Thread (8 messages) 8 messages, 4 authors, 2021-03-24
STALE1899d
Revisions (3)
  1. v1 current
  2. v2 [diff vs current]
  3. v1 [diff vs current]

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

From: Neil Armstrong <hidden>
Date: 2021-03-15 08:35:42
Also in: linux-amlogic, linux-arm-kernel, linux-devicetree, lkml
Subsystem: arm/amlogic meson soc support, the rest · Maintainers: Neil Armstrong, Kevin Hilman, Linus Torvalds

The first UART controller in "Everything-Else" power domain, usually used
for Bluetooth HCI has 128bytes FIFO depth.

Signed-off-by: Neil Armstrong <redacted>
---
 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
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