Commit 9af42b81 authored by Lad Prabhakar's avatar Lad Prabhakar Committed by Geert Uytterhoeven
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ARM: dts: r8a7742: Add I2C and IIC support 



Add the I2C[0-3] and IIC[0-3] device nodes to the R8A7742 device tree.

Automatic transmission for PMIC control is not available on IIC3 hence
compatible strings "renesas,rcar-gen2-iic" and "renesas,rmobile-iic" are
not added to iic3 node.

Signed-off-by: default avatarLad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: default avatarMarian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com>
Link: https://lore.kernel.org/r/1589555337-5498-4-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com


Signed-off-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
parent b3a9e3b9

arch/arm/boot/dts/r8a7742.dtsi

+122 −0
Original line number Diff line number Diff line
@@ -359,6 +359,128 @@ icram2: sram@e6300000 { 
			ranges = <0 0 0xe6300000 0x40000>;

		};



		i2c0: i2c@e6508000 {

			#address-cells = <1>;

			#size-cells = <0>;

			compatible = "renesas,i2c-r8a7742",

				     "renesas,rcar-gen2-i2c";

			reg = <0 0xe6508000 0 0x40>;

			interrupts = <GIC_SPI 287 IRQ_TYPE_LEVEL_HIGH>;

			clocks = <&cpg CPG_MOD 931>;

			power-domains = <&sysc R8A7742_PD_ALWAYS_ON>;

			resets = <&cpg 931>;

			i2c-scl-internal-delay-ns = <110>;

			status = "disabled";

		};



		i2c1: i2c@e6518000 {

			#address-cells = <1>;

			#size-cells = <0>;

			compatible = "renesas,i2c-r8a7742",

				     "renesas,rcar-gen2-i2c";

			reg = <0 0xe6518000 0 0x40>;

			interrupts = <GIC_SPI 288 IRQ_TYPE_LEVEL_HIGH>;

			clocks = <&cpg CPG_MOD 930>;

			power-domains = <&sysc R8A7742_PD_ALWAYS_ON>;

			resets = <&cpg 930>;

			i2c-scl-internal-delay-ns = <6>;

			status = "disabled";

		};



		i2c2: i2c@e6530000 {

			#address-cells = <1>;

			#size-cells = <0>;

			compatible = "renesas,i2c-r8a7742",

				     "renesas,rcar-gen2-i2c";

			reg = <0 0xe6530000 0 0x40>;

			interrupts = <GIC_SPI 286 IRQ_TYPE_LEVEL_HIGH>;

			clocks = <&cpg CPG_MOD 929>;

			power-domains = <&sysc R8A7742_PD_ALWAYS_ON>;

			resets = <&cpg 929>;

			i2c-scl-internal-delay-ns = <6>;

			status = "disabled";

		};



		i2c3: i2c@e6540000 {

			#address-cells = <1>;

			#size-cells = <0>;

			compatible = "renesas,i2c-r8a7742",

				     "renesas,rcar-gen2-i2c";

			reg = <0 0xe6540000 0 0x40>;

			interrupts = <GIC_SPI 290 IRQ_TYPE_LEVEL_HIGH>;

			clocks = <&cpg CPG_MOD 928>;

			power-domains = <&sysc R8A7742_PD_ALWAYS_ON>;

			resets = <&cpg 928>;

			i2c-scl-internal-delay-ns = <110>;

			status = "disabled";

		};



		iic0: i2c@e6500000 {

			#address-cells = <1>;

			#size-cells = <0>;

			compatible = "renesas,iic-r8a7742",

				     "renesas,rcar-gen2-iic",

				     "renesas,rmobile-iic";

			reg = <0 0xe6500000 0 0x425>;

			interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>;

			clocks = <&cpg CPG_MOD 318>;

			dmas = <&dmac0 0x61>, <&dmac0 0x62>,

			       <&dmac1 0x61>, <&dmac1 0x62>;

			dma-names = "tx", "rx", "tx", "rx";

			power-domains = <&sysc R8A7742_PD_ALWAYS_ON>;

			resets = <&cpg 318>;

			status = "disabled";

		};



		iic1: i2c@e6510000 {

			#address-cells = <1>;

			#size-cells = <0>;

			compatible = "renesas,iic-r8a7742",

				     "renesas,rcar-gen2-iic",

				     "renesas,rmobile-iic";

			reg = <0 0xe6510000 0 0x425>;

			interrupts = <GIC_SPI 175 IRQ_TYPE_LEVEL_HIGH>;

			clocks = <&cpg CPG_MOD 323>;

			dmas = <&dmac0 0x65>, <&dmac0 0x66>,

			       <&dmac1 0x65>, <&dmac1 0x66>;

			dma-names = "tx", "rx", "tx", "rx";

			power-domains = <&sysc R8A7742_PD_ALWAYS_ON>;

			resets = <&cpg 323>;

			status = "disabled";

		};



		iic2: i2c@e6520000 {

			#address-cells = <1>;

			#size-cells = <0>;

			compatible = "renesas,iic-r8a7742",

				     "renesas,rcar-gen2-iic",

				     "renesas,rmobile-iic";

			reg = <0 0xe6520000 0 0x425>;

			interrupts = <GIC_SPI 176 IRQ_TYPE_LEVEL_HIGH>;

			clocks = <&cpg CPG_MOD 300>;

			dmas = <&dmac0 0x69>, <&dmac0 0x6a>,

			       <&dmac1 0x69>, <&dmac1 0x6a>;

			dma-names = "tx", "rx", "tx", "rx";

			power-domains = <&sysc R8A7742_PD_ALWAYS_ON>;

			resets = <&cpg 300>;

			status = "disabled";

		};



		iic3: i2c@e60b0000 {

			#address-cells = <1>;

			#size-cells = <0>;

			compatible = "renesas,iic-r8a7742";

			reg = <0 0xe60b0000 0 0x425>;

			interrupts = <GIC_SPI 173 IRQ_TYPE_LEVEL_HIGH>;

			clocks = <&cpg CPG_MOD 926>;

			dmas = <&dmac0 0x77>, <&dmac0 0x78>,

			       <&dmac1 0x77>, <&dmac1 0x78>;

			dma-names = "tx", "rx", "tx", "rx";

			power-domains = <&sysc R8A7742_PD_ALWAYS_ON>;

			resets = <&cpg 926>;

			status = "disabled";

		};



		dmac0: dma-controller@e6700000 {

			compatible = "renesas,dmac-r8a7742",

				     "renesas,rcar-dmac";