Messages in this thread Patch in this message |  | | From | Bo Shen <> | Subject | [PATCH v8 2/2] PWM: atmel-pwm: add device tree binding document | Date | Mon, 18 Nov 2013 17:13:22 +0800 |
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Add atmel pwm driver device tree binding document
Signed-off-by: Bo Shen <voice.shen@atmel.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Acked-by: Kumar Gala <galak@codeaurora.org> --- Changes in v8: None Changes in v7: None Changes in v6: - New, split binding document as a separate patch
Changes in v5: None Changes in v4: None Changes in v3: None Changes in v2: None
.../devicetree/bindings/pwm/atmel-pwm.txt | 41 ++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 Documentation/devicetree/bindings/pwm/atmel-pwm.txt
diff --git a/Documentation/devicetree/bindings/pwm/atmel-pwm.txt b/Documentation/devicetree/bindings/pwm/atmel-pwm.txt new file mode 100644 index 0000000..1c1a5fa --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/atmel-pwm.txt @@ -0,0 +1,41 @@ +Atmel PWM controller + +Required properties: + - compatible: should be one of: + - "atmel,at91sam9rl-pwm" + - "atmel,sama5d3-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 + +Example: + + pwm0: pwm@f8034000 { + compatible = "atmel,at91sam9rl-pwm"; + reg = <0xf8034000 0x400>; + #pwm-cells = <3>; + }; + +The following the pwm led based example: + + pwm0: pwm@f8034000 { + compatible = "atmel,at91sam9rl-pwm"; + reg = <0xf8034000 0x400>; + #pwm-cells = <3>; + }; + + pwdleds { + compatible = "pwm-leds"; + + d1 { + label = "d1"; + pwms = <&pwm0 3 5000 0> + max-brightness = <255>; + }; + + d2 { + label = "d2"; + pwms = <&pwm0 1 5000 1> + max-brightness = <255>; + }; + }; -- 1.7.9.5
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