Update compatible and reg-shift in device tree binding.
Signed-off-by: Thomas Chou thomas@wytron.com.tw --- doc/device-tree-bindings/serial/ns16550.txt | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-)
diff --git a/doc/device-tree-bindings/serial/ns16550.txt b/doc/device-tree-bindings/serial/ns16550.txt index ef0b9ae..2b3904b 100644 --- a/doc/device-tree-bindings/serial/ns16550.txt +++ b/doc/device-tree-bindings/serial/ns16550.txt @@ -3,8 +3,21 @@ NS16550 UART This UART driver supports many chip variants and is used in mamy SoCs.
Required properties: -- compatible: "ns16550" or "nvidia,tegra20-uart" +- compatible: one of: + - "ns16550" + - "ns16550a" + - "nvidia,tegra20-uart" + - "snps,dw-apb-uart" + - "ti,omap2-uart" + - "ti,omap3-uart" + - "ti,omap4-uart" + - "ti,am3352-uart" + - "ti,am4372-uart" + - "ti,dra742-uart" - reg: start address and size of registers -- reg-shift: shift value indicating register size: 0=byte, 1=16bit,2=32bit etc. - clock-frequency: input clock frequency for the UART (used to calculate the baud rate divisor) + +Optional properties: +- reg-shift: shift value indicating register size: 0=byte, 1=16bit, 2=32bit etc. + default to 0 if not given.