arm64: dts: r8a7796: add I2C support

Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm64/boot/dts/renesas/r8a7796.dtsi b/arch/arm64/boot/dts/renesas/r8a7796.dtsi
index f9cb7796ad49e46872056ceedbe86e5ded579448..2e940ff613781a75355fa19dbcc592688fb4629c 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a7796.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a7796.dtsi
@@ -17,6 +17,16 @@ / {
        #address-cells = <2>;
        #size-cells = <2>;
 
+       aliases {
+               i2c0 = &i2c0;
+               i2c1 = &i2c1;
+               i2c2 = &i2c2;
+               i2c3 = &i2c3;
+               i2c4 = &i2c4;
+               i2c5 = &i2c5;
+               i2c6 = &i2c6;
+       };
+
        psci {
                compatible = "arm,psci-0.2";
                method = "smc";
@@ -239,6 +249,90 @@ sysc: system-controller@e6180000 {
                        #power-domain-cells = <1>;
                };
 
+               i2c0: i2c@e6500000 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       compatible = "renesas,i2c-r8a7796";
+                       reg = <0 0xe6500000 0 0x40>;
+                       interrupts = <GIC_SPI 287 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&cpg CPG_MOD 931>;
+                       power-domains = <&sysc R8A7796_PD_ALWAYS_ON>;
+                       i2c-scl-internal-delay-ns = <110>;
+                       status = "disabled";
+               };
+
+               i2c1: i2c@e6508000 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       compatible = "renesas,i2c-r8a7796";
+                       reg = <0 0xe6508000 0 0x40>;
+                       interrupts = <GIC_SPI 288 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&cpg CPG_MOD 930>;
+                       power-domains = <&sysc R8A7796_PD_ALWAYS_ON>;
+                       i2c-scl-internal-delay-ns = <6>;
+                       status = "disabled";
+               };
+
+               i2c2: i2c@e6510000 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       compatible = "renesas,i2c-r8a7796";
+                       reg = <0 0xe6510000 0 0x40>;
+                       interrupts = <GIC_SPI 286 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&cpg CPG_MOD 929>;
+                       power-domains = <&sysc R8A7796_PD_ALWAYS_ON>;
+                       i2c-scl-internal-delay-ns = <6>;
+                       status = "disabled";
+               };
+
+               i2c3: i2c@e66d0000 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       compatible = "renesas,i2c-r8a7796";
+                       reg = <0 0xe66d0000 0 0x40>;
+                       interrupts = <GIC_SPI 290 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&cpg CPG_MOD 928>;
+                       power-domains = <&sysc R8A7796_PD_ALWAYS_ON>;
+                       i2c-scl-internal-delay-ns = <110>;
+                       status = "disabled";
+               };
+
+               i2c4: i2c@e66d8000 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       compatible = "renesas,i2c-r8a7796";
+                       reg = <0 0xe66d8000 0 0x40>;
+                       interrupts = <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&cpg CPG_MOD 927>;
+                       power-domains = <&sysc R8A7796_PD_ALWAYS_ON>;
+                       i2c-scl-internal-delay-ns = <110>;
+                       status = "disabled";
+               };
+
+               i2c5: i2c@e66e0000 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       compatible = "renesas,i2c-r8a7796";
+                       reg = <0 0xe66e0000 0 0x40>;
+                       interrupts = <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&cpg CPG_MOD 919>;
+                       power-domains = <&sysc R8A7796_PD_ALWAYS_ON>;
+                       i2c-scl-internal-delay-ns = <110>;
+                       status = "disabled";
+               };
+
+               i2c6: i2c@e66e8000 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       compatible = "renesas,i2c-r8a7796";
+                       reg = <0 0xe66e8000 0 0x40>;
+                       interrupts = <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&cpg CPG_MOD 918>;
+                       power-domains = <&sysc R8A7796_PD_ALWAYS_ON>;
+                       i2c-scl-internal-delay-ns = <6>;
+                       status = "disabled";
+               };
+
                scif2: serial@e6e88000 {
                        compatible = "renesas,scif-r8a7796",
                                     "renesas,rcar-gen3-scif", "renesas,scif";