From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 78992C74A21 for ; Wed, 10 Jul 2019 13:44:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 58B9920651 for ; Wed, 10 Jul 2019 13:44:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727636AbfGJNoR (ORCPT ); Wed, 10 Jul 2019 09:44:17 -0400 Received: from relay12.mail.gandi.net ([217.70.178.232]:47465 "EHLO relay12.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727577AbfGJNoP (ORCPT ); Wed, 10 Jul 2019 09:44:15 -0400 Received: from localhost (alyon-656-1-672-152.w92-137.abo.wanadoo.fr [92.137.69.152]) (Authenticated sender: gregory.clement@bootlin.com) by relay12.mail.gandi.net (Postfix) with ESMTPSA id 6B1B9200017; Wed, 10 Jul 2019 13:44:11 +0000 (UTC) From: Gregory CLEMENT To: Stephen Boyd , Mike Turquette , linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Rob Herring , devicetree@vger.kernel.org, Jason Cooper , Andrew Lunn , Sebastian Hesselbarth , Gregory CLEMENT , Thomas Petazzoni , linux-arm-kernel@lists.infradead.org, Antoine Tenart , =?UTF-8?q?Miqu=C3=A8l=20Raynal?= , Maxime Chevallier Subject: [PATCH v7 1/6] dt-bindings: ap806: add the cluster clock node in the syscon file Date: Wed, 10 Jul 2019 15:43:41 +0200 Message-Id: <20190710134346.30239-2-gregory.clement@bootlin.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190710134346.30239-1-gregory.clement@bootlin.com> References: <20190710134346.30239-1-gregory.clement@bootlin.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Document the device tree binding for the cluster clock controllers found in the Armada 7K/8K SoCs. Signed-off-by: Gregory CLEMENT --- .../arm/marvell/ap806-system-controller.txt | 31 +++++++++++++++++-- 1 file changed, 29 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt b/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt index 7b8b8eb0191f..4f21c1024073 100644 --- a/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt +++ b/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt @@ -21,8 +21,8 @@ Clocks: The Device Tree node representing the AP806 system controller provides a number of clocks: - - 0: clock of CPU cluster 0 - - 1: clock of CPU cluster 1 + - 0: reference clock of CPU cluster 0 + - 1: reference clock of CPU cluster 1 - 2: fixed PLL at 1200 Mhz - 3: MSS clock, derived from the fixed PLL @@ -143,3 +143,30 @@ ap_syscon1: system-controller@6f8000 { #thermal-sensor-cells = <1>; }; }; + +Cluster clocks: +--------------- + +Device Tree Clock bindings for cluster clock of AP806 Marvell. Each +cluster contain up to 2 CPUs running at the same frequency. + +Required properties: +- compatible: must be "marvell,ap806-cpu-clock"; +- #clock-cells : should be set to 1. + +- clocks : shall be the input parent clock(s) phandle for the clock + (one per cluster) + +- reg: register range associated with the cluster clocks + +ap_syscon1: system-controller@6f8000 { + compatible = "marvell,armada-ap806-syscon1", "syscon", "simple-mfd"; + reg = <0x6f8000 0x1000>; + + cpu_clk: clock-cpu@278 { + compatible = "marvell,ap806-cpu-clock"; + clocks = <&ap_clk 0>, <&ap_clk 1>; + #clock-cells = <1>; + reg = <0x278 0xa30>; + }; +}; -- 2.20.1