arm64: dts: imx8: add a node label to ddr-pmu

The ddr-pmu on i.mx8dxl has a different interrupt number.
Add a node label to ddr-pmu so that it could be referred
and changed in i.mx8dxl dts.

Signed-off-by: Shenwei Wang <shenwei.wang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-ddr.dtsi b/arch/arm64/boot/dts/freescale/imx8-ss-ddr.dtsi
index 8b5cad4e270029883ae03ead30456e2d1ddbb0af..7d5183c6c5bef9b57f2ff92c5184272e43054a03 100644 (file)
--- a/arch/arm64/boot/dts/freescale/imx8-ss-ddr.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8-ss-ddr.dtsi
@@ -10,7 +10,7 @@ ddr_subsys: bus@5c000000 {
        #size-cells = <1>;
        ranges = <0x5c000000 0x0 0x5c000000 0x1000000>;
 
-       ddr-pmu@5c020000 {
+       ddr_pmu0: ddr-pmu@5c020000 {
                compatible = "fsl,imx8-ddr-pmu";
                reg = <0x5c020000 0x10000>;
                interrupts = <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>;