXisOC20N4VtHeXXpNOzAAGI3dra\n\tndPYNEyp5O+HSdRrIAGYffxvUH2GDQfSEtH0Y6sbrQMGaK8wG1Z9EzJ/vlxEyg==", "From": "Herve Codina <herve.codina@bootlin.com>", "To": "Andrew Lunn <andrew@lunn.ch>,\n\tRob Herring <robh@kernel.org>,\n\tKrzysztof Kozlowski <krzk+dt@kernel.org>,\n\tConor Dooley <conor+dt@kernel.org>,\n\tGeert Uytterhoeven <geert+renesas@glider.be>,\n\tKalle Niemi <kaleposti@gmail.com>,\n\tMatti Vaittinen <mazziesaccount@gmail.com>,\n\tGreg Kroah-Hartman <gregkh@linuxfoundation.org>,\n\t\"Rafael J. Wysocki\" <rafael@kernel.org>,\n\tDanilo Krummrich <dakr@kernel.org>,\n\tFrank Li <Frank.Li@nxp.com>,\n\tSascha Hauer <s.hauer@pengutronix.de>,\n\tPengutronix Kernel Team <kernel@pengutronix.de>,\n\tFabio Estevam <festevam@gmail.com>,\n\tMichael Turquette <mturquette@baylibre.com>,\n\tStephen Boyd <sboyd@kernel.org>,\n\tAndi Shyti <andi.shyti@kernel.org>,\n\tWolfram Sang <wsa+renesas@sang-engineering.com>,\n\tPeter Rosin <peda@axentia.se>,\n\tArnd Bergmann <arnd@arndb.de>,\n\tHerve Codina <herve.codina@bootlin.com>,\n\tSaravana Kannan <saravanak@kernel.org>,\n\tBjorn Helgaas <bhelgaas@google.com>,\n\tCharles Keepax <ckeepax@opensource.cirrus.com>,\n\tRichard Fitzgerald <rf@opensource.cirrus.com>,\n\tDavid Rhodes <david.rhodes@cirrus.com>,\n\tLinus Walleij <linusw@kernel.org>,\n\tUlf Hansson <ulf.hansson@linaro.org>,\n\tMark Brown <broonie@kernel.org>,\n\tLen Brown <lenb@kernel.org>,\n\tAndy Shevchenko <andriy.shevchenko@linux.intel.com>,\n\tDaniel Scally <djrscally@gmail.com>,\n\tHeikki Krogerus <heikki.krogerus@linux.intel.com>,\n\tSakari Ailus <sakari.ailus@linux.intel.com>,\n\tDavidlohr Bueso <dave@stgolabs.net>,\n\tJonathan Cameron <jonathan.cameron@huawei.com>,\n\tDave Jiang <dave.jiang@intel.com>,\n\tAlison Schofield <alison.schofield@intel.com>,\n\tVishal Verma <vishal.l.verma@intel.com>,\n\tIra Weiny <ira.weiny@intel.com>,\n\tDan Williams <dan.j.williams@intel.com>,\n\tShawn Guo <shawnguo@kernel.org>", "Cc": "Wolfram Sang <wsa@kernel.org>,\n\tlinux-kernel@vger.kernel.org,\n\tdriver-core@lists.linux.dev,\n\timx@lists.linux.dev,\n\tlinux-arm-kernel@lists.infradead.org,\n\tlinux-clk@vger.kernel.org,\n\tlinux-i2c@vger.kernel.org,\n\tdevicetree@vger.kernel.org,\n\tlinux-pci@vger.kernel.org,\n\tlinux-sound@vger.kernel.org,\n\tpatches@opensource.cirrus.com,\n\tlinux-gpio@vger.kernel.org,\n\tlinux-pm@vger.kernel.org,\n\tlinux-spi@vger.kernel.org,\n\tlinux-acpi@vger.kernel.org,\n\tlinux-cxl@vger.kernel.org,\n\tAllan Nielsen <allan.nielsen@microchip.com>,\n\tHoratiu Vultur <horatiu.vultur@microchip.com>,\n\tSteen Hegelund <steen.hegelund@microchip.com>,\n\tLuca Ceresoli <luca.ceresoli@bootlin.com>,\n\tThomas Petazzoni <thomas.petazzoni@bootlin.com>", "Subject": "[PATCH v6 25/27] misc: lan966x_pci: Add dtsi/dtso nodes in order to\n support SFPs", "Date": "Wed, 25 Mar 2026 15:35:52 +0100", "Message-ID": "<20260325143555.451852-26-herve.codina@bootlin.com>", "X-Mailer": "git-send-email 2.53.0", "In-Reply-To": "<20260325143555.451852-1-herve.codina@bootlin.com>", "References": "<20260325143555.451852-1-herve.codina@bootlin.com>", "Precedence": "bulk", "X-Mailing-List": "linux-gpio@vger.kernel.org", "List-Id": "<linux-gpio.vger.kernel.org>", "List-Subscribe": "<mailto:linux-gpio+subscribe@vger.kernel.org>", "List-Unsubscribe": "<mailto:linux-gpio+unsubscribe@vger.kernel.org>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-Last-TLS-Session-Version": "TLSv1.3" }, "content": "Add device-tree nodes needed to support SFPs.\nThose nodes are:\n - the clock controller\n - the i2c controller\n - the i2c mux\n - the SFPs themselves and their related ports in the switch\n\nSigned-off-by: Herve Codina <herve.codina@bootlin.com>\n---\n drivers/misc/lan966x_evb_lan9662_nic.dtso | 96 +++++++++++++++++++++++\n drivers/misc/lan966x_pci.dtsi | 42 ++++++++++\n 2 files changed, 138 insertions(+)", "diff": "diff --git a/drivers/misc/lan966x_evb_lan9662_nic.dtso b/drivers/misc/lan966x_evb_lan9662_nic.dtso\nindex 3ad50abee72d..20e1fe4f78bf 100644\n--- a/drivers/misc/lan966x_evb_lan9662_nic.dtso\n+++ b/drivers/misc/lan966x_evb_lan9662_nic.dtso\n@@ -4,6 +4,7 @@\n */\n \n #include <dt-bindings/gpio/gpio.h>\n+#include <dt-bindings/mfd/atmel-flexcom.h>\n #include <dt-bindings/phy/phy-lan966x-serdes.h>\n \n /dts-v1/;\n@@ -27,15 +28,94 @@ __overlay__ {\n \t\t\t#size-cells = <2>;\n \n \t\t\t#include \"lan966x_pci.dtsi\"\n+\n+\t\t\ti2c0_emux: i2c0-emux {\n+\t\t\t\tcompatible = \"i2c-mux-pinctrl\";\n+\t\t\t\t#address-cells = <1>;\n+\t\t\t\t#size-cells = <0>;\n+\t\t\t\ti2c-parent = <&i2c0>;\n+\t\t\t\tpinctrl-names = \"i2c102\", \"i2c103\", \"idle\";\n+\t\t\t\tpinctrl-0 = <&i2cmux_0>;\n+\t\t\t\tpinctrl-1 = <&i2cmux_1>;\n+\t\t\t\tpinctrl-2 = <&i2cmux_pins>;\n+\n+\t\t\t\ti2c102: i2c@0 {\n+\t\t\t\t\treg = <0>;\n+\t\t\t\t\t#address-cells = <1>;\n+\t\t\t\t\t#size-cells = <0>;\n+\t\t\t\t};\n+\n+\t\t\t\ti2c103: i2c@1 {\n+\t\t\t\t\treg = <1>;\n+\t\t\t\t\t#address-cells = <1>;\n+\t\t\t\t\t#size-cells = <0>;\n+\t\t\t\t};\n+\t\t\t};\n+\n+\t\t\tsfp2: sfp2 {\n+\t\t\t\tcompatible = \"sff,sfp\";\n+\t\t\t\ti2c-bus = <&i2c102>;\n+\t\t\t\ttx-disable-gpios = <&gpio 0 GPIO_ACTIVE_HIGH>;\n+\t\t\t\tlos-gpios = <&gpio 25 GPIO_ACTIVE_HIGH>;\n+\t\t\t\tmod-def0-gpios = <&gpio 18 GPIO_ACTIVE_LOW>;\n+\t\t\t\ttx-fault-gpios = <&gpio 2 GPIO_ACTIVE_HIGH>;\n+\t\t\t};\n+\n+\t\t\tsfp3: sfp3 {\n+\t\t\t\tcompatible = \"sff,sfp\";\n+\t\t\t\ti2c-bus = <&i2c103>;\n+\t\t\t\ttx-disable-gpios = <&gpio 1 GPIO_ACTIVE_HIGH>;\n+\t\t\t\tlos-gpios = <&gpio 26 GPIO_ACTIVE_HIGH>;\n+\t\t\t\tmod-def0-gpios = <&gpio 19 GPIO_ACTIVE_LOW>;\n+\t\t\t\ttx-fault-gpios = <&gpio 3 GPIO_ACTIVE_HIGH>;\n+\t\t\t};\n \t\t};\n \t};\n };\n \n+&flx0 {\n+\tatmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;\n+\tstatus = \"okay\";\n+};\n+\n+&i2c0 {\n+\tpinctrl-0 = <&fc0_a_pins>;\n+\tpinctrl-names = \"default\";\n+\ti2c-analog-filter;\n+\ti2c-digital-filter;\n+\ti2c-digital-filter-width-ns = <35>;\n+\tstatus = \"okay\";\n+};\n+\n &gpio {\n \ttod_pins: tod_pins {\n \t\tpins = \"GPIO_36\";\n \t\tfunction = \"ptpsync_1\";\n \t};\n+\n+\tfc0_a_pins: fcb4-i2c-pins {\n+\t\t/* RXD, TXD */\n+\t\tpins = \"GPIO_9\", \"GPIO_10\";\n+\t\tfunction = \"fc0_a\";\n+\t};\n+\n+\ti2cmux_pins: i2cmux-pins {\n+\t\tpins = \"GPIO_76\", \"GPIO_77\";\n+\t\tfunction = \"twi_slc_gate\";\n+\t\toutput-low;\n+\t};\n+\n+\ti2cmux_0: i2cmux-0 {\n+\t\tpins = \"GPIO_76\";\n+\t\tfunction = \"twi_slc_gate\";\n+\t\toutput-high;\n+\t};\n+\n+\ti2cmux_1: i2cmux-1 {\n+\t\tpins = \"GPIO_77\";\n+\t\tfunction = \"twi_slc_gate\";\n+\t\toutput-high;\n+\t};\n };\n \n &lan966x_phy0 {\n@@ -64,6 +144,22 @@ &port1 {\n \tstatus = \"okay\";\n };\n \n+&port2 {\n+\tphy-mode = \"sgmii\";\n+\tphys = <&serdes 2 SERDES6G(0)>;\n+\tsfp = <&sfp2>;\n+\tmanaged = \"in-band-status\";\n+\tstatus = \"okay\";\n+};\n+\n+&port3 {\n+\tphy-mode = \"sgmii\";\n+\tphys = <&serdes 3 SERDES6G(1)>;\n+\tsfp = <&sfp3>;\n+\tmanaged = \"in-band-status\";\n+\tstatus = \"okay\";\n+};\n+\n &switch {\n \tpinctrl-names = \"default\";\n \tpinctrl-0 = <&tod_pins>;\ndiff --git a/drivers/misc/lan966x_pci.dtsi b/drivers/misc/lan966x_pci.dtsi\nindex 170298084fa5..d5c2056e4e5c 100644\n--- a/drivers/misc/lan966x_pci.dtsi\n+++ b/drivers/misc/lan966x_pci.dtsi\n@@ -3,6 +3,7 @@\n * Copyright (C) 2025 Microchip UNG\n */\n \n+#include <dt-bindings/clock/microchip,lan966x.h>\n #include <dt-bindings/interrupt-controller/irq.h>\n \n cpu_clk: clock-600000000 {\n@@ -61,6 +62,39 @@ port1: port@1 {\n \t\t\t\treg = <1>;\n \t\t\t\tstatus = \"disabled\";\n \t\t\t};\n+\n+\t\t\tport2: port@2 {\n+\t\t\t\treg = <2>;\n+\t\t\t\tstatus = \"disabled\";\n+\t\t\t};\n+\n+\t\t\tport3: port@3 {\n+\t\t\t\treg = <3>;\n+\t\t\t\tstatus = \"disabled\";\n+\t\t\t};\n+\t\t};\n+\t};\n+\n+\tflx0: flexcom@e0040000 {\n+\t\tcompatible = \"atmel,sama5d2-flexcom\";\n+\t\treg = <0xe0040000 0x100>;\n+\t\tclocks = <&clks GCK_ID_FLEXCOM0>;\n+\t\t#address-cells = <1>;\n+\t\t#size-cells = <1>;\n+\t\tranges = <0x0 0xe0040000 0x800>;\n+\t\tstatus = \"disabled\";\n+\n+\t\ti2c0: i2c@600 {\n+\t\t\tcompatible = \"microchip,sam9x60-i2c\";\n+\t\t\treg = <0x600 0x200>;\n+\t\t\tinterrupt-parent = <&oic>;\n+\t\t\tinterrupts = <48 IRQ_TYPE_LEVEL_HIGH>;\n+\t\t\t#address-cells = <1>;\n+\t\t\t#size-cells = <0>;\n+\t\t\tclocks = <&clks GCK_ID_FLEXCOM0>;\n+\t\t\tassigned-clocks = <&clks GCK_ID_FLEXCOM0>;\n+\t\t\tassigned-clock-rates = <20000000>;\n+\t\t\tstatus = \"disabled\";\n \t\t};\n \t};\n \n@@ -69,6 +103,14 @@ cpu_ctrl: syscon@e00c0000 {\n \t\treg = <0xe00c0000 0xa8>;\n \t};\n \n+\tclks: clock-controller@e00c00a8 {\n+\t\tcompatible = \"microchip,lan966x-gck\";\n+\t\t#clock-cells = <1>;\n+\t\tclocks = <&cpu_clk>, <&ddr_clk>, <&sys_clk>;\n+\t\tclock-names = \"cpu\", \"ddr\", \"sys\";\n+\t\treg = <0xe00c00a8 0x38>, <0xe00c02cc 0x4>;\n+\t};\n+\n \toic: oic@e00c0120 {\n \t\tcompatible = \"microchip,lan966x-oic\";\n \t\t#interrupt-cells = <2>;\n", "prefixes": [ "v6", "25/27" ] }