UPSTREAM: 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>
(cherry picked from commit 6e7f9f5ad552327fcc1151e2dca141075f3e160a)

Change-Id: I9b93b2b3c28ca686c297d839077df5d725436f2f

diff --git a/arch/arm64/boot/dts/rockchip/rk3368.dtsi b/arch/arm64/boot/dts/rockchip/rk3368.dtsi
index c17dc288dc03d2d3420a97adefb0410d49edc66e..7415e34a9c622aac2d55adf784e1b0dabac39363 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk3368.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3368.dtsi
@@ -676,6 +676,18 @@
                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>;
+       };
+
        pmu: power-management@ff730000 {
                compatible = "rockchip,rk3368-pmu", "syscon", "simple-mfd";
                reg = <0x0 0xff730000 0x0 0x1000>;