From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paul Burton Subject: [PATCH 24/26] dt-bindings: Document img,boston-clock binding Date: Fri, 26 Aug 2016 16:37:23 +0100 Message-ID: <20160826153725.11629-25-paul.burton@imgtec.com> References: <20160826153725.11629-1-paul.burton@imgtec.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <20160826153725.11629-1-paul.burton@imgtec.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-mips@linux-mips.org, Ralf Baechle Cc: Paul Burton , devicetree@vger.kernel.org, Michael Turquette , Stephen Boyd , linux-kernel@vger.kernel.org, Rob Herring , Mark Rutland , linux-clk@vger.kernel.org List-Id: devicetree@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 --- .../devicetree/bindings/clock/img,boston-clock.txt | 27 ++++++++++++++++++++++ include/dt-bindings/clock/boston-clock.h | 13 +++++++++++ 2 files changed, 40 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..25f9cd2 --- /dev/null +++ b/include/dt-bindings/clock/boston-clock.h @@ -0,0 +1,13 @@ +/* + * 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_SYS 0 +#define BOSTON_CLK_CPU 1 + +#endif /* __DT_BINDINGS_CLOCK_BOSTON_CLOCK_H__ */ -- 2.9.3