From: Clark Wang <xiaoning.wang@xxxxxxx> Add DMA configurations for LPSPI nodes on i.MX8QX/QM/DXL. Signed-off-by: Clark Wang <xiaoning.wang@xxxxxxx> Signed-off-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx> --- Using the DMA configuration bits from downstream kernel. Tested on TQMa8XxS. arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi b/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi index 1ee9496c988c5..8ae5f065b4180 100644 --- a/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi @@ -34,6 +34,8 @@ lpspi0: spi@5a000000 { assigned-clocks = <&clk IMX_SC_R_SPI_0 IMX_SC_PM_CLK_PER>; assigned-clock-rates = <60000000>; power-domains = <&pd IMX_SC_R_SPI_0>; + dma-names = "tx","rx"; + dmas = <&edma2 1 0 0>, <&edma2 0 0 FSL_EDMA_RX>; status = "disabled"; }; @@ -50,6 +52,8 @@ lpspi1: spi@5a010000 { assigned-clocks = <&clk IMX_SC_R_SPI_1 IMX_SC_PM_CLK_PER>; assigned-clock-rates = <60000000>; power-domains = <&pd IMX_SC_R_SPI_1>; + dma-names = "tx","rx"; + dmas = <&edma2 3 0 0>, <&edma2 2 0 FSL_EDMA_RX>; status = "disabled"; }; @@ -66,6 +70,8 @@ lpspi2: spi@5a020000 { assigned-clocks = <&clk IMX_SC_R_SPI_2 IMX_SC_PM_CLK_PER>; assigned-clock-rates = <60000000>; power-domains = <&pd IMX_SC_R_SPI_2>; + dma-names = "tx","rx"; + dmas = <&edma2 5 0 0>, <&edma2 4 0 FSL_EDMA_RX>; status = "disabled"; }; @@ -82,6 +88,8 @@ lpspi3: spi@5a030000 { assigned-clocks = <&clk IMX_SC_R_SPI_3 IMX_SC_PM_CLK_PER>; assigned-clock-rates = <60000000>; power-domains = <&pd IMX_SC_R_SPI_3>; + dma-names = "tx","rx"; + dmas = <&edma2 7 0 0>, <&edma2 6 0 FSL_EDMA_RX>; status = "disabled"; }; -- 2.34.1