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-rw-r--r--Documentation/devicetree/bindings/serial/mtk-uart.txt6
-rw-r--r--Documentation/devicetree/bindings/serial/of-serial.txt12
2 files changed, 17 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/serial/mtk-uart.txt b/Documentation/devicetree/bindings/serial/mtk-uart.txt
index 48358a33ea7d..44152261e5c5 100644
--- a/Documentation/devicetree/bindings/serial/mtk-uart.txt
+++ b/Documentation/devicetree/bindings/serial/mtk-uart.txt
@@ -2,9 +2,13 @@
Required properties:
- compatible should contain:
+ * "mediatek,mt8135-uart" for MT8135 compatible UARTS
+ * "mediatek,mt8127-uart" for MT8127 compatible UARTS
+ * "mediatek,mt8173-uart" for MT8173 compatible UARTS
* "mediatek,mt6589-uart" for MT6589 compatible UARTS
* "mediatek,mt6582-uart" for MT6582 compatible UARTS
- * "mediatek,mt6577-uart" for all compatible UARTS (MT6589, MT6582, MT6577)
+ * "mediatek,mt6577-uart" for all compatible UARTS (MT8173, MT6589, MT6582,
+ MT6577)
- reg: The base address of the UART register bank.
diff --git a/Documentation/devicetree/bindings/serial/of-serial.txt b/Documentation/devicetree/bindings/serial/of-serial.txt
index bea60ef6cdc5..91d5ab0e60fc 100644
--- a/Documentation/devicetree/bindings/serial/of-serial.txt
+++ b/Documentation/devicetree/bindings/serial/of-serial.txt
@@ -19,6 +19,7 @@ Required properties:
- "altr,16550-FIFO64"
- "altr,16550-FIFO128"
- "fsl,16550-FIFO64"
+ - "fsl,ns16550"
- "serial" if the port type is unknown.
- reg : offset and length of the register set for the device.
- interrupts : should contain uart interrupt.
@@ -43,6 +44,17 @@ Optional properties:
driver is allowed to detect support for the capability even without this
property.
+Note:
+* fsl,ns16550:
+ ------------
+ Freescale DUART is very similar to the PC16552D (and to a
+ pair of NS16550A), albeit with some nonstandard behavior such as
+ erratum A-004737 (relating to incorrect BRK handling).
+
+ Represents a single port that is compatible with the DUART found
+ on many Freescale chips (examples include mpc8349, mpc8548,
+ mpc8641d, p4080 and ls2085a).
+
Example:
uart@80230000 {