From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1031647AbbKEBma (ORCPT ); Wed, 4 Nov 2015 20:42:30 -0500 Received: from mail-pa0-f46.google.com ([209.85.220.46]:34219 "EHLO mail-pa0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1031616AbbKEBmX (ORCPT ); Wed, 4 Nov 2015 20:42:23 -0500 From: Viresh Kumar To: Rafael Wysocki , robh+dt@kernel.org, sboyd@codeaurora.org, lee.jones@linaro.org Cc: linaro-kernel@lists.linaro.org, linux-pm@vger.kernel.org, mark.rutland@arm.com, pawel.moll@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, nm@ti.com, devicetree@vger.kernel.org, b.zolnierkie@samsung.com, m.szyprowski@samsung.com, Viresh Kumar , linux-kernel@vger.kernel.org (open list), "Rafael J. Wysocki" Subject: [PATCH V2 3/5] PM / OPP: Remove 'operating-points-names' binding Date: Thu, 5 Nov 2015 07:11:54 +0530 Message-Id: X-Mailer: git-send-email 2.6.2.198.g614a2ac In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org These aren't used until now by any DT files and wouldn't be used now as we have a better scheme in place now, i.e. opp-property- properties. Remove the (useless) binding without breaking ABI. Reviewed-by: Stephen Boyd Signed-off-by: Viresh Kumar --- Documentation/devicetree/bindings/opp/opp.txt | 62 +-------------------------- 1 file changed, 2 insertions(+), 60 deletions(-) diff --git a/Documentation/devicetree/bindings/opp/opp.txt b/Documentation/devicetree/bindings/opp/opp.txt index 61c6f25cf8e2..30c4bb3718bc 100644 --- a/Documentation/devicetree/bindings/opp/opp.txt +++ b/Documentation/devicetree/bindings/opp/opp.txt @@ -45,21 +45,10 @@ Devices supporting OPPs must set their "operating-points-v2" property with phandle to a OPP table in their DT node. The OPP core will use this phandle to find the operating points for the device. -Devices may want to choose OPP tables at runtime and so can provide a list of -phandles here. But only *one* of them should be chosen at runtime. This must be -accompanied by a corresponding "operating-points-names" property, to uniquely -identify the OPP tables. - If required, this can be extended for SoC vendor specfic bindings. Such bindings should be documented as Documentation/devicetree/bindings/power/-opp.txt and should have a compatible description like: "operating-points-v2-". -Optional properties: -- operating-points-names: Names of OPP tables (required if multiple OPP - tables are present), to uniquely identify them. The same list must be present - for all the CPUs which are sharing clock/voltage rails and hence the OPP - tables. - * OPP Table Node This describes the OPPs belonging to a device. This node can have following @@ -454,54 +443,7 @@ Example 4: Handling multiple regulators }; }; -Example 5: Multiple OPP tables - -/ { - cpus { - cpu@0 { - compatible = "arm,cortex-a7"; - ... - - cpu-supply = <&cpu_supply> - operating-points-v2 = <&cpu0_opp_table_slow>, <&cpu0_opp_table_fast>; - operating-points-names = "slow", "fast"; - }; - }; - - cpu0_opp_table_slow: opp_table_slow { - compatible = "operating-points-v2"; - status = "okay"; - opp-shared; - - opp00 { - opp-hz = /bits/ 64 <600000000>; - ... - }; - - opp01 { - opp-hz = /bits/ 64 <800000000>; - ... - }; - }; - - cpu0_opp_table_fast: opp_table_fast { - compatible = "operating-points-v2"; - status = "okay"; - opp-shared; - - opp10 { - opp-hz = /bits/ 64 <1000000000>; - ... - }; - - opp11 { - opp-hz = /bits/ 64 <1100000000>; - ... - }; - }; -}; - -Example 6: opp-supported-hw +Example 5: opp-supported-hw (example: three level hierarchy of versions: cuts, substrate and process) / { @@ -546,7 +488,7 @@ Example 6: opp-supported-hw }; }; -Example 7: opp-microvolt-, opp-microamp-, turbo-mode-, +Example 6: opp-microvolt-, opp-microamp-, turbo-mode-, opp-suspend-: (example: device with two possible microvolt ranges: slow and fast) -- 2.6.2.198.g614a2ac