From mboxrd@z Thu Jan 1 00:00:00 1970 From: will.deacon@arm.com (Will Deacon) Date: Wed, 25 Feb 2015 13:55:12 +0000 Subject: [PATCH 1/2] arm64: juno: Add APB registers and LEDs using syscon In-Reply-To: <1424866589-2988-1-git-send-email-linus.walleij@linaro.org> References: <1424866589-2988-1-git-send-email-linus.walleij@linaro.org> Message-ID: <20150225135512.GE12377@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Wed, Feb 25, 2015 at 12:16:29PM +0000, Linus Walleij wrote: > This defines the Juno "APB system registers" as a syscon device, > and all the LEDs controlled by the APB system registers right > below it using the syscon LEDs driver on top of syscon. Define > LED0 for heartbeat, LED1 for MMC0 activity and the following > four LEDs indicating CPU activity using the Linux-specific > DT bindings for triggers. > > This is the pattern and same drivers as used on the legacy > platform device trees for the ARM Integrators and the RealView > PB1176. Stupid question, but where are these LEDs located on the platform? I tried enabling this, but all it seemed to do was make hackbench slightly slower :) Will