Re: [PATCH 02/10] arm64: dts: qcom: Add base SM8550 dtsi

From: Krzysztof Kozlowski
Date: Thu Nov 17 2022 - 07:50:47 EST


On 16/11/2022 11:31, Abel Vesa wrote:
> Add base dtsi for SM8550 SoC and includes base description of
> CPUs, GCC, RPMHCC, UART, interrupt controller, TLMM, reserved
> memory, RPMh PD, TCSRCC, ITS, IPCC, AOSS QMP, LLCC, cpufreq,
> interconnect, thermal sensor, cpu cooling maps and SMMU nodes
> which helps boot to shell with console on boards with this SoC.
>
> Co-developed-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
> Signed-off-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
> Signed-off-by: Abel Vesa <abel.vesa@xxxxxxxxxx>
> ---
> arch/arm64/boot/dts/qcom/sm8550.dtsi | 3986 ++++++++++++++++++++++++++
> 1 file changed, 3986 insertions(+)
> create mode 100644 arch/arm64/boot/dts/qcom/sm8550.dtsi
>

Thank you for your patch. There is something to discuss/improve.

> +
> + pmu@240b6400 {
> + compatible = "qcom,sm8550-cpu-bwmon", "qcom,msm8998-bwmon";
> + reg = <0x0 0x240b6400 0x0 0x600>;
> + interrupts = <GIC_SPI 581 IRQ_TYPE_LEVEL_HIGH>;
> + interconnects = <&gem_noc MASTER_APPSS_PROC 3 &gem_noc SLAVE_LLCC 3>;
> +
> + operating-points-v2 = <&cpu_bwmon_opp_table>;
> +
> + cpu_bwmon_opp_table: opp-table {
> + compatible = "operating-points-v2";
> +
> + opp-0 {
> + opp-peak-kBps = <4577000>;
> + };
> + opp-1 {
> + opp-peak-kBps = <7110000>;
> + };
> + opp-2 {
> + opp-peak-kBps = <9155000>;
> + };
> + opp-3 {
> + opp-peak-kBps = <12298000>;
> + };
> + opp-4 {
> + opp-peak-kBps = <14236000>;
> + };
> + opp-5 {
> + opp-peak-kBps = <16265000>;
> + };
> + };
> + };
> +
> + pmu@24091000 {

Nodes should be ordered by the address. Mostly they are, but at least
BWMONs are not.

> + compatible = "qcom,sm8550-llcc-bwmon", "qcom,sc7280-llcc-bwmon";
> + reg = <0x0 0x24091000 0x0 0x1000>;
> + interrupts = <GIC_SPI 81 IRQ_TYPE_LEVEL_HIGH>;
> + interconnects = <&mc_virt MASTER_LLCC 3 &mc_virt SLAVE_EBI1 3>;
> +
> + operating-points-v2 = <&llcc_bwmon_opp_table>;
> +
> + llcc_bwmon_opp_table: opp-table {
> + compatible = "operating-points-v2";
> +
> + opp-0 {
> + opp-peak-kBps = <2086000>;
> +

Drop empty lines here and in places below.

> + };
> + opp-1 {
> + opp-peak-kBps = <2929000>;
> +
> + };
> + opp-2 {
> + opp-peak-kBps = <5931000>;
> +
> + };
> + opp-3 {
> + opp-peak-kBps = <6515000>;
> +
> + };
> + opp-4 {
> + opp-peak-kBps = <7980000>;
> +
> + };
> + opp-5 {
> + opp-peak-kBps = <10437000>;
> +
> + };
> + opp-6 {
> + opp-peak-kBps = <12157000>;
> +
> + };
> + opp-7 {
> + opp-peak-kBps = <14060000>;
> +
> + };
> + opp-8 {
> + opp-peak-kBps = <16113000>;
> +
> + };
> + };


Best regards,
Krzysztof