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dt-bindings: pwm: Add MT2712/MT7622 information

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Enhance the MediaTek PWM binding with details about the IP found in the
MT2712 and MT7622 SoCs.

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Zhi Mao <zhi.mao@mediatek.com>
Acked-by: John Crispin <john@phrozen.org>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
This commit is contained in:
Zhi Mao 2017-06-30 14:05:19 +08:00 committed by Thierry Reding
parent e7c197ec97
commit 62843a6152
1 changed files with 5 additions and 1 deletions
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6
Documentation/devicetree/bindings/pwm/pwm-mediatek.txt
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@ -2,6 +2,8 @@ MediaTek PWM controller
Required properties: Required properties:
- compatible: should be "mediatek,<name>-pwm": - compatible: should be "mediatek,<name>-pwm":
- "mediatek,mt2712-pwm": found on mt2712 SoC.
- "mediatek,mt7622-pwm": found on mt7622 SoC.
- "mediatek,mt7623-pwm": found on mt7623 SoC. - "mediatek,mt7623-pwm": found on mt7623 SoC.
- reg: physical base address and length of the controller's registers. - reg: physical base address and length of the controller's registers.
- #pwm-cells: must be 2. See pwm.txt in this directory for a description of - #pwm-cells: must be 2. See pwm.txt in this directory for a description of
@ -10,7 +12,9 @@ Required properties:
- clock-names: must contain the following: - clock-names: must contain the following:
- "top": the top clock generator - "top": the top clock generator
- "main": clock used by the PWM core - "main": clock used by the PWM core
- "pwm1-5": the five per PWM clocks - "pwm1-8": the eight per PWM clocks for mt2712
- "pwm1-6": the six per PWM clocks for mt7622
- "pwm1-5": the five per PWM clocks for mt7623
- pinctrl-names: Must contain a "default" entry. - pinctrl-names: Must contain a "default" entry.
- pinctrl-0: One property must exist for each entry in pinctrl-names. - pinctrl-0: One property must exist for each entry in pinctrl-names.
See pinctrl/pinctrl-bindings.txt for details of the property values. See pinctrl/pinctrl-bindings.txt for details of the property values.