SRAM is used by the ACPM protocol to retrieve the ACPM channels information, which includes the TX/RX rings among other channel configuration data. Add the SRAM node. Signed-off-by: Tudor Ambarus <tudor.ambarus@xxxxxxxxxx> --- arch/arm64/boot/dts/exynos/google/gs101.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm64/boot/dts/exynos/google/gs101.dtsi b/arch/arm64/boot/dts/exynos/google/gs101.dtsi index 302c5beb224a..1441e9a252c2 100644 --- a/arch/arm64/boot/dts/exynos/google/gs101.dtsi +++ b/arch/arm64/boot/dts/exynos/google/gs101.dtsi @@ -269,6 +269,14 @@ bldr_log_hist_reserved: bldr-log-hist-reserved@fd900000 { }; }; + apm_sram: sram@2039000 { + compatible = "mmio-sram"; + reg = <0x0 0x2039000 0x40000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x0 0x2039000 0x40000>; + }; + soc: soc@0 { compatible = "simple-bus"; #address-cells = <1>; -- 2.47.1.613.gc27f4b7a9f-goog