arm64: dts: rockchip: Add rk3368 mailbox device nodes

This adds mailbox device nodes in dts.

Mailbox is used by the Rockchip CPU cores to communicate
requests to MCU processor.

Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm64/boot/dts/rockchip/rk3368.dtsi b/arch/arm64/boot/dts/rockchip/rk3368.dtsi
index 394916341680abc3adbe44ac44079d379e563f53..7056a0fa1921bc1e324d7310ba7c4c43703f18cb 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk3368.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3368.dtsi
@@ -555,6 +555,18 @@
                status = "disabled";
        };
 
+       mbox: mbox@ff6b0000 {
+               compatible = "rockchip,rk3368-mailbox";
+               reg = <0x0 0xff6b0000 0x0 0x1000>;
+               interrupts = <GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>,
+                            <GIC_SPI 149 IRQ_TYPE_LEVEL_HIGH>;
+               clocks = <&cru PCLK_MAILBOX>;
+               clock-names = "pclk_mailbox";
+               #mbox-cells = <1>;
+       };
+
        pmugrf: syscon@ff738000 {
                compatible = "rockchip,rk3368-pmugrf", "syscon";
                reg = <0x0 0xff738000 0x0 0x1000>;