Merge tag 'arm-newsoc-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull new ARM SoC support from Arnd Bergmann:
 "There are three SoC families newly dded to the 32-bit and 64-bit Arm
  architecture code in the kernel this time:

   - Daniel Palmer adds initial support for two chips made by MStar, a
     taiwanese SoC manufacturer that became part of Mediatek in 2012.

     For now, the added support is fairly minimal, with just two of its
     Cortex-A7 based 32-bit camera chips getting support for a limited
     set of on-chip peripherals.

   - Lars Povlsen from Microchip adds support for their new Sparx5
     family of ethernet switch chips using 64-bit Cortex-A53 cores.

     These are descended from earlier VSC7xxx SparX and Ocelot chips
     using 32-bit MIPS cores.

   - Daniele Alessandrelli from Intel adds support for the new Keem Bay
     SoC for computer vision, built around a Movidius VPU with Linux
     running on Arm Cortex-A53 cores"

* tag 'arm-newsoc-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (38 commits)
  ARM: mstar: Correct the compatible string for pmsleep
  dt-bindings: arm: mstar: remove the binding description for mstar,pmsleep
  dt-bindings: mfd: syscon: add compatible string for mstar,msc313-pmsleep
  ARM: mstar: Add reboot support
  ARM: mstar: Add "pmsleep" node to base dtsi
  ARM: mstar: Add PMU
  ARM: mstar: Adjust IMI size for infinity3
  ARM: mstar: Adjust IMI size for mercury5
  ARM: mstar: Adjust IMI size of infinity
  ARM: mstar: Add IMI SRAM region
  dt-bindings: arm: mstar: Move existing MStar binding descriptions
  dt-bindings: arm: mstar: Add binding details for mstar, pmsleep
  ARM: mstar: Fix dts filename for 70mai midrive d08
  ARM: mstar: Add dts for 70mai midrive d08
  ARM: mstar: Add dts for msc313(e) based BreadBee boards
  ARM: mstar: Add mercury5 series dtsis
  ARM: mstar: Add infinity/infinity3 family dtsis
  ARM: mstar: Add Armv7 base dtsi
  ARM: mstar: Add binding details for mstar,l3bridge
  ARM: mstar: Add machine for MStar/Sigmastar Armv7 SoCs
  ...

Author: torvalds

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 <[email protected]>
+  - Daniele Alessandrelli <[email protected]>
+
+properties:
+  compatible:
+    items:
+      - enum:
+        - intel,keembay-evm
+      - const: intel,keembay
+...

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 <[email protected]>
+
+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
+
+...

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 <[email protected]>
+
+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>;
+    };

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 <[email protected]>
+
+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

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 <[email protected]>
+
+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>;
+    };
+
+...

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
 

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,.*":

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 <[email protected]>
+M:	Daniele Alessandrelli <[email protected]>
+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 <[email protected]>
 L:	[email protected] (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 <[email protected]>
+M:	Steen Hegelund <[email protected]>
+M:	Microchip Linux Driver Support <[email protected]>
+L:	[email protected] (moderated for non-subscribers)
+S:	Supported
+F:	arch/arm64/boot/dts/microchip/
+N:	sparx5
+
 ARM/MIOA701 MACHINE SUPPORT
 M:	Robert Jarzmik <[email protected]>
 L:	[email protected] (moderated for non-subscribers)
 S:	Maintained
 F:	arch/arm/mach-pxa/mioa701.c
 
+ARM/MStar/Sigmastar Armv7 SoC support
+M:	Daniel Palmer <[email protected]>
+L:	[email protected] (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 <[email protected]>
 S:	Maintained

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"

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