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author | Sugaya Taichi <sugaya.taichi@socionext.com> | 2019-04-25 19:41:00 +0900 |
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committer | Stephen Boyd <sboyd@kernel.org> | 2019-04-25 16:40:34 -0700 |
commit | e3ee1f21b3b7c7c83f298ddece72b8779aa3dca3 (patch) | |
tree | 39b37241e8e50d13c4867b69c42c8b4f8667454b /Documentation/devicetree | |
parent | 9e98c678c2d6ae3a17cb2de55d17f69dddaa231b (diff) | |
download | linux-e3ee1f21b3b7c7c83f298ddece72b8779aa3dca3.tar.gz linux-e3ee1f21b3b7c7c83f298ddece72b8779aa3dca3.tar.bz2 linux-e3ee1f21b3b7c7c83f298ddece72b8779aa3dca3.zip |
dt-bindings: clock: milbeaut: add Milbeaut clock description
Add DT bindings document for Milbeaut clock.
Signed-off-by: Sugaya Taichi <sugaya.taichi@socionext.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Diffstat (limited to 'Documentation/devicetree')
-rw-r--r-- | Documentation/devicetree/bindings/clock/milbeaut-clock.yaml | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/clock/milbeaut-clock.yaml b/Documentation/devicetree/bindings/clock/milbeaut-clock.yaml new file mode 100644 index 000000000000..5cf0b811821e --- /dev/null +++ b/Documentation/devicetree/bindings/clock/milbeaut-clock.yaml @@ -0,0 +1,73 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/bindings/clock/milbeaut-clock.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Milbeaut SoCs Clock Controller Binding + +maintainers: + - Taichi Sugaya <sugaya.taichi@socionext.com> + +description: | + Milbeaut SoCs Clock controller is an integrated clock controller, which + generates and supplies to all modules. + + This binding uses common clock bindings + [1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +properties: + compatible: + oneOf: + - items: + - enum: + - socionext,milbeaut-m10v-ccu + clocks: + maxItems: 1 + description: external clock + + '#clock-cells': + const: 1 + +required: + - compatible + - reg + - clocks + - '#clock-cells' + +examples: + # Clock controller node: + - | + m10v-clk-ctrl@1d021000 { + compatible = "socionext,milbeaut-m10v-clk-ccu"; + reg = <0x1d021000 0x4000>; + #clock-cells = <1>; + clocks = <&clki40mhz>; + }; + + # Required an external clock for Clock controller node: + - | + clocks { + clki40mhz: clki40mhz { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <40000000>; + }; + /* other clocks */ + }; + + # The clock consumer shall specify the desired clock-output of the clock + # controller as below by specifying output-id in its "clk" phandle cell. + # 2: uart + # 4: 32-bit timer + # 7: UHS-I/II + - | + serial@1e700010 { + compatible = "socionext,milbeaut-usio-uart"; + reg = <0x1e700010 0x10>; + interrupts = <0 141 0x4>, <0 149 0x4>; + interrupt-names = "rx", "tx"; + clocks = <&clk 2>; + }; + +... |