[PATCH 1/2] ARM: dts: bcm2711: PL011 UARTs are actually r1p5
Stefan Wahren
wahrenst at gmx.net
Sun Feb 23 04:56:13 PST 2025
From: Phil Elwell <phil at raspberrypi.com>
The ARM PL011 UART instances in BCM2711 are r1p5 spec, which means they
have 32-entry FIFOs. The correct periphid value for this is 0x00341011.
Thanks to N Buchwitz for pointing this out.
Signed-off-by: Phil Elwell <phil at raspberrypi.com>
Signed-off-by: Stefan Wahren <wahrenst at gmx.net>
---
arch/arm/boot/dts/broadcom/bcm2711.dtsi | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/arch/arm/boot/dts/broadcom/bcm2711.dtsi b/arch/arm/boot/dts/broadcom/bcm2711.dtsi
index 7cf93fdc676c..cdccdef267f7 100644
--- a/arch/arm/boot/dts/broadcom/bcm2711.dtsi
+++ b/arch/arm/boot/dts/broadcom/bcm2711.dtsi
@@ -134,7 +134,7 @@ uart2: serial at 7e201400 {
clocks = <&clocks BCM2835_CLOCK_UART>,
<&clocks BCM2835_CLOCK_VPU>;
clock-names = "uartclk", "apb_pclk";
- arm,primecell-periphid = <0x00241011>;
+ arm,primecell-periphid = <0x00341011>;
status = "disabled";
};
@@ -145,7 +145,7 @@ uart3: serial at 7e201600 {
clocks = <&clocks BCM2835_CLOCK_UART>,
<&clocks BCM2835_CLOCK_VPU>;
clock-names = "uartclk", "apb_pclk";
- arm,primecell-periphid = <0x00241011>;
+ arm,primecell-periphid = <0x00341011>;
status = "disabled";
};
@@ -156,7 +156,7 @@ uart4: serial at 7e201800 {
clocks = <&clocks BCM2835_CLOCK_UART>,
<&clocks BCM2835_CLOCK_VPU>;
clock-names = "uartclk", "apb_pclk";
- arm,primecell-periphid = <0x00241011>;
+ arm,primecell-periphid = <0x00341011>;
status = "disabled";
};
@@ -167,7 +167,7 @@ uart5: serial at 7e201a00 {
clocks = <&clocks BCM2835_CLOCK_UART>,
<&clocks BCM2835_CLOCK_VPU>;
clock-names = "uartclk", "apb_pclk";
- arm,primecell-periphid = <0x00241011>;
+ arm,primecell-periphid = <0x00341011>;
status = "disabled";
};
@@ -1175,6 +1175,7 @@ &txp {
};
&uart0 {
+ arm,primecell-periphid = <0x00341011>;
interrupts = <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>;
};
--
2.34.1
More information about the linux-arm-kernel
mailing list