Add all I2C nodes of the flexcom IP blocks. The driver supports
FIFO, DMA or both combined. But the latter isn't working correctly.
Thus, skip the fifo-size property for now. DMA is doing single byte
reads in this case.
Keep the nodes disabled by default.
Signed-off-by: Michael Walle <michael@xxxxxxxx>
Reviewed-by: Claudiu Beznea <claudiu.beznea@xxxxxxxxxxxxx>
---
arch/arm/boot/dts/lan966x.dtsi | 65 ++++++++++++++++++++++++++++++++++
1 file changed, 65 insertions(+)
diff --git a/arch/arm/boot/dts/lan966x.dtsi b/arch/arm/boot/dts/lan966x.dtsi
index a37f2e58a1c2..342c8cee2b9a 100644
--- a/arch/arm/boot/dts/lan966x.dtsi
+++ b/arch/arm/boot/dts/lan966x.dtsi
@@ -120,6 +120,19 @@ spi0: spi@400 {
#size-cells = <0>;
status = "disabled";
};
+
+ i2c0: i2c@600 {
+ compatible = "microchip,sam9x60-i2c";
+ reg = <0x600 0x200>;
+ interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>;
+ dmas = <&dma0 AT91_XDMAC_DT_PERID(3)>,
+ <&dma0 AT91_XDMAC_DT_PERID(2)>;
+ dma-names = "tx", "rx";
+ clocks = <&nic_clk>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
};
flx1: flexcom@e0044000 {
@@ -158,6 +171,19 @@ spi1: spi@400 {
#size-cells = <0>;
status = "disabled";
};
+
+ i2c1: i2c@600 {
+ compatible = "microchip,sam9x60-i2c";
+ reg = <0x600 0x200>;
+ interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>;
+ dmas = <&dma0 AT91_XDMAC_DT_PERID(5)>,
+ <&dma0 AT91_XDMAC_DT_PERID(4)>;
+ dma-names = "tx", "rx";
+ clocks = <&nic_clk>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
};
trng: rng@e0048000 {
@@ -213,6 +239,19 @@ spi2: spi@400 {
#size-cells = <0>;
status = "disabled";
};
+
+ i2c2: i2c@600 {
+ compatible = "microchip,sam9x60-i2c";
+ reg = <0x600 0x200>;
+ interrupts = <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>;
+ dmas = <&dma0 AT91_XDMAC_DT_PERID(7)>,
+ <&dma0 AT91_XDMAC_DT_PERID(6)>;
+ dma-names = "tx", "rx";
+ clocks = <&nic_clk>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
};
flx3: flexcom@e0064000 {
@@ -251,6 +290,19 @@ spi3: spi@400 {
#size-cells = <0>;
status = "disabled";
};
+
+ i2c3: i2c@600 {
+ compatible = "microchip,sam9x60-i2c";
+ reg = <0x600 0x200>;
+ interrupts = <GIC_SPI 51 IRQ_TYPE_LEVEL_HIGH>;
+ dmas = <&dma0 AT91_XDMAC_DT_PERID(9)>,
+ <&dma0 AT91_XDMAC_DT_PERID(8)>;
+ dma-names = "tx", "rx";
+ clocks = <&nic_clk>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
};
dma0: dma-controller@e0068000 {
@@ -308,6 +360,19 @@ spi4: spi@400 {
#size-cells = <0>;
status = "disabled";
};
+
+ i2c4: i2c@600 {
+ compatible = "microchip,sam9x60-i2c";
+ reg = <0x600 0x200>;
+ interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>;
+ dmas = <&dma0 AT91_XDMAC_DT_PERID(11)>,
+ <&dma0 AT91_XDMAC_DT_PERID(10)>;
+ dma-names = "tx", "rx";
+ clocks = <&nic_clk>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
};
timer0: timer@e008c000 {
--
2.30.2
