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>

1 files changed, 10 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/r8a73a4.dtsi b/arch/arm/boot/dts/r8a73a4.dtsi
index fdcca5d0fb61..77bd35cd8911 100644
--- 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>;