diff mbox series

[v4,06/13] ARM: dts: lan966x: add flexcom I2C nodes

Message ID 20220502224127.2604333-7-michael@walle.cc (mailing list archive)
State New, archived
Headers show
Series ARM: dts: lan966x: dtsi improvements and KSwitch D10 support | expand

Commit Message

Michael Walle May 2, 2022, 10:41 p.m. UTC 
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@walle.cc>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
---
 arch/arm/boot/dts/lan966x.dtsi | 65 ++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
diff mbox series

Patch

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 {