[v6,5/8] ARM: dts: at91: sam9x60: Add DMA bindings for the flexcom nodes

Message ID 20230207110651.197268-6-durai.manickamkr@microchip.com
State New
Headers
Series Add support for sam9x60 curiosity board |

Commit Message

Durai Manickam KR Feb. 7, 2023, 11:06 a.m. UTC
  From: Manikandan Muralidharan <manikandan.m@microchip.com>

Add dma bindings for flexcom nodes in the soc dtsi file. Users those who
don't wish to use the DMA function for their flexcom functions can
overwrite the dma bindings in the board device tree file.

Signed-off-by: Manikandan Muralidharan <manikandan.m@microchip.com>
[durai.manickamkr@microchip.com: fixed code indentation and updated commit log]
Signed-off-by: Durai Manickam KR <durai.manickamkr@microchip.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
---
 arch/arm/boot/dts/at91-sam9x60ek.dts |  3 +++
 arch/arm/boot/dts/sam9x60.dtsi       | 27 +++++++++++++++++++++++++++
 2 files changed, 30 insertions(+)
  

Patch

diff --git a/arch/arm/boot/dts/at91-sam9x60ek.dts b/arch/arm/boot/dts/at91-sam9x60ek.dts
index 6b6391d5041e..180e4b1aa2f6 100644
--- a/arch/arm/boot/dts/at91-sam9x60ek.dts
+++ b/arch/arm/boot/dts/at91-sam9x60ek.dts
@@ -209,6 +209,7 @@  &flx0 {
 	i2c0: i2c@600 {
 		#address-cells = <1>;
 		#size-cells = <0>;
+		dmas = <0>, <0>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&pinctrl_flx0_default>;
 		i2c-analog-filter;
@@ -230,6 +231,7 @@  &flx4 {
 	status = "disabled";
 
 	spi4: spi@400 {
+		dmas = <0>, <0>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&pinctrl_flx4_default>;
 		status = "disabled";
@@ -254,6 +256,7 @@  &flx6 {
 	i2c6: i2c@600 {
 		#address-cells = <1>;
 		#size-cells = <0>;
+		dmas = <0>, <0>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&pinctrl_flx6_default>;
 		i2c-analog-filter;
diff --git a/arch/arm/boot/dts/sam9x60.dtsi b/arch/arm/boot/dts/sam9x60.dtsi
index 1e401a919f56..8442971458e4 100644
--- a/arch/arm/boot/dts/sam9x60.dtsi
+++ b/arch/arm/boot/dts/sam9x60.dtsi
@@ -177,6 +177,15 @@  spi4: spi@400 {
 					interrupts = <13 IRQ_TYPE_LEVEL_HIGH 7>;
 					clocks = <&pmc PMC_TYPE_PERIPHERAL 13>;
 					clock-names = "spi_clk";
+					dmas = <&dma0
+						(AT91_XDMAC_DT_MEM_IF(0) |
+						 AT91_XDMAC_DT_PER_IF(1) |
+						 AT91_XDMAC_DT_PERID(8))>,
+						<&dma0
+						(AT91_XDMAC_DT_MEM_IF(0) |
+						 AT91_XDMAC_DT_PER_IF(1) |
+						 AT91_XDMAC_DT_PERID(9))>;
+					dma-names = "tx", "rx";
 					atmel,fifo-size = <16>;
 					status = "disabled";
 				};
@@ -417,6 +426,15 @@  i2c6: i2c@600 {
 					reg = <0x600 0x200>;
 					interrupts = <9 IRQ_TYPE_LEVEL_HIGH 7>;
 					clocks = <&pmc PMC_TYPE_PERIPHERAL 9>;
+					dmas = <&dma0
+						(AT91_XDMAC_DT_MEM_IF(0) |
+						 AT91_XDMAC_DT_PER_IF(1) |
+						 AT91_XDMAC_DT_PERID(12))>,
+						<&dma0
+						(AT91_XDMAC_DT_MEM_IF(0) |
+						 AT91_XDMAC_DT_PER_IF(1) |
+						 AT91_XDMAC_DT_PERID(13))>;
+					dma-names = "tx", "rx";
 					atmel,fifo-size = <16>;
 					status = "disabled";
 				};
@@ -456,6 +474,15 @@  i2c0: i2c@600 {
 					reg = <0x600 0x200>;
 					interrupts = <5 IRQ_TYPE_LEVEL_HIGH 7>;
 					clocks = <&pmc PMC_TYPE_PERIPHERAL 5>;
+					dmas = <&dma0
+						(AT91_XDMAC_DT_MEM_IF(0) |
+						 AT91_XDMAC_DT_PER_IF(1) |
+						 AT91_XDMAC_DT_PERID(0))>,
+						<&dma0
+						(AT91_XDMAC_DT_MEM_IF(0) |
+						 AT91_XDMAC_DT_PER_IF(1) |
+						 AT91_XDMAC_DT_PERID(1))>;
+					dma-names = "tx", "rx";
 					atmel,fifo-size = <16>;
 					status = "disabled";
 				};