The first UART controller in "Everything-Else" power domain, usually used for Bluetooth HCI has 128bytes FIFO depth. Signed-off-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx> --- arch/arm64/boot/dts/amlogic/meson-axg.dtsi | 1 + arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi | 1 + arch/arm64/boot/dts/amlogic/meson-gx.dtsi | 1 + 3 files changed, 3 insertions(+) diff --git a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi index 895c43c7af9f..3f5254eeb47b 100644 --- a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi @@ -1871,6 +1871,7 @@ uart_A: serial@24000 { status = "disabled"; clocks = <&xtal>, <&clkc CLKID_UART0>, <&xtal>; clock-names = "xtal", "pclk", "baud"; + fifo-size = <128>; }; }; diff --git a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi index 793d48f72390..00c6f53290d4 100644 --- a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi @@ -2317,6 +2317,7 @@ uart_A: serial@24000 { clocks = <&xtal>, <&clkc CLKID_UART0>, <&xtal>; clock-names = "xtal", "pclk", "baud"; status = "disabled"; + fifo-size = <128>; }; }; diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi index 3d00404aae0f..6b457b2c30a4 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi @@ -301,6 +301,7 @@ uart_A: serial@84c0 { reg = <0x0 0x84c0 0x0 0x18>; interrupts = <GIC_SPI 26 IRQ_TYPE_EDGE_RISING>; status = "disabled"; + fifo-size = <128>; }; uart_B: serial@84dc { -- 2.25.1