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-rw-r--r--Documentation/devicetree/bindings/pwm/brcm,bcm7038-pwm.txt20
-rw-r--r--Documentation/devicetree/bindings/pwm/pwm-berlin.txt17
-rw-r--r--Documentation/devicetree/bindings/pwm/pwm-mtk-disp.txt42
-rw-r--r--Documentation/devicetree/bindings/pwm/pwm-sun4i.txt2
-rw-r--r--Documentation/devicetree/bindings/pwm/renesas,pwm-rcar.txt26
5 files changed, 107 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pwm/brcm,bcm7038-pwm.txt b/Documentation/devicetree/bindings/pwm/brcm,bcm7038-pwm.txt
new file mode 100644
index 000000000000..d9254a6da5ed
--- /dev/null
+++ b/Documentation/devicetree/bindings/pwm/brcm,bcm7038-pwm.txt
@@ -0,0 +1,20 @@
1Broadcom BCM7038 PWM controller (BCM7xxx Set Top Box PWM controller)
2
3Required properties:
4
5- compatible: must be "brcm,bcm7038-pwm"
6- reg: physical base address and length for this controller
7- #pwm-cells: should be 2. See pwm.txt in this directory for a description
8 of the cells format
9- clocks: a phandle to the reference clock for this block which is fed through
10 its internal variable clock frequency generator
11
12
13Example:
14
15 pwm: pwm@f0408000 {
16 compatible = "brcm,bcm7038-pwm";
17 reg = <0xf0408000 0x28>;
18 #pwm-cells = <2>;
19 clocks = <&upg_fixed>;
20 };
diff --git a/Documentation/devicetree/bindings/pwm/pwm-berlin.txt b/Documentation/devicetree/bindings/pwm/pwm-berlin.txt
new file mode 100644
index 000000000000..82cbe16fcbbc
--- /dev/null
+++ b/Documentation/devicetree/bindings/pwm/pwm-berlin.txt
@@ -0,0 +1,17 @@
1Berlin PWM controller
2
3Required properties:
4- compatible: should be "marvell,berlin-pwm"
5- reg: physical base address and length of the controller's registers
6- clocks: phandle to the input clock
7- #pwm-cells: should be 3. See pwm.txt in this directory for a description of
8 the cells format.
9
10Example:
11
12pwm: pwm@f7f20000 {
13 compatible = "marvell,berlin-pwm";
14 reg = <0xf7f20000 0x40>;
15 clocks = <&chip_clk CLKID_CFG>;
16 #pwm-cells = <3>;
17}
diff --git a/Documentation/devicetree/bindings/pwm/pwm-mtk-disp.txt b/Documentation/devicetree/bindings/pwm/pwm-mtk-disp.txt
new file mode 100644
index 000000000000..f8f59baf6b67
--- /dev/null
+++ b/Documentation/devicetree/bindings/pwm/pwm-mtk-disp.txt
@@ -0,0 +1,42 @@
1MediaTek display PWM controller
2
3Required properties:
4 - compatible: should be "mediatek,<name>-disp-pwm":
5 - "mediatek,mt8173-disp-pwm": found on mt8173 SoC.
6 - "mediatek,mt6595-disp-pwm": found on mt6595 SoC.
7 - reg: physical base address and length of the controller's registers.
8 - #pwm-cells: must be 2. See pwm.txt in this directory for a description of
9 the cell format.
10 - clocks: phandle and clock specifier of the PWM reference clock.
11 - clock-names: must contain the following:
12 - "main": clock used to generate PWM signals.
13 - "mm": sync signals from the modules of mmsys.
14 - pinctrl-names: Must contain a "default" entry.
15 - pinctrl-0: One property must exist for each entry in pinctrl-names.
16 See pinctrl/pinctrl-bindings.txt for details of the property values.
17
18Example:
19 pwm0: pwm@1401e000 {
20 compatible = "mediatek,mt8173-disp-pwm",
21 "mediatek,mt6595-disp-pwm";
22 reg = <0 0x1401e000 0 0x1000>;
23 #pwm-cells = <2>;
24 clocks = <&mmsys CLK_MM_DISP_PWM026M>,
25 <&mmsys CLK_MM_DISP_PWM0MM>;
26 clock-names = "main", "mm";
27 pinctrl-names = "default";
28 pinctrl-0 = <&disp_pwm0_pins>;
29 };
30
31 backlight_lcd: backlight_lcd {
32 compatible = "pwm-backlight";
33 pwms = <&pwm0 0 1000000>;
34 brightness-levels = <
35 0 16 32 48 64 80 96 112
36 128 144 160 176 192 208 224 240
37 255
38 >;
39 default-brightness-level = <9>;
40 power-supply = <&mt6397_vio18_reg>;
41 enable-gpios = <&pio 95 GPIO_ACTIVE_HIGH>;
42 };
diff --git a/Documentation/devicetree/bindings/pwm/pwm-sun4i.txt b/Documentation/devicetree/bindings/pwm/pwm-sun4i.txt
index ae0273e19506..cf6068b8e974 100644
--- a/Documentation/devicetree/bindings/pwm/pwm-sun4i.txt
+++ b/Documentation/devicetree/bindings/pwm/pwm-sun4i.txt
@@ -3,6 +3,8 @@ Allwinner sun4i and sun7i SoC PWM controller
3Required properties: 3Required properties:
4 - compatible: should be one of: 4 - compatible: should be one of:
5 - "allwinner,sun4i-a10-pwm" 5 - "allwinner,sun4i-a10-pwm"
6 - "allwinner,sun5i-a10s-pwm"
7 - "allwinner,sun5i-a13-pwm"
6 - "allwinner,sun7i-a20-pwm" 8 - "allwinner,sun7i-a20-pwm"
7 - reg: physical base address and length of the controller's registers 9 - reg: physical base address and length of the controller's registers
8 - #pwm-cells: should be 3. See pwm.txt in this directory for a description of 10 - #pwm-cells: should be 3. See pwm.txt in this directory for a description of
diff --git a/Documentation/devicetree/bindings/pwm/renesas,pwm-rcar.txt b/Documentation/devicetree/bindings/pwm/renesas,pwm-rcar.txt
new file mode 100644
index 000000000000..0822a083fc57
--- /dev/null
+++ b/Documentation/devicetree/bindings/pwm/renesas,pwm-rcar.txt
@@ -0,0 +1,26 @@
1* Renesas R-Car PWM Timer Controller
2
3Required Properties:
4- compatible: should be "renesas,pwm-rcar" and one of the following.
5 - "renesas,pwm-r8a7778": for R-Car M1A
6 - "renesas,pwm-r8a7779": for R-Car H1
7 - "renesas,pwm-r8a7790": for R-Car H2
8 - "renesas,pwm-r8a7791": for R-Car M2-W
9 - "renesas,pwm-r8a7794": for R-Car E2
10- reg: base address and length of the registers block for the PWM.
11- #pwm-cells: should be 2. See pwm.txt in this directory for a description of
12 the cells format.
13- clocks: clock phandle and specifier pair.
14- pinctrl-0: phandle, referring to a default pin configuration node.
15- pinctrl-names: Set to "default".
16
17Example: R8A7790 (R-Car H2) PWM Timer node
18
19 pwm0: pwm@e6e30000 {
20 compatible = "renesas,pwm-r8a7790", "renesas,pwm-rcar";
21 reg = <0 0xe6e30000 0 0x8>;
22 #pwm-cells = <2>;
23 clocks = <&mstp5_clks R8A7790_CLK_PWM>;
24 pinctrl-0 = <&pwm0_pins>;
25 pinctrl-names = "default";
26 };