| Message ID | 20210325152410.1795557-4-narmstrong@baylibre.com |
|---|---|
| State | New |
| Headers | show |
| Series | tty: serial: meson: add amlogic,uart-fifosize property | expand |
On Thu, Mar 25, 2021 at 4:25 PM Neil Armstrong <narmstrong@baylibre.com> wrote: > > The first UART controller in "Everything-Else" power domain, usually used > for Bluetooth HCI has 128bytes FIFO depth. > > Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
diff --git a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi index d945c84ab697..db3dae932a08 100644 --- a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi @@ -1872,6 +1872,7 @@ 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 b858c5e43cc8..4f5b85ad3120 100644 --- a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi @@ -2311,6 +2311,7 @@ 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 0edd137151f8..8eae0b7d1642 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi @@ -295,6 +295,7 @@ 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 {
The first UART controller in "Everything-Else" power domain, usually used for Bluetooth HCI has 128bytes FIFO depth. Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> --- 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(+)