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 <paul.burton@xxxxxxxxxx> Cc: Frank Rowand <frowand.list@xxxxxxxxx> Cc: Michael Turquette <mturquette@xxxxxxxxxxxx> Cc: Ralf Baechle <ralf@xxxxxxxxxxxxxx> Cc: Rob Herring <robh+dt@xxxxxxxxxx> Cc: Stephen Boyd <sboyd@xxxxxxxxxxxxxx> Cc: devicetree@xxxxxxxxxxxxxxx Cc: linux-clk@xxxxxxxxxxxxxxx Cc: linux-mips@xxxxxxxxxxxxxx --- 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: + <dt-bindings/clock/boston-clock.h> + +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 <paul.burton@xxxxxxxxxx> +L: linux-mips@xxxxxxxxxxxxxx +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 <hverkuil@xxxxxxxxx> L: linux-media@xxxxxxxxxxxxxxx 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__ */ -- 2.13.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html