[PATCH] arm64: dts: cisco: add device tree for Cisco CrayAr Argos.
Rob Herring
robh+dt at kernel.org
Thu Mar 16 12:44:58 PDT 2023
On Tue, Mar 14, 2023 at 8:12 PM Daniel Walker <danielwa at cisco.com> wrote:
>
> From: Marcin Wierzbicki <mawierzb at cisco.com>
>
> This adds device tree include file for Cisco CrayAR SoC and
> device tree file for Cisco CrayAR Argos EVB board.
Run dtbs_check on your platform and fix all the errors. Some examples below...
>
> Cc: xe-linux-external at cisco.com
> Signed-off-by: Marcin Wierzbicki <mawierzb at cisco.com>
> Signed-off-by: Daniel Walker <danielwa at cisco.com>
> ---
> .../devicetree/bindings/arm/cisco/crayar.yaml | 27 ++
> MAINTAINERS | 5 +
> arch/arm64/Kconfig.platforms | 5 +
> arch/arm64/boot/dts/Makefile | 1 +
> arch/arm64/boot/dts/cisco/Makefile | 2 +
> arch/arm64/boot/dts/cisco/crayar.dtsi | 326 ++++++++++++++++++
> arch/arm64/boot/dts/cisco/crayar_argos.dts | 32 ++
> 7 files changed, 398 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/arm/cisco/crayar.yaml
> create mode 100644 arch/arm64/boot/dts/cisco/Makefile
> create mode 100644 arch/arm64/boot/dts/cisco/crayar.dtsi
> create mode 100644 arch/arm64/boot/dts/cisco/crayar_argos.dts
>
> diff --git a/Documentation/devicetree/bindings/arm/cisco/crayar.yaml b/Documentation/devicetree/bindings/arm/cisco/crayar.yaml
> new file mode 100644
> index 000000000000..3975ca4fd07a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/cisco/crayar.yaml
> @@ -0,0 +1,27 @@
> +# SPDX-License-Identifier: GPL-2.0
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/arm/cisco/crayar.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Cisco CrayAR based Platforms Device Tree Bindings
> +
> +maintainers:
> + - xe-linux-external at cisco.com
> +
> +description: |
> + Cisco CrayAR boards with CrayAR SOC
> +
> +properties:
> + $nodename:
> + const: '/'
> + compatible:
> + oneOf:
> + - description: Cisco CrayAR Argos evaluation board
> + items:
> + - const: cisco,crayar-argos
> + - const: cisco,crayar
> +
> +additionalProperties: true
> +
> +...
> diff --git a/MAINTAINERS b/MAINTAINERS
> index ec57c42ed544..f94d769c6f88 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -4793,6 +4793,11 @@ X: drivers/char/ipmi/
> X: drivers/char/random.c
> X: drivers/char/tpm/
>
> +CISCO ARM64 DEVICE TREE SUPPORT
> +M: xe-linux-external at cisco.com
> +S: Supported
> +F: arch/arm64/boot/dts/cisco/
> +
> CHECKPATCH
> M: Andy Whitcroft <apw at canonical.com>
> M: Joe Perches <joe at perches.com>
> diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms
> index 89a0b13b058d..740099c56382 100644
> --- a/arch/arm64/Kconfig.platforms
> +++ b/arch/arm64/Kconfig.platforms
> @@ -94,6 +94,11 @@ config ARCH_BITMAIN
> help
> This enables support for the Bitmain SoC Family.
>
> +config ARCH_CISCO_CRAYAR_ARGOS
> + bool "Cisco Argos Platform"
> + help
> + This enables support for the Cisco Argos Platform.
> +
> config ARCH_EXYNOS
> bool "Samsung Exynos SoC family"
> select COMMON_CLK_SAMSUNG
> diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile
> index 7b107fa7414b..3f83583f9996 100644
> --- a/arch/arm64/boot/dts/Makefile
> +++ b/arch/arm64/boot/dts/Makefile
> @@ -11,6 +11,7 @@ subdir-y += arm
> subdir-y += bitmain
> subdir-y += broadcom
> subdir-y += cavium
> +subdir-y += cisco
> subdir-y += exynos
> subdir-y += freescale
> subdir-y += hisilicon
> diff --git a/arch/arm64/boot/dts/cisco/Makefile b/arch/arm64/boot/dts/cisco/Makefile
> new file mode 100644
> index 000000000000..b1d4220df2f4
> --- /dev/null
> +++ b/arch/arm64/boot/dts/cisco/Makefile
> @@ -0,0 +1,2 @@
> +# SPDX-License-Identifier: GPL-2.0
> +dtb-$(CONFIG_ARCH_CISCO_CRAYAR_ARGOS) += crayar_argos.dtb
> diff --git a/arch/arm64/boot/dts/cisco/crayar.dtsi b/arch/arm64/boot/dts/cisco/crayar.dtsi
> new file mode 100644
> index 000000000000..22579406e65c
> --- /dev/null
> +++ b/arch/arm64/boot/dts/cisco/crayar.dtsi
> @@ -0,0 +1,326 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Device Tree Include file for Cisco CrayAR family SoC.
> + *
> + * Copyright (C) 2022 Cisco
> + */
> +
> +#include <dt-bindings/interrupt-controller/arm-gic.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
> +
> +/ {
> + compatible = "cisco,crayar";
> + interrupt-parent = <&gic>;
> + #address-cells = <0x2>;
> + #size-cells = <0x2>;
> +
> + base_clk: base-clk {
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + clock-frequency = <500000000>;
> + };
> +
> + cpus {
> + #address-cells = <0x1>;
Should be 2.
> + #size-cells = <0x0>;
> +
> + cpu0: cpu at 0 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a75", "arm,armv8";
"arm,armv8" is only for s/w emulators.
> + reg = <0x00000>;
> + enable-method = "spin-table";
> + cpu-release-addr = <0x0 0x7003FFF8>;
> + next-level-cache = <&l2_0>;
> + };
> +
> + cpu1: cpu at 100 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a75", "arm,armv8";
> + reg = <0x00100>;
> + enable-method = "spin-table";
> + cpu-release-addr = <0x0 0x7003FFF8>;
> + next-level-cache = <&l2_1>;
> + };
> +
> + cpu2: cpu at 200 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a75", "arm,armv8";
> + reg = <0x00200>;
> + enable-method = "spin-table";
> + cpu-release-addr = <0x0 0x7003FFF8>;
> + next-level-cache = <&l2_2>;
> + };
> +
> + cpu3: cpu at 300 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a75", "arm,armv8";
> + reg = <0x00300>;
> + enable-method = "spin-table";
> + cpu-release-addr = <0x0 0x7003FFF8>;
> + next-level-cache = <&l2_3>;
> + };
> +
> + cpu4: cpu at 10000 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a75", "arm,armv8";
> + reg = <0x10000>;
> + enable-method = "spin-table";
> + cpu-release-addr = <0x0 0x7003FFF8>;
> + next-level-cache = <&l2_4>;
> + };
> +
> + cpu5: cpu at 10100 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a75", "arm,armv8";
> + reg = <0x10100>;
> + enable-method = "spin-table";
> + cpu-release-addr = <0x0 0x7003FFF8>;
> + next-level-cache = <&l2_5>;
> + };
> +
> + cpu6: cpu at 10200 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a75", "arm,armv8";
> + reg = <0x10200>;
> + enable-method = "spin-table";
> + cpu-release-addr = <0x0 0x7003FFF8>;
> + next-level-cache = <&l2_6>;
> + };
> +
> + cpu7: cpu at 10300 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a75", "arm,armv8";
> + reg = <0x10300>;
> + enable-method = "spin-table";
> + cpu-release-addr = <0x0 0x7003FFF8>;
> + next-level-cache = <&l2_7>;
> + };
> +
> + cpu-map {
> + cluster0 {
> + core0 {
> + cpu = <&cpu0>;
> + };
> + core1 {
> + cpu = <&cpu1>;
> + };
> + core2 {
> + cpu = <&cpu2>;
> + };
> + core3 {
> + cpu = <&cpu3>;
> + };
> + };
> + cluster1 {
> + core0 {
> + cpu = <&cpu4>;
> + };
> + core1 {
> + cpu = <&cpu5>;
> + };
> + core2 {
> + cpu = <&cpu6>;
> + };
> + core3 {
> + cpu = <&cpu7>;
> + };
> + };
> + };
> +
> + l2_0: l2-cache0 {
> + compatible = "cache";
> + next-level-cache = <&l3_0>;
Missing properties.
> + };
> +
> + l2_1: l2-cache1 {
> + compatible = "cache";
> + next-level-cache = <&l3_0>;
> + };
> +
> + l2_2: l2-cache2 {
> + compatible = "cache";
> + next-level-cache = <&l3_0>;
> + };
> +
> + l2_3: l2-cache3 {
> + compatible = "cache";
> + next-level-cache = <&l3_0>;
> + };
> +
> + l2_4: l2-cache4 {
> + compatible = "cache";
> + next-level-cache = <&l3_1>;
> + };
> +
> + l2_5: l2-cache5 {
> + compatible = "cache";
> + next-level-cache = <&l3_1>;
> + };
> +
> + l2_6: l2-cache6 {
> + compatible = "cache";
> + next-level-cache = <&l3_1>;
> + };
> +
> + l2_7: l2-cache7 {
> + compatible = "cache";
> + next-level-cache = <&l3_1>;
> + };
> +
> + l3_0: l3-cache0 {
> + compatible = "cache";
> + };
> +
> + l3_1: l3-cache1 {
> + compatible = "cache";
> + };
> + };
> +
> + cci: cci at 2E000000 {
> + compatible = "arm,cci-550";
> + #address-cells = <0x1>;
> + #size-cells = <0x1>;
> + reg = <0x0 0x2E000000 0x0 0x1000>;
> + ranges = <0x0 0x0 0x2E000000 0x6000>;
> +
> + secondary-if at 1000 {
> + compatible = "arm,cci-550-ctrl-if";
> + interface-type = "ace-lite";
> + reg = <0x1000 0x1000>;
> + };
> +
> + secondary-if at 2000 {
> + compatible = "arm,cci-550-ctrl-if";
> + interface-type = "ace-lite";
> + reg = <0x2000 0x1000>;
> + };
> +
> + secondary-if at 3000 {
> + compatible = "arm,cci-550-ctrl-if";
> + interface-type = "ace-lite";
> + reg = <0x3000 0x1000>;
> + };
> +
> + secondary-if at 4000 {
> + compatible = "arm,cci-550-ctrl-if";
> + interface-type = "ace";
> + reg = <0x4000 0x1000>;
> + };
> +
> + secondary-if at 5000 {
> + compatible = "arm,cci-550-ctrl-if";
> + interface-type = "ace";
> + reg = <0x5000 0x1000>;
> + };
> +
> + secondary-if at 6000 {
> + compatible = "arm,cci-550-ctrl-if";
> + interface-type = "ace";
> + reg = <0x6000 0x1000>;
> + };
> +
> + secondary-if at 7000 {
> + compatible = "arm,cci-550-ctrl-if";
> + interface-type = "ace";
> + reg = <0x6000 0x1000>;
> + };
> +
> + pm-cntr at 10000 {
> + compatible = "arm,cci-550-pmu";
> + reg = <0x10000 0x10000>;
> + };
> +
> + pm-cntr at 20000 {
> + compatible = "arm,cci-550-pmu";
> + reg = <0x20000 0x10000>;
> + };
> +
> + pm-cntr at 30000 {
> + compatible = "arm,cci-550-pmu";
> + reg = <0x30000 0x10000>;
> + };
> +
> + pm-cntr at 40000 {
> + compatible = "arm,cci-550-pmu";
> + reg = <0x40000 0x10000>;
> + };
> +
> + pm-cntr at 50000 {
> + compatible = "arm,cci-550-pmu";
> + reg = <0x50000 0x10000>;
> + };
> +
> + pm-cntr at 60000 {
> + compatible = "arm,cci-550-pmu";
> + reg = <0x60000 0x10000>;
> + };
> +
> + pm-cntr at 70000 {
> + compatible = "arm,cci-550-pmu";
> + reg = <0x70000 0x10000>;
> + };
> +
> + pm-cntr at 80000 {
> + compatible = "arm,cci-550-pmu";
> + reg = <0x80000 0x10000>;
> + };
> + };
> +
> + timer: timer {
> + compatible = "arm,armv8-timer";
> + interrupt-parent = <&gic>;
> + interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_PPI 14 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_PPI 11 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_PPI 10 IRQ_TYPE_LEVEL_HIGH>;
> + };
> +
> + gic: interrupt-controller at 20000000 {
> + compatible = "arm,gic-v3";
> + #interrupt-cells = <3>;
> + #address-cells = <2>;
> + #size-cells = <2>;
> + ranges;
> + interrupt-controller;
> + reg = <0x0 0x20000000 0x0 0x10000>, /* GICD */
> + <0x0 0x20060000 0x0 0x100000>; /* GICR */
> +
> + interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
> +
> + its: its at 20040000 {
msi-controller at ...
> + compatible = "arm,gic-v3-its";
> + msi-controller;
> + mbi-ranges = <256 224>;
> + reg = <0x0 0x20040000 0x0 0x10000>;
> + };
> + };
> +
> + soc {
> + compatible = "simple-bus";
> + #address-cells = <0x2>;
> + #size-cells = <0x2>;
> + ranges = <0x0 0x0 0x0 0x0 0x100 0x0>;
> +
> + uart0: serial at 23f80000 {
> + compatible = "ns16550a";
> + reg = <0x0 0x23f80000 0x0 0x100>;
> + interrupts = <GIC_SPI 129 IRQ_TYPE_LEVEL_HIGH>;
> + reg-shift = <0x2>;
> + reg-io-width = <0x4>;
> + clocks = <&base_clk>;
> + current-speed = <9600>;
> + status = "disabled";
> + };
> +
> + uart1: serial at 23fc0000 {
> + compatible = "ns16550a";
> + reg = <0x0 0x23fc0000 0x0 0x100>;
> + interrupts = <GIC_SPI 130 IRQ_TYPE_LEVEL_HIGH>;
> + reg-shift = <0x2>;
> + reg-io-width = <0x4>;
> + clocks = <&base_clk>;
> + current-speed = <9600>;
> + status = "disabled";
> + };
> + };
> +};
> diff --git a/arch/arm64/boot/dts/cisco/crayar_argos.dts b/arch/arm64/boot/dts/cisco/crayar_argos.dts
> new file mode 100644
> index 000000000000..d415427c145f
> --- /dev/null
> +++ b/arch/arm64/boot/dts/cisco/crayar_argos.dts
> @@ -0,0 +1,32 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Device Tree file for Cisco CrayAR Argos EVB board.
> + *
> + * Copyright (C) 2022 Cisco
> + */
> +
> +/dts-v1/;
> +#include "crayar.dtsi"
> +
> +/ {
> + compatible = "cisco,crayar-argos", "cisco,crayar";
> + model = "Cisco CrayAr Argos EVB";
> + version = <0x00000001>;
> +
> + aliases {
> + serial0 = &uart0;
> + };
> +
> + chosen {
> + stdout-path = "serial0:9600n8";
> + };
> +
> + memory {
Needs unit-address.
> + device_type = "memory";
> + reg = <0x0 0x80000000 0x0 0x80000000>;
> + };
> +};
> +
> +&uart0 {
> + status = "okay";
> +};
> --
> 2.25.1
>
>
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