Add nodes for the nbpfaxi DMA controllers used in the artpec6 SoC,
and start using them for the exising UARTs.
Signed-off-by: Niklas Cassel <niklas.cassel@xxxxxxxx>
---
arch/arm/boot/dts/artpec6.dtsi | 58 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 58 insertions(+)
diff --git a/arch/arm/boot/dts/artpec6.dtsi b/arch/arm/boot/dts/artpec6.dtsi
index 7a6d8f39823a..1c46df0c03ce 100644
--- a/arch/arm/boot/dts/artpec6.dtsi
+++ b/arch/arm/boot/dts/artpec6.dtsi
@@ -41,6 +41,7 @@
*/
#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/dma/nbpfaxi.h>
#include <dt-bindings/clock/axis,artpec6-clkctrl.h>
#include "skeleton.dtsi"
@@ -213,6 +214,51 @@
ranges;
dma-ranges;
+ dma0: dma@f8019000 {
+ compatible = "renesas,nbpfaxi64dmac8b16";
+ reg = <0xf8019000 0x400>;
+ interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>, /* error */
+ <GIC_SPI 64 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 65 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 66 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 70 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "error",
+ "ch0", "ch1", "ch2", "ch3",
+ "ch4", "ch5", "ch6", "ch7",
+ "ch8", "ch9", "ch10", "ch12",
+ "ch12", "ch13", "ch14", "ch15";
+ clocks = <&clkctrl ARTPEC6_CLK_DMA_ACLK>;
+ #dma-cells = <2>;
+ dma-channels = <8>;
+ dma-requests = <8>;
+ };
+ dma1: dma@f8019400 {
+ compatible = "renesas,nbpfaxi64dmac8b16";
+ reg = <0xf8019400 0x400>;
+ interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>, /* error */
+ <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 75 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "error",
+ "ch0", "ch1", "ch2", "ch3",
+ "ch4", "ch5", "ch6", "ch7",
+ "ch8", "ch9", "ch10", "ch12",
+ "ch12", "ch13", "ch14", "ch15";
+ clocks = <&clkctrl ARTPEC6_CLK_DMA_ACLK>;
+ #dma-cells = <2>;
+ dma-channels = <8>;
+ dma-requests = <8>;
+ };
+
ethernet: ethernet@f8010000 {
clock-names = "stmmaceth", "ptp_ref";
clocks = <&clkctrl ARTPEC6_CLK_ETH_ACLK>,
@@ -266,6 +312,9 @@
clock-names = "uart_clk", "apb_pclk";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart0>;
+ dmas = <&dma0 4 (NBPF_SLAVE_RQ_HIGH | NBPF_SLAVE_RQ_LEVEL)>,
+ <&dma0 5 (NBPF_SLAVE_RQ_HIGH | NBPF_SLAVE_RQ_LEVEL)>;
+ dma-names = "rx", "tx";
status = "disabled";
};
uart1: serial@f8037000 {
@@ -277,6 +326,9 @@
clock-names = "uart_clk", "apb_pclk";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart1>;
+ dmas = <&dma0 6 (NBPF_SLAVE_RQ_HIGH | NBPF_SLAVE_RQ_LEVEL)>,
+ <&dma0 7 (NBPF_SLAVE_RQ_HIGH | NBPF_SLAVE_RQ_LEVEL)>;
+ dma-names = "rx", "tx";
status = "disabled";
};
uart2: serial@f8038000 {
@@ -288,6 +340,9 @@
clock-names = "uart_clk", "apb_pclk";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart2>;
+ dmas = <&dma1 0 (NBPF_SLAVE_RQ_HIGH | NBPF_SLAVE_RQ_LEVEL)>,
+ <&dma1 1 (NBPF_SLAVE_RQ_HIGH | NBPF_SLAVE_RQ_LEVEL)>;
+ dma-names = "rx", "tx";
status = "disabled";
};
uart3: serial@f8039000 {
@@ -299,6 +354,9 @@
clock-names = "uart_clk", "apb_pclk";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart3>;
+ dmas = <&dma1 2 (NBPF_SLAVE_RQ_HIGH | NBPF_SLAVE_RQ_LEVEL)>,
+ <&dma1 3 (NBPF_SLAVE_RQ_HIGH | NBPF_SLAVE_RQ_LEVEL)>;
+ dma-names = "rx", "tx";
status = "disabled";
};
};
--
2.14.2
--
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