[PATCH 6/7] ARM: dts: lpc32xx: Specify #dma-cells property of PL080 DMA controller

Vladimir Zapolskiy vz at mleia.com
Thu Sep 4 11:46:46 PDT 2025


For DMA controllers it is required to specify a number of the cells for
users.

The change eliminates the next build time reported warning:

    dma at 31000000: '#dma-cells' is a required property

Signed-off-by: Vladimir Zapolskiy <vz at mleia.com>
---
 arch/arm/boot/dts/nxp/lpc/lpc32xx.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/nxp/lpc/lpc32xx.dtsi b/arch/arm/boot/dts/nxp/lpc/lpc32xx.dtsi
index 522d616a9205..a38f3c6dbe47 100644
--- a/arch/arm/boot/dts/nxp/lpc/lpc32xx.dtsi
+++ b/arch/arm/boot/dts/nxp/lpc/lpc32xx.dtsi
@@ -83,6 +83,7 @@ dma: dma at 31000000 {
 			interrupts = <28 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&clk LPC32XX_CLK_DMA>;
 			clock-names = "apb_pclk";
+			#dma-cells = <2>;
 		};
 
 		usb {
-- 
2.49.0




More information about the linux-arm-kernel mailing list