diff mbox series

[11/16] ARM: dts: at91: sama5d2: Add DMA bindings for the SPI and I2C flx0 functions

Message ID 20200514050301.147442-12-tudor.ambarus@microchip.com (mailing list archive)
State Mainlined
Commit 466fb89be5916af18ba5ea636fc1f7489a71e276
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 flx0
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-sama5d2_icp.dts    |  1 +
 arch/arm/boot/dts/at91-sama5d2_ptc_ek.dts |  1 -
 arch/arm/boot/dts/sama5d2.dtsi            | 18 ++++++++++++++++++
 3 files changed, 19 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/at91-sama5d2_icp.dts b/arch/arm/boot/dts/at91-sama5d2_icp.dts
index 559d8ae93af9..8d19925fc09e 100644
--- a/arch/arm/boot/dts/at91-sama5d2_icp.dts
+++ b/arch/arm/boot/dts/at91-sama5d2_icp.dts
@@ -105,6 +105,7 @@ 
 	status = "okay";
 
 	spi2: spi@400 {
+		dmas = <0>, <0>;
 		cs-gpios = <&pioA PIN_PC0 GPIO_ACTIVE_LOW>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&pinctrl_mikrobus2_spi &pinctrl_ksz_spi_cs>;
diff --git a/arch/arm/boot/dts/at91-sama5d2_ptc_ek.dts b/arch/arm/boot/dts/at91-sama5d2_ptc_ek.dts
index 8ad3a9c6c536..0e0341c83aa5 100644
--- a/arch/arm/boot/dts/at91-sama5d2_ptc_ek.dts
+++ b/arch/arm/boot/dts/at91-sama5d2_ptc_ek.dts
@@ -192,7 +192,6 @@ 
 
 				i2c2: i2c@600 {
 					dmas = <0>, <0>;
-					dma-names = "tx", "rx";
 					pinctrl-names = "default", "gpio";
 					pinctrl-0 = <&pinctrl_flx0_default>;
 					pinctrl-1 = <&pinctrl_flx0_gpio>;
diff --git a/arch/arm/boot/dts/sama5d2.dtsi b/arch/arm/boot/dts/sama5d2.dtsi
index 855846c74a32..5bba8024f485 100644
--- a/arch/arm/boot/dts/sama5d2.dtsi
+++ b/arch/arm/boot/dts/sama5d2.dtsi
@@ -661,6 +661,15 @@ 
 					interrupts = <19 IRQ_TYPE_LEVEL_HIGH 7>;
 					clocks = <&pmc PMC_TYPE_PERIPHERAL 19>;
 					clock-names = "spi_clk";
+					dmas = <&dma0
+						(AT91_XDMAC_DT_MEM_IF(0) |
+						 AT91_XDMAC_DT_PER_IF(1) |
+						 AT91_XDMAC_DT_PERID(11))>,
+					       <&dma0
+						(AT91_XDMAC_DT_MEM_IF(0) |
+						 AT91_XDMAC_DT_PER_IF(1) |
+						 AT91_XDMAC_DT_PERID(12))>;
+					dma-names = "tx", "rx";
 					atmel,fifo-size = <16>;
 					status = "disabled";
 				};
@@ -672,6 +681,15 @@ 
 					#address-cells = <1>;
 					#size-cells = <0>;
 					clocks = <&pmc PMC_TYPE_PERIPHERAL 19>;
+					dmas = <&dma0
+						(AT91_XDMAC_DT_MEM_IF(0) |
+						 AT91_XDMAC_DT_PER_IF(1) |
+						 AT91_XDMAC_DT_PERID(11))>,
+					       <&dma0
+						(AT91_XDMAC_DT_MEM_IF(0) |
+						 AT91_XDMAC_DT_PER_IF(1) |
+						 AT91_XDMAC_DT_PERID(12))>;
+					dma-names = "tx", "rx";
 					atmel,fifo-size = <16>;
 					status = "disabled";
 				};