From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933365AbcH3RgL (ORCPT ); Tue, 30 Aug 2016 13:36:11 -0400 Received: from mailapp01.imgtec.com ([195.59.15.196]:33060 "EHLO mailapp01.imgtec.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932731AbcH3RgH (ORCPT ); Tue, 30 Aug 2016 13:36:07 -0400 From: Paul Burton To: , Ralf Baechle CC: Paul Burton , , Michael Turquette , Stephen Boyd , , Rob Herring , Mark Rutland , Subject: [PATCH v2 24/26] dt-bindings: Document img,boston-clock binding Date: Tue, 30 Aug 2016 18:29:27 +0100 Message-ID: <20160830172929.16948-25-paul.burton@imgtec.com> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20160830172929.16948-1-paul.burton@imgtec.com> References: <20160830172929.16948-1-paul.burton@imgtec.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.100.200.118] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- 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__ */ -- 2.9.3