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Message-ID: <CAL_JsqKsCpofdsP_TojGxeCkv59r5Ce7-4Sz1B1V_QCL1eQDVg@mail.gmail.com>
Date:   Thu, 8 Nov 2018 15:45:28 -0600
From:   Rob Herring <robh+dt@...nel.org>
To:     Vinod <vkoul@...nel.org>
Cc:     Andy Gross <andy.gross@...aro.org>,
        David Brown <david.brown@...aro.org>,
        Mark Rutland <mark.rutland@....com>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        "open list:ARM/QUALCOMM SUPPORT" <linux-soc@...r.kernel.org>,
        devicetree@...r.kernel.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 01/18] arm64: dts: qcom: qcs404: add base dts files

On Thu, Nov 8, 2018 at 12:40 PM Vinod Koul <vkoul@...nel.org> wrote:
>
> Add base dts files for QCS404 chipset along with cpu, timer,
> gcc and uart2 nodes.
>
> Signed-off-by: Vinod Koul <vkoul@...nel.org>
> ---
>  arch/arm64/boot/dts/qcom/qcs404.dtsi | 175 +++++++++++++++++++++++++++++++++++
>  1 file changed, 175 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/qcom/qcs404.dtsi
>
> diff --git a/arch/arm64/boot/dts/qcom/qcs404.dtsi b/arch/arm64/boot/dts/qcom/qcs404.dtsi
> new file mode 100644
> index 000000000000..b77d1198ba79
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/qcs404.dtsi
> @@ -0,0 +1,175 @@
> +// SPDX-License-Identifier: GPL-2.0
> +// Copyright (c) 2018, Linaro Limited
> +
> +#include <dt-bindings/interrupt-controller/arm-gic.h>
> +#include <dt-bindings/clock/qcom,gcc-qcs404.h>
> +
> +/ {
> +       interrupt-parent = <&intc>;
> +
> +       #address-cells = <2>;
> +       #size-cells = <2>;
> +
> +       chosen { };
> +
> +       clocks {
> +               xo_board: xo_board {

Build your dtbs with "W=12" and fix any warnings. You should get a
warning about '_'.

> +                       compatible = "fixed-clock";
> +                       #clock-cells = <0>;
> +                       clock-frequency = <19200000>;
> +               };
> +       };
> +
> +       cpus {
> +               #address-cells = <1>;
> +               #size-cells = <0>;
> +
> +               CPU0: cpu@0 {

unit address is wrong.

> +                       device_type = "cpu";
> +                       compatible = "arm,cortex-a53";
> +                       reg = <0x100>;
> +                       enable-method = "psci";
> +                       next-level-cache = <&L2_0>;
> +               };
> +
> +               CPU1: cpu@1 {
> +                       device_type = "cpu";
> +                       compatible = "arm,cortex-a53";
> +                       reg = <0x101>;
> +                       enable-method = "psci";
> +                       next-level-cache = <&L2_0>;
> +               };
> +
> +               CPU2: cpu@2 {
> +                       device_type = "cpu";
> +                       compatible = "arm,cortex-a53";
> +                       reg = <0x102>;
> +                       enable-method = "psci";
> +                       next-level-cache = <&L2_0>;
> +               };
> +
> +               CPU3: cpu@3 {
> +                       device_type = "cpu";
> +                       compatible = "arm,cortex-a53";
> +                       reg = <0x103>;
> +                       enable-method = "psci";
> +                       next-level-cache = <&L2_0>;
> +               };
> +
> +               L2_0: l2-cache {
> +                       compatible = "cache";
> +                       cache-level = <2>;
> +               };
> +       };
> +
> +       memory@...00000 {
> +               device_type = "memory";
> +               /* We expect the bootloader to fill in the reg */

Can't you put in a default or base address at least.

> +               reg = <0 0x0 0 0>;
> +       };
> +
> +       psci {
> +               compatible = "arm,psci-1.0";
> +               method = "smc";
> +       };
> +
> +       soc: soc@0 {
> +               #address-cells = <1>;
> +               #size-cells = <1>;
> +               ranges = <0 0 0 0xffffffff>;
> +               compatible = "simple-bus";
> +
> +               gcc: clock-controller@...0000 {
> +                       compatible = "qcom,gcc-qcs404";
> +                       reg = <0x01800000 0x80000>;
> +                       #clock-cells = <1>;
> +
> +                       assigned-clocks = <&gcc GCC_APSS_AHB_CLK_SRC>;
> +                       assigned-clock-rates = <19200000>;
> +               };
> +
> +               blsp1_uart2: serial@...1000 {
> +                       compatible = "qcom,msm-uartdm-v1.4", "qcom,msm-uartdm";
> +                       reg = <0x078b1000 0x200>;
> +                       interrupts = <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>;
> +                       clocks = <&gcc GCC_BLSP1_UART2_APPS_CLK>, <&gcc GCC_BLSP1_AHB_CLK>;
> +                       clock-names = "core", "iface";
> +                       status = "okay";
> +               };
> +
> +               intc: interrupt-controller@...0000 {
> +                       compatible = "qcom,msm-qgic2";
> +                       interrupt-controller;
> +                       #interrupt-cells = <3>;
> +                       reg = <0x0b000000 0x1000>,
> +                             <0x0b002000 0x1000>;
> +               };
> +
> +               timer@...0000 {
> +                       #address-cells = <1>;
> +                       #size-cells = <1>;
> +                       ranges;
> +                       compatible = "arm,armv7-timer-mem";
> +                       reg = <0x0b120000 0x1000>;
> +                       clock-frequency = <19200000>;
> +
> +                       frame@...1000 {
> +                               frame-number = <0>;
> +                               interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>,
> +                                            <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
> +                               reg = <0x0b121000 0x1000>,
> +                                     <0x0b122000 0x1000>;
> +                       };
> +
> +                       frame@...3000 {
> +                               frame-number = <1>;
> +                               interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
> +                               reg = <0x0b123000 0x1000>;
> +                               status = "disabled";
> +                       };
> +
> +                       frame@...4000 {
> +                               frame-number = <2>;
> +                               interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
> +                               reg = <0x0b124000 0x1000>;
> +                               status = "disabled";
> +                       };
> +
> +                       frame@...5000 {
> +                               frame-number = <3>;
> +                               interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
> +                               reg = <0x0b125000 0x1000>;
> +                               status = "disabled";
> +                       };
> +
> +                       frame@...6000 {
> +                               frame-number = <4>;
> +                               interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
> +                               reg = <0x0b126000 0x1000>;
> +                               status = "disabled";
> +                       };
> +
> +                       frame@...7000 {
> +                               frame-number = <5>;
> +                               interrupts = <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>;
> +                               reg = <0xb127000 0x1000>;
> +                               status = "disabled";
> +                       };
> +
> +                       frame@...8000 {
> +                               frame-number = <6>;
> +                               interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>;
> +                               reg = <0x0b128000 0x1000>;
> +                               status = "disabled";
> +                       };
> +               };
> +       };
> +
> +       timer {
> +               compatible = "arm,armv8-timer";
> +               interrupts = <GIC_PPI 2 0xff08>,
> +                            <GIC_PPI 3 0xff08>,
> +                            <GIC_PPI 4 0xff08>,
> +                            <GIC_PPI 1 0xff08>;
> +       };
> +};
> --
> 2.14.4
>

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