ARM: shmobile: r8a73a4 dtsi: Add Bus State Controller node

Add a node for the Bus State Controller (BSC) on r8a73a4, to which
multiple external devices can be connected.

The BSC is driven by the ZB clock, and located in PM domain C4.
A reference to the latter will be added later.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com>
Acked-by: Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm/boot/dts/r8a73a4.dtsi b/arch/arm/boot/dts/r8a73a4.dtsi
index fdcca5d0fb61f0bcf6257b6b6b576149c5b82add..77bd35cd89113df7caaaa32f9242a724bb367e80 100644 (file)
--- a/arch/arm/boot/dts/r8a73a4.dtsi
+++ b/arch/arm/boot/dts/r8a73a4.dtsi
@@ -409,6 +409,16 @@
                interrupts = <1 9 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
        };
 
+       bsc: bus@fec10000 {
+               compatible = "renesas,bsc-r8a73a4", "renesas,bsc",
+                            "simple-pm-bus";
+               #address-cells = <1>;
+               #size-cells = <1>;
+               ranges = <0 0 0 0x20000000>;
+               reg = <0 0xfec10000 0 0x400>;
+               clocks = <&zb_clk>;
+       };
+
        clocks {
                #address-cells = <2>;
                #size-cells = <2>;