Merge branch 'asoc-4.19' into asoc-4.20 Cirrus conflict
[sfrench/cifs-2.6.git] / Documentation / devicetree / bindings / pwm / pwm-mediatek.txt
1 MediaTek PWM controller
2
3 Required properties:
4  - compatible: should be "mediatek,<name>-pwm":
5    - "mediatek,mt2712-pwm": found on mt2712 SoC.
6    - "mediatek,mt7622-pwm": found on mt7622 SoC.
7    - "mediatek,mt7623-pwm": found on mt7623 SoC.
8    - "mediatek,mt7628-pwm": found on mt7628 SoC.
9  - reg: physical base address and length of the controller's registers.
10  - #pwm-cells: must be 2. See pwm.txt in this directory for a description of
11    the cell format.
12  - clocks: phandle and clock specifier of the PWM reference clock.
13  - clock-names: must contain the following, except for MT7628 which
14                 has no clocks
15    - "top": the top clock generator
16    - "main": clock used by the PWM core
17    - "pwm1-8": the eight per PWM clocks for mt2712
18    - "pwm1-6": the six per PWM clocks for mt7622
19    - "pwm1-5": the five per PWM clocks for mt7623
20  - pinctrl-names: Must contain a "default" entry.
21  - pinctrl-0: One property must exist for each entry in pinctrl-names.
22    See pinctrl/pinctrl-bindings.txt for details of the property values.
23
24 Example:
25         pwm0: pwm@11006000 {
26                 compatible = "mediatek,mt7623-pwm";
27                 reg = <0 0x11006000 0 0x1000>;
28                 #pwm-cells = <2>;
29                 clocks = <&topckgen CLK_TOP_PWM_SEL>,
30                          <&pericfg CLK_PERI_PWM>,
31                          <&pericfg CLK_PERI_PWM1>,
32                          <&pericfg CLK_PERI_PWM2>,
33                          <&pericfg CLK_PERI_PWM3>,
34                          <&pericfg CLK_PERI_PWM4>,
35                          <&pericfg CLK_PERI_PWM5>;
36                 clock-names = "top", "main", "pwm1", "pwm2",
37                               "pwm3", "pwm4", "pwm5";
38                 pinctrl-names = "default";
39                 pinctrl-0 = <&pwm0_pins>;
40         };