diff options
Diffstat (limited to 'Documentation/devicetree/bindings')
4 files changed, 31 insertions, 4 deletions
diff --git a/Documentation/devicetree/bindings/pwm/pwm-meson.txt b/Documentation/devicetree/bindings/pwm/pwm-meson.txt new file mode 100644 index 000000000000..5376a4468cb6 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/pwm-meson.txt @@ -0,0 +1,23 @@ +Amlogic Meson PWM Controller +============================ + +Required properties: +- compatible: Shall contain "amlogic,meson8b-pwm" or "amlogic,meson-gxbb-pwm". +- #pwm-cells: Should be 3. See pwm.txt in this directory for a description of + the cells format. + +Optional properties: +- clocks: Could contain one or two parents clocks phandle for each of the two + PWM channels. +- clock-names: Could contain at least the "clkin0" and/or "clkin1" names. + +Example: + + pwm_ab: pwm@8550 { + compatible = "amlogic,meson-gxbb-pwm"; + reg = <0x0 0x08550 0x0 0x10>; + #pwm-cells = <3>; + status = "disabled"; + clocks = <&xtal>, <&xtal>; + clock-names = "clkin0", "clkin1"; + } diff --git a/Documentation/devicetree/bindings/pwm/pwm-mtk-disp.txt b/Documentation/devicetree/bindings/pwm/pwm-mtk-disp.txt index f8f59baf6b67..6f8af2bcc7b7 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-mtk-disp.txt +++ b/Documentation/devicetree/bindings/pwm/pwm-mtk-disp.txt @@ -2,8 +2,9 @@ MediaTek display PWM controller Required properties: - compatible: should be "mediatek,<name>-disp-pwm": - - "mediatek,mt8173-disp-pwm": found on mt8173 SoC. + - "mediatek,mt2701-disp-pwm": found on mt2701 SoC. - "mediatek,mt6595-disp-pwm": found on mt6595 SoC. + - "mediatek,mt8173-disp-pwm": found on mt8173 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. diff --git a/Documentation/devicetree/bindings/pwm/pwm-st.txt b/Documentation/devicetree/bindings/pwm/pwm-st.txt index 84d2fb807d3c..19fce774cafa 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-st.txt +++ b/Documentation/devicetree/bindings/pwm/pwm-st.txt @@ -13,13 +13,14 @@ Required parameters: - pinctrl-0: List of phandles pointing to pin configuration nodes for PWM module. For Pinctrl properties, please refer to [1]. -- clock-names: Set to "pwm". +- clock-names: Valid entries are "pwm" and/or "capture". - clocks: phandle of the clock used by the PWM module. For Clk properties, please refer to [2]. +- interrupts: IRQ for the Capture device Optional properties: -- st,pwm-num-chan: Number of available channels. If not passed, the driver - will consider single channel by default. +- st,pwm-num-chan: Number of available PWM channels. Default is 0. +- st,capture-num-chan: Number of available Capture channels. Default is 0. [1] Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt [2] Documentation/devicetree/bindings/clock/clock-bindings.txt @@ -38,4 +39,5 @@ pwm1: pwm@fe510000 { clocks = <&clk_sysin>; clock-names = "pwm"; st,pwm-num-chan = <4>; + st,capture-num-chan = <2>; }; diff --git a/Documentation/devicetree/bindings/pwm/pwm-sun4i.txt b/Documentation/devicetree/bindings/pwm/pwm-sun4i.txt index cf6068b8e974..f1cbeefb3087 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-sun4i.txt +++ b/Documentation/devicetree/bindings/pwm/pwm-sun4i.txt @@ -6,6 +6,7 @@ Required properties: - "allwinner,sun5i-a10s-pwm" - "allwinner,sun5i-a13-pwm" - "allwinner,sun7i-a20-pwm" + - "allwinner,sun8i-h3-pwm" - reg: physical base address and length of the controller's registers - #pwm-cells: should be 3. See pwm.txt in this directory for a description of the cells format. |