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Message-ID: <20190820122742.GE31261@centauri>
Date: Tue, 20 Aug 2019 14:27:42 +0200
From: Niklas Cassel <niklas.cassel@...aro.org>
To: Vinod Koul <vkoul@...nel.org>
Cc: Andy Gross <agross@...nel.org>, linux-arm-msm@...r.kernel.org,
Bjorn Andersson <bjorn.andersson@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Stephen Boyd <sboyd@...nel.org>,
Sibi Sankar <sibis@...eaurora.org>, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/8] arm64: dts: qcom: sm8150: add base dts file
On Tue, Aug 20, 2019 at 12:12:09PM +0530, Vinod Koul wrote:
> This add base DTS file with cpu, psci, firmware, clock, tlmm and
> spmi nodes which enables boot to console
>
> Signed-off-by: Vinod Koul <vkoul@...nel.org>
> ---
> arch/arm64/boot/dts/qcom/sm8150.dtsi | 305 +++++++++++++++++++++++++++
> 1 file changed, 305 insertions(+)
> create mode 100644 arch/arm64/boot/dts/qcom/sm8150.dtsi
>
> diff --git a/arch/arm64/boot/dts/qcom/sm8150.dtsi b/arch/arm64/boot/dts/qcom/sm8150.dtsi
> new file mode 100644
> index 000000000000..d9dc95f851b7
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/sm8150.dtsi
> @@ -0,0 +1,305 @@
> +// SPDX-License-Identifier: BSD-3-Clause
> +// Copyright (c) 2017-2019, The Linux Foundation. All rights reserved.
> +// Copyright (c) 2019, Linaro Limited
> +
> +#include <dt-bindings/interrupt-controller/arm-gic.h>
> +#include <dt-bindings/soc/qcom,rpmh-rsc.h>
> +#include <dt-bindings/clock/qcom,rpmh.h>
> +
> +/ {
> + interrupt-parent = <&intc>;
> +
> + #address-cells = <2>;
> + #size-cells = <2>;
> +
> + chosen { };
What is the point of an empty node without a label?
Perhaps I'm missing something.
> +
> + clocks {
> + xo_board: xo-board {
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + clock-frequency = <38400000>;
> + clock-output-names = "xo_board";
> + };
> +
> + sleep_clk: sleep-clk {
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + clock-frequency = <32764>;
> + clock-output-names = "sleep_clk";
> + };
> + };
> +
> + cpus {
> + #address-cells = <2>;
> + #size-cells = <0>;
> +
> + CPU0: cpu@0 {
> + device_type = "cpu";
> + compatible = "qcom,kryo485";
I don't see this compatible in
Documentation/devicetree/bindings/arm/cpus.yaml
> + reg = <0x0 0x0>;
> + enable-method = "psci";
> + 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 = "qcom,kryo485";
> + reg = <0x0 0x100>;
> + enable-method = "psci";
> + next-level-cache = <&L2_100>;
> + L2_100: l2-cache {
> + compatible = "cache";
> + next-level-cache = <&L3_0>;
> + };
> +
> + };
> +
> + CPU2: cpu@200 {
> + device_type = "cpu";
> + compatible = "qcom,kryo485";
> + reg = <0x0 0x200>;
> + enable-method = "psci";
> + next-level-cache = <&L2_200>;
> + L2_200: l2-cache {
> + compatible = "cache";
> + next-level-cache = <&L3_0>;
> + };
> + };
> +
> + CPU3: cpu@300 {
> + device_type = "cpu";
> + compatible = "qcom,kryo485";
> + reg = <0x0 0x300>;
> + enable-method = "psci";
> + next-level-cache = <&L2_300>;
> + L2_300: l2-cache {
> + compatible = "cache";
> + next-level-cache = <&L3_0>;
> + };
> + };
> +
> + CPU4: cpu@400 {
> + device_type = "cpu";
> + compatible = "qcom,kryo485";
> + reg = <0x0 0x400>;
> + enable-method = "psci";
> + next-level-cache = <&L2_400>;
> + L2_400: l2-cache {
> + compatible = "cache";
> + next-level-cache = <&L3_0>;
> + };
> + };
> +
> + CPU5: cpu@500 {
> + device_type = "cpu";
> + compatible = "qcom,kryo485";
> + reg = <0x0 0x500>;
> + enable-method = "psci";
> + next-level-cache = <&L2_500>;
> + L2_500: l2-cache {
> + compatible = "cache";
> + next-level-cache = <&L3_0>;
> + };
> + };
> +
> + CPU6: cpu@600 {
> + device_type = "cpu";
> + compatible = "qcom,kryo485";
> + reg = <0x0 0x600>;
> + enable-method = "psci";
> + next-level-cache = <&L2_600>;
> + L2_600: l2-cache {
> + compatible = "cache";
> + next-level-cache = <&L3_0>;
> + };
> + };
> +
> + CPU7: cpu@700 {
> + device_type = "cpu";
> + compatible = "qcom,kryo485";
> + reg = <0x0 0x700>;
> + enable-method = "psci";
> + next-level-cache = <&L2_700>;
> + L2_700: l2-cache {
> + compatible = "cache";
> + next-level-cache = <&L3_0>;
> + };
> + };
> + };
I was expecting to see the cpu-map here, defining
the core to cluster relationship.
> +
> + firmware {
> + scm: scm {
> + compatible = "qcom,scm-sm8150", "qcom,scm";
> + #reset-cells = <1>;
> + };
> + };
> +
> + memory@...00000 {
> + device_type = "memory";
> + /* We expect the bootloader to fill in the size */
> + reg = <0 0x80000000 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@...000 {
> + compatible = "qcom,gcc-sm8150";
> + reg = <0x00100000 0x1f0000>;
> + #clock-cells = <1>;
> + #reset-cells = <1>;
> + #power-domain-cells = <1>;
> + clock-names = "bi_tcxo",
> + "sleep_clk";
> + clocks = <&rpmhcc RPMH_CXO_CLK>,
> + <&sleep_clk>;
> + };
> +
> + qupv3_id_1: geniqup@...000 {
> + compatible = "qcom,geni-se-qup";
> + reg = <0x00ac0000 0x6000>;
> + clock-names = "m-ahb", "s-ahb";
> + clocks = <&gcc 123>,
> + <&gcc 124>;
Is there no defines for these?
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges;
> + status = "disabled";
> +
> + uart2: serial@...000 {
> + compatible = "qcom,geni-debug-uart";
> + reg = <0x00a90000 0x4000>;
> + clock-names = "se";
> + clocks = <&gcc 105>;
> + interrupts = <GIC_SPI 357 IRQ_TYPE_LEVEL_HIGH>;
> + status = "disabled";
> + };
> + };
> +
> + tlmm: pinctrl@...0000 {
> + compatible = "qcom,sm8150-pinctrl";
> + reg = <0x03100000 0x300000>,
> + <0x03500000 0x300000>,
> + <0x03900000 0x300000>,
> + <0x03d00000 0x300000>;
> + reg-names = "west", "east", "north", "south";
> + interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
> + gpio-ranges = <&tlmm 0 0 175>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + };
> +
> + intc: interrupt-controller@...00000 {
> + compatible = "arm,gic-v3";
> + interrupt-controller;
> + #interrupt-cells = <3>;
> + reg = <0x17a00000 0x10000>, /* GICD */
> + <0x17a60000 0x100000>; /* GICR * 8 */
> + interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
> + };
> +
> + timer@...20000 {
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges;
> + compatible = "arm,armv7-timer-mem";
> + reg = <0x17c20000 0x1000>;
> + clock-frequency = <19200000>;
> +
> + frame@...21000{
> + frame-number = <0>;
> + interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
> + reg = <0x17c21000 0x1000>,
> + <0x17c22000 0x1000>;
> + };
> +
> + frame@...23000 {
> + frame-number = <1>;
> + interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
> + reg = <0x17c23000 0x1000>;
> + status = "disabled";
> + };
> +
> + frame@...25000 {
> + frame-number = <2>;
> + interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
> + reg = <0x17c25000 0x1000>;
> + status = "disabled";
> + };
> +
> + frame@...27000 {
> + frame-number = <3>;
> + interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
> + reg = <0x17c26000 0x1000>;
> + status = "disabled";
> + };
> +
> + frame@...29000 {
> + frame-number = <4>;
> + interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
> + reg = <0x17c29000 0x1000>;
> + status = "disabled";
> + };
> +
> + frame@...2b000 {
> + frame-number = <5>;
> + interrupts = <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>;
> + reg = <0x17c2b000 0x1000>;
> + status = "disabled";
> + };
> +
> + frame@...2d000 {
> + frame-number = <6>;
> + interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>;
> + reg = <0x17c2d000 0x1000>;
> + status = "disabled";
> + };
> + };
> +
> + spmi_bus: spmi@...0000 {
> + compatible = "qcom,spmi-pmic-arb";
> + reg = <0x0c440000 0x0001100>,
> + <0x0c600000 0x2000000>,
> + <0x0e600000 0x0100000>,
> + <0x0e700000 0x00a0000>,
> + <0x0c40a000 0x0026000>;
> + reg-names = "core", "chnls", "obsrvr", "intr", "cnfg";
> + interrupt-names = "periph_irq";
> + interrupts = <GIC_SPI 481 IRQ_TYPE_LEVEL_HIGH>;
> + qcom,ee = <0>;
> + qcom,channel = <0>;
> + #address-cells = <2>;
> + #size-cells = <0>;
> + interrupt-controller;
> + #interrupt-cells = <4>;
> + cell-index = <0>;
> + };
> + };
> +
> + timer {
> + compatible = "arm,armv8-timer";
> + interrupts = <GIC_PPI 1 IRQ_TYPE_LEVEL_LOW>,
> + <GIC_PPI 2 IRQ_TYPE_LEVEL_LOW>,
> + <GIC_PPI 3 IRQ_TYPE_LEVEL_LOW>,
> + <GIC_PPI 0 IRQ_TYPE_LEVEL_LOW>;
> + };
> +};
> --
> 2.20.1
>
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