[PATCH 09/24] Documentation: DT bindings: add more chip compatible strings for Tegra PWM

[Paul Walmsley <paul-DWxLp4Yu+b8AvxtiuMwx3w@public.gmane.org>]

Add compatible strings for the PWM IP blocks present on several Tegra
chips.  The primary objective here is to avoid checkpatch warnings,
per:

http://marc.info/?l=linux-tegra&m=142201349727836&w=2

Signed-off-by: Paul Walmsley <paul-DWxLp4Yu+b8AvxtiuMwx3w@public.gmane.org>
Cc: Thierry Reding <thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: Pawel Moll <pawel.moll-5wv7dgnIgG8@public.gmane.org>
Cc: Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>
Cc: Ian Campbell <ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org>
Cc: Kumar Gala <galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
Cc: Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
Cc: Alexandre Courbot <gnurou-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: linux-pwm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
---
 .../devicetree/bindings/pwm/nvidia,tegra20-pwm.txt |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/pwm/nvidia,tegra20-pwm.txt b/Documentation/devicetree/bindings/pwm/nvidia,tegra20-pwm.txt
index c7ea9d4a988b..f3390f602378 100644
--- a/Documentation/devicetree/bindings/pwm/nvidia,tegra20-pwm.txt
+++ b/Documentation/devicetree/bindings/pwm/nvidia,tegra20-pwm.txt
@@ -4,6 +4,10 @@ Required properties:
 - compatible: should be one of:
   - "nvidia,tegra20-pwm"
   - "nvidia,tegra30-pwm"
+  - "nvidia,tegra114-pwm" (not yet matched by the driver)
+  - "nvidia,tegra124-pwm" (not yet matched by the driver)
+  - "nvidia,tegra132-pwm" (not yet matched by the driver)
+  - "nvidia,tegra210-pwm" (not yet matched by the driver)
 - reg: physical base address and length of the controller's registers
 - #pwm-cells: should be 2. See pwm.txt in this directory for a description of
   the cells format.