diff mbox series

[2/2] arm64: dts: bcm2712: PL011 UARTs are actually r1p5

Message ID 20250223125614.3592-3-wahrenst@gmx.net (mailing list archive)
State New
Headers show
Series ARM: dts: bcm271x: Adjust PL011 primecell-periphid | expand

Commit Message

Stefan Wahren Feb. 23, 2025, 12:56 p.m. UTC
From: Phil Elwell <phil@raspberrypi.com>

The ARM PL011 UART instances in BCM2712 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@raspberrypi.com>
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
---
 arch/arm64/boot/dts/broadcom/bcm2712.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--
2.34.1

Comments

Florian Fainelli Feb. 23, 2025, 5:24 p.m. UTC | #1
On 23/02/2025 04:56, Stefan Wahren wrote:
> From: Phil Elwell <phil@raspberrypi.com>
> 
> The ARM PL011 UART instances in BCM2712 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@raspberrypi.com>
> Signed-off-by: Stefan Wahren <wahrenst@gmx.net>

Same comments as for patch #1.
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/broadcom/bcm2712.dtsi b/arch/arm64/boot/dts/broadcom/bcm2712.dtsi
index 689c82b7f596..9e610a89a337 100644
--- a/arch/arm64/boot/dts/broadcom/bcm2712.dtsi
+++ b/arch/arm64/boot/dts/broadcom/bcm2712.dtsi
@@ -227,7 +227,7 @@  uart10: serial@7d001000 {
 			interrupts = <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&clk_uart>, <&clk_vpu>;
 			clock-names = "uartclk", "apb_pclk";
-			arm,primecell-periphid = <0x00241011>;
+			arm,primecell-periphid = <0x00341011>;
 			status = "disabled";
 		};