ARM: dts: r8a77470: Add I2C4 support

Add I2C4 support to RZ/G1C (a.k.a. r8a77470) SoC specific
device tree.

Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Biju Das <biju.das@bp.renesas.com>
Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm/boot/dts/r8a77470.dtsi b/arch/arm/boot/dts/r8a77470.dtsi
index 9e7f86d42fad847d0cabc1df8331365fb313f72c..9ec78d3d0ca8bf6bff454a57952ba92dfd68c140 100644 (file)
--- a/arch/arm/boot/dts/r8a77470.dtsi
+++ b/arch/arm/boot/dts/r8a77470.dtsi
@@ -237,6 +237,20 @@
                        reg = <0 0xe6300000 0 0x20000>;
                };
 
+               i2c4: i2c@e6520000 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       compatible = "renesas,i2c-r8a77470",
+                                    "renesas,rcar-gen2-i2c";
+                       reg = <0 0xe6520000 0 0x40>;
+                       interrupts = <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&cpg CPG_MOD 927>;
+                       power-domains = <&sysc R8A77470_PD_ALWAYS_ON>;
+                       resets = <&cpg 927>;
+                       i2c-scl-internal-delay-ns = <6>;
+                       status = "disabled";
+               };
+
                dmac0: dma-controller@e6700000 {
                        compatible = "renesas,dmac-r8a77470",
                                     "renesas,rcar-dmac";