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d="scan'208";a="38261332" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa6.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 22 Dec 2020 03:09:44 -0700 Received: from chn-vm-ex01.mchp-main.com (10.10.85.143) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1979.3; Tue, 22 Dec 2020 03:09:44 -0700 Received: from soft-dev10.microchip.com (10.10.115.15) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1979.3 via Frontend Transport; Tue, 22 Dec 2020 03:09:42 -0700 References: <20201113145151.68900-1-lars.povlsen@microchip.com> <20201113145151.68900-4-lars.povlsen@microchip.com> <20201220224804.GA3107610@lunn.ch> User-agent: mu4e 1.2.0; emacs 26.3 From: Lars Povlsen To: Andrew Lunn Subject: Re: [PATCH v10 3/3] arm64: dts: sparx5: Add SGPIO devices In-Reply-To: <20201220224804.GA3107610@lunn.ch> Date: Tue, 22 Dec 2020 11:09:41 +0100 Message-ID: <87eejip2xm.fsf@microchip.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201222_050946_929056_A25FF5C6 X-CRM114-Status: GOOD ( 13.14 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Alexandre Belloni , Linus Walleij , linux-kernel@vger.kernel.org, Microchip Linux Driver Support , linux-gpio@vger.kernel.org, Andy Shevchenko , linux-arm-kernel@lists.infradead.org, Lars Povlsen Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Andrew Lunn writes: > On Fri, Nov 13, 2020 at 03:51:51PM +0100, Lars Povlsen wrote: >> + led@8 { >> + label = "eth12:green"; >> + gpios = <&sgpio_out0 12 0 GPIO_ACTIVE_HIGH>; >> + default-state = "off"; >> + }; >> + led@9 { >> + label = "eth12:yellow"; >> + gpios = <&sgpio_out0 12 1 GPIO_ACTIVE_HIGH>; >> + default-state = "off"; >> + }; > > Hi Lars > > I did not see these patches earlier, but i've been looking at the > switch driver patches recently, so went digging. > > Can the Ethernet switch itself control these LEDs for indicating > things like packet receive/transmit, link state, and link speed? Or > are they purely software controlled? > > Thanks > Andrew Hi Andrew! No, the SGPIO device is separate from the switch device as such. I was planning to couple the two by means of "led events" in a later patch. ---Lars -- Lars Povlsen, Microchip _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel