From patchwork Mon Apr 7 14:55:44 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Herve Codina X-Patchwork-Id: 14040968 Received: from relay5-d.mail.gandi.net (relay5-d.mail.gandi.net [217.70.183.197]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 590CE20459A; Mon, 7 Apr 2025 14:56:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.183.197 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744037800; cv=none; b=N3DlUULCzFcGnUeI2w4g6KgS34hCE6W8jAFd0z6zkJPE9BNmFKK5y73oeabLnA0JJ2B0JR5Pd3D0xy8uO1Y2J1kkjKl9+9msJERNlPbaAamV8Sbk3IHdpvj7s/6N7IXCbFA3WRv9g6z6oAvcXOVm1l4qcl2T9sVMg7O7dKPR89A= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744037800; c=relaxed/simple; bh=n57HZHLWhLeCWoJGuk+5VRBZFrZrvDEjjDkdpqBODcI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Z9X6D/D4FjpMMlKR+qPtZM5vwFgrumZP12mi9p5pb8k3SuzhLlPDOtY9O9VJpiW1QMz4OsRo1h+RhdYh9jLTx6+vkVXnpE/vZeZTkHtvRXbf8tou+qH8n5e+RVSD02sFgzWue2I0mQ1efndXaH13tCqoFNvRq11W5I9ryHkJVP4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=NL/lwJGY; arc=none smtp.client-ip=217.70.183.197 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="NL/lwJGY" Received: by mail.gandi.net (Postfix) with ESMTPA id B56C544329; Mon, 7 Apr 2025 14:56:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1744037795; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=M4/G8/exgOOvkgKjAj+UibFwMMH8hTvH+jqgXzucqWA=; b=NL/lwJGY4IhVWDGBQIV4jX9Elf9DXdzMg6cgxl1zajKwlwt/1xNlIhdwJI3yHsUYWBZaKX lBwJlii0OyrvJgo2UXJ/y374HpPZJnGGOQJ/pHX8XYWI8MMAKp3LPHAk0IeKBauALvaoub fLd+NDugNMAfWeYw1RAh5RmcsJeUDv1NZV2fCHJy0xS8fic0T9oyQQCdBOIOGd/J5oaw+r Sb4z5MVtFeS85WS7uRRnZAN5/Mov83wGdbYo8mEmvhC67kRv3LAKP5sgSzEuzp2xEkamE6 hIYKZ2E8wVBh+bMAovBsEnc28So1BO7dy7i6n5kvZETvoEz8QLXb7osFozn23Q== From: Herve Codina To: Greg Kroah-Hartman , "Rafael J. Wysocki" , Danilo Krummrich , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Michael Turquette , Stephen Boyd , Andi Shyti , Wolfram Sang , Peter Rosin , Derek Kiernan , Dragan Cvetic , Arnd Bergmann , Herve Codina , Rob Herring , Saravana Kannan , Bjorn Helgaas , Mark Brown , Len Brown , Andy Shevchenko , Daniel Scally , Heikki Krogerus , Sakari Ailus Cc: Wolfram Sang , Geert Uytterhoeven , linux-kernel@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org, linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-pci@vger.kernel.org, linux-spi@vger.kernel.org, linux-acpi@vger.kernel.org, Allan Nielsen , Horatiu Vultur , Steen Hegelund , Luca Ceresoli , Thomas Petazzoni Subject: [PATCH 15/16] misc: lan966x_pci: Add dtso nodes in order to support SFPs Date: Mon, 7 Apr 2025 16:55:44 +0200 Message-ID: <20250407145546.270683-16-herve.codina@bootlin.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250407145546.270683-1-herve.codina@bootlin.com> References: <20250407145546.270683-1-herve.codina@bootlin.com> Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-GND-State: clean X-GND-Score: -100 X-GND-Cause: gggruggvucftvghtrhhoucdtuddrgeefvddrtddtgddvtddtgeekucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuifetpfffkfdpucggtfgfnhhsuhgsshgtrhhisggvnecuuegrihhlohhuthemuceftddunecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjughrpefhvfevufffkffojghfggfgsedtkeertdertddtnecuhfhrohhmpefjvghrvhgvucevohguihhnrgcuoehhvghrvhgvrdgtohguihhnrgessghoohhtlhhinhdrtghomheqnecuggftrfgrthhtvghrnhepheffiefgjeeuleeuueffleeufefglefhjefhheeigedukeetieeltddthfffkeffnecukfhppeeltddrkeelrdduieefrdduvdejnecuvehluhhsthgvrhfuihiivgepkeenucfrrghrrghmpehinhgvthepledtrdekledrudeifedruddvjedphhgvlhhopehlohgtrghlhhhoshhtrdhlohgtrghlughomhgrihhnpdhmrghilhhfrhhomhephhgvrhhvvgdrtghoughinhgrsegsohhothhlihhnrdgtohhmpdhnsggprhgtphhtthhopeeguddprhgtphhtthhopehgrhgvghhkhheslhhinhhugihfohhunhgurghtihhonhdrohhrghdprhgtphhtthhopehrrghfrggvlheskhgvrhhnvghlrdhorhhgpdhrtghpthhtohepuggrkhhrsehkvghrnhgvlhdrohhrghdprhgtphhtthhopehshhgrfihnghhuoheskhgvrhhnvghlrdhorhhgpdhrtghpthhtohepshdrhhgruhgvrhesphgvnhhguhhtrhhonhhigidruggvpdhrt ghpthhtohepkhgvrhhnvghlsehpvghnghhuthhrohhnihigrdguvgdprhgtphhtthhopehfvghsthgvvhgrmhesghhmrghilhdrtghomhdprhgtphhtthhopehmthhurhhquhgvthhtvgessggrhihlihgsrhgvrdgtohhm X-GND-Sasl: herve.codina@bootlin.com Add device-tree nodes needed to support SFPs. Those nodes are: - the clock controller - the i2c controller - the i2c mux - the SFPs themselves and their related ports in the switch Signed-off-by: Herve Codina --- drivers/misc/lan966x_pci.dtso | 111 ++++++++++++++++++++++++++++++++++ 1 file changed, 111 insertions(+) diff --git a/drivers/misc/lan966x_pci.dtso b/drivers/misc/lan966x_pci.dtso index 94a967b384f3..a2015b46cd44 100644 --- a/drivers/misc/lan966x_pci.dtso +++ b/drivers/misc/lan966x_pci.dtso @@ -47,6 +47,47 @@ sys_clk: clock-15625000 { clock-frequency = <15625000>; /* System clock = 15.625MHz */ }; + i2c0_emux: i2c0-emux { + compatible = "i2c-mux-pinctrl"; + #address-cells = <1>; + #size-cells = <0>; + i2c-parent = <&i2c0>; + pinctrl-names = "i2c102", "i2c103", "idle"; + pinctrl-0 = <&i2cmux_0>; + pinctrl-1 = <&i2cmux_1>; + pinctrl-2 = <&i2cmux_pins>; + + i2c102: i2c@0 { + reg = <0>; + #address-cells = <1>; + #size-cells = <0>; + }; + + i2c103: i2c@1 { + reg = <1>; + #address-cells = <1>; + #size-cells = <0>; + }; + }; + + sfp2: sfp2 { + compatible = "sff,sfp"; + i2c-bus = <&i2c102>; + tx-disable-gpios = <&gpio 0 GPIO_ACTIVE_HIGH>; + los-gpios = <&gpio 25 GPIO_ACTIVE_HIGH>; + mod-def0-gpios = <&gpio 18 GPIO_ACTIVE_LOW>; + tx-fault-gpios = <&gpio 2 GPIO_ACTIVE_HIGH>; + }; + + sfp3: sfp3 { + compatible = "sff,sfp"; + i2c-bus = <&i2c103>; + tx-disable-gpios = <&gpio 1 GPIO_ACTIVE_HIGH>; + los-gpios = <&gpio 26 GPIO_ACTIVE_HIGH>; + mod-def0-gpios = <&gpio 19 GPIO_ACTIVE_LOW>; + tx-fault-gpios = <&gpio 3 GPIO_ACTIVE_HIGH>; + }; + pci-ep-bus@0 { compatible = "simple-bus"; #address-cells = <1>; @@ -95,6 +136,50 @@ port1: port@1 { phy-mode = "gmii"; phys = <&serdes 1 CU(1)>; }; + + port2: port@2 { + reg = <2>; + phy-mode = "sgmii"; + phys = <&serdes 2 SERDES6G(0)>; + sfp = <&sfp2>; + managed = "in-band-status"; + }; + + port3: port@3 { + reg = <3>; + phy-mode = "sgmii"; + phys = <&serdes 3 SERDES6G(1)>; + sfp = <&sfp3>; + managed = "in-band-status"; + }; + }; + }; + + flx0: flexcom@e0040000 { + compatible = "atmel,sama5d2-flexcom"; + reg = <0xe0040000 0x100>; + clocks = <&clks GCK_ID_FLEXCOM0>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0xe0040000 0x800>; + + atmel,flexcom-mode = ; + + i2c0: i2c@600 { + compatible = "microchip,sam9x60-i2c"; + reg = <0x600 0x200>; + interrupt-parent = <&oic>; + interrupts = <48 IRQ_TYPE_LEVEL_HIGH>; + #address-cells = <1>; + #size-cells = <0>; + clocks = <&clks GCK_ID_FLEXCOM0>; + assigned-clocks = <&clks GCK_ID_FLEXCOM0>; + assigned-clock-rates = <20000000>; + pinctrl-0 = <&fc0_a_pins>; + pinctrl-names = "default"; + i2c-analog-filter; + i2c-digital-filter; + i2c-digital-filter-width-ns = <35>; }; }; @@ -103,6 +188,14 @@ cpu_ctrl: syscon@e00c0000 { reg = <0xe00c0000 0xa8>; }; + clks: clock-controller@e00c00a8 { + compatible = "microchip,lan966x-gck"; + #clock-cells = <1>; + clocks = <&cpu_clk>, <&ddr_clk>, <&sys_clk>; + clock-names = "cpu", "ddr", "sys"; + reg = <0xe00c00a8 0x38>, <0xe00c02cc 0x4>; + }; + oic: oic@e00c0120 { compatible = "microchip,lan966x-oic"; #interrupt-cells = <2>; @@ -143,6 +236,24 @@ fc0_a_pins: fcb4-i2c-pins { pins = "GPIO_9", "GPIO_10"; function = "fc0_a"; }; + + i2cmux_pins: i2cmux-pins { + pins = "GPIO_76", "GPIO_77"; + function = "twi_slc_gate"; + output-low; + }; + + i2cmux_0: i2cmux-0 { + pins = "GPIO_76"; + function = "twi_slc_gate"; + output-high; + }; + + i2cmux_1: i2cmux-1 { + pins = "GPIO_77"; + function = "twi_slc_gate"; + output-high; + }; }; mdio1: mdio@e200413c {