On 6.04.2023 09:00, Devi Priya wrote:
> Add RPM Glink & RPM message RAM nodes to support frequency scaling
> on IPQ9574.
>
> Co-developed-by: Praveenkumar I <quic_ipkumar@xxxxxxxxxxx>
> Signed-off-by: Praveenkumar I <quic_ipkumar@xxxxxxxxxxx>
> Signed-off-by: Devi Priya <quic_devipriy@xxxxxxxxxxx>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
Konrad
> Changes in V3:
> - Moved rpm_msg_ram node under /soc and updated the node name to sram@
> - Moved rpm-glink node such that the nodes are sorted alphabetically
>
> 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>;
