diff --git a/Documentation/devicetree/bindings/arm/intel,keembay.yaml b/Documentation/devicetree/bindings/arm/intel,keembay.yaml new file mode 100644 index 000000000000..4d925785f504 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/intel,keembay.yaml @@ -0,0 +1,19 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/arm/intel,keembay.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Keem Bay platform device tree bindings + +maintainers: + - Paul J. Murphy + - Daniele Alessandrelli + +properties: + compatible: + items: + - enum: + - intel,keembay-evm + - const: intel,keembay +... diff --git a/Documentation/devicetree/bindings/arm/microchip,sparx5.yaml b/Documentation/devicetree/bindings/arm/microchip,sparx5.yaml new file mode 100644 index 000000000000..ecf6fa12e6ad --- /dev/null +++ b/Documentation/devicetree/bindings/arm/microchip,sparx5.yaml @@ -0,0 +1,65 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/arm/microchip,sparx5.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Microchip Sparx5 Boards Device Tree Bindings + +maintainers: + - Lars Povlsen + +description: |+ + The Microchip Sparx5 SoC is a ARMv8-based used in a family of + gigabit TSN-capable gigabit switches. + + The SparX-5 Ethernet switch family provides a rich set of switching + features such as advanced TCAM-based VLAN and QoS processing + enabling delivery of differentiated services, and security through + TCAM-based frame processing using versatile content aware processor + (VCAP) + +properties: + $nodename: + const: '/' + compatible: + oneOf: + - description: The Sparx5 pcb125 board is a modular board, + which has both spi-nor and eMMC storage. The modular design + allows for connection of different network ports. + items: + - const: microchip,sparx5-pcb125 + - const: microchip,sparx5 + + - description: The Sparx5 pcb134 is a pizzabox form factor + gigabit switch with 20 SFP ports. It features spi-nor and + either spi-nand or eMMC storage (mount option). + items: + - const: microchip,sparx5-pcb134 + - const: microchip,sparx5 + + - description: The Sparx5 pcb135 is a pizzabox form factor + gigabit switch with 48+4 Cu ports. It features spi-nor and + either spi-nand or eMMC storage (mount option). + items: + - const: microchip,sparx5-pcb135 + - const: microchip,sparx5 + + axi@600000000: + type: object + description: the root node in the Sparx5 platforms must contain + an axi bus child node. They are always at physical address + 0x600000000 in all the Sparx5 variants. + properties: + compatible: + items: + - const: simple-bus + + required: + - compatible + +required: + - compatible + - axi@600000000 + +... diff --git a/Documentation/devicetree/bindings/arm/mstar/mstar,l3bridge.yaml b/Documentation/devicetree/bindings/arm/mstar/mstar,l3bridge.yaml new file mode 100644 index 000000000000..6816bd68f9cf --- /dev/null +++ b/Documentation/devicetree/bindings/arm/mstar/mstar,l3bridge.yaml @@ -0,0 +1,44 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright 2020 thingy.jp. +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/arm/mstar/mstar,l3bridge.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: MStar/SigmaStar Armv7 SoC l3bridge + +maintainers: + - Daniel Palmer + +description: | + MStar/SigmaStar's Armv7 SoCs have a pipeline in the interface + between the CPU and memory. This means that before DMA capable + devices are allowed to run the pipeline must be flushed to ensure + everything is in memory. + + The l3bridge region contains registers that allow such a flush + to be triggered. + + This node is used by the platform code to find where the registers + are and install a barrier that triggers the required pipeline flush. + +properties: + compatible: + items: + - const: mstar,l3bridge + + reg: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + l3bridge: l3bridge@1f204400 { + compatible = "mstar,l3bridge"; + reg = <0x1f204400 0x200>; + }; diff --git a/Documentation/devicetree/bindings/arm/mstar/mstar.yaml b/Documentation/devicetree/bindings/arm/mstar/mstar.yaml new file mode 100644 index 000000000000..c2f980b00b06 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/mstar/mstar.yaml @@ -0,0 +1,33 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/arm/mstar/mstar.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MStar platforms device tree bindings + +maintainers: + - Daniel Palmer + +properties: + $nodename: + const: '/' + compatible: + oneOf: + - description: infinity boards + items: + - enum: + - thingyjp,breadbee-crust # thingy.jp BreadBee Crust + - const: mstar,infinity + + - description: infinity3 boards + items: + - enum: + - thingyjp,breadbee # thingy.jp BreadBee + - const: mstar,infinity3 + + - description: mercury5 boards + items: + - enum: + - 70mai,midrived08 # 70mai midrive d08 + - const: mstar,mercury5 diff --git a/Documentation/devicetree/bindings/clock/microchip,sparx5-dpll.yaml b/Documentation/devicetree/bindings/clock/microchip,sparx5-dpll.yaml new file mode 100644 index 000000000000..39559a0a598a --- /dev/null +++ b/Documentation/devicetree/bindings/clock/microchip,sparx5-dpll.yaml @@ -0,0 +1,52 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/microchip,sparx5-dpll.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Microchip Sparx5 DPLL Clock + +maintainers: + - Lars Povlsen + +description: | + The Sparx5 DPLL clock controller generates and supplies clock to + various peripherals within the SoC. + +properties: + compatible: + const: microchip,sparx5-dpll + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + '#clock-cells': + const: 1 + +required: + - compatible + - reg + - clocks + - '#clock-cells' + +additionalProperties: false + +examples: + # Clock provider for eMMC: + - | + lcpll_clk: lcpll-clk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <2500000000>; + }; + clks: clock-controller@61110000c { + compatible = "microchip,sparx5-dpll"; + #clock-cells = <1>; + clocks = <&lcpll_clk>; + reg = <0x1110000c 0x24>; + }; + +... diff --git a/Documentation/devicetree/bindings/mfd/syscon.yaml b/Documentation/devicetree/bindings/mfd/syscon.yaml index 19bdaf781853..614e58bb5d7d 100644 --- a/Documentation/devicetree/bindings/mfd/syscon.yaml +++ b/Documentation/devicetree/bindings/mfd/syscon.yaml @@ -38,6 +38,8 @@ properties: - allwinner,sun8i-h3-system-controller - allwinner,sun8i-v3s-system-controller - allwinner,sun50i-a64-system-controller + - microchip,sparx5-cpu-syscon + - mstar,msc313-pmsleep - const: syscon diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml index 9f7af78d6864..60add08259e9 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml @@ -23,6 +23,8 @@ patternProperties: "^(simple-audio-card|simple-graph-card|st-plgpio|st-spics|ts),.*": true # Keep list in alphabetical order. + "^70mai,.*": + description: 70mai Co., Ltd. "^abilis,.*": description: Abilis Systems "^abracon,.*": @@ -682,6 +684,8 @@ patternProperties: description: Microsemi Corporation "^msi,.*": description: Micro-Star International Co. Ltd. + "^mstar,.*": + description: MStar Semiconductor, Inc. (acquired by MediaTek Inc.) "^mti,.*": description: Imagination Technologies Ltd. (formerly MIPS Technologies Inc.) "^multi-inno,.*": @@ -986,6 +990,8 @@ patternProperties: description: Spreadtrum Communications Inc. "^sst,.*": description: Silicon Storage Technology, Inc. + "^sstar,.*": + description: Xiamen Xingchen(SigmaStar) Technology Co., Ltd. (formerly part of MStar Semiconductor, Inc.) "^st,.*": description: STMicroelectronics "^starry,.*": @@ -1034,6 +1040,8 @@ patternProperties: description: Three Five Corp "^thine,.*": description: THine Electronics, Inc. + "^thingyjp,.*": + description: thingy.jp "^ti,.*": description: Texas Instruments "^tianma,.*": diff --git a/MAINTAINERS b/MAINTAINERS index 4ef80ba25c66..54885f54dfc0 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1966,6 +1966,14 @@ F: drivers/irqchip/irq-ixp4xx.c F: include/linux/irqchip/irq-ixp4xx.h F: include/linux/platform_data/timer-ixp4xx.h +ARM/INTEL KEEMBAY ARCHITECTURE +M: Paul J. Murphy +M: Daniele Alessandrelli +S: Maintained +F: Documentation/devicetree/bindings/arm/intel,keembay.yaml +F: arch/arm64/boot/dts/intel/keembay-evm.dts +F: arch/arm64/boot/dts/intel/keembay-soc.dtsi + ARM/INTEL RESEARCH IMOTE/STARGATE 2 MACHINE SUPPORT M: Jonathan Cameron L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) @@ -2123,12 +2131,32 @@ X: drivers/net/wireless/atmel/ N: at91 N: atmel +ARM/Microchip Sparx5 SoC support +M: Lars Povlsen +M: Steen Hegelund +M: Microchip Linux Driver Support +L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) +S: Supported +F: arch/arm64/boot/dts/microchip/ +N: sparx5 + ARM/MIOA701 MACHINE SUPPORT M: Robert Jarzmik L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained F: arch/arm/mach-pxa/mioa701.c +ARM/MStar/Sigmastar Armv7 SoC support +M: Daniel Palmer +L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) +S: Maintained +W: http://linux-chenxing.org/ +F: Documentation/devicetree/bindings/arm/mstar/* +F: arch/arm/boot/dts/infinity*.dtsi +F: arch/arm/boot/dts/mercury*.dtsi +F: arch/arm/boot/dts/mstar-v7.dtsi +F: arch/arm/mach-mstar/ + ARM/NEC MOBILEPRO 900/c MACHINE SUPPORT M: Michael Petchkovsky S: Maintained diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 2ac74904a3ce..d54c413ad937 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -668,6 +668,8 @@ source "arch/arm/mach-mmp/Kconfig" source "arch/arm/mach-moxart/Kconfig" +source "arch/arm/mach-mstar/Kconfig" + source "arch/arm/mach-mv78xx0/Kconfig" source "arch/arm/mach-mvebu/Kconfig" diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 59fde2d598d8..e7f4ca060c0f 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -197,6 +197,7 @@ machine-$(CONFIG_ARCH_MXC) += imx machine-$(CONFIG_ARCH_MEDIATEK) += mediatek machine-$(CONFIG_ARCH_MILBEAUT) += milbeaut machine-$(CONFIG_ARCH_MXS) += mxs +machine-$(CONFIG_ARCH_MSTARV7) += mstar machine-$(CONFIG_ARCH_NOMADIK) += nomadik machine-$(CONFIG_ARCH_NPCM) += npcm machine-$(CONFIG_ARCH_NSPIRE) += nspire diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 8fa6b4be3c5c..4572db3fa5ae 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -1355,6 +1355,10 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += \ mt8127-moose.dtb \ mt8135-evbp1.dtb dtb-$(CONFIG_ARCH_MILBEAUT) += milbeaut-m10v-evb.dtb +dtb-$(CONFIG_ARCH_MSTARV7) += \ + infinity-msc313-breadbee_crust.dtb \ + infinity3-msc313e-breadbee.dtb \ + mercury5-ssc8336n-midrived08.dtb dtb-$(CONFIG_ARCH_ZX) += zx296702-ad1.dtb dtb-$(CONFIG_ARCH_ASPEED) += \ aspeed-ast2500-evb.dtb \ diff --git a/arch/arm/boot/dts/infinity-msc313-breadbee_crust.dts b/arch/arm/boot/dts/infinity-msc313-breadbee_crust.dts new file mode 100644 index 000000000000..f24c5580d3e4 --- /dev/null +++ b/arch/arm/boot/dts/infinity-msc313-breadbee_crust.dts @@ -0,0 +1,25 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2019 thingy.jp. + * Author: Daniel Palmer + */ + +/dts-v1/; +#include "infinity-msc313.dtsi" + +/ { + model = "BreadBee Crust"; + compatible = "thingyjp,breadbee-crust", "mstar,infinity"; + + aliases { + serial0 = &pm_uart; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; +}; + +&pm_uart { + status = "okay"; +}; diff --git a/arch/arm/boot/dts/infinity-msc313.dtsi b/arch/arm/boot/dts/infinity-msc313.dtsi new file mode 100644 index 000000000000..42f2b5552c77 --- /dev/null +++ b/arch/arm/boot/dts/infinity-msc313.dtsi @@ -0,0 +1,14 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (c) 2020 thingy.jp. + * Author: Daniel Palmer + */ + +#include "infinity.dtsi" + +/ { + memory@20000000 { + device_type = "memory"; + reg = <0x20000000 0x4000000>; + }; +}; diff --git a/arch/arm/boot/dts/infinity.dtsi b/arch/arm/boot/dts/infinity.dtsi new file mode 100644 index 000000000000..cd911adef014 --- /dev/null +++ b/arch/arm/boot/dts/infinity.dtsi @@ -0,0 +1,11 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (c) 2020 thingy.jp. + * Author: Daniel Palmer + */ + +#include "mstar-v7.dtsi" + +&imi { + reg = <0xa0000000 0x16000>; +}; diff --git a/arch/arm/boot/dts/infinity3-msc313e-breadbee.dts b/arch/arm/boot/dts/infinity3-msc313e-breadbee.dts new file mode 100644 index 000000000000..1f93401c8530 --- /dev/null +++ b/arch/arm/boot/dts/infinity3-msc313e-breadbee.dts @@ -0,0 +1,25 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2019 thingy.jp. + * Author: Daniel Palmer + */ + +/dts-v1/; +#include "infinity3-msc313e.dtsi" + +/ { + model = "BreadBee"; + compatible = "thingyjp,breadbee", "mstar,infinity3"; + + aliases { + serial0 = &pm_uart; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; +}; + +&pm_uart { + status = "okay"; +}; diff --git a/arch/arm/boot/dts/infinity3-msc313e.dtsi b/arch/arm/boot/dts/infinity3-msc313e.dtsi new file mode 100644 index 000000000000..4e7239afd823 --- /dev/null +++ b/arch/arm/boot/dts/infinity3-msc313e.dtsi @@ -0,0 +1,14 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (c) 2020 thingy.jp. + * Author: Daniel Palmer + */ + +#include "infinity3.dtsi" + +/ { + memory@20000000 { + device_type = "memory"; + reg = <0x20000000 0x4000000>; + }; +}; diff --git a/arch/arm/boot/dts/infinity3.dtsi b/arch/arm/boot/dts/infinity3.dtsi new file mode 100644 index 000000000000..9b918c802654 --- /dev/null +++ b/arch/arm/boot/dts/infinity3.dtsi @@ -0,0 +1,11 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (c) 2020 thingy.jp. + * Author: Daniel Palmer + */ + +#include "infinity.dtsi" + +&imi { + reg = <0xa0000000 0x20000>; +}; diff --git a/arch/arm/boot/dts/mercury5-ssc8336n-midrived08.dts b/arch/arm/boot/dts/mercury5-ssc8336n-midrived08.dts new file mode 100644 index 000000000000..f24bd8cb8e60 --- /dev/null +++ b/arch/arm/boot/dts/mercury5-ssc8336n-midrived08.dts @@ -0,0 +1,25 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (c) 2020 thingy.jp. + * Author: Daniel Palmer + */ + +/dts-v1/; +#include "mercury5-ssc8336n.dtsi" + +/ { + model = "70mai Midrive D08"; + compatible = "70mai,midrived08", "mstar,mercury5"; + + aliases { + serial0 = &pm_uart; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; +}; + +&pm_uart { + status = "okay"; +}; diff --git a/arch/arm/boot/dts/mercury5-ssc8336n.dtsi b/arch/arm/boot/dts/mercury5-ssc8336n.dtsi new file mode 100644 index 000000000000..7d4a4630c25c --- /dev/null +++ b/arch/arm/boot/dts/mercury5-ssc8336n.dtsi @@ -0,0 +1,14 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (c) 2020 thingy.jp. + * Author: Daniel Palmer + */ + +#include "mercury5.dtsi" + +/ { + memory@20000000 { + device_type = "memory"; + reg = <0x20000000 0x4000000>; + }; +}; diff --git a/arch/arm/boot/dts/mercury5.dtsi b/arch/arm/boot/dts/mercury5.dtsi new file mode 100644 index 000000000000..a7d0dd9d6132 --- /dev/null +++ b/arch/arm/boot/dts/mercury5.dtsi @@ -0,0 +1,11 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (c) 2020 thingy.jp. + * Author: Daniel Palmer + */ + +#include "mstar-v7.dtsi" + +&imi { + reg = <0xa0000000 0x20000>; +}; diff --git a/arch/arm/boot/dts/mstar-v7.dtsi b/arch/arm/boot/dts/mstar-v7.dtsi new file mode 100644 index 000000000000..3b7b9b793736 --- /dev/null +++ b/arch/arm/boot/dts/mstar-v7.dtsi @@ -0,0 +1,107 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (c) 2020 thingy.jp. + * Author: Daniel Palmer + */ + +#include +#include + +/ { + #address-cells = <1>; + #size-cells = <1>; + interrupt-parent = <&gic>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu0: cpu@0 { + device_type = "cpu"; + compatible = "arm,cortex-a7"; + reg = <0x0>; + }; + }; + + arch_timer { + compatible = "arm,armv7-timer"; + interrupts = , + , + , + ; + /* + * we shouldn't need this but the vendor + * u-boot is broken + */ + clock-frequency = <6000000>; + }; + + pmu: pmu { + compatible = "arm,cortex-a7-pmu"; + interrupts = ; + interrupt-affinity = <&cpu0>; + }; + + soc: soc { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x16001000 0x16001000 0x00007000>, + <0x1f000000 0x1f000000 0x00400000>, + <0xa0000000 0xa0000000 0x20000>; + + gic: interrupt-controller@16001000 { + compatible = "arm,cortex-a7-gic"; + reg = <0x16001000 0x1000>, + <0x16002000 0x2000>, + <0x16004000 0x2000>, + <0x16006000 0x2000>; + #interrupt-cells = <3>; + interrupt-controller; + interrupts = ; + }; + + riu: bus@1f000000 { + compatible = "simple-bus"; + reg = <0x1f000000 0x00400000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x1f000000 0x00400000>; + + pmsleep: syscon@1c00 { + compatible = "mstar,msc313-pmsleep", "syscon"; + reg = <0x1c00 0x100>; + }; + + reboot { + compatible = "syscon-reboot"; + regmap = <&pmsleep>; + offset = <0xb8>; + mask = <0x79>; + }; + + l3bridge: l3bridge@204400 { + compatible = "mstar,l3bridge"; + reg = <0x204400 0x200>; + }; + + pm_uart: uart@221000 { + compatible = "ns16550a"; + reg = <0x221000 0x100>; + reg-shift = <3>; + clock-frequency = <172000000>; + status = "disabled"; + }; + }; + + imi: sram@a0000000 { + compatible = "mmio-sram"; + reg = <0xa0000000 0x10000>; + }; + }; +}; diff --git a/arch/arm/mach-mstar/Kconfig b/arch/arm/mach-mstar/Kconfig new file mode 100644 index 000000000000..52744fe32368 --- /dev/null +++ b/arch/arm/mach-mstar/Kconfig @@ -0,0 +1,26 @@ +menuconfig ARCH_MSTARV7 + bool "MStar/Sigmastar Armv7 SoC Support" + depends on ARCH_MULTI_V7 + select ARM_GIC + select ARM_HEAVY_MB + help + Support for newer MStar/Sigmastar SoC families that are + based on Armv7 cores like the Cortex A7 and share the same + basic hardware like the infinity and mercury series. + +if ARCH_MSTARV7 + +config MACH_INFINITY + bool "MStar/Sigmastar infinity SoC support" + default ARCH_MSTARV7 + help + Support for MStar/Sigmastar infinity IP camera SoCs. + +config MACH_MERCURY + bool "MStar/Sigmastar mercury SoC support" + default ARCH_MSTARV7 + help + Support for MStar/Sigmastar mercury dash camera SoCs. + Note that older Mercury2 SoCs are ARM9 based and not supported. + +endif diff --git a/arch/arm/mach-mstar/Makefile b/arch/arm/mach-mstar/Makefile new file mode 100644 index 000000000000..93b0391ede7e --- /dev/null +++ b/arch/arm/mach-mstar/Makefile @@ -0,0 +1 @@ +obj-$(CONFIG_ARCH_MSTARV7) += mstarv7.o diff --git a/arch/arm/mach-mstar/mstarv7.c b/arch/arm/mach-mstar/mstarv7.c new file mode 100644 index 000000000000..81a4cbcab206 --- /dev/null +++ b/arch/arm/mach-mstar/mstarv7.c @@ -0,0 +1,80 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Device Tree support for MStar/Sigmastar Armv7 SoCs + * + * Copyright (c) 2020 thingy.jp + * Author: Daniel Palmer + */ + +#include +#include +#include +#include +#include +#include + +/* + * In the u-boot code the area these registers are in is + * called "L3 bridge" and there are register descriptions + * for something in the same area called "AXI". + * + * It's not exactly known what this is but the vendor code + * for both u-boot and linux share calls to "flush the miu pipe". + * This seems to be to force pending CPU writes to memory so that + * the state is right before DMA capable devices try to read + * descriptors and data the CPU has prepared. Without doing this + * ethernet doesn't work reliably for example. + */ + +#define MSTARV7_L3BRIDGE_FLUSH 0x14 +#define MSTARV7_L3BRIDGE_STATUS 0x40 +#define MSTARV7_L3BRIDGE_FLUSH_TRIGGER BIT(0) +#define MSTARV7_L3BRIDGE_STATUS_DONE BIT(12) + +static void __iomem *l3bridge; + +static const char * const mstarv7_board_dt_compat[] __initconst = { + "mstar,infinity", + "mstar,infinity3", + "mstar,mercury5", + NULL, +}; + +/* + * This may need locking to deal with situations where an interrupt + * happens while we are in here and mb() gets called by the interrupt handler. + * + * The vendor code did have a spin lock but it doesn't seem to be needed and + * removing it hasn't caused any side effects so far. + * + * [writel|readl]_relaxed have to be used here because otherwise + * we'd end up right back in here. + */ +static void mstarv7_mb(void) +{ + /* toggle the flush miu pipe fire bit */ + writel_relaxed(0, l3bridge + MSTARV7_L3BRIDGE_FLUSH); + writel_relaxed(MSTARV7_L3BRIDGE_FLUSH_TRIGGER, l3bridge + + MSTARV7_L3BRIDGE_FLUSH); + while (!(readl_relaxed(l3bridge + MSTARV7_L3BRIDGE_STATUS) + & MSTARV7_L3BRIDGE_STATUS_DONE)) { + /* wait for flush to complete */ + } +} + +static void __init mstarv7_init(void) +{ + struct device_node *np; + + np = of_find_compatible_node(NULL, NULL, "mstar,l3bridge"); + l3bridge = of_iomap(np, 0); + if (l3bridge) + soc_mb = mstarv7_mb; + else + pr_warn("Failed to install memory barrier, DMA will be broken!\n"); +} + +DT_MACHINE_START(MSTARV7_DT, "MStar/Sigmastar Armv7 (Device Tree)") + .dt_compat = mstarv7_board_dt_compat, + .init_machine = mstarv7_init, +MACHINE_END diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms index 1d3710e3626a..cd58f8495c45 100644 --- a/arch/arm64/Kconfig.platforms +++ b/arch/arm64/Kconfig.platforms @@ -89,6 +89,20 @@ config ARCH_EXYNOS help This enables support for ARMv8 based Samsung Exynos SoC family. +config ARCH_SPARX5 + bool "ARMv8 based Microchip Sparx5 SoC family" + select PINCTRL + select DW_APB_TIMER_OF + help + This enables support for the Microchip Sparx5 ARMv8-based + SoC family of TSN-capable gigabit switches. + + The SparX-5 Ethernet switch family provides a rich set of + switching features such as advanced TCAM-based VLAN and QoS + processing enabling delivery of differentiated services, and + security through TCAM-based frame processing using versatile + content aware processor (VCAP). + config ARCH_K3 bool "Texas Instruments Inc. K3 multicore SoC architecture" select PM_GENERIC_DOMAINS if PM @@ -122,6 +136,11 @@ config ARCH_HISI help This enables support for Hisilicon ARMv8 SoC family +config ARCH_KEEMBAY + bool "Keem Bay SoC" + help + This enables support for Intel Movidius SoC code-named Keem Bay. + config ARCH_MEDIATEK bool "MediaTek SoC Family" select ARM_GIC diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile index 6f3e1556ce42..270e8aabbac8 100644 --- a/arch/arm64/boot/dts/Makefile +++ b/arch/arm64/boot/dts/Makefile @@ -17,6 +17,7 @@ subdir-y += intel subdir-y += lg subdir-y += marvell subdir-y += mediatek +subdir-y += microchip subdir-y += nvidia subdir-y += qcom subdir-y += realtek diff --git a/arch/arm64/boot/dts/intel/Makefile b/arch/arm64/boot/dts/intel/Makefile index 40cb16e8c814..296eceec4276 100644 --- a/arch/arm64/boot/dts/intel/Makefile +++ b/arch/arm64/boot/dts/intel/Makefile @@ -1,3 +1,4 @@ # SPDX-License-Identifier: GPL-2.0-only dtb-$(CONFIG_ARCH_AGILEX) += socfpga_agilex_socdk.dtb \ socfpga_agilex_socdk_nand.dtb +dtb-$(CONFIG_ARCH_KEEMBAY) += keembay-evm.dtb diff --git a/arch/arm64/boot/dts/intel/keembay-evm.dts b/arch/arm64/boot/dts/intel/keembay-evm.dts new file mode 100644 index 000000000000..466c85363a29 --- /dev/null +++ b/arch/arm64/boot/dts/intel/keembay-evm.dts @@ -0,0 +1,37 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) +/* + * Copyright (C) 2020, Intel Corporation + * + * Device tree describing Keem Bay EVM board. + */ + +/dts-v1/; + +#include "keembay-soc.dtsi" + +/ { + model = "Keem Bay EVM"; + compatible = "intel,keembay-evm", "intel,keembay"; + + #address-cells = <2>; + #size-cells = <2>; + + aliases { + serial0 = &uart3; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; + + memory@80000000 { + device_type = "memory"; + /* 2GB of DDR memory. */ + reg = <0x0 0x80000000 0x0 0x80000000>; + }; + +}; + +&uart3 { + status = "okay"; +}; diff --git a/arch/arm64/boot/dts/intel/keembay-soc.dtsi b/arch/arm64/boot/dts/intel/keembay-soc.dtsi new file mode 100644 index 000000000000..781761d2942b --- /dev/null +++ b/arch/arm64/boot/dts/intel/keembay-soc.dtsi @@ -0,0 +1,123 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) +/* + * Copyright (C) 2020, Intel Corporation. + * + * Device tree describing Keem Bay SoC. + */ + +#include + +/ { + interrupt-parent = <&gic>; + #address-cells = <2>; + #size-cells = <2>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + compatible = "arm,cortex-a53"; + device_type = "cpu"; + reg = <0x0>; + enable-method = "psci"; + }; + + cpu@1 { + compatible = "arm,cortex-a53"; + device_type = "cpu"; + reg = <0x1>; + enable-method = "psci"; + }; + + cpu@2 { + compatible = "arm,cortex-a53"; + device_type = "cpu"; + reg = <0x2>; + enable-method = "psci"; + }; + + cpu@3 { + compatible = "arm,cortex-a53"; + device_type = "cpu"; + reg = <0x3>; + enable-method = "psci"; + }; + }; + + psci { + compatible = "arm,psci-0.2"; + method = "smc"; + }; + + gic: interrupt-controller@20500000 { + compatible = "arm,gic-v3"; + interrupt-controller; + #interrupt-cells = <3>; + reg = <0x0 0x20500000 0x0 0x20000>, /* GICD */ + <0x0 0x20580000 0x0 0x80000>; /* GICR */ + /* VGIC maintenance interrupt */ + interrupts = ; + }; + + timer { + compatible = "arm,armv8-timer"; + /* Secure, non-secure, virtual, and hypervisor */ + interrupts = , + , + , + ; + }; + + pmu { + compatible = "arm,armv8-pmuv3"; + interrupts = ; + }; + + soc { + compatible = "simple-bus"; + #address-cells = <2>; + #size-cells = <2>; + ranges; + + uart0: serial@20150000 { + compatible = "snps,dw-apb-uart"; + reg = <0x0 0x20150000 0x0 0x100>; + interrupts = ; + clock-frequency = <24000000>; + reg-shift = <2>; + reg-io-width = <4>; + status = "disabled"; + }; + + uart1: serial@20160000 { + compatible = "snps,dw-apb-uart"; + reg = <0x0 0x20160000 0x0 0x100>; + interrupts = ; + clock-frequency = <24000000>; + reg-shift = <2>; + reg-io-width = <4>; + status = "disabled"; + }; + + uart2: serial@20170000 { + compatible = "snps,dw-apb-uart"; + reg = <0x0 0x20170000 0x0 0x100>; + interrupts = ; + clock-frequency = <24000000>; + reg-shift = <2>; + reg-io-width = <4>; + status = "disabled"; + }; + + uart3: serial@20180000 { + compatible = "snps,dw-apb-uart"; + reg = <0x0 0x20180000 0x0 0x100>; + interrupts = ; + clock-frequency = <24000000>; + reg-shift = <2>; + reg-io-width = <4>; + status = "disabled"; + }; + }; +}; diff --git a/arch/arm64/boot/dts/microchip/Makefile b/arch/arm64/boot/dts/microchip/Makefile new file mode 100644 index 000000000000..c6e0313eea0f --- /dev/null +++ b/arch/arm64/boot/dts/microchip/Makefile @@ -0,0 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 +dtb-$(CONFIG_ARCH_SPARX5) += sparx5_pcb125.dtb +dtb-$(CONFIG_ARCH_SPARX5) += sparx5_pcb134.dtb sparx5_pcb134_emmc.dtb +dtb-$(CONFIG_ARCH_SPARX5) += sparx5_pcb135.dtb sparx5_pcb135_emmc.dtb diff --git a/arch/arm64/boot/dts/microchip/sparx5.dtsi b/arch/arm64/boot/dts/microchip/sparx5.dtsi new file mode 100644 index 000000000000..cf712e80615d --- /dev/null +++ b/arch/arm64/boot/dts/microchip/sparx5.dtsi @@ -0,0 +1,213 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2020 Microchip Technology Inc. and its subsidiaries. + */ + +#include +#include + +/ { + compatible = "microchip,sparx5"; + interrupt-parent = <&gic>; + #address-cells = <2>; + #size-cells = <1>; + + aliases { + serial0 = &uart0; + serial1 = &uart1; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; + + cpus { + #address-cells = <2>; + #size-cells = <0>; + cpu-map { + cluster0 { + core0 { + cpu = <&cpu0>; + }; + core1 { + cpu = <&cpu1>; + }; + }; + }; + cpu0: cpu@0 { + compatible = "arm,cortex-a53"; + device_type = "cpu"; + reg = <0x0 0x0>; + enable-method = "psci"; + next-level-cache = <&L2_0>; + }; + cpu1: cpu@1 { + compatible = "arm,cortex-a53"; + device_type = "cpu"; + reg = <0x0 0x1>; + enable-method = "psci"; + next-level-cache = <&L2_0>; + }; + L2_0: l2-cache0 { + compatible = "cache"; + }; + }; + + arm-pmu { + compatible = "arm,cortex-a53-pmu"; + interrupts = ; + interrupt-affinity = <&cpu0>, <&cpu1>; + }; + + psci { + compatible = "arm,psci-0.2"; + method = "smc"; + }; + + timer { + compatible = "arm,armv8-timer"; + interrupts = , + , + , + ; + }; + + lcpll_clk: lcpll-clk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <2500000000>; + }; + + clks: clock-controller@61110000c { + compatible = "microchip,sparx5-dpll"; + #clock-cells = <1>; + clocks = <&lcpll_clk>; + reg = <0x6 0x1110000c 0x24>; + }; + + ahb_clk: ahb-clk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <250000000>; + }; + + sys_clk: sys-clk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <625000000>; + }; + + axi: axi@600000000 { + compatible = "simple-bus"; + #address-cells = <2>; + #size-cells = <1>; + ranges; + + gic: interrupt-controller@600300000 { + compatible = "arm,gic-v3"; + #interrupt-cells = <3>; + #address-cells = <2>; + #size-cells = <2>; + interrupt-controller; + reg = <0x6 0x00300000 0x10000>, /* GIC Dist */ + <0x6 0x00340000 0xc0000>, /* GICR */ + <0x6 0x00200000 0x2000>, /* GICC */ + <0x6 0x00210000 0x2000>, /* GICV */ + <0x6 0x00220000 0x2000>; /* GICH */ + interrupts = ; + }; + + uart0: serial@600100000 { + pinctrl-0 = <&uart_pins>; + pinctrl-names = "default"; + compatible = "ns16550a"; + reg = <0x6 0x00100000 0x20>; + clocks = <&ahb_clk>; + reg-io-width = <4>; + reg-shift = <2>; + interrupts = ; + + status = "disabled"; + }; + + uart1: serial@600102000 { + pinctrl-0 = <&uart2_pins>; + pinctrl-names = "default"; + compatible = "ns16550a"; + reg = <0x6 0x00102000 0x20>; + clocks = <&ahb_clk>; + reg-io-width = <4>; + reg-shift = <2>; + interrupts = ; + + status = "disabled"; + }; + + timer1: timer@600105000 { + compatible = "snps,dw-apb-timer"; + reg = <0x6 0x00105000 0x1000>; + clocks = <&ahb_clk>; + clock-names = "timer"; + interrupts = ; + }; + + gpio: pinctrl@6110101e0 { + compatible = "microchip,sparx5-pinctrl"; + reg = <0x6 0x110101e0 0x90>, <0x6 0x10508010 0x100>; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&gpio 0 0 64>; + interrupt-controller; + interrupts = ; + #interrupt-cells = <2>; + + uart_pins: uart-pins { + pins = "GPIO_10", "GPIO_11"; + function = "uart"; + }; + + uart2_pins: uart2-pins { + pins = "GPIO_26", "GPIO_27"; + function = "uart2"; + }; + + i2c_pins: i2c-pins { + pins = "GPIO_14", "GPIO_15"; + function = "twi"; + }; + + i2c2_pins: i2c2-pins { + pins = "GPIO_28", "GPIO_29"; + function = "twi2"; + }; + }; + + i2c0: i2c@600101000 { + compatible = "snps,designware-i2c"; + status = "disabled"; + pinctrl-0 = <&i2c_pins>; + pinctrl-names = "default"; + reg = <0x6 0x00101000 0x100>; + #address-cells = <1>; + #size-cells = <0>; + interrupts = ; + i2c-sda-hold-time-ns = <300>; + clock-frequency = <100000>; + clocks = <&ahb_clk>; + }; + + i2c1: i2c@600103000 { + compatible = "snps,designware-i2c"; + status = "disabled"; + pinctrl-0 = <&i2c2_pins>; + pinctrl-names = "default"; + reg = <0x6 0x00103000 0x100>; + #address-cells = <1>; + #size-cells = <0>; + interrupts = ; + i2c-sda-hold-time-ns = <300>; + clock-frequency = <100000>; + clocks = <&ahb_clk>; + }; + }; +}; diff --git a/arch/arm64/boot/dts/microchip/sparx5_pcb125.dts b/arch/arm64/boot/dts/microchip/sparx5_pcb125.dts new file mode 100644 index 000000000000..91ee5b6cfc37 --- /dev/null +++ b/arch/arm64/boot/dts/microchip/sparx5_pcb125.dts @@ -0,0 +1,21 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2020 Microchip Technology Inc. and its subsidiaries. + */ + +/dts-v1/; +#include "sparx5_pcb_common.dtsi" + +/ { + model = "Sparx5 PCB125 Reference Board"; + compatible = "microchip,sparx5-pcb125", "microchip,sparx5"; + + memory@0 { + device_type = "memory"; + reg = <0x00000000 0x00000000 0x10000000>; + }; +}; + +&i2c1 { + status = "okay"; +}; diff --git a/arch/arm64/boot/dts/microchip/sparx5_pcb134.dts b/arch/arm64/boot/dts/microchip/sparx5_pcb134.dts new file mode 100644 index 000000000000..feee4e99ff57 --- /dev/null +++ b/arch/arm64/boot/dts/microchip/sparx5_pcb134.dts @@ -0,0 +1,17 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2020 Microchip Technology Inc. and its subsidiaries. + */ + +/dts-v1/; +#include "sparx5_pcb134_board.dtsi" + +/ { + model = "Sparx5 PCB134 Reference Board (NAND)"; + compatible = "microchip,sparx5-pcb134", "microchip,sparx5"; + + memory@0 { + device_type = "memory"; + reg = <0x00000000 0x00000000 0x10000000>; + }; +}; diff --git a/arch/arm64/boot/dts/microchip/sparx5_pcb134_board.dtsi b/arch/arm64/boot/dts/microchip/sparx5_pcb134_board.dtsi new file mode 100644 index 000000000000..18a535a04368 --- /dev/null +++ b/arch/arm64/boot/dts/microchip/sparx5_pcb134_board.dtsi @@ -0,0 +1,252 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2020 Microchip Technology Inc. and its subsidiaries. + */ + +/dts-v1/; +#include "sparx5_pcb_common.dtsi" + +/{ + aliases { + i2c0 = &i2c0; + i2c100 = &i2c100; + i2c101 = &i2c101; + i2c102 = &i2c102; + i2c103 = &i2c103; + i2c104 = &i2c104; + i2c105 = &i2c105; + i2c106 = &i2c106; + i2c107 = &i2c107; + i2c108 = &i2c108; + i2c109 = &i2c109; + i2c110 = &i2c110; + i2c111 = &i2c111; + i2c112 = &i2c112; + i2c113 = &i2c113; + i2c114 = &i2c114; + i2c115 = &i2c115; + i2c116 = &i2c116; + i2c117 = &i2c117; + i2c118 = &i2c118; + i2c119 = &i2c119; + }; + + gpio-restart { + compatible = "gpio-restart"; + gpios = <&gpio 37 GPIO_ACTIVE_LOW>; + priority = <200>; + }; +}; + +&gpio { + i2cmux_pins_i: i2cmux-pins-i { + pins = "GPIO_16", "GPIO_17", "GPIO_18", "GPIO_19", + "GPIO_20", "GPIO_22", "GPIO_36", "GPIO_35", + "GPIO_50", "GPIO_51", "GPIO_56", "GPIO_57"; + function = "twi_scl_m"; + output-low; + }; + i2cmux_0: i2cmux-0 { + pins = "GPIO_16"; + function = "twi_scl_m"; + output-high; + }; + i2cmux_1: i2cmux-1 { + pins = "GPIO_17"; + function = "twi_scl_m"; + output-high; + }; + i2cmux_2: i2cmux-2 { + pins = "GPIO_18"; + function = "twi_scl_m"; + output-high; + }; + i2cmux_3: i2cmux-3 { + pins = "GPIO_19"; + function = "twi_scl_m"; + output-high; + }; + i2cmux_4: i2cmux-4 { + pins = "GPIO_20"; + function = "twi_scl_m"; + output-high; + }; + i2cmux_5: i2cmux-5 { + pins = "GPIO_22"; + function = "twi_scl_m"; + output-high; + }; + i2cmux_6: i2cmux-6 { + pins = "GPIO_36"; + function = "twi_scl_m"; + output-high; + }; + i2cmux_7: i2cmux-7 { + pins = "GPIO_35"; + function = "twi_scl_m"; + output-high; + }; + i2cmux_8: i2cmux-8 { + pins = "GPIO_50"; + function = "twi_scl_m"; + output-high; + }; + i2cmux_9: i2cmux-9 { + pins = "GPIO_51"; + function = "twi_scl_m"; + output-high; + }; + i2cmux_10: i2cmux-10 { + pins = "GPIO_56"; + function = "twi_scl_m"; + output-high; + }; + i2cmux_11: i2cmux-11 { + pins = "GPIO_57"; + function = "twi_scl_m"; + output-high; + }; +}; + +&axi { + i2c0_imux: i2c0-imux@0 { + compatible = "i2c-mux-pinctrl"; + #address-cells = <1>; + #size-cells = <0>; + i2c-parent = <&i2c0>; + }; + i2c0_emux: i2c0-emux@0 { + compatible = "i2c-mux-gpio"; + #address-cells = <1>; + #size-cells = <0>; + i2c-parent = <&i2c0>; + }; +}; + +&i2c0_imux { + pinctrl-names = + "i2c100", "i2c101", "i2c102", "i2c103", + "i2c104", "i2c105", "i2c106", "i2c107", + "i2c108", "i2c109", "i2c110", "i2c111", "idle"; + pinctrl-0 = <&i2cmux_0>; + pinctrl-1 = <&i2cmux_1>; + pinctrl-2 = <&i2cmux_2>; + pinctrl-3 = <&i2cmux_3>; + pinctrl-4 = <&i2cmux_4>; + pinctrl-5 = <&i2cmux_5>; + pinctrl-6 = <&i2cmux_6>; + pinctrl-7 = <&i2cmux_7>; + pinctrl-8 = <&i2cmux_8>; + pinctrl-9 = <&i2cmux_9>; + pinctrl-10 = <&i2cmux_10>; + pinctrl-11 = <&i2cmux_11>; + pinctrl-12 = <&i2cmux_pins_i>; + i2c100: i2c_sfp1 { + reg = <0x0>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c101: i2c_sfp2 { + reg = <0x1>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c102: i2c_sfp3 { + reg = <0x2>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c103: i2c_sfp4 { + reg = <0x3>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c104: i2c_sfp5 { + reg = <0x4>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c105: i2c_sfp6 { + reg = <0x5>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c106: i2c_sfp7 { + reg = <0x6>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c107: i2c_sfp8 { + reg = <0x7>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c108: i2c_sfp9 { + reg = <0x8>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c109: i2c_sfp10 { + reg = <0x9>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c110: i2c_sfp11 { + reg = <0xa>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c111: i2c_sfp12 { + reg = <0xb>; + #address-cells = <1>; + #size-cells = <0>; + }; +}; + +&i2c0_emux { + mux-gpios = <&gpio 55 GPIO_ACTIVE_HIGH + &gpio 60 GPIO_ACTIVE_HIGH + &gpio 61 GPIO_ACTIVE_HIGH + &gpio 54 GPIO_ACTIVE_HIGH>; + idle-state = <0x8>; + i2c112: i2c_sfp13 { + reg = <0x0>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c113: i2c_sfp14 { + reg = <0x1>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c114: i2c_sfp15 { + reg = <0x2>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c115: i2c_sfp16 { + reg = <0x3>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c116: i2c_sfp17 { + reg = <0x4>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c117: i2c_sfp18 { + reg = <0x5>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c118: i2c_sfp19 { + reg = <0x6>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c119: i2c_sfp20 { + reg = <0x7>; + #address-cells = <1>; + #size-cells = <0>; + }; +}; diff --git a/arch/arm64/boot/dts/microchip/sparx5_pcb134_emmc.dts b/arch/arm64/boot/dts/microchip/sparx5_pcb134_emmc.dts new file mode 100644 index 000000000000..10081a66961b --- /dev/null +++ b/arch/arm64/boot/dts/microchip/sparx5_pcb134_emmc.dts @@ -0,0 +1,17 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2020 Microchip Technology Inc. and its subsidiaries. + */ + +/dts-v1/; +#include "sparx5_pcb134_board.dtsi" + +/ { + model = "Sparx5 PCB134 Reference Board (eMMC enabled)"; + compatible = "microchip,sparx5-pcb134", "microchip,sparx5"; + + memory@0 { + device_type = "memory"; + reg = <0x00000000 0x00000000 0x10000000>; + }; +}; diff --git a/arch/arm64/boot/dts/microchip/sparx5_pcb135.dts b/arch/arm64/boot/dts/microchip/sparx5_pcb135.dts new file mode 100644 index 000000000000..20e409a9be19 --- /dev/null +++ b/arch/arm64/boot/dts/microchip/sparx5_pcb135.dts @@ -0,0 +1,17 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2020 Microchip Technology Inc. and its subsidiaries. + */ + +/dts-v1/; +#include "sparx5_pcb135_board.dtsi" + +/ { + model = "Sparx5 PCB135 Reference Board (NAND)"; + compatible = "microchip,sparx5-pcb135", "microchip,sparx5"; + + memory@0 { + device_type = "memory"; + reg = <0x00000000 0x00000000 0x10000000>; + }; +}; diff --git a/arch/arm64/boot/dts/microchip/sparx5_pcb135_board.dtsi b/arch/arm64/boot/dts/microchip/sparx5_pcb135_board.dtsi new file mode 100644 index 000000000000..d71f11a10b3d --- /dev/null +++ b/arch/arm64/boot/dts/microchip/sparx5_pcb135_board.dtsi @@ -0,0 +1,92 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2020 Microchip Technology Inc. and its subsidiaries. + */ + +/dts-v1/; +#include "sparx5_pcb_common.dtsi" + +/{ + aliases { + i2c0 = &i2c0; + i2c152 = &i2c152; + i2c153 = &i2c153; + i2c154 = &i2c154; + i2c155 = &i2c155; + }; + + gpio-restart { + compatible = "gpio-restart"; + gpios = <&gpio 37 GPIO_ACTIVE_LOW>; + priority = <200>; + }; +}; + +&gpio { + i2cmux_pins_i: i2cmux-pins-i { + pins = "GPIO_35", "GPIO_36", + "GPIO_50", "GPIO_51"; + function = "twi_scl_m"; + output-low; + }; + i2cmux_s29: i2cmux-0 { + pins = "GPIO_35"; + function = "twi_scl_m"; + output-high; + }; + i2cmux_s30: i2cmux-1 { + pins = "GPIO_36"; + function = "twi_scl_m"; + output-high; + }; + i2cmux_s31: i2cmux-2 { + pins = "GPIO_50"; + function = "twi_scl_m"; + output-high; + }; + i2cmux_s32: i2cmux-3 { + pins = "GPIO_51"; + function = "twi_scl_m"; + output-high; + }; +}; + +&axi { + i2c0_imux: i2c0-imux@0 { + compatible = "i2c-mux-pinctrl"; + #address-cells = <1>; + #size-cells = <0>; + i2c-parent = <&i2c0>; + }; +}; + +&i2c0_imux { + pinctrl-names = + "i2c152", "i2c153", "i2c154", "i2c155", + "idle"; + pinctrl-0 = <&i2cmux_s29>; + pinctrl-1 = <&i2cmux_s30>; + pinctrl-2 = <&i2cmux_s31>; + pinctrl-3 = <&i2cmux_s32>; + pinctrl-4 = <&i2cmux_pins_i>; + i2c152: i2c_sfp1 { + reg = <0x0>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c153: i2c_sfp2 { + reg = <0x1>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c154: i2c_sfp3 { + reg = <0x2>; + #address-cells = <1>; + #size-cells = <0>; + }; + i2c155: i2c_sfp4 { + reg = <0x3>; + #address-cells = <1>; + #size-cells = <0>; + }; +}; diff --git a/arch/arm64/boot/dts/microchip/sparx5_pcb135_emmc.dts b/arch/arm64/boot/dts/microchip/sparx5_pcb135_emmc.dts new file mode 100644 index 000000000000..741f0e12260e --- /dev/null +++ b/arch/arm64/boot/dts/microchip/sparx5_pcb135_emmc.dts @@ -0,0 +1,17 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2020 Microchip Technology Inc. and its subsidiaries. + */ + +/dts-v1/; +#include "sparx5_pcb135_board.dtsi" + +/ { + model = "Sparx5 PCB135 Reference Board (eMMC enabled)"; + compatible = "microchip,sparx5-pcb135", "microchip,sparx5"; + + memory@0 { + device_type = "memory"; + reg = <0x00000000 0x00000000 0x10000000>; + }; +}; diff --git a/arch/arm64/boot/dts/microchip/sparx5_pcb_common.dtsi b/arch/arm64/boot/dts/microchip/sparx5_pcb_common.dtsi new file mode 100644 index 000000000000..9d1a082de3e2 --- /dev/null +++ b/arch/arm64/boot/dts/microchip/sparx5_pcb_common.dtsi @@ -0,0 +1,19 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2020 Microchip Technology Inc. and its subsidiaries. + */ + +/dts-v1/; +#include "sparx5.dtsi" + +&uart0 { + status = "okay"; +}; + +&uart1 { + status = "okay"; +}; + +&i2c0 { + status = "okay"; +}; diff --git a/include/dt-bindings/clock/microchip,sparx5.h b/include/dt-bindings/clock/microchip,sparx5.h new file mode 100644 index 000000000000..4b04dabacec2 --- /dev/null +++ b/include/dt-bindings/clock/microchip,sparx5.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2019 Microchip Inc. + * + * Author: Lars Povlsen + */ + +#ifndef _DT_BINDINGS_CLK_SPARX5_H +#define _DT_BINDINGS_CLK_SPARX5_H + +#define CLK_ID_CORE 0 +#define CLK_ID_DDR 1 +#define CLK_ID_CPU2 2 +#define CLK_ID_ARM2 3 +#define CLK_ID_AUX1 4 +#define CLK_ID_AUX2 5 +#define CLK_ID_AUX3 6 +#define CLK_ID_AUX4 7 +#define CLK_ID_SYNCE 8 + +#define N_CLOCKS 9 + +#endif