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

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Message-Id: <20210518075833.3736038-4-narmstrong@baylibre.com>
Date:   Tue, 18 May 2021 09:58:33 +0200
From:   Neil Armstrong <narmstrong@...libre.com>
To:     gregkh@...uxfoundation.org, jirislaby@...nel.org
Cc:     linux-serial@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Neil Armstrong <narmstrong@...libre.com>
Subject: [PATCH 3/3] arm64: dts: meson: set 128bytes FIFO size on uart A

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

Signed-off-by: Neil Armstrong <narmstrong@...libre.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(+)

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@...00 {
 				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@...00 {
 				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@...0 {
 				reg = <0x0 0x84c0 0x0 0x18>;
 				interrupts = <GIC_SPI 26 IRQ_TYPE_EDGE_RISING>;
 				status = "disabled";
+				fifo-size = <128>;
 			};
 
 			uart_B: serial@...c {
-- 
2.25.1