From 3f2546b2ef55b661fd8dd69682b38992225e86f6 Mon Sep 17 00:00:00 2001 From: fishsoupisgood Date: Mon, 29 Apr 2019 01:17:54 +0100 Subject: Initial import of qemu-2.4.1 --- .../doc/device-tree-bindings/pwm/tegra20-pwm.txt | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 roms/u-boot/doc/device-tree-bindings/pwm/tegra20-pwm.txt (limited to 'roms/u-boot/doc/device-tree-bindings/pwm') diff --git a/roms/u-boot/doc/device-tree-bindings/pwm/tegra20-pwm.txt b/roms/u-boot/doc/device-tree-bindings/pwm/tegra20-pwm.txt new file mode 100644 index 00000000..01438ecd --- /dev/null +++ b/roms/u-boot/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 v1.2.3