[PATCH V4 3/5] arm64: dts: qcom: ipq9574: Add RPM related nodes

[Devi Priya <quic_devipriy@quicinc.com>]

Add RPM Glink & RPM message RAM nodes to support frequency scaling
on IPQ9574.

Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Co-developed-by: Praveenkumar I <quic_ipkumar@quicinc.com>
Signed-off-by: Praveenkumar I <quic_ipkumar@quicinc.com>
Signed-off-by: Devi Priya <quic_devipriy@quicinc.com>
---
 Changes in V4:
	- Picked up the R-b tag

 arch/arm64/boot/dts/qcom/ipq9574.dtsi | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/ipq9574.dtsi b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
index 7c820463a79d..1f9b7529e7ed 100644
--- a/arch/arm64/boot/dts/qcom/ipq9574.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
@@ -110,12 +110,29 @@
 		};
 	};
 
+	rpm-glink {
+		compatible = "qcom,glink-rpm";
+		interrupts = <GIC_SPI 168 IRQ_TYPE_EDGE_RISING>;
+		qcom,rpm-msg-ram = <&rpm_msg_ram>;
+		mboxes = <&apcs_glb 0>;
+
+		rpm_requests: rpm-requests {
+			compatible = "qcom,rpm-ipq9574";
+			qcom,glink-channels = "rpm_requests";
+		};
+	};
+
 	soc: soc@0 {
 		compatible = "simple-bus";
 		#address-cells = <1>;
 		#size-cells = <1>;
 		ranges = <0 0 0 0xffffffff>;
 
+		rpm_msg_ram: sram@60000 {
+			compatible = "qcom,rpm-msg-ram";
+			reg = <0x00060000 0x6000>;
+		};
+
 		pcie0_phy: phy@84000 {
 			compatible = "qcom,ipq9574-qmp-gen3x1-pcie-phy";
 			reg = <0x00084000 0x1000>;
-- 
2.17.1