Re: [PATCH v2 6/6] arm64: dts: sdm845: Redefine interconnect provider DT nodes

Evan Green
2020-02-04T18:19:14Z

On Thu, Jan 9, 2020 at 8:33 PM David Dai <daidavid1@codeaurora.org> wrote:
>
> Add the DT nodes for each of the Network-On-Chip interconnect
> buses found on SDM845 based platform and redefine the rsc_hlos
> child node as a bcm-voter device to better represent the hardware.
>
> Signed-off-by: David Dai <daidavid1@codeaurora.org>
> ---
> arch/arm64/boot/dts/qcom/sdm845.dtsi | 61 ++++++++++++++++++++++++++++++++++--
> 1 file changed, 58 insertions(+), 3 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> index ddb1f23..7c617a9 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> @@ -1364,6 +1364,55 @@
> interrupts = <GIC_SPI 582 IRQ_TYPE_LEVEL_HIGH>;
> };
>
> + mem_noc: interconnect@1380000 {
> + compatible = "qcom,sdm845-mem-noc";
> + reg = <0 0x01380000 0 0x27200>;
> + #interconnect-cells = <1>;
> + qcom,bcm-voters = <&apps_bcm_voter>;
> + };
> +
> + dc_noc: interconnect@14e0000 {
> + compatible = "qcom,sdm845-dc-noc";
> + reg = <0 0x014e0000 0 0x400>;
> + #interconnect-cells = <1>;
> + qcom,bcm-voters = <&apps_bcm_voter>;
> + };
> +
> + config_noc: interconnect@1500000 {
> + compatible = "qcom,sdm845-config-noc";
> + reg = <0 0x01500000 0 0x5080>;
> + #interconnect-cells = <1>;
> + qcom,bcm-voters = <&apps_bcm_voter>;
> + };
> +
> + system_noc: interconnect@1620000 {
> + compatible = "qcom,sdm845-system-noc";
> + reg = <0 0x01620000 0 0x18080>;
> + #interconnect-cells = <1>;
> + qcom,bcm-voters = <&apps_bcm_voter>;
> + };
> +
> + aggre1_noc: interconnect@16e0000 {
> + compatible = "qcom,sdm845-aggre1-noc";
> + reg = <0 0x016e0000 0 0xd080>;
> + #interconnect-cells = <1>;
> + qcom,bcm-voters = <&apps_bcm_voter>;
> + };
> +
> + aggre2_noc: interconnect@1700000 {
> + compatible = "qcom,sdm845-aggre2-noc";
> + reg = <0 0x01700000 0 0x3b100>;
> + #interconnect-cells = <1>;
> + qcom,bcm-voters = <&apps_bcm_voter>;
> + };
> +
> + mmss_noc: interconnect@1740000 {
> + compatible = "qcom,sdm845-mmss-noc";
> + reg = <0 0x01740000 0 0x1c1000>;
> + #interconnect-cells = <1>;
> + qcom,bcm-voters = <&apps_bcm_voter>;
> + };
> +
> ufs_mem_hc: ufshc@1d84000 {
> compatible = "qcom,sdm845-ufshc", "qcom,ufshc",
> "jedec,ufs-2.0";
> @@ -3100,6 +3149,13 @@
> #mbox-cells = <1>;
> };
>
> + gladiator_noc: interconnect@17900000 {
> + compatible = "qcom,sdm845-gladiator-noc";
> + reg = <0 0x17900000 0 0xd080>;
> + #interconnect-cells = <1>;
> + qcom,bcm-voters = <&apps_bcm_voter>;
> + };
> +
> apps_rsc: rsc@179c0000 {
> label = "apps_rsc";
> compatible = "qcom,rpmh-rsc";
> @@ -3174,9 +3230,8 @@
> };
> };
>
> - rsc_hlos: interconnect {
> - compatible = "qcom,sdm845-rsc-hlos";
> - #interconnect-cells = <1>;

With this reworking of the bindings the examples in these files are now broken:
Documentation/devicetree/bindings/display/msm/gpu.txt
Documentation/devicetree/bindings/display/msm/dpu.txt

It would be nice to fix them up in a subsequent change.
-Evan