Re: [PATCH 01/19] arm64: dts: qcom: Add base QDU1000/QRU1000 DTSIs

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On Sat, 1 Oct 2022 at 06:09, Melody Olvera <quic_molvera@xxxxxxxxxxx> wrote:
>
> Add the base DTSI files for QDU1000 and QRU1000 SoCs, including base
> descriptions of CPUs, GCC, RPMHCC, UART, and interrupt-controller to
> boot to shell with console on these SoCs.
>
> Signed-off-by: Melody Olvera <quic_molvera@xxxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/qcom/qdru1000.dtsi | 370 +++++++++++++++++++++++++
>  arch/arm64/boot/dts/qcom/qdu1000.dtsi  |  10 +
>  arch/arm64/boot/dts/qcom/qru1000.dtsi  |  10 +
>  3 files changed, 390 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/qcom/qdru1000.dtsi
>  create mode 100644 arch/arm64/boot/dts/qcom/qdu1000.dtsi
>  create mode 100644 arch/arm64/boot/dts/qcom/qru1000.dtsi
>
> diff --git a/arch/arm64/boot/dts/qcom/qdru1000.dtsi b/arch/arm64/boot/dts/qcom/qdru1000.dtsi
> new file mode 100644
> index 000000000000..3610f94bef35
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/qdru1000.dtsi
> @@ -0,0 +1,370 @@
> +// SPDX-License-Identifier: BSD-3-Clause-Clear
> +/*
> + * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
> + */
> +
> +#include <dt-bindings/interrupt-controller/arm-gic.h>
> +#include <dt-bindings/clock/qcom,gcc-qdru1000.h>
> +#include <dt-bindings/clock/qcom,rpmh.h>
> +#include <dt-bindings/soc/qcom,rpmh-rsc.h>
> +
> +/ {
> +       interrupt-parent = <&intc>;
> +
> +       #address-cells = <2>;
> +       #size-cells = <2>;
> +
> +       chosen: chosen { };
> +
> +
> +       clocks {
> +               xo_board: xo_board {

No underscores in node names. Use dash instead. Nobody should be
binding these clocks via the system name, so it should not matter.

> +                       compatible = "fixed-clock";
> +                       clock-frequency = <19200000>;
> +                       clock-output-names = "xo_board";
> +                       #clock-cells = <0>;
> +               };
> +
> +               sleep_clk: sleep_clk {
> +                       compatible = "fixed-clock";
> +                       clock-frequency = <32000>;
> +                       #clock-cells = <0>;
> +               };
> +       };
> +
> +       cpus {
> +               #address-cells = <2>;
> +               #size-cells = <0>;
> +
> +               CPU0: cpu@0 {
> +                       device_type = "cpu";
> +                       compatible = "arm,cortex-a55";
> +                       reg = <0x0 0x0>;
> +                       enable-method = "psci";
> +                       power-domain-names = "psci";
> +                       power-domains = <&CPU_PD0>;
> +                       next-level-cache = <&L2_0>;
> +                       L2_0: l2-cache {
> +                             compatible = "cache";
> +                             next-level-cache = <&L3_0>;
> +                               L3_0: l3-cache {
> +                                       compatible = "cache";
> +                               };
> +                       };
> +               };
> +
> +               CPU1: cpu@100 {
> +                       device_type = "cpu";
> +                       compatible = "arm,cortex-a55";
> +                       reg = <0x0 0x100>;
> +                       enable-method = "psci";
> +                       power-domains = <&CPU_PD1>;
> +                       power-domain-names = "psci";
> +                       next-level-cache = <&L2_100>;
> +                       L2_100: l2-cache {
> +                             compatible = "cache";
> +                             next-level-cache = <&L3_0>;
> +                       };
> +
> +               };
> +
> +               CPU2: cpu@200 {
> +                       device_type = "cpu";
> +                       compatible = "arm,cortex-a55";
> +                       reg = <0x0 0x200>;
> +                       enable-method = "psci";
> +                       power-domains = <&CPU_PD2>;
> +                       power-domain-names = "psci";
> +                       next-level-cache = <&L2_200>;
> +                       L2_200: l2-cache {
> +                             compatible = "cache";
> +                             next-level-cache = <&L3_0>;
> +                       };
> +               };
> +
> +               CPU3: cpu@300 {
> +                       device_type = "cpu";
> +                       compatible = "arm,cortex-a55";
> +                       reg = <0x0 0x300>;
> +                       enable-method = "psci";
> +                       power-domains = <&CPU_PD3>;
> +                       power-domain-names = "psci";
> +                       next-level-cache = <&L2_300>;
> +                       L2_300: l2-cache {
> +                             compatible = "cache";
> +                             next-level-cache = <&L3_0>;
> +                       };
> +
> +               };
> +
> +               cpu-map {
> +                       cluster0 {
> +                               core0 {
> +                                       cpu = <&CPU0>;
> +                               };
> +
> +                               core1 {
> +                                       cpu = <&CPU1>;
> +                               };
> +
> +                               core2 {
> +                                       cpu = <&CPU2>;
> +                               };
> +
> +                               core3 {
> +                                       cpu = <&CPU3>;
> +                               };
> +                       };
> +               };
> +       };
> +
> +       idle-states {
> +               entry-method = "psci";
> +
> +               SILVER_OFF: silver-c4 {  /* C4 */

If this is silver, where is gold?
With the lack of gold/silver distinction, it might be better to just
use CPU/cpu here instead of silver.

> +                       compatible = "arm,idle-state";
> +                       idle-state-name = "rail-pc";
> +                       entry-latency-us = <274>;
> +                       exit-latency-us = <480>;
> +                       min-residency-us = <3934>;
> +                       arm,psci-suspend-param = <0x40000004>;
> +                       local-timer-stop;
> +               };
> +
> +               CLUSTER_PWR_DN: cluster-d4 { /* D4 */

domain idle states go to separate domain-idle-states node.

> +                       compatible = "domain-idle-state";
> +                       idle-state-name = "l3-off";
> +                       entry-latency-us = <584>;
> +                       exit-latency-us = <2332>;
> +                       min-residency-us = <6118>;
> +                       arm,psci-suspend-param = <0x41000044>;
> +               };
> +
> +               APSS_OFF: cluster-e3 { /* E3 */
> +                       compatible = "domain-idle-state";
> +                       idle-state-name = "llcc-off";
> +                       entry-latency-us = <2893>;
> +                       exit-latency-us = <4023>;
> +                       min-residency-us = <9987>;
> +                       arm,psci-suspend-param = <0x41003344>;
> +               };
> +       };
> +
> +       firmware {
> +               qcom_scm {
> +                       compatible = "qcom,scm-qdu100", "qcom.scm-qru1000", "qcom,scm";
> +                       #reset-cells = <1>;
> +               };
> +       };
> +
> +       memory@80000000 {
> +               device_type = "memory";
> +               /* We expect the bootloader to fill in the size */
> +               reg = <0x0 0x80000000 0x0 0x0>;
> +       };
> +
> +       pmu {
> +               compatible = "arm,armv8-pmuv3";
> +               interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_HIGH>;
> +       };
> +
> +       psci {
> +               compatible = "arm,psci-1.0";
> +               method = "smc";
> +
> +               CPU_PD0: cpu-pd0 {
> +                       #power-domain-cells = <0>;
> +                       power-domains = <&CLUSTER_PD>;
> +                       domain-idle-states = <&SILVER_OFF>;
> +               };
> +
> +               CPU_PD1: cpu-pd1 {
> +                       #power-domain-cells = <0>;
> +                       power-domains = <&CLUSTER_PD>;
> +                       domain-idle-states = <&SILVER_OFF>;
> +               };
> +
> +               CPU_PD2: cpu-pd2 {
> +                       #power-domain-cells = <0>;
> +                       power-domains = <&CLUSTER_PD>;
> +                       domain-idle-states = <&SILVER_OFF>;
> +               };
> +
> +               CPU_PD3: cpu-pd3 {
> +                       #power-domain-cells = <0>;
> +                       power-domains = <&CLUSTER_PD>;
> +                       domain-idle-states = <&SILVER_OFF>;
> +               };
> +
> +               CLUSTER_PD: cluster-pd {
> +                       #power-domain-cells = <0>;
> +                       domain-idle-states = <&CLUSTER_PWR_DN &APSS_OFF>;
> +               };
> +       };
> +
> +       soc: soc@0 {
> +               #address-cells = <2>;
> +               #size-cells = <2>;
> +               ranges = <0 0 0 0 0x10 0>;
> +               dma-ranges = <0 0 0 0 0x10 0>;
> +               compatible = "simple-bus";
> +
> +               gcc: clock-controller@80000 {
> +                       compatible = "qcom,gcc-qdu1000", "qcom,gcc-qru1000", "syscon";
> +                       reg = <0x0 0x80000 0x0 0x1f4200>;
> +                       #clock-cells = <1>;
> +                       #reset-cells = <1>;
> +                       #power-domain-cells = <1>;
> +                       clocks = <&rpmhcc RPMH_CXO_CLK>, <&sleep_clk>;
> +                       clock-names = "bi_tcxo", "sleep_clk";
> +               };
> +
> +               qupv3_id_0: geniqup@9c0000 {
> +                       compatible = "qcom,geni-se-qup";
> +                       reg = <0x0 0x9c0000 0x0 0x2000>;
> +                       clock-names = "m-ahb", "s-ahb";
> +                       clocks = <&gcc GCC_QUPV3_WRAP_0_M_AHB_CLK>,
> +                               <&gcc GCC_QUPV3_WRAP_0_S_AHB_CLK>;
> +                       #address-cells = <2>;
> +                       #size-cells = <2>;
> +                       ranges;
> +                       status = "disabled";
> +
> +                       uart7: serial@99c000 {
> +                               compatible = "qcom,geni-debug-uart";
> +                               reg = <0x0 0x99c000 0x0 0x4000>;
> +                               clock-names = "se";
> +                               clocks = <&gcc GCC_QUPV3_WRAP0_S7_CLK>;
> +                               interrupts = <GIC_SPI 608 IRQ_TYPE_LEVEL_HIGH>;
> +                               #address-cells = <1>;
> +                               #size-cells = <0>;
> +                               status = "disabled";
> +                       };
> +               };
> +
> +               tcsr_mutex: hwlock@1f40000 {
> +                       compatible = "qcom,tcsr-mutex";
> +                       reg = <0x0 0x1f40000 0x0 0x20000>;
> +                       #hwlock-cells = <1>;
> +               };
> +
> +               pdc: interrupt-controller@b220000 {
> +                       compatible = "qcom,pdc";
> +                       reg = <0x0 0xb220000 0x0 0x30000>, <0x0 0x174000f0 0x0 0x64>;
> +                       reg-names = "pdc-interrupt-base", "apss-shared-spi-cfg";
> +                       qcom,pdc-ranges = <0 480 12>, <14 494 24>, <40 520 54>,
> +                                         <94 609 31>, <125 63 1>;
> +                       #interrupt-cells = <2>;
> +                       interrupt-parent = <&intc>;
> +                       interrupt-controller;
> +               };

Sort the devices according to the address please.

> +
> +               intc: interrupt-controller@17200000 {
> +                       compatible = "arm,gic-v3";
> +                       #interrupt-cells = <3>;
> +                       interrupt-controller;
> +                       #redistributor-regions = <1>;
> +                       redistributor-stride = <0x0 0x20000>;
> +                       reg = <0x0 0x17200000 0x0 0x10000>,     /* GICD */
> +                             <0x0 0x17260000 0x0 0x80000>;     /* GICR * 4 */
> +                       interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_LOW>;
> +               };
> +
> +               timer@17420000 {
> +                       compatible = "arm,armv7-timer-mem";
> +                       #address-cells = <2>;
> +                       #size-cells = <2>;
> +                       ranges;
> +                       reg = <0x0 0x17420000 0x0 0x1000>;
> +                       clock-frequency = <19200000>;
> +
> +                       frame@17421000 {
> +                               frame-number = <0>;
> +                               interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>,
> +                                            <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
> +                               reg = <0x0 0x17421000 0x0 0x1000>,
> +                                     <0x0 0x17422000 0x0 0x1000>;
> +                       };
> +
> +                       frame@17423000 {
> +                               frame-number = <1>;
> +                               interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
> +                               reg = <0x0 0x17423000 0x0 0x1000>;
> +                               status = "disabled";
> +                       };
> +
> +                       frame@17425000 {
> +                               frame-number = <2>;
> +                               interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
> +                               reg = <0x0 0x17425000 0x0 0x1000>,
> +                                     <0x0 0x17426000 0x0 0x1000>;
> +                               status = "disabled";
> +                       };
> +
> +                       frame@17427000 {
> +                               frame-number = <3>;
> +                               interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
> +                               reg = <0x0 0x17427000 0x0 0x1000>;
> +                               status = "disabled";
> +                       };
> +
> +                       frame@17429000 {
> +                               frame-number = <4>;
> +                               interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
> +                               reg = <0x0 0x17429000 0x0 0x1000>;
> +                               status = "disabled";
> +                       };
> +
> +                       frame@1742b000 {
> +                               frame-number = <5>;
> +                               interrupts = <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>;
> +                               reg = <0x0 0x1742b000 0x0 0x1000>;
> +                               status = "disabled";
> +                       };
> +
> +                       frame@1742d000 {
> +                               frame-number = <6>;
> +                               interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>;
> +                               reg = <0x0 0x1742d000 0x0 0x1000>;
> +                               status = "disabled";
> +                       };
> +               };
> +
> +               apps_rsc: rsc@17a00000 {
> +                       label = "apps_rsc";
> +                       compatible = "qcom,rpmh-rsc";
> +                       reg = <0x0 0x17a00000 0x0 0x10000>,
> +                             <0x0 0x17a10000 0x0 0x10000>,
> +                             <0x0 0x17a20000 0x0 0x10000>;
> +                       reg-names = "drv-0", "drv-1", "drv-2";
> +                       interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>,
> +                                    <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>,
> +                                    <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
> +                       qcom,tcs-offset = <0xd00>;
> +                       qcom,drv-id = <2>;
> +                       qcom,tcs-config = <ACTIVE_TCS    2>, <SLEEP_TCS     3>,
> +                                         <WAKE_TCS      3>, <CONTROL_TCS   0>;
> +
> +                       apps_bcm_voter: bcm_voter {
> +                               compatible = "qcom,bcm-voter";
> +                       };
> +
> +                       rpmhcc: clock-controller {
> +                               compatible = "qcom,qdu1000-rpmh-clk", "qcom,qru1000-rpmh-clk";
> +                               #clock-cells = <1>;
> +                               clock-names = "xo";
> +                               clocks = <&xo_board>;
> +                       };
> +               };
> +
> +               arch_timer: timer {
> +                       compatible = "arm,armv8-timer";
> +                       interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>,
> +                                    <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>,
> +                                    <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>,
> +                                    <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>,
> +                                    <GIC_PPI 12 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>;
> +                       clock-frequency = <19200000>;
> +               };
> +       };
> +};
> diff --git a/arch/arm64/boot/dts/qcom/qdu1000.dtsi b/arch/arm64/boot/dts/qcom/qdu1000.dtsi
> new file mode 100644
> index 000000000000..ba195e7ffc38
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/qdu1000.dtsi
> @@ -0,0 +1,10 @@
> +// SPDX-License-Identifier: BSD-3-Clause-Clear
> +/*
> + * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
> + */
> +
> +#include "qdru1000.dtsi"
> +
> +/ {
> +       qcom,msm-id = <545 0x10000>, <587 0x10000>;

Ugh. If this is the only difference between chips, I'd suggest merging
qdru1000 in one of the includes and then overriding msm-id in the
second one.

> +};
> diff --git a/arch/arm64/boot/dts/qcom/qru1000.dtsi b/arch/arm64/boot/dts/qcom/qru1000.dtsi
> new file mode 100644
> index 000000000000..1639a4b3c1fb
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/qru1000.dtsi
> @@ -0,0 +1,10 @@
> +// SPDX-License-Identifier: BSD-3-Clause-Clear
> +/*
> + * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
> + */
> +
> +#include "qdru1000.dtsi"
> +
> +/ {
> +       qcom,msm-id = <539 0x10000>, <588 0x10000>, <589 0x10000>, <590 0x10000>;
> +};
> --
> 2.37.3
>


-- 
With best wishes
Dmitry



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