From beca1fdeff1a3826148330e2a40297594a710a40 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Wed, 17 Oct 2012 13:24:47 +0000 Subject: tegra: fdt: Add pwm binding and node This binding will apparently soon be in linux-next. Bring it in now since we need to do something, and may as well try to target what Linux will have. Signed-off-by: Simon Glass Signed-off-by: Tom Warren --- doc/device-tree-bindings/pwm/tegra20-pwm.txt | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 doc/device-tree-bindings/pwm/tegra20-pwm.txt (limited to 'doc/device-tree-bindings/pwm') diff --git a/doc/device-tree-bindings/pwm/tegra20-pwm.txt b/doc/device-tree-bindings/pwm/tegra20-pwm.txt new file mode 100644 index 0000000..01438ec --- /dev/null +++ b/doc/device-tree-bindings/pwm/tegra20-pwm.txt @@ -0,0 +1,18 @@ +Tegra SoC PWFM controller + +Required properties: +- compatible: should be one of: + - "nvidia,tegra20-pwm" + - "nvidia,tegra30-pwm" +- reg: physical base address and length of the controller's registers +- #pwm-cells: On Tegra the number of cells used to specify a PWM is 2. The + first cell specifies the per-chip index of the PWM to use and the second + cell is the period in nanoseconds. + +Example: + + pwm: pwm@7000a000 { + compatible = "nvidia,tegra20-pwm"; + reg = <0x7000a000 0x100>; + #pwm-cells = <2>; + }; -- cgit v1.1