From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tuomas Tynkkynen Subject: Re: [PATCH 01/13] clk: tegra: Add binding for the Tegra124 DFLL clocksource Date: Fri, 11 Jul 2014 19:48:24 +0300 Message-ID: <53C01558.3090607@nvidia.com> References: <1405028569-14253-1-git-send-email-ttynkkynen@nvidia.com> <1405028569-14253-2-git-send-email-ttynkkynen@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Andrew Bresticker Cc: "linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org" , "linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , Prashant Gaikwad , Mike Turquette , Stephen Warren , Viresh Kumar , Peter De Schrijver , "Rafael J. Wysocki" , Thierry Reding List-Id: devicetree@vger.kernel.org On 11/07/14 19:28, Andrew Bresticker wrote: > On Thu, Jul 10, 2014 at 2:42 PM, Tuomas Tynkkynen wrote: >> The DFLL is the main clocksource for the fast CPU cluster on Tegra124 >> and also provides automatic CPU rail voltage scaling as well. The DFLL >> is a separate IP block from the usual Tegra124 clock-and-reset >> controller, so it gets its own node in the device tree. > >> diff --git a/Documentation/devicetree/bindings/clock/nvidia,tegra124-dfll.txt b/Documentation/devicetree/bindings/clock/nvidia,tegra124-dfll.txt > >> +- nvidia,pmic-voltage-table: Array of 2-tuples. Each entry should have the >> + form , indicating the register value that >> + needs to be programmed to the PMIC for changing the VDD_CPU voltage to >> + the specified voltage. The table must be in ascending order by the voltage. > > Instead of listing the register values for each voltage in the DT, > can't you use regulator_list_voltage() to create this map? > I don't see a way to get the register values that way, unless we assume that the mapping is linear and doesn't have holes. -- nvpublic -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html