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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Commit 370f696e4474 ("dt-bindings: serial: snps-dw-apb-uart: add dma & dma-names properties") documented dma-names property to handle Allwiner D1 dtbs_check warnings, but relies on a strict rx->tx ordering, which is the reverse of what a different board expects: rk3326-odroid-go2.dtb: serial@ff030000: dma-names:0: 'rx' was expected A quick and incomplete check shows the inconsistency is present in many other DT files: $ git grep -A10 snps,dw-apb-uart | grep dma-names | sort -u arch/arm64/boot/dts/rockchip/px30.dtsi- dma-names = "tx", "rx"; arch/arm64/boot/dts/rockchip/rk3328.dtsi- dma-names = "tx", "rx"; arch/arm64/boot/dts/rockchip/rk3588s.dtsi- dma-names = "tx", "rx"; arch/arm/boot/dts/rk3066a.dtsi- dma-names = "tx", "rx"; arch/arm/boot/dts/rk3128.dtsi- dma-names = "tx", "rx"; arch/arm/boot/dts/rk3288.dtsi- dma-names = "tx", "rx"; arch/arm/boot/dts/rv1126.dtsi- dma-names = "tx", "rx"; arch/arm/boot/dts/socfpga.dtsi- dma-names = "tx", "rx"; arch/arm/boot/dts/sun6i-a31.dtsi- dma-names = "rx", "tx"; arch/arm/boot/dts/sun8i-a23-a33.dtsi- dma-names = "rx", "tx"; arch/arm/boot/dts/sun8i-v3s.dtsi- dma-names = "rx", "tx"; arch/arm/boot/dts/sunxi-h3-h5.dtsi- dma-names = "rx", "tx"; arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi- dma-names = "rx", "tx"; Do not enforce the order of the dma-names items. Signed-off-by: Cristian Ciocaltea --- .../devicetree/bindings/serial/snps-dw-apb-uart.yaml | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml b/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml index 2becdfab4f15..d374844a61a5 100644 --- a/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml +++ b/Documentation/devicetree/bindings/serial/snps-dw-apb-uart.yaml @@ -71,9 +71,13 @@ properties: minItems: 2 dma-names: - items: - - const: rx - - const: tx + oneOf: + - items: + - const: tx + - const: rx + - items: + - const: rx + - const: tx snps,uart-16550-compatible: description: reflects the value of UART_16550_COMPATIBLE configuration -- 2.39.1 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv