arm64: dts: renesas: r8a77961: Add I2C nodes

Add device nodes for the I2C and IIC Controllers on the Renesas R-Car
M3-W+ (r8a77961) SoC, including DMA properties linking them to the DMA
controllers.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Eugeniu Rosca <erosca@de.adit-jv.com>
Tested-by: Eugeniu Rosca <erosca@de.adit-jv.com>
Link: https://lore.kernel.org/r/20191216124740.16647-6-geert+renesas@glider.be

diff --git a/arch/arm64/boot/dts/renesas/r8a77961.dtsi b/arch/arm64/boot/dts/renesas/r8a77961.dtsi
index cd6cbf6..77fbe0f 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a77961.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77961.dtsi
@@ -481,27 +481,138 @@
                        /* placeholder */
                };
 
+               i2c0: i2c@e6500000 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       compatible = "renesas,i2c-r8a77961",
+                                    "renesas,rcar-gen3-i2c";
+                       reg = <0 0xe6500000 0 0x40>;
+                       interrupts = <GIC_SPI 287 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&cpg CPG_MOD 931>;
+                       power-domains = <&sysc R8A77961_PD_ALWAYS_ON>;
+                       resets = <&cpg 931>;
+                       dmas = <&dmac1 0x91>, <&dmac1 0x90>,
+                              <&dmac2 0x91>, <&dmac2 0x90>;
+                       dma-names = "tx", "rx", "tx", "rx";
+                       i2c-scl-internal-delay-ns = <110>;
+                       status = "disabled";
+               };
+
+               i2c1: i2c@e6508000 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       compatible = "renesas,i2c-r8a77961",
+                                    "renesas,rcar-gen3-i2c";
+                       reg = <0 0xe6508000 0 0x40>;
+                       interrupts = <GIC_SPI 288 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&cpg CPG_MOD 930>;
+                       power-domains = <&sysc R8A77961_PD_ALWAYS_ON>;
+                       resets = <&cpg 930>;
+                       dmas = <&dmac1 0x93>, <&dmac1 0x92>,
+                              <&dmac2 0x93>, <&dmac2 0x92>;
+                       dma-names = "tx", "rx", "tx", "rx";
+                       i2c-scl-internal-delay-ns = <6>;
+                       status = "disabled";
+               };
+
                i2c2: i2c@e6510000 {
                        #address-cells = <1>;
                        #size-cells = <0>;
+                       compatible = "renesas,i2c-r8a77961",
+                                    "renesas,rcar-gen3-i2c";
                        reg = <0 0xe6510000 0 0x40>;
-                       /* placeholder */
+                       interrupts = <GIC_SPI 286 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&cpg CPG_MOD 929>;
+                       power-domains = <&sysc R8A77961_PD_ALWAYS_ON>;
+                       resets = <&cpg 929>;
+                       dmas = <&dmac1 0x95>, <&dmac1 0x94>,
+                              <&dmac2 0x95>, <&dmac2 0x94>;
+                       dma-names = "tx", "rx", "tx", "rx";
+                       i2c-scl-internal-delay-ns = <6>;
+                       status = "disabled";
+               };
+
+               i2c3: i2c@e66d0000 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       compatible = "renesas,i2c-r8a77961",
+                                    "renesas,rcar-gen3-i2c";
+                       reg = <0 0xe66d0000 0 0x40>;
+                       interrupts = <GIC_SPI 290 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&cpg CPG_MOD 928>;
+                       power-domains = <&sysc R8A77961_PD_ALWAYS_ON>;
+                       resets = <&cpg 928>;
+                       dmas = <&dmac0 0x97>, <&dmac0 0x96>;
+                       dma-names = "tx", "rx";
+                       i2c-scl-internal-delay-ns = <110>;
+                       status = "disabled";
                };
 
                i2c4: i2c@e66d8000 {
                        #address-cells = <1>;
                        #size-cells = <0>;
+                       compatible = "renesas,i2c-r8a77961",
+                                    "renesas,rcar-gen3-i2c";
                        reg = <0 0xe66d8000 0 0x40>;
-                       /* placeholder */
+                       interrupts = <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&cpg CPG_MOD 927>;
+                       power-domains = <&sysc R8A77961_PD_ALWAYS_ON>;
+                       resets = <&cpg 927>;
+                       dmas = <&dmac0 0x99>, <&dmac0 0x98>;
+                       dma-names = "tx", "rx";
+                       i2c-scl-internal-delay-ns = <110>;
+                       status = "disabled";
+               };
+
+               i2c5: i2c@e66e0000 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       compatible = "renesas,i2c-r8a77961",
+                                    "renesas,rcar-gen3-i2c";
+                       reg = <0 0xe66e0000 0 0x40>;
+                       interrupts = <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&cpg CPG_MOD 919>;
+                       power-domains = <&sysc R8A77961_PD_ALWAYS_ON>;
+                       resets = <&cpg 919>;
+                       dmas = <&dmac0 0x9b>, <&dmac0 0x9a>;
+                       dma-names = "tx", "rx";
+                       i2c-scl-internal-delay-ns = <110>;
+                       status = "disabled";
+               };
+
+               i2c6: i2c@e66e8000 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       compatible = "renesas,i2c-r8a77961",
+                                    "renesas,rcar-gen3-i2c";
+                       reg = <0 0xe66e8000 0 0x40>;
+                       interrupts = <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&cpg CPG_MOD 918>;
+                       power-domains = <&sysc R8A77961_PD_ALWAYS_ON>;
+                       resets = <&cpg 918>;
+                       dmas = <&dmac0 0x9d>, <&dmac0 0x9c>;
+                       dma-names = "tx", "rx";
+                       i2c-scl-internal-delay-ns = <6>;
+                       status = "disabled";
                };
 
                i2c_dvfs: i2c@e60b0000 {
                        #address-cells = <1>;
                        #size-cells = <0>;
+                       compatible = "renesas,iic-r8a77961",
+                                    "renesas,rcar-gen3-iic",
+                                    "renesas,rmobile-iic";
                        reg = <0 0xe60b0000 0 0x425>;
-                       /* placeholder */
+                       interrupts = <GIC_SPI 173 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&cpg CPG_MOD 926>;
+                       power-domains = <&sysc R8A77961_PD_ALWAYS_ON>;
+                       resets = <&cpg 926>;
+                       dmas = <&dmac0 0x11>, <&dmac0 0x10>;
+                       dma-names = "tx", "rx";
+                       status = "disabled";
                };
 
+
                hscif1: serial@e6550000 {
                        reg = <0 0xe6550000 0 0x60>;
                        /* placeholder */