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Date: Mon, 19 Feb 2018 16:36:51 +0000
From: Marc Zyngier <marc.zyngier@....com>
To: Rajendra Nayak <rnayak@...eaurora.org>
Cc: andy.gross@...aro.org, devicetree@...r.kernel.org,
dianders@...omium.org, linux-arm-msm@...r.kernel.org,
sboyd@...eaurora.org, linux-kernel@...r.kernel.org,
evgreen@...omium.org, bjorn.andersson@...aro.org,
linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v4 3/4] arm64: dts: sdm845: Add minimal dts/dtsi files
for sdm845 SoC and MTP
On Fri, 16 Feb 2018 11:35:02 +0530
Rajendra Nayak <rnayak@...eaurora.org> wrote:
> Add a skeletal sdm845 SoC dtsi and MTP board dts/dtsi files
>
> Signed-off-by: Rajendra Nayak <rnayak@...eaurora.org>
> Reviewed-by: Doug Anderson <dianders@...omium.org>
> ---
> arch/arm64/boot/dts/qcom/Makefile | 1 +
> arch/arm64/boot/dts/qcom/sdm845-mtp.dts | 15 ++
> arch/arm64/boot/dts/qcom/sdm845.dtsi | 277 ++++++++++++++++++++++++++++++++
> 3 files changed, 293 insertions(+)
> create mode 100644 arch/arm64/boot/dts/qcom/sdm845-mtp.dts
> create mode 100644 arch/arm64/boot/dts/qcom/sdm845.dtsi
>
[...]
> diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> new file mode 100644
> index 000000000000..c46e726af621
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> @@ -0,0 +1,277 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * SDM845 SoC device tree source
> + *
> + * Copyright (c) 2018, The Linux Foundation. All rights reserved.
> + */
> +
> +#include <dt-bindings/interrupt-controller/arm-gic.h>
> +
> +/ {
> + interrupt-parent = <&intc>;
> +
> + #address-cells = <2>;
> + #size-cells = <2>;
> +
> + chosen { };
> +
> + memory@...00000 {
> + device_type = "memory";
> + /* We expect the bootloader to fill in the size */
> + reg = <0 0x80000000 0 0>;
> + };
> +
> + cpus {
> + #address-cells = <2>;
> + #size-cells = <0>;
> +
> + CPU0: cpu@0 {
> + device_type = "cpu";
> + compatible = "qcom,kryo385";
> + 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,kryo385";
> + 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,kryo385";
> + 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,kryo385";
> + 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,kryo385";
> + 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,kryo385";
> + 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,kryo385";
> + 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,kryo385";
> + reg = <0x0 0x700>;
> + enable-method = "psci";
> + next-level-cache = <&L2_700>;
> + L2_700: l2-cache {
> + compatible = "cache";
> + next-level-cache = <&L3_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>;
> + };
> +
> + clocks {
> + xo_board: xo-board {
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + clock-frequency = <19200000>;
> + };
> +
> + sleep_clk: sleep-clk {
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + clock-frequency = <32764>;
> + };
> + };
> +
> + psci {
> + compatible = "arm,psci-1.0";
> + method = "smc";
> + };
> +
> + soc: soc {
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges = <0 0 0 0xffffffff>;
> + compatible = "simple-bus";
> +
> + intc: interrupt-controller@...00000 {
> + compatible = "arm,gic-v3";
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges;
> + #interrupt-cells = <3>;
> + interrupt-controller;
> + #redistributor-regions = <1>;
> + redistributor-stride = <0x0 0x20000>;
> + reg = <0x17a00000 0x10000>, /* GICD */
> + <0x17a60000 0x100000>; /* GICR * 8 */
> + interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
> +
> + gic-its@...40000 {
> + compatible = "arm,gic-v3-its";
> + msi-controller;
> + #msi-cells = <1>;
> + reg = <0x17a40000 0x20000>;
> + status = "disabled";
> + };
> + };
> +
> + gcc: clock-controller@...000 {
> + compatible = "qcom,gcc-sdm845";
> + reg = <0x100000 0x1f0000>;
> + #clock-cells = <1>;
> + #reset-cells = <1>;
> + };
> +
> + tlmm: pinctrl@...0000 {
> + compatible = "qcom,sdm845-pinctrl";
> + reg = <0x03400000 0xc00000>;
> + interrupts = <GIC_SPI 208 IRQ_TYPE_NONE>;
Please do not use IRQ_TYPE_NONE, ever. It doesn't exist in the GIC
binding. Set it to the actual trigger value.
> + gpio-controller;
> + #gpio-cells = <2>;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + };
> +
> + timer@...90000 {
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges;
> + compatible = "arm,armv7-timer-mem";
> + reg = <0x17c90000 0x1000>;
> +
> + frame@...a0000 {
> + frame-number = <0>;
> + interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
> + reg = <0x17ca0000 0x1000>,
> + <0x17cb0000 0x1000>;
> + };
> +
> + frame@...c0000 {
> + frame-number = <1>;
> + interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>;
> + reg = <0x17cc0000 0x1000>;
> + status = "disabled";
> + };
> +
> + frame@...d0000 {
> + frame-number = <2>;
> + interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
> + reg = <0x17cd0000 0x1000>;
> + status = "disabled";
> + };
> +
> + frame@...e0000 {
> + frame-number = <3>;
> + interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
> + reg = <0x17ce0000 0x1000>;
> + status = "disabled";
> + };
> +
> + frame@...f0000 {
> + frame-number = <4>;
> + interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
> + reg = <0x17cf0000 0x1000>;
> + status = "disabled";
> + };
> +
> + frame@...00000 {
> + frame-number = <5>;
> + interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
> + reg = <0x17d00000 0x1000>;
> + status = "disabled";
> + };
> +
> + frame@...10000 {
> + frame-number = <6>;
> + interrupts = <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>;
> + reg = <0x17d10000 0x1000>;
> + status = "disabled";
> + };
> + };
> +
> + spmi_bus: spmi@...0000 {
> + compatible = "qcom,spmi-pmic-arb";
> + reg = <0xc440000 0x1100>,
> + <0xc600000 0x2000000>,
> + <0xe600000 0x100000>,
> + <0xe700000 0xa0000>,
> + <0xc40a000 0x26000>;
> + reg-names = "core", "chnls", "obsrvr", "intr", "cnfg";
> + interrupt-names = "periph_irq";
> + interrupts = <GIC_SPI 481 IRQ_TYPE_NONE>;
Same here.
> + qcom,ee = <0>;
> + qcom,channel = <0>;
> + #address-cells = <2>;
> + #size-cells = <0>;
> + interrupt-controller;
> + #interrupt-cells = <4>;
> + cell-index = <0>;
> + };
> + };
> +};
Thanks,
M.
--
Without deviation from the norm, progress is not possible.
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