From mboxrd@z Thu Jan 1 00:00:00 1970 From: yh.huang@mediatek.com (YH Huang) Date: Mon, 11 May 2015 17:26:21 +0800 Subject: [PATCH 1/2] dt-bindings: pwm: add Mediatek display PWM bindings In-Reply-To: <1431336382-13167-1-git-send-email-yh.huang@mediatek.com> References: <1431336382-13167-1-git-send-email-yh.huang@mediatek.com> Message-ID: <1431336382-13167-2-git-send-email-yh.huang@mediatek.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Document the device-tree binding of Mediatek display PWM. Signed-off-by: YH Huang --- .../devicetree/bindings/pwm/pwm-disp-mediatek.txt | 25 ++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 Documentation/devicetree/bindings/pwm/pwm-disp-mediatek.txt diff --git a/Documentation/devicetree/bindings/pwm/pwm-disp-mediatek.txt b/Documentation/devicetree/bindings/pwm/pwm-disp-mediatek.txt new file mode 100644 index 0000000..ef54e9d --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/pwm-disp-mediatek.txt @@ -0,0 +1,25 @@ +Mediatek display PWM controller + +Required properties: + - compatible: should be "mediatek,-disp-pwm" + - "mediatek,mt8173-disp-pwm": found on mt8173 SoC + - "mediatek,mt6595-disp-pwm": found on mt6595 SoC + - 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 the cell format + - clocks: phandle and clock specifier of the PWM reference clock + - clock-names: must contain the following + - "main": clock used to generate PWM signals + - "mm": sync signals from the modules of mmsys + +Example: + pwm0: pwm at 1401e000 { + compatible = "mediatek,mt8173-disp-pwm", + "mediatek,mt6595-disp-pwm"; + reg = <0 0x1401e000 0 0x1000>; + #pwm-cells = <2>; + clocks = <&mmsys MM_DISP_PWM026M>, + <&mmsys MM_DISP_PWM0MM>; + clock-names = "main", + "mm"; + }; -- 1.8.1.1.dirty