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: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Marian-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: Geert Uytterhoeven <geert+renesas@glider.be>

diff --git a/arch/arm/boot/dts/r8a7742.dtsi b/arch/arm/boot/dts/r8a7742.dtsi
index 305d8086a3dd02f8538ec91e871e2096d1f328ca..f28c32d239f5e29c3e2d237e10d17cce84c9479c 100644 (file)
--- a/arch/arm/boot/dts/r8a7742.dtsi
+++ b/arch/arm/boot/dts/r8a7742.dtsi
@@ -359,6 +359,128 @@
                        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";