From: Ghennadi Procopciuc <ghennadi.procopciuc@xxxxxxx> Linux controls the clocks over SCMI on S32G SoCs. Therefore, add the SCMI device tree node and the reserved region for SCMI messages. Signed-off-by: Catalin Udma <catalin-dan.udma@xxxxxxx> Signed-off-by: Ghennadi Procopciuc <ghennadi.procopciuc@xxxxxxx> --- arch/arm64/boot/dts/freescale/s32g2.dtsi | 27 +++++++++++++++++++++++- 1 file changed, 26 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/freescale/s32g2.dtsi b/arch/arm64/boot/dts/freescale/s32g2.dtsi index 5ac1cc9ff50e..ef1a1d61f2ba 100644 --- a/arch/arm64/boot/dts/freescale/s32g2.dtsi +++ b/arch/arm64/boot/dts/freescale/s32g2.dtsi @@ -3,7 +3,7 @@ * NXP S32G2 SoC family * * Copyright (c) 2021 SUSE LLC - * Copyright (c) 2017-2021 NXP + * Copyright 2017-2021, 2024 NXP */ #include <dt-bindings/interrupt-controller/arm-gic.h> @@ -14,6 +14,18 @@ / { #address-cells = <2>; #size-cells = <2>; + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + scmi_buf: shm@d0000000 { + compatible = "arm,scmi-shmem"; + reg = <0x0 0xd0000000 0x0 0x80>; + no-map; + }; + }; + cpus { #address-cells = <1>; #size-cells = <0>; @@ -77,6 +89,19 @@ timer { }; firmware { + scmi { + compatible = "arm,scmi-smc"; + arm,smc-id = <0xc20000fe>; + #address-cells = <1>; + #size-cells = <0>; + shmem = <&scmi_buf>; + + clks: protocol@14 { + reg = <0x14>; + #clock-cells = <1>; + }; + }; + psci { compatible = "arm,psci-1.0"; method = "smc"; -- 2.43.0