[PATCH 3/3] arm64: dts: meson: set 128bytes FIFO size on uart A

From: Neil Armstrong
Date: Mon Mar 15 2021 - 04:35:42 EST


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 d945c84ab697..571383c12855 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";
+ amlogic,uart-fifosize = <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..9e898479f118 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";
+ amlogic,uart-fifosize = <128>;
};
};

diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
index 0edd137151f8..bd0b049787fd 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";
+ amlogic,uart-fifosize = <128>;
};

uart_B: serial@84dc {
--
2.25.1