From patchwork Sat Jun 17 20:52:46 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Burton X-Patchwork-Id: 9794407 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 C9D0C60348 for ; Sat, 17 Jun 2017 20:54:09 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A966E201BC for ; Sat, 17 Jun 2017 20:54:09 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8C5E62841D; Sat, 17 Jun 2017 20:54:09 +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 AF41B201BC for ; Sat, 17 Jun 2017 20:54:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752465AbdFQUyH (ORCPT ); Sat, 17 Jun 2017 16:54:07 -0400 Received: from mailapp01.imgtec.com ([195.59.15.196]:56312 "EHLO mailapp01.imgtec.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752446AbdFQUyH (ORCPT ); Sat, 17 Jun 2017 16:54:07 -0400 Received: from HHMAIL01.hh.imgtec.org (unknown [10.100.10.19]) by Forcepoint Email with ESMTPS id 30460C119678A; Sat, 17 Jun 2017 21:54:00 +0100 (IST) Received: from localhost (10.20.78.225) by HHMAIL01.hh.imgtec.org (10.100.10.21) with Microsoft SMTP Server (TLS) id 14.3.294.0; Sat, 17 Jun 2017 21:54:04 +0100 From: Paul Burton To: CC: Ralf Baechle , Paul Burton , Frank Rowand , Michael Turquette , Rob Herring , Stephen Boyd , , Subject: [PATCH v5 1/4] dt-bindings: Document img,boston-clock binding Date: Sat, 17 Jun 2017 13:52:46 -0700 Message-ID: <20170617205249.1391-2-paul.burton@imgtec.com> X-Mailer: git-send-email 2.13.1 In-Reply-To: <20170617205249.1391-1-paul.burton@imgtec.com> References: <20170617205249.1391-1-paul.burton@imgtec.com> MIME-Version: 1.0 X-Originating-IP: [10.20.78.225] 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: Frank Rowand Cc: Michael Turquette Cc: Ralf Baechle Cc: Rob Herring Cc: Stephen Boyd Cc: devicetree@vger.kernel.org Cc: linux-clk@vger.kernel.org Cc: linux-mips@linux-mips.org Acked-by: Stephen Boyd --- Changes in v5: None Changes in v4: - Move img,boston-clock node under platform register syscon node. - Add MAINTAINERS entry. Changes in v3: None Changes in v2: - Add BOSTON_CLK_INPUT to expose the input clock. .../devicetree/bindings/clock/img,boston-clock.txt | 31 ++++++++++++++++++++++ MAINTAINERS | 7 +++++ include/dt-bindings/clock/boston-clock.h | 14 ++++++++++ 3 files changed, 52 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 000000000000..7bc5e9ffb624 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/img,boston-clock.txt @@ -0,0 +1,31 @@ +Binding for Imagination Technologies MIPS Boston clock sources. + +This binding uses the common clock binding[1]. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +The device node must be a child node of the syscon node corresponding to the +Boston system's platform registers. + +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: + + +Example: + + system-controller@17ffd000 { + compatible = "img,boston-platform-regs", "syscon"; + reg = <0x17ffd000 0x1000>; + + clk_boston: clock { + compatible = "img,boston-clock"; + #clock-cells = <1>; + }; + }; + + uart0: uart@17ffe000 { + /* ... */ + clocks = <&clk_boston BOSTON_CLK_SYS>; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 09b5ab6a8a5c..6a341862f5d6 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -8498,6 +8498,13 @@ F: arch/mips/include/asm/mach-loongson32/ F: drivers/*/*loongson1* F: drivers/*/*/*loongson1* +MIPS BOSTON DEVELOPMENT BOARD +M: Paul Burton +L: linux-mips@linux-mips.org +S: Maintained +F: Documentation/devicetree/bindings/clock/img,boston-clock.txt +F: include/dt-bindings/clock/boston-clock.h + MIROSOUND PCM20 FM RADIO RECEIVER DRIVER M: Hans Verkuil L: linux-media@vger.kernel.org diff --git a/include/dt-bindings/clock/boston-clock.h b/include/dt-bindings/clock/boston-clock.h new file mode 100644 index 000000000000..a6f009821137 --- /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__ */