diff mbox series

[09/16] ARM: dts: at91: sama5d2: Add DMA bindings for the flx3 SPI function

Message ID 20200514050301.147442-10-tudor.ambarus@microchip.com
State New
Headers show
Series ARM: dts: at91: sama5d2: Rework Flexcom definitions | expand

Commit Message

Tudor Ambarus May 14, 2020, 5:03 a.m. UTC 
From: Tudor Ambarus <tudor.ambarus@microchip.com>

Spare boards of duplicating the DMA bindings. Describe the flx3
DMA bindings in the SoC dtsi. Users that don't want to use DMA
for their flexcom functions have to overwrite the flexcom DMA
bindings in their board device tree.

Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
---
 arch/arm/boot/dts/at91-sama5d27_som1_ek.dts | 1 +
 arch/arm/boot/dts/at91-sama5d2_icp.dts      | 1 +
 arch/arm/boot/dts/sama5d2.dtsi              | 9 +++++++++
 3 files changed, 11 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts b/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts
index 6ad66d034305..1aa8b79d618b 100644
--- a/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts
+++ b/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts
@@ -179,6 +179,7 @@ 
 				};
 
 				spi5: spi@400 {
+					dmas = <0>, <0>;
 					pinctrl-names = "default";
 					pinctrl-0 = <&pinctrl_flx3_default>;
 					status = "disabled"; /* Conflict with isc. */
diff --git a/arch/arm/boot/dts/at91-sama5d2_icp.dts b/arch/arm/boot/dts/at91-sama5d2_icp.dts
index 4a01ab8e7e70..559d8ae93af9 100644
--- a/arch/arm/boot/dts/at91-sama5d2_icp.dts
+++ b/arch/arm/boot/dts/at91-sama5d2_icp.dts
@@ -167,6 +167,7 @@ 
 	status = "okay";
 
 	spi5: spi@400 {
+		dmas = <0>, <0>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&pinctrl_mikrobus1_spi &pinctrl_mikrobus1_spi_cs>;
 		status = "okay";
diff --git a/arch/arm/boot/dts/sama5d2.dtsi b/arch/arm/boot/dts/sama5d2.dtsi
index 66aa8d6502d3..5a0162915ae7 100644
--- a/arch/arm/boot/dts/sama5d2.dtsi
+++ b/arch/arm/boot/dts/sama5d2.dtsi
@@ -919,6 +919,15 @@ 
 					interrupts = <22 IRQ_TYPE_LEVEL_HIGH 7>;
 					clocks = <&pmc PMC_TYPE_PERIPHERAL 22>;
 					clock-names = "spi_clk";
+					dmas = <&dma0
+						(AT91_XDMAC_DT_MEM_IF(0) |
+						 AT91_XDMAC_DT_PER_IF(1) |
+						 AT91_XDMAC_DT_PERID(17))>,
+					       <&dma0
+						(AT91_XDMAC_DT_MEM_IF(0) |
+						 AT91_XDMAC_DT_PER_IF(1) |
+						 AT91_XDMAC_DT_PERID(18))>;
+					dma-names = "tx", "rx";
 					atmel,fifo-size = <16>;
 					status = "disabled";
 				};