arm64: dts: qcom: ipq9574: Add RPM related nodes

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>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230517172527.1968-2-quic_devipriy@quicinc.com

diff --git a/arch/arm64/boot/dts/qcom/ipq9574.dtsi b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
index b751d2a..917a63f 100644 (file)
--- 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>;
+               };
+
                rng: rng@e3000 {
                        compatible = "qcom,prng-ee";
                        reg = <0x000e3000 0x1000>;