ARM: dts: at91: sam9x60: Add DMA bindings for the flexcom nodes

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>
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20230207110651.197268-6-durai.manickamkr@microchip.com

diff --git a/arch/arm/boot/dts/at91-sam9x60ek.dts b/arch/arm/boot/dts/at91-sam9x60ek.dts
index 6b6391d..180e4b1 100644 (file)
--- a/arch/arm/boot/dts/at91-sam9x60ek.dts
+++ b/arch/arm/boot/dts/at91-sam9x60ek.dts
@@ -209,6 +209,7 @@
        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 @@
        status = "disabled";
 
        spi4: spi@400 {
+               dmas = <0>, <0>;
                pinctrl-names = "default";
                pinctrl-0 = <&pinctrl_flx4_default>;
                status = "disabled";
@@ -254,6 +256,7 @@
        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 1e401a9..8442971 100644 (file)
--- a/arch/arm/boot/dts/sam9x60.dtsi
+++ b/arch/arm/boot/dts/sam9x60.dtsi
@@ -177,6 +177,15 @@
                                        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 @@
                                        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 @@
                                        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";
                                };