From patchwork Wed Oct 5 17:18:22 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Burton X-Patchwork-Id: 9363263 X-Patchwork-Delegate: sboyd@codeaurora.org Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id ADD48600C8 for ; Wed, 5 Oct 2016 17:22:56 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 99F39283E2 for ; Wed, 5 Oct 2016 17:22:56 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8B725284CD; Wed, 5 Oct 2016 17:22:56 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E183D283E2 for ; Wed, 5 Oct 2016 17:22:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754817AbcJERWz (ORCPT ); Wed, 5 Oct 2016 13:22:55 -0400 Received: from mailapp02.imgtec.com ([217.156.133.132]:50974 "EHLO mailapp01.imgtec.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754738AbcJERWy (ORCPT ); Wed, 5 Oct 2016 13:22:54 -0400 Received: from HHMAIL03.hh.imgtec.org (unknown [10.44.0.21]) by Forcepoint Email with ESMTPS id 2D1F9EDA52E4B; Wed, 5 Oct 2016 18:22:50 +0100 (IST) Received: from HHMAIL01.hh.imgtec.org (10.100.10.19) by HHMAIL03.hh.imgtec.org (10.44.0.21) with Microsoft SMTP Server (TLS) id 14.3.294.0; Wed, 5 Oct 2016 18:22:51 +0100 Received: from localhost (10.100.200.82) by HHMAIL01.hh.imgtec.org (10.100.10.21) with Microsoft SMTP Server (TLS) id 14.3.294.0; Wed, 5 Oct 2016 18:22:51 +0100 From: Paul Burton To: , Ralf Baechle CC: Paul Burton , Michael Turquette , Stephen Boyd , , Rob Herring , Mark Rutland , Subject: [PATCH v3 16/18] dt-bindings: Document img,boston-clock binding Date: Wed, 5 Oct 2016 18:18:22 +0100 Message-ID: <20161005171824.18014-17-paul.burton@imgtec.com> X-Mailer: git-send-email 2.10.0 In-Reply-To: <20161005171824.18014-1-paul.burton@imgtec.com> References: <20161005171824.18014-1-paul.burton@imgtec.com> MIME-Version: 1.0 X-Originating-IP: [10.100.200.82] Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add device tree binding documentation for the clocks provided by the MIPS Boston development board from Imagination Technologies, and a header file describing the available clocks for use by device trees & driver. Signed-off-by: Paul Burton Cc: Michael Turquette Cc: Stephen Boyd Cc: linux-clk@vger.kernel.org Cc: Rob Herring Cc: Mark Rutland Cc: devicetree@vger.kernel.org --- Changes in v3: None Changes in v2: - Add BOSTON_CLK_INPUT to expose the input clock. .../devicetree/bindings/clock/img,boston-clock.txt | 27 ++++++++++++++++++++++ include/dt-bindings/clock/boston-clock.h | 14 +++++++++++ 2 files changed, 41 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/img,boston-clock.txt create mode 100644 include/dt-bindings/clock/boston-clock.h diff --git a/Documentation/devicetree/bindings/clock/img,boston-clock.txt b/Documentation/devicetree/bindings/clock/img,boston-clock.txt new file mode 100644 index 0000000..c01ea60 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/img,boston-clock.txt @@ -0,0 +1,27 @@ +Binding for Imagination Technologies MIPS Boston clock sources. + +This binding uses the common clock binding[1]. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +Required properties: +- compatible : Should be "img,boston-clock". +- #clock-cells : Should be set to 1. + Values available for clock consumers can be found in the header file: + +- regmap : Phandle to the Boston platform register system controller. + This should contain a phandle to the system controller node covering the + platform registers provided by the Boston board. + +Example: + + clk_boston: clock { + compatible = "img,boston-clock"; + #clock-cells = <1>; + regmap = <&plat_regs>; + }; + + uart0: uart@17ffe000 { + /* ... */ + clocks = <&clk_boston BOSTON_CLK_SYS>; + }; diff --git a/include/dt-bindings/clock/boston-clock.h b/include/dt-bindings/clock/boston-clock.h new file mode 100644 index 0000000..a6f0098 --- /dev/null +++ b/include/dt-bindings/clock/boston-clock.h @@ -0,0 +1,14 @@ +/* + * Copyright (C) 2016 Imagination Technologies + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#ifndef __DT_BINDINGS_CLOCK_BOSTON_CLOCK_H__ +#define __DT_BINDINGS_CLOCK_BOSTON_CLOCK_H__ + +#define BOSTON_CLK_INPUT 0 +#define BOSTON_CLK_SYS 1 +#define BOSTON_CLK_CPU 2 + +#endif /* __DT_BINDINGS_CLOCK_BOSTON_CLOCK_H__ */