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[V2,05/12] dt-binding: serial: tegra: add new chips

Message ID 1567572187-29820-6-git-send-email-kyarlagadda@nvidia.com
State New
Headers show
Series serial: tegra: Tegra186 support and fixes | expand

Commit Message

Krishna Yarlagadda Sept. 4, 2019, 4:43 a.m. UTC
Add new compatible string for Tegra186. It differs from earlier chips
as it has FIFO mode enable check and 8 byte DMA buffer.
Add new compatible string for Tegra194. Tegra194 has different error
tolerance levels for baud rate compared to older chips.

Signed-off-by: Krishna Yarlagadda <kyarlagadda@nvidia.com>
 Documentation/devicetree/bindings/serial/nvidia,tegra20-hsuart.txt | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)
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diff --git a/Documentation/devicetree/bindings/serial/nvidia,tegra20-hsuart.txt b/Documentation/devicetree/bindings/serial/nvidia,tegra20-hsuart.txt
index d7edf73..dab31d4 100644
--- a/Documentation/devicetree/bindings/serial/nvidia,tegra20-hsuart.txt
+++ b/Documentation/devicetree/bindings/serial/nvidia,tegra20-hsuart.txt
@@ -1,7 +1,12 @@ 
 NVIDIA Tegra20/Tegra30 high speed (DMA based) UART controller driver.
 Required properties:
-- compatible : should be "nvidia,tegra30-hsuart", "nvidia,tegra20-hsuart".
+- compatible : should be,
+  "nvidia,tegra20-hsuart" for Tegra20,
+  "nvidia,tegra30-hsuart" for Tegra30,
+  "nvidia,tegra186-hsuart" for Tegra186,
+  "nvidia,tegra194-hsuart" for Tegra194.
 - reg: Should contain UART controller registers location and length.
 - interrupts: Should contain UART controller interrupts.
 - clocks: Must contain one entry, for the module clock.