arm64: dts: renesas: r8a78000: Add PSCI node

Describe SMC based PSCI access in SoC DT.  The system can interact with
TFA BL31 PSCI provider running on the Cortex-A cores via SMC calls.

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20260513225037.49803-1-marek.vasut+renesas@mailbox.org
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

diff --git a/arch/arm64/boot/dts/renesas/r8a78000.dtsi b/arch/arm64/boot/dts/renesas/r8a78000.dtsi
index 3ec1b53d27828296b9dc396fd2cf037af7ca24a7..5e8fdc818256cf09eb2a445e9b58e3b43506c186 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a78000.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a78000.dtsi
@@ -665,6 +665,11 @@
                /* clock-frequency must be set on board */
        };
 
+       psci {
+               compatible = "arm,psci-1.0";
+               method = "smc";
+       };
+
        /* External SCIF clock - to be overridden by boards that provide it */
        scif_clk: scif-clk {
                compatible = "fixed-clock";