Re: [PATCH 5/6] arm64: dts: Add ipq6018 SoC and CP01 board support
From: Marc Zyngier <hidden>
Date: 2019-06-05 17:26:21
Also in:
linux-arm-msm, linux-clk, linux-devicetree, linux-gpio, lkml
On 05/06/2019 18:16, Sricharan R wrote:
quoted hunk ↗ jump to hunk
Add initial device tree support for the Qualcomm IPQ6018 SoC and CP01 evaluation board. Signed-off-by: Sricharan R <redacted> Signed-off-by: Abhishek Sahu <redacted> --- arch/arm64/boot/dts/qcom/Makefile | 1 + arch/arm64/boot/dts/qcom/ipq6018-cp01-c1.dts | 35 ++++ arch/arm64/boot/dts/qcom/ipq6018.dtsi | 231 +++++++++++++++++++++++++++ 3 files changed, 267 insertions(+) create mode 100644 arch/arm64/boot/dts/qcom/ipq6018-cp01-c1.dts create mode 100644 arch/arm64/boot/dts/qcom/ipq6018.dtsidiff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile index 21d548f..ac22dbb 100644 --- a/arch/arm64/boot/dts/qcom/Makefile +++ b/arch/arm64/boot/dts/qcom/Makefile@@ -2,6 +2,7 @@ dtb-$(CONFIG_ARCH_QCOM) += apq8016-sbc.dtb dtb-$(CONFIG_ARCH_QCOM) += apq8096-db820c.dtb dtb-$(CONFIG_ARCH_QCOM) += ipq8074-hk01.dtb +dtb-$(CONFIG_ARCH_QCOM) += ipq6018-cp01-c1.dtb dtb-$(CONFIG_ARCH_QCOM) += msm8916-mtp.dtb dtb-$(CONFIG_ARCH_QCOM) += msm8992-bullhead-rev-101.dtb dtb-$(CONFIG_ARCH_QCOM) += msm8994-angler-rev-101.dtbdiff --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..ac7cb22 --- /dev/null +++ b/arch/arm64/boot/dts/qcom/ipq6018-cp01-c1.dts@@ -0,0 +1,35 @@ +// 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" + +/ { + #address-cells = <0x2>; + #size-cells = <0x2>; + model = "Qualcomm Technologies, Inc. IPQ6018/AP-CP01-C1"; + compatible = "qcom,ipq6018-cp01", "qcom,ipq6018"; + interrupt-parent = <&intc>; +}; + +&tlmm { + uart_pins: uart_pins { + mux { + pins = "gpio44", "gpio45"; + function = "blsp2_uart"; + drive-strength = <8>; + bias-pull-down; + }; + }; +}; + +&blsp1_uart3 { + pinctrl-0 = <&uart_pins>; + pinctrl-names = "default"; + status = "ok"; +};diff --git a/arch/arm64/boot/dts/qcom/ipq6018.dtsi b/arch/arm64/boot/dts/qcom/ipq6018.dtsi new file mode 100644 index 0000000..79cccdd --- /dev/null +++ b/arch/arm64/boot/dts/qcom/ipq6018.dtsi@@ -0,0 +1,231 @@ +// 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> + +/ { + model = "Qualcomm Technologies, Inc. IPQ6018"; + compatible = "qcom,ipq6018"; + + chosen { + bootargs = "console=ttyMSM0,115200,n8 rw init=/init"; + bootargs-append = " swiotlb=1 clk_ignore_unused"; + }; + + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + tz:tz@48500000 { + no-map; + reg = <0x0 0x48500000 0x0 0x00200000>; + }; + }; + + soc: soc { + #address-cells = <0x1>; + #size-cells = <0x1>; + ranges = <0 0 0 0xffffffff>; + dma-ranges; + compatible = "simple-bus"; + + intc: interrupt-controller@b000000 { + compatible = "qcom,msm-qgic2"; + interrupt-controller; + #interrupt-cells = <0x3>; + reg = <0xb000000 0x1000>, <0xb002000 0x1000>;
Where are the rest of the GICv2 MMIO regions, such as GICV and GICH? And the maintenance interrupt?
+ };
+
+ 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)>;The fact that you expose the EL2 timer interrupt would tend to confirm the idea that this system supports virtualization... Hence my questions above. Thanks, M. -- Jazz is not dead. It just smells funny... _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel