diff options
| author | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2013-07-26 00:27:41 +0200 |
|---|---|---|
| committer | Thierry Reding <thierry.reding@gmail.com> | 2013-09-03 13:09:15 +0200 |
| commit | 382457e562bbb1ea7d94923e58fcbac9e981ff18 (patch) | |
| tree | 47280d1a49086517f0ac7b0b3d81087310297194 /Documentation/devicetree | |
| parent | eb9bdef111b82389f9b7943bc29fb72c3a0fa5b0 (diff) | |
pwm: renesas-tpu: Add DT support
Specify DT bindings for the TPU PWM controller and add OF support to the
driver.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Diffstat (limited to 'Documentation/devicetree')
| -rw-r--r-- | Documentation/devicetree/bindings/pwm/renesas,tpu-pwm.txt | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pwm/renesas,tpu-pwm.txt b/Documentation/devicetree/bindings/pwm/renesas,tpu-pwm.txt new file mode 100644 index 000000000000..b067e84a94b5 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/renesas,tpu-pwm.txt @@ -0,0 +1,28 @@ +* Renesas R-Car Timer Pulse Unit PWM Controller + +Required Properties: + + - compatible: should be one of the following. + - "renesas,tpu-r8a73a4": for R8A77A4 (R-Mobile APE6) compatible PWM controller. + - "renesas,tpu-r8a7740": for R8A7740 (R-Mobile A1) compatible PWM controller. + - "renesas,tpu-r8a7790": for R8A7790 (R-Car H2) compatible PWM controller. + - "renesas,tpu-sh7372": for SH7372 (SH-Mobile AP4) compatible PWM controller. + - "renesas,tpu": for generic R-Car TPU PWM controller. + + - reg: Base address and length of each memory resource used by the PWM + controller hardware module. + + - #pwm-cells: should be 3. See pwm.txt in this directory for a description of + the cells format. The only third cell flag supported by this binding is + PWM_POLARITY_INVERTED. + +Please refer to pwm.txt in this directory for details of the common PWM bindings +used by client devices. + +Example: R8A7740 (R-Car A1) TPU controller node + + tpu: pwm@e6600000 { + compatible = "renesas,tpu-r8a7740", "renesas,tpu"; + reg = <0xe6600000 0x100>; + #pwm-cells = <3>; + }; |