diff options
Diffstat (limited to 'Documentation/devicetree/bindings/serial/mtk-uart.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/serial/mtk-uart.txt | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/serial/mtk-uart.txt b/Documentation/devicetree/bindings/serial/mtk-uart.txt index c6b5262eb352..3a3b57079f0d 100644 --- a/Documentation/devicetree/bindings/serial/mtk-uart.txt +++ b/Documentation/devicetree/bindings/serial/mtk-uart.txt @@ -9,6 +9,7 @@ Required properties: * "mediatek,mt6589-uart" for MT6589 compatible UARTS * "mediatek,mt6755-uart" for MT6755 compatible UARTS * "mediatek,mt6765-uart" for MT6765 compatible UARTS + * "mediatek,mt6779-uart" for MT6779 compatible UARTS * "mediatek,mt6795-uart" for MT6795 compatible UARTS * "mediatek,mt6797-uart" for MT6797 compatible UARTS * "mediatek,mt7622-uart" for MT7622 compatible UARTS @@ -23,7 +24,12 @@ Required properties: - reg: The base address of the UART register bank. -- interrupts: A single interrupt specifier. +- interrupts: + index 0: an interrupt specifier for the UART controller itself + index 1: optional, an interrupt specifier with edge sensitivity on Rx pin to + support Rx in-band wake up. If one would like to use this feature, + one must create an addtional pinctrl to reconfigure Rx pin to normal + GPIO before suspend. - clocks : Must contain an entry for each entry in clock-names. See ../clocks/clock-bindings.txt for details. @@ -39,7 +45,11 @@ Example: uart0: serial@11006000 { compatible = "mediatek,mt6589-uart", "mediatek,mt6577-uart"; reg = <0x11006000 0x400>; - interrupts = <GIC_SPI 51 IRQ_TYPE_LEVEL_LOW>; + interrupts = <GIC_SPI 51 IRQ_TYPE_LEVEL_LOW>, + <GIC_SPI 52 IRQ_TYPE_EDGE_FALLING>; clocks = <&uart_clk>, <&bus_clk>; clock-names = "baud", "bus"; + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&uart_pin>; + pinctrl-1 = <&uart_pin_sleep>; }; |