diff options
Diffstat (limited to 'Documentation/devicetree/bindings/serial/of-serial.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/serial/of-serial.txt | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/serial/of-serial.txt b/Documentation/devicetree/bindings/serial/of-serial.txt index b52b98234b9b..91d5ab0e60fc 100644 --- a/Documentation/devicetree/bindings/serial/of-serial.txt +++ b/Documentation/devicetree/bindings/serial/of-serial.txt @@ -8,7 +8,10 @@ Required properties: - "ns16550" - "ns16750" - "ns16850" - - "nvidia,tegra20-uart" + - For Tegra20, must contain "nvidia,tegra20-uart" + - For other Tegra, must contain '"nvidia,<chip>-uart", + "nvidia,tegra20-uart"' where <chip> is tegra30, tegra114, tegra124, + tegra132, or tegra210. - "nxp,lpc3220-uart" - "ralink,rt2880-uart" - "ibm,qpace-nwp-serial" @@ -16,6 +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. @@ -40,6 +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 { |