| Message ID | 1576752109-24497-7-git-send-email-sricharan@codeaurora.org |
|---|---|
| State | New |
| Headers | show |
| Series | Add minimal boot support for IPQ6018 | expand |
On Thu 19 Dec 02:41 PST 2019, Sricharan R wrote: > Add initial device tree support for the Qualcomm IPQ6018 SoC and > CP01 evaluation board. > Hi Sricharan, thanks for the rework, this looks pretty good now, just some minor comments below. > Signed-off-by: Abhishek Sahu <absahu@codeaurora.org> > Signed-off-by: Sivaprakash Murugesan <sivaprak@codeaurora.org> > Signed-off-by: Sricharan R <sricharan@codeaurora.org> Should this have some Co-developed-by? > --- > > [V2] Sorted nodes based on address, name, label. > Removed unused clock nodes. > Addressed other review comments. > > arch/arm64/boot/dts/qcom/Makefile | 1 + > arch/arm64/boot/dts/qcom/ipq6018-cp01-c1.dts | 41 +++++ > arch/arm64/boot/dts/qcom/ipq6018.dtsi | 215 +++++++++++++++++++++++++++ > 3 files changed, 257 insertions(+) > create mode 100644 arch/arm64/boot/dts/qcom/ipq6018-cp01-c1.dts > create mode 100644 arch/arm64/boot/dts/qcom/ipq6018.dtsi > > diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile > index 6498a1e..2b24998 100644 > --- a/arch/arm64/boot/dts/qcom/Makefile > +++ b/arch/arm64/boot/dts/qcom/Makefile > @@ -1,6 +1,7 @@ > # SPDX-License-Identifier: GPL-2.0 > dtb-$(CONFIG_ARCH_QCOM) += apq8016-sbc.dtb > dtb-$(CONFIG_ARCH_QCOM) += apq8096-db820c.dtb > +dtb-$(CONFIG_ARCH_QCOM) += ipq6018-cp01-c1.dtb > dtb-$(CONFIG_ARCH_QCOM) += ipq8074-hk01.dtb > dtb-$(CONFIG_ARCH_QCOM) += msm8916-mtp.dtb > dtb-$(CONFIG_ARCH_QCOM) += msm8916-longcheer-l8150.dtb > diff --git a/arch/arm64/boot/dts/qcom/ipq6018-cp01-c1.dts b/arch/arm64/boot/dts/qcom/ipq6018-cp01-c1.dts > new file mode 100644 > index 0000000..82a6024 > --- /dev/null > +++ b/arch/arm64/boot/dts/qcom/ipq6018-cp01-c1.dts > @@ -0,0 +1,41 @@ > +// SPDX-License-Identifier: GPL-2.0 Please dual license as GPL+BSD > +/* > + * IPQ6018 CP01 board device tree source > + * > + * Copyright (c) 2019, The Linux Foundation. All rights reserved. > + */ > + > +/dts-v1/; > + > +#include "ipq6018.dtsi" > + > +/ { > + model = "Qualcomm Technologies, Inc. IPQ6018/AP-CP01-C1"; > + compatible = "qcom,ipq6018-cp01", "qcom,ipq6018"; > + > + aliases { > + serial0 = &blsp1_uart3; > + }; > + > + chosen { > + stdout-path = "serial0:115200n8"; > + bootargs-append = " swiotlb=1"; > + }; > +}; > + > +&blsp1_uart3 { > + pinctrl-0 = <&uart_pins>; > + pinctrl-names = "default"; > + status = "ok"; > +}; > + > +&tlmm { > + uart_pins: uart_pins { Reference the &uart_pins directly, and please use a more specific name. > + mux { I would suggest that you either flatten the "mux" subnode and define the properties directly in &uart_pins; or you split it the functional pieces of rx { } tx { }. And right now you're duplicating the properties between the dtsi and the dts, either drop one of them or define the function in the dtsi and add the drive-strenght and bias-pull-down here. > + pins = "gpio44", "gpio45"; > + function = "blsp2_uart"; > + drive-strength = <8>; > + bias-pull-down; > + }; > + }; > +}; > diff --git a/arch/arm64/boot/dts/qcom/ipq6018.dtsi b/arch/arm64/boot/dts/qcom/ipq6018.dtsi > new file mode 100644 > index 0000000..269287c > --- /dev/null > +++ b/arch/arm64/boot/dts/qcom/ipq6018.dtsi > @@ -0,0 +1,215 @@ > +// SPDX-License-Identifier: GPL-2.0 > +/* > + * IPQ6018 SoC device tree source > + * > + * Copyright (c) 2019, The Linux Foundation. All rights reserved. > + */ > + > +#include <dt-bindings/interrupt-controller/arm-gic.h> > +#include <dt-bindings/clock/qcom,gcc-ipq6018.h> > + > +/ { > + #address-cells = <2>; > + #size-cells = <2>; > + interrupt-parent = <&intc>; > + > + reserved-memory { > + #address-cells = <2>; > + #size-cells = <2>; > + ranges; > + > + tz: tz@48500000 { > + reg = <0x0 0x48500000 0x0 0x00200000>; > + no-map; > + }; > + }; > + > + soc: soc { soc@0 Shouldn't this be sorted after 'p'? Regards, Bjorn > + #address-cells = <1>; > + #size-cells = <1>; > + ranges = <0 0 0 0xffffffff>; > + dma-ranges; > + compatible = "simple-bus"; > + > + tlmm: pinctrl@1000000 { > + compatible = "qcom,ipq6018-pinctrl"; > + reg = <0x01000000 0x300000>; > + interrupts = <GIC_SPI 0xd0 IRQ_TYPE_LEVEL_HIGH>; > + gpio-controller; > + #gpio-cells = <2>; > + gpio-ranges = <&tlmm 0 80>; > + interrupt-controller; > + #interrupt-cells = <2>; > + > + uart_pins: uart_pins { > + pins = "gpio44", "gpio45"; > + function = "blsp2_uart"; > + drive-strength = <8>; > + bias-pull-down; > + }; > + }; > + > + gcc: gcc@1800000 { > + compatible = "qcom,gcc-ipq6018"; > + reg = <0x01800000 0x80000>; > + #clock-cells = <1>; > + #reset-cells = <1>; > + }; > + > + blsp1_uart3: serial@78b1000 { > + compatible = "qcom,msm-uartdm-v1.4", "qcom,msm-uartdm"; > + reg = <0x078b1000 0x200>; > + interrupts = <GIC_SPI 306 IRQ_TYPE_LEVEL_HIGH>; > + clocks = <&gcc GCC_BLSP1_UART3_APPS_CLK>, > + <&gcc GCC_BLSP1_AHB_CLK>; > + clock-names = "core", "iface"; > + status = "disabled"; > + }; > + > + intc: interrupt-controller@b000000 { > + compatible = "qcom,msm-qgic2"; > + interrupt-controller; > + #interrupt-cells = <0x3>; > + reg = <0x0b000000 0x1000>, /*GICD*/ > + <0x0b002000 0x1000>, /*GICC*/ > + <0x0b001000 0x1000>, /*GICH*/ > + <0x0b004000 0x1000>; /*GICV*/ > + interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>; > + }; > + > + timer { > + compatible = "arm,armv8-timer"; > + interrupts = <GIC_PPI 2 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>, > + <GIC_PPI 3 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>, > + <GIC_PPI 4 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>, > + <GIC_PPI 1 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>; > + }; > + > + timer@b120000 { > + #address-cells = <1>; > + #size-cells = <1>; > + ranges; > + compatible = "arm,armv7-timer-mem"; > + reg = <0x0b120000 0x1000>; > + clock-frequency = <19200000>; > + > + frame@b120000 { > + frame-number = <0>; > + interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>, > + <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>; > + reg = <0x0b121000 0x1000>, > + <0x0b122000 0x1000>; > + }; > + > + frame@b123000 { > + frame-number = <1>; > + interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>; > + reg = <0xb123000 0x1000>; > + status = "disabled"; > + }; > + > + frame@b124000 { > + frame-number = <2>; > + interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>; > + reg = <0x0b124000 0x1000>; > + status = "disabled"; > + }; > + > + frame@b125000 { > + frame-number = <3>; > + interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>; > + reg = <0x0b125000 0x1000>; > + status = "disabled"; > + }; > + > + frame@b126000 { > + frame-number = <4>; > + interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>; > + reg = <0x0b126000 0x1000>; > + status = "disabled"; > + }; > + > + frame@b127000 { > + frame-number = <5>; > + interrupts = <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>; > + reg = <0x0b127000 0x1000>; > + status = "disabled"; > + }; > + > + frame@b128000 { > + frame-number = <6>; > + interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>; > + reg = <0x0b128000 0x1000>; > + status = "disabled"; > + }; > + }; > + > + }; > + > + clocks { > + sleep_clk: sleep-clk { > + compatible = "fixed-clock"; > + clock-frequency = <32000>; > + #clock-cells = <0>; > + }; > + > + xo: xo { > + compatible = "fixed-clock"; > + clock-frequency = <24000000>; > + #clock-cells = <0>; > + }; > + }; > + > + cpus: cpus { > + #address-cells = <1>; > + #size-cells = <0>; > + > + CPU0: cpu@0 { > + device_type = "cpu"; > + compatible = "arm,cortex-a53"; > + reg = <0x0>; > + enable-method = "psci"; > + next-level-cache = <&L2_0>; > + }; > + > + CPU1: cpu@1 { > + device_type = "cpu"; > + compatible = "arm,cortex-a53"; > + enable-method = "psci"; > + reg = <0x1>; > + next-level-cache = <&L2_0>; > + }; > + > + CPU2: cpu@2 { > + device_type = "cpu"; > + compatible = "arm,cortex-a53"; > + enable-method = "psci"; > + reg = <0x2>; > + next-level-cache = <&L2_0>; > + }; > + > + CPU3: cpu@3 { > + device_type = "cpu"; > + compatible = "arm,cortex-a53"; > + enable-method = "psci"; > + reg = <0x3>; > + next-level-cache = <&L2_0>; > + }; > + > + L2_0: l2-cache { > + compatible = "cache"; > + cache-level = <0x2>; > + }; > + }; > + > + pmuv8: pmu { > + compatible = "arm,cortex-a53-pmu"; > + interrupts = <GIC_PPI 7 (GIC_CPU_MASK_SIMPLE(4) | > + IRQ_TYPE_LEVEL_HIGH)>; > + }; > + > + psci: psci { > + compatible = "arm,psci-1.0"; > + method = "smc"; > + }; > +}; > -- > 1.9.1
Hi Bjorn, Thanks again for the review. On 12/29/2019 8:59 AM, Bjorn Andersson wrote: > On Thu 19 Dec 02:41 PST 2019, Sricharan R wrote: > >> Add initial device tree support for the Qualcomm IPQ6018 SoC and >> CP01 evaluation board. >> > > Hi Sricharan, thanks for the rework, this looks pretty good now, just > some minor comments below. > >> Signed-off-by: Abhishek Sahu <absahu@codeaurora.org> >> Signed-off-by: Sivaprakash Murugesan <sivaprak@codeaurora.org> >> Signed-off-by: Sricharan R <sricharan@codeaurora.org> > > Should this have some Co-developed-by? > hmm, should be added here as well. will add it. >> --- >> >> [V2] Sorted nodes based on address, name, label. >> Removed unused clock nodes. >> Addressed other review comments. >> >> arch/arm64/boot/dts/qcom/Makefile | 1 + >> arch/arm64/boot/dts/qcom/ipq6018-cp01-c1.dts | 41 +++++ >> arch/arm64/boot/dts/qcom/ipq6018.dtsi | 215 +++++++++++++++++++++++++++ >> 3 files changed, 257 insertions(+) >> create mode 100644 arch/arm64/boot/dts/qcom/ipq6018-cp01-c1.dts >> create mode 100644 arch/arm64/boot/dts/qcom/ipq6018.dtsi >> >> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile >> index 6498a1e..2b24998 100644 >> --- a/arch/arm64/boot/dts/qcom/Makefile >> +++ b/arch/arm64/boot/dts/qcom/Makefile >> @@ -1,6 +1,7 @@ >> # SPDX-License-Identifier: GPL-2.0 >> dtb-$(CONFIG_ARCH_QCOM) += apq8016-sbc.dtb >> dtb-$(CONFIG_ARCH_QCOM) += apq8096-db820c.dtb >> +dtb-$(CONFIG_ARCH_QCOM) += ipq6018-cp01-c1.dtb >> dtb-$(CONFIG_ARCH_QCOM) += ipq8074-hk01.dtb >> dtb-$(CONFIG_ARCH_QCOM) += msm8916-mtp.dtb >> dtb-$(CONFIG_ARCH_QCOM) += msm8916-longcheer-l8150.dtb >> diff --git a/arch/arm64/boot/dts/qcom/ipq6018-cp01-c1.dts b/arch/arm64/boot/dts/qcom/ipq6018-cp01-c1.dts >> new file mode 100644 >> index 0000000..82a6024 >> --- /dev/null >> +++ b/arch/arm64/boot/dts/qcom/ipq6018-cp01-c1.dts >> @@ -0,0 +1,41 @@ >> +// SPDX-License-Identifier: GPL-2.0 > > Please dual license as GPL+BSD > ok. >> +/* >> + * IPQ6018 CP01 board device tree source >> + * >> + * Copyright (c) 2019, The Linux Foundation. All rights reserved. >> + */ >> + >> +/dts-v1/; >> + >> +#include "ipq6018.dtsi" >> + >> +/ { >> + model = "Qualcomm Technologies, Inc. IPQ6018/AP-CP01-C1"; >> + compatible = "qcom,ipq6018-cp01", "qcom,ipq6018"; >> + >> + aliases { >> + serial0 = &blsp1_uart3; >> + }; >> + >> + chosen { >> + stdout-path = "serial0:115200n8"; >> + bootargs-append = " swiotlb=1"; >> + }; >> +}; >> + >> +&blsp1_uart3 { >> + pinctrl-0 = <&uart_pins>; >> + pinctrl-names = "default"; >> + status = "ok"; >> +}; >> + >> +&tlmm { >> + uart_pins: uart_pins { > > Reference the &uart_pins directly, and please use a more specific name. > ok. >> + mux { > > I would suggest that you either flatten the "mux" subnode and define the > properties directly in &uart_pins; or you split it the functional pieces > of rx { } tx { }. ok. > > And right now you're duplicating the properties between the dtsi and the > dts, either drop one of them or define the function in the dtsi and add > the drive-strenght and bias-pull-down here. > ok, understand, will fix. >> + pins = "gpio44", "gpio45"; >> + function = "blsp2_uart"; >> + drive-strength = <8>; >> + bias-pull-down; >> + }; >> + }; >> +}; >> diff --git a/arch/arm64/boot/dts/qcom/ipq6018.dtsi b/arch/arm64/boot/dts/qcom/ipq6018.dtsi >> new file mode 100644 >> index 0000000..269287c >> --- /dev/null >> +++ b/arch/arm64/boot/dts/qcom/ipq6018.dtsi >> @@ -0,0 +1,215 @@ >> +// SPDX-License-Identifier: GPL-2.0 >> +/* >> + * IPQ6018 SoC device tree source >> + * >> + * Copyright (c) 2019, The Linux Foundation. All rights reserved. >> + */ >> + >> +#include <dt-bindings/interrupt-controller/arm-gic.h> >> +#include <dt-bindings/clock/qcom,gcc-ipq6018.h> >> + >> +/ { >> + #address-cells = <2>; >> + #size-cells = <2>; >> + interrupt-parent = <&intc>; >> + >> + reserved-memory { >> + #address-cells = <2>; >> + #size-cells = <2>; >> + ranges; >> + >> + tz: tz@48500000 { >> + reg = <0x0 0x48500000 0x0 0x00200000>; >> + no-map; >> + }; >> + }; >> + >> + soc: soc { > > soc@0 > > Shouldn't this be sorted after 'p'? > yes, will fix this as well. Regards, Sricharan
diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile index 6498a1e..2b24998 100644 --- a/arch/arm64/boot/dts/qcom/Makefile +++ b/arch/arm64/boot/dts/qcom/Makefile @@ -1,6 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 dtb-$(CONFIG_ARCH_QCOM) += apq8016-sbc.dtb dtb-$(CONFIG_ARCH_QCOM) += apq8096-db820c.dtb +dtb-$(CONFIG_ARCH_QCOM) += ipq6018-cp01-c1.dtb dtb-$(CONFIG_ARCH_QCOM) += ipq8074-hk01.dtb dtb-$(CONFIG_ARCH_QCOM) += msm8916-mtp.dtb dtb-$(CONFIG_ARCH_QCOM) += msm8916-longcheer-l8150.dtb diff --git a/arch/arm64/boot/dts/qcom/ipq6018-cp01-c1.dts b/arch/arm64/boot/dts/qcom/ipq6018-cp01-c1.dts new file mode 100644 index 0000000..82a6024 --- /dev/null +++ b/arch/arm64/boot/dts/qcom/ipq6018-cp01-c1.dts @@ -0,0 +1,41 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * IPQ6018 CP01 board device tree source + * + * Copyright (c) 2019, The Linux Foundation. All rights reserved. + */ + +/dts-v1/; + +#include "ipq6018.dtsi" + +/ { + model = "Qualcomm Technologies, Inc. IPQ6018/AP-CP01-C1"; + compatible = "qcom,ipq6018-cp01", "qcom,ipq6018"; + + aliases { + serial0 = &blsp1_uart3; + }; + + chosen { + stdout-path = "serial0:115200n8"; + bootargs-append = " swiotlb=1"; + }; +}; + +&blsp1_uart3 { + pinctrl-0 = <&uart_pins>; + pinctrl-names = "default"; + status = "ok"; +}; + +&tlmm { + uart_pins: uart_pins { + mux { + pins = "gpio44", "gpio45"; + function = "blsp2_uart"; + drive-strength = <8>; + bias-pull-down; + }; + }; +}; diff --git a/arch/arm64/boot/dts/qcom/ipq6018.dtsi b/arch/arm64/boot/dts/qcom/ipq6018.dtsi new file mode 100644 index 0000000..269287c --- /dev/null +++ b/arch/arm64/boot/dts/qcom/ipq6018.dtsi @@ -0,0 +1,215 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * IPQ6018 SoC device tree source + * + * Copyright (c) 2019, The Linux Foundation. All rights reserved. + */ + +#include <dt-bindings/interrupt-controller/arm-gic.h> +#include <dt-bindings/clock/qcom,gcc-ipq6018.h> + +/ { + #address-cells = <2>; + #size-cells = <2>; + interrupt-parent = <&intc>; + + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + tz: tz@48500000 { + reg = <0x0 0x48500000 0x0 0x00200000>; + no-map; + }; + }; + + soc: soc { + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0 0 0xffffffff>; + dma-ranges; + compatible = "simple-bus"; + + tlmm: pinctrl@1000000 { + compatible = "qcom,ipq6018-pinctrl"; + reg = <0x01000000 0x300000>; + interrupts = <GIC_SPI 0xd0 IRQ_TYPE_LEVEL_HIGH>; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&tlmm 0 80>; + interrupt-controller; + #interrupt-cells = <2>; + + uart_pins: uart_pins { + pins = "gpio44", "gpio45"; + function = "blsp2_uart"; + drive-strength = <8>; + bias-pull-down; + }; + }; + + gcc: gcc@1800000 { + compatible = "qcom,gcc-ipq6018"; + reg = <0x01800000 0x80000>; + #clock-cells = <1>; + #reset-cells = <1>; + }; + + blsp1_uart3: serial@78b1000 { + compatible = "qcom,msm-uartdm-v1.4", "qcom,msm-uartdm"; + reg = <0x078b1000 0x200>; + interrupts = <GIC_SPI 306 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&gcc GCC_BLSP1_UART3_APPS_CLK>, + <&gcc GCC_BLSP1_AHB_CLK>; + clock-names = "core", "iface"; + status = "disabled"; + }; + + intc: interrupt-controller@b000000 { + compatible = "qcom,msm-qgic2"; + interrupt-controller; + #interrupt-cells = <0x3>; + reg = <0x0b000000 0x1000>, /*GICD*/ + <0x0b002000 0x1000>, /*GICC*/ + <0x0b001000 0x1000>, /*GICH*/ + <0x0b004000 0x1000>; /*GICV*/ + interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>; + }; + + timer { + compatible = "arm,armv8-timer"; + interrupts = <GIC_PPI 2 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>, + <GIC_PPI 3 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>, + <GIC_PPI 4 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>, + <GIC_PPI 1 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>; + }; + + timer@b120000 { + #address-cells = <1>; + #size-cells = <1>; + ranges; + compatible = "arm,armv7-timer-mem"; + reg = <0x0b120000 0x1000>; + clock-frequency = <19200000>; + + frame@b120000 { + frame-number = <0>; + interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>; + reg = <0x0b121000 0x1000>, + <0x0b122000 0x1000>; + }; + + frame@b123000 { + frame-number = <1>; + interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>; + reg = <0xb123000 0x1000>; + status = "disabled"; + }; + + frame@b124000 { + frame-number = <2>; + interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>; + reg = <0x0b124000 0x1000>; + status = "disabled"; + }; + + frame@b125000 { + frame-number = <3>; + interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>; + reg = <0x0b125000 0x1000>; + status = "disabled"; + }; + + frame@b126000 { + frame-number = <4>; + interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>; + reg = <0x0b126000 0x1000>; + status = "disabled"; + }; + + frame@b127000 { + frame-number = <5>; + interrupts = <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>; + reg = <0x0b127000 0x1000>; + status = "disabled"; + }; + + frame@b128000 { + frame-number = <6>; + interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>; + reg = <0x0b128000 0x1000>; + status = "disabled"; + }; + }; + + }; + + clocks { + sleep_clk: sleep-clk { + compatible = "fixed-clock"; + clock-frequency = <32000>; + #clock-cells = <0>; + }; + + xo: xo { + compatible = "fixed-clock"; + clock-frequency = <24000000>; + #clock-cells = <0>; + }; + }; + + cpus: cpus { + #address-cells = <1>; + #size-cells = <0>; + + CPU0: cpu@0 { + device_type = "cpu"; + compatible = "arm,cortex-a53"; + reg = <0x0>; + enable-method = "psci"; + next-level-cache = <&L2_0>; + }; + + CPU1: cpu@1 { + device_type = "cpu"; + compatible = "arm,cortex-a53"; + enable-method = "psci"; + reg = <0x1>; + next-level-cache = <&L2_0>; + }; + + CPU2: cpu@2 { + device_type = "cpu"; + compatible = "arm,cortex-a53"; + enable-method = "psci"; + reg = <0x2>; + next-level-cache = <&L2_0>; + }; + + CPU3: cpu@3 { + device_type = "cpu"; + compatible = "arm,cortex-a53"; + enable-method = "psci"; + reg = <0x3>; + next-level-cache = <&L2_0>; + }; + + L2_0: l2-cache { + compatible = "cache"; + cache-level = <0x2>; + }; + }; + + pmuv8: pmu { + compatible = "arm,cortex-a53-pmu"; + interrupts = <GIC_PPI 7 (GIC_CPU_MASK_SIMPLE(4) | + IRQ_TYPE_LEVEL_HIGH)>; + }; + + psci: psci { + compatible = "arm,psci-1.0"; + method = "smc"; + }; +};