Allwinner_H3_Datasheet_V1.2.pdf
up to five UART controllers
In sun8i-h3-orangepi-pc.dts only 4
How do I use all five?
serial@1c28000 {
compatible = "snps,dw-apb-uart";
reg = < 0x1c28000 0x400 >;
interrupts = < 0x00 0x00 0x04 >;
reg-shift = < 0x02 >;
reg-io-width = < 0x04 >;
clocks = < 0x03 0x3e >;
resets = < 0x03 0x31 >;
dmas = < 0x15 0x06 0x15 0x06 >;
dma-names = "rx\0tx";
status = "okay";
pinctrl-names = "default";
pinctrl-0 = < 0x19 >;
phandle = < 0x64 >;
};
serial@1c28400 {
compatible = "snps,dw-apb-uart";
reg = < 0x1c28400 0x400 >;
interrupts = < 0x00 0x01 0x04 >;
reg-shift = < 0x02 >;
reg-io-width = < 0x04 >;
clocks = < 0x03 0x3f >;
resets = < 0x03 0x32 >;
dmas = < 0x15 0x07 0x15 0x07 >;
dma-names = "rx\0tx";
status = "disabled";
pinctrl-names = "default";
pinctrl-0 = < 0x1a >;
phandle = < 0x65 >;
};
serial@1c28800 {
compatible = "snps,dw-apb-uart";
reg = < 0x1c28800 0x400 >;
interrupts = < 0x00 0x02 0x04 >;
reg-shift = < 0x02 >;
reg-io-width = < 0x04 >;
clocks = < 0x03 0x40 >;
resets = < 0x03 0x33 >;
dmas = < 0x15 0x08 0x15 0x08 >;
dma-names = "rx\0tx";
status = "disabled";
pinctrl-names = "default";
pinctrl-0 = < 0x1b >;
phandle = < 0x66 >;
};
serial@1c28c00 {
compatible = "snps,dw-apb-uart";
reg = < 0x1c28c00 0x400 >;
interrupts = < 0x00 0x03 0x04 >;
reg-shift = < 0x02 >;
reg-io-width = < 0x04 >;
clocks = < 0x03 0x41 >;
resets = < 0x03 0x34 >;
dmas = < 0x15 0x09 0x15 0x09 >;
dma-names = "rx\0tx";
status = "disabled";
pinctrl-names = "default";
pinctrl-0 = < 0x1c >;
phandle = < 0x67 >;
};
