diff options
53 files changed, 3445 insertions, 512 deletions
diff --git a/Documentation/ABI/testing/debugfs-moxtet b/Documentation/ABI/testing/debugfs-moxtet new file mode 100644 index 000000000000..67b1717794d8 --- /dev/null +++ b/Documentation/ABI/testing/debugfs-moxtet @@ -0,0 +1,23 @@ +What: /sys/kernel/debug/moxtet/input +Date: March 2019 +KernelVersion: 5.3 +Contact: Marek Behún <marek.behun@nic.cz> +Description: (R) Read input from the shift registers, in hexadecimal. + Returns N+1 bytes, where N is the number of Moxtet connected + modules. The first byte is from the CPU board itself. + Example: 101214 + 10: CPU board with SD card + 12: 2 = PCIe module, 1 = IRQ not active + 14: 4 = Peridot module, 1 = IRQ not active + +What: /sys/kernel/debug/moxtet/output +Date: March 2019 +KernelVersion: 5.3 +Contact: Marek Behún <marek.behun@nic.cz> +Description: (RW) Read last written value to the shift registers, in + hexadecimal, or write values to the shift registers, also + in hexadecimal. + Example: 0102 + 01: 01 was last written, or is to be written, to the + first module's shift register + 02: the same for second module diff --git a/Documentation/ABI/testing/sysfs-bus-moxtet-devices b/Documentation/ABI/testing/sysfs-bus-moxtet-devices new file mode 100644 index 000000000000..355958527fa3 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-moxtet-devices @@ -0,0 +1,17 @@ +What: /sys/bus/moxtet/devices/moxtet-<name>.<addr>/module_description +Date: March 2019 +KernelVersion: 5.3 +Contact: Marek Behún <marek.behun@nic.cz> +Description: (R) Moxtet module description. Format: string + +What: /sys/bus/moxtet/devices/moxtet-<name>.<addr>/module_id +Date: March 2019 +KernelVersion: 5.3 +Contact: Marek Behún <marek.behun@nic.cz> +Description: (R) Moxtet module ID. Format: %x + +What: /sys/bus/moxtet/devices/moxtet-<name>.<addr>/module_name +Date: March 2019 +KernelVersion: 5.3 +Contact: Marek Behún <marek.behun@nic.cz> +Description: (R) Moxtet module name. Format: string diff --git a/Documentation/devicetree/bindings/arm/arm,scmi.txt b/Documentation/devicetree/bindings/arm/arm,scmi.txt index 317a2fc3667a..083dbf96ee00 100644 --- a/Documentation/devicetree/bindings/arm/arm,scmi.txt +++ b/Documentation/devicetree/bindings/arm/arm,scmi.txt @@ -73,6 +73,16 @@ Required properties: as used by the firmware. Refer to platform details for your implementation for the IDs to use. +Reset signal bindings for the reset domains based on SCMI Message Protocol +------------------------------------------------------------ + +This binding for the SCMI reset domain providers uses the generic reset +signal binding[5]. + +Required properties: + - #reset-cells : Should be 1. Contains the reset domain ID value used + by SCMI commands. + SRAM and Shared Memory for SCMI ------------------------------- @@ -93,6 +103,7 @@ Required sub-node properties: [2] Documentation/devicetree/bindings/power/power_domain.txt [3] Documentation/devicetree/bindings/thermal/thermal.txt [4] Documentation/devicetree/bindings/sram/sram.txt +[5] Documentation/devicetree/bindings/reset/reset.txt Example: @@ -152,6 +163,11 @@ firmware { reg = <0x15>; #thermal-sensor-cells = <1>; }; + + scmi_reset: protocol@16 { + reg = <0x16>; + #reset-cells = <1>; + }; }; }; @@ -166,6 +182,7 @@ hdlcd@7ff60000 { reg = <0 0x7ff60000 0 0x1000>; clocks = <&scmi_clk 4>; power-domains = <&scmi_devpd 1>; + resets = <&scmi_reset 10>; }; thermal-zones { diff --git a/Documentation/devicetree/bindings/arm/marvell/armada-37xx.txt b/Documentation/devicetree/bindings/arm/marvell/armada-37xx.txt index eddde4faef01..f6d6642d81c0 100644 --- a/Documentation/devicetree/bindings/arm/marvell/armada-37xx.txt +++ b/Documentation/devicetree/bindings/arm/marvell/armada-37xx.txt @@ -48,3 +48,11 @@ avs: avs@11500 { compatible = "marvell,armada-3700-avs", "syscon"; reg = <0x11500 0x40>; } + + +CZ.NIC's Turris Mox SOHO router Device Tree Bindings +---------------------------------------------------- + +Required root node property: + + - compatible: must contain "cznic,turris-mox" diff --git a/Documentation/devicetree/bindings/bus/moxtet.txt b/Documentation/devicetree/bindings/bus/moxtet.txt new file mode 100644 index 000000000000..fb50fc865336 --- /dev/null +++ b/Documentation/devicetree/bindings/bus/moxtet.txt @@ -0,0 +1,46 @@ +Turris Mox module status and configuration bus (over SPI) + +Required properties: + - compatible : Should be "cznic,moxtet" + - #address-cells : Has to be 1 + - #size-cells : Has to be 0 + - spi-cpol : Required inverted clock polarity + - spi-cpha : Required shifted clock phase + - interrupts : Must contain reference to the shared interrupt line + - interrupt-controller : Required + - #interrupt-cells : Has to be 1 + +For other required and optional properties of SPI slave nodes please refer to +../spi/spi-bus.txt. + +Required properties of subnodes: + - reg : Should be position on the Moxtet bus (how many Moxtet + modules are between this module and CPU module, so + either 0 or a positive integer) + +The driver finds the devices connected to the bus by itself, but it may be +needed to reference some of them from other parts of the device tree. In that +case the devices can be defined as subnodes of the moxtet node. + +Example: + + moxtet@1 { + compatible = "cznic,moxtet"; + #address-cells = <1>; + #size-cells = <0>; + reg = <1>; + spi-max-frequency = <10000000>; + spi-cpol; + spi-cpha; + interrupt-controller; + #interrupt-cells = <1>; + interrupt-parent = <&gpiosb>; + interrupts = <5 IRQ_TYPE_EDGE_FALLING>; + + moxtet_sfp: gpio@0 { + compatible = "cznic,moxtet-gpio"; + gpio-controller; + #gpio-cells = <2>; + reg = <0>; + } + }; diff --git a/Documentation/devicetree/bindings/gpio/gpio-moxtet.txt b/Documentation/devicetree/bindings/gpio/gpio-moxtet.txt new file mode 100644 index 000000000000..410759de9f09 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/gpio-moxtet.txt @@ -0,0 +1,18 @@ +Turris Mox Moxtet GPIO expander via Moxtet bus + +Required properties: + - compatible : Should be "cznic,moxtet-gpio". + - gpio-controller : Marks the device node as a GPIO controller. + - #gpio-cells : Should be two. For consumer use see gpio.txt. + +Other properties are required for a Moxtet bus device, please refer to +Documentation/devicetree/bindings/bus/moxtet.txt. + +Example: + + moxtet_sfp: gpio@0 { + compatible = "cznic,moxtet-gpio"; + gpio-controller; + #gpio-cells = <2>; + reg = <0>; + } diff --git a/Documentation/devicetree/bindings/reset/fsl,imx7-src.txt b/Documentation/devicetree/bindings/reset/fsl,imx7-src.txt index 13e095182db4..c2489e41a801 100644 --- a/Documentation/devicetree/bindings/reset/fsl,imx7-src.txt +++ b/Documentation/devicetree/bindings/reset/fsl,imx7-src.txt @@ -8,6 +8,7 @@ Required properties: - compatible: - For i.MX7 SoCs should be "fsl,imx7d-src", "syscon" - For i.MX8MQ SoCs should be "fsl,imx8mq-src", "syscon" + - For i.MX8MM SoCs should be "fsl,imx8mm-src", "fsl,imx8mq-src", "syscon" - reg: should be register base and length as documented in the datasheet - interrupts: Should contain SRC interrupt @@ -46,5 +47,6 @@ Example: For list of all valid reset indices see -<dt-bindings/reset/imx7-reset.h> for i.MX7 and -<dt-bindings/reset/imx8mq-reset.h> for i.MX8MQ +<dt-bindings/reset/imx7-reset.h> for i.MX7, +<dt-bindings/reset/imx8mq-reset.h> for i.MX8MQ and +<dt-bindings/reset/imx8mq-reset.h> for i.MX8MM diff --git a/Documentation/devicetree/bindings/reset/snps,dw-reset.txt b/Documentation/devicetree/bindings/reset/snps,dw-reset.txt new file mode 100644 index 000000000000..f94f911dd98d --- /dev/null +++ b/Documentation/devicetree/bindings/reset/snps,dw-reset.txt @@ -0,0 +1,30 @@ +Synopsys DesignWare Reset controller +======================================= + +Please also refer to reset.txt in this directory for common reset +controller binding usage. + +Required properties: + +- compatible: should be one of the following. + "snps,dw-high-reset" - for active high configuration + "snps,dw-low-reset" - for active low configuration + +- reg: physical base address of the controller and length of memory mapped + region. + +- #reset-cells: must be 1. + +example: + + dw_rst_1: reset-controller@0000 { + compatible = "snps,dw-high-reset"; + reg = <0x0000 0x4>; + #reset-cells = <1>; + }; + + dw_rst_2: reset-controller@1000 {i + compatible = "snps,dw-low-reset"; + reg = <0x1000 0x8>; + #reset-cells = <1>; + }; diff --git a/Documentation/devicetree/bindings/soc/fsl/cpm_qe/qe.txt b/Documentation/devicetree/bindings/soc/fsl/cpm_qe/qe.txt index d7afaff5faff..05ec2a838c54 100644 --- a/Documentation/devicetree/bindings/soc/fsl/cpm_qe/qe.txt +++ b/Documentation/devicetree/bindings/soc/fsl/cpm_qe/qe.txt @@ -18,7 +18,8 @@ Required properties: - reg : offset and length of the device registers. - bus-frequency : the clock frequency for QUICC Engine. - fsl,qe-num-riscs: define how many RISC engines the QE has. -- fsl,qe-num-snums: define how many serial number(SNUM) the QE can use for the +- fsl,qe-snums: This property has to be specified as '/bits/ 8' value, + defining the array of serial number (SNUM) values for the virtual threads. Optional properties: @@ -34,6 +35,11 @@ Recommended properties - brg-frequency : the internal clock source frequency for baud-rate generators in Hz. +Deprecated properties +- fsl,qe-num-snums: define how many serial number(SNUM) the QE can use + for the threads. Use fsl,qe-snums instead to not only specify the + number of snums, but also their values. + Example: qe@e0100000 { #address-cells = <1>; @@ -44,6 +50,11 @@ Example: reg = <e0100000 480>; brg-frequency = <0>; bus-frequency = <179A7B00>; + fsl,qe-snums = /bits/ 8 < + 0x04 0x05 0x0C 0x0D 0x14 0x15 0x1C 0x1D + 0x24 0x25 0x2C 0x2D 0x34 0x35 0x88 0x89 + 0x98 0x99 0xA8 0xA9 0xB8 0xB9 0xC8 0xC9 + 0xD8 0xD9 0xE8 0xE9>; } * Multi-User RAM (MURAM) diff --git a/MAINTAINERS b/MAINTAINERS index 3904f0fcfcbb..5d1868e53581 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1626,6 +1626,18 @@ F: drivers/clocksource/timer-atlas7.c N: [^a-z]sirf X: drivers/gnss +ARM/CZ.NIC TURRIS MOX SUPPORT +M: Marek Behun <marek.behun@nic.cz> +W: http://mox.turris.cz +S: Maintained +F: Documentation/ABI/testing/debugfs-moxtet +F: Documentation/ABI/testing/sysfs-bus-moxtet-devices +F: Documentation/devicetree/bindings/bus/moxtet.txt +F: Documentation/devicetree/bindings/gpio/gpio-moxtet.txt +F: include/linux/moxtet.h +F: drivers/bus/moxtet.c +F: drivers/gpio/gpio-moxtet.c + ARM/EBSA110 MACHINE SUPPORT M: Russell King <linux@armlinux.org.uk> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) @@ -15577,6 +15589,7 @@ F: drivers/clk/clk-sc[mp]i.c F: drivers/cpufreq/sc[mp]i-cpufreq.c F: drivers/firmware/arm_scpi.c F: drivers/firmware/arm_scmi/ +F: drivers/reset/reset-scmi.c F: include/linux/sc[mp]i_protocol.h SYSTEM RESET/SHUTDOWN DRIVERS diff --git a/arch/arm64/boot/dts/marvell/Makefile b/arch/arm64/boot/dts/marvell/Makefile index caed4334f27d..243338c914a4 100644 --- a/arch/arm64/boot/dts/marvell/Makefile +++ b/arch/arm64/boot/dts/marvell/Makefile @@ -2,6 +2,7 @@ # Mvebu SoC Family dtb-$(CONFIG_ARCH_MVEBU) += armada-3720-db.dtb dtb-$(CONFIG_ARCH_MVEBU) += armada-3720-espressobin.dtb +dtb-$(CONFIG_ARCH_MVEBU) += armada-3720-turris-mox.dtb dtb-$(CONFIG_ARCH_MVEBU) += armada-3720-uDPU.dtb dtb-$(CONFIG_ARCH_MVEBU) += armada-7040-db.dtb dtb-$(CONFIG_ARCH_MVEBU) += armada-8040-clearfog-gt-8k.dtb diff --git a/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts b/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts new file mode 100644 index 000000000000..d105986c6be1 --- /dev/null +++ b/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts @@ -0,0 +1,840 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Device Tree file for CZ.NIC Turris Mox Board + * 2019 by Marek Behun <marek.behun@nic.cz> + */ + +/dts-v1/; + +#include <dt-bindings/bus/moxtet.h> +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/input/input.h> +#include "armada-372x.dtsi" + +/ { + model = "CZ.NIC Turris Mox Board"; + compatible = "cznic,turris-mox", "marvell,armada3720", + "marvell,armada3710"; + + aliases { + spi0 = &spi0; + ethernet1 = ð1; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; + + memory@0 { + device_type = "memory"; + reg = <0x00000000 0x00000000 0x00000000 0x20000000>; + }; + + leds { + compatible = "gpio-leds"; + red { + label = "mox:red:activity"; + gpios = <&gpiosb 21 GPIO_ACTIVE_LOW>; + linux,default-trigger = "default-on"; + }; + }; + + gpio-keys { + compatible = "gpio-keys"; + + reset { + label = "reset"; + linux,code = <KEY_RESTART>; + gpios = <&gpiosb 20 GPIO_ACTIVE_LOW>; + debounce-interval = <60>; + }; + }; + + exp_usb3_vbus: usb3-vbus { + compatible = "regulator-fixed"; + regulator-name = "usb3-vbus"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + enable-active-high; + regulator-always-on; + gpio = <&gpiosb 0 GPIO_ACTIVE_HIGH>; + }; + + usb3_phy: usb3-phy { + compatible = "usb-nop-xceiv"; + vcc-supply = <&exp_usb3_vbus>; + }; + + vsdc_reg: vsdc-reg { + compatible = "regulator-gpio"; + regulator-name = "vsdc"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + + gpios = <&gpiosb 23 GPIO_ACTIVE_HIGH>; + gpios-states = <0>; + states = <1800000 0x1 + 3300000 0x0>; + enable-active-high; + }; + + vsdio_reg: vsdio-reg { + compatible = "regulator-gpio"; + regulator-name = "vsdio"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + + gpios = <&gpiosb 22 GPIO_ACTIVE_HIGH>; + gpios-states = <0>; + states = <1800000 0x1 + 3300000 0x0>; + enable-active-high; + }; + + sdhci1_pwrseq: sdhci1-pwrseq { + compatible = "mmc-pwrseq-simple"; + reset-gpios = <&gpionb 19 GPIO_ACTIVE_HIGH>; + status = "okay"; + }; + + sfp: sfp { + compatible = "sff,sfp+"; + i2c-bus = <&i2c0>; + los-gpio = <&moxtet_sfp 0 GPIO_ACTIVE_HIGH>; + tx-fault-gpio = <&moxtet_sfp 1 GPIO_ACTIVE_HIGH>; + mod-def0-gpio = <&moxtet_sfp 2 GPIO_ACTIVE_LOW>; + tx-disable-gpio = <&moxtet_sfp 4 GPIO_ACTIVE_HIGH>; + rate-select0-gpio = <&moxtet_sfp 5 GPIO_ACTIVE_HIGH>; + + /* enabled by U-Boot if SFP module is present */ + status = "disabled"; + }; +}; + +&i2c0 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c1_pins>; + clock-frequency = <100000>; + status = "okay"; + + rtc@6f { + compatible = "microchip,mcp7940x"; + reg = <0x6f>; + }; +}; + +&pcie_reset_pins { + function = "gpio"; +}; + +&pcie0 { + pinctrl-names = "default"; + pinctrl-0 = <&pcie_reset_pins &pcie_clkreq_pins>; + status = "okay"; + max-link-speed = <2>; + reset-gpios = <&gpiosb 3 GPIO_ACTIVE_LOW>; + phys = <&comphy1 0>; + + /* enabled by U-Boot if PCIe module is present */ + status = "disabled"; +}; + +&uart0 { + status = "okay"; +}; + +ð0 { + pinctrl-names = "default"; + pinctrl-0 = <&rgmii_pins>; + phy-mode = "rgmii-id"; + phy = <&phy1>; + status = "okay"; +}; + +ð1 { + phy-mode = "2500base-x"; + managed = "in-band-status"; + phys = <&comphy0 1>; +}; + +&sdhci0 { + wp-inverted; + bus-width = <4>; + cd-gpios = <&gpionb 10 GPIO_ACTIVE_HIGH>; + vqmmc-supply = <&vsdc_reg>; + marvell,pad-type = "sd"; + status = "okay"; +}; + +&sdhci1 { + pinctrl-names = "default"; + pinctrl-0 = <&sdio_pins>; + non-removable; + bus-width = <4>; + marvell,pad-type = "sd"; + vqmmc-supply = <&vsdio_reg>; + mmc-pwrseq = <&sdhci1_pwrseq>; + status = "okay"; +}; + +&spi0 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&spi_quad_pins &spi_cs1_pins>; + assigned-clocks = <&nb_periph_clk 7>; + assigned-clock-parents = <&tbg 1>; + assigned-clock-rates = <20000000>; + + spi-flash@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "jedec,spi-nor"; + reg = <0>; + spi-max-frequency = <20000000>; + + partitions { + compatible = "fixed-partitions"; + #address-cells = <1>; + #size-cells = <1>; + + partition@0 { + label = "secure-firmware"; + reg = <0x0 0x20000>; + }; + + partition@20000 { + label = "u-boot"; + reg = <0x20000 0x160000>; + }; + + partition@180000 { + label = "u-boot-env"; + reg = <0x180000 0x10000>; + }; + + partition@190000 { + label = "Rescue system"; + reg = <0x190000 0x660000>; + }; + + partition@7f0000 { + label = "dtb"; + reg = <0x7f0000 0x10000>; + }; + }; + }; + + moxtet: moxtet@1 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "cznic,moxtet"; + reg = <1>; + reset-gpios = <&gpiosb 2 GPIO_ACTIVE_LOW>; + spi-max-frequency = <10000000>; + spi-cpol; + spi-cpha; + interrupt-controller; + #interrupt-cells = <1>; + interrupt-parent = <&gpiosb>; + interrupts = <5 IRQ_TYPE_EDGE_FALLING>; + status = "okay"; + + moxtet_sfp: gpio@0 { + compatible = "cznic,moxtet-gpio"; + gpio-controller; + #gpio-cells = <2>; + reg = <0>; + status = "disabled"; + }; + }; +}; + +&usb2 { + status = "okay"; +}; + +&usb3 { + status = "okay"; + phys = <&comphy2 0>; + usb-phy = <&usb3_phy>; +}; + +&mdio { + pinctrl-names = "default"; + pinctrl-0 = <&smi_pins>; + status = "okay"; + + phy1: ethernet-phy@1 { + reg = <1>; + }; + + /* switch nodes are enabled by U-Boot if modules are present */ + switch0@10 { + compatible = "marvell,mv88e6190"; + reg = <0x10 0>; + dsa,member = <0 0>; + interrupt-parent = <&moxtet>; + interrupts = <MOXTET_IRQ_PERIDOT(0)>; + status = "disabled"; + + mdio { + #address-cells = <1>; + #size-cells = <0>; + + switch0phy1: switch0phy1@1 { + reg = <0x1>; + }; + + switch0phy2: switch0phy2@2 { + reg = <0x2>; + }; + + switch0phy3: switch0phy3@3 { + reg = <0x3>; + }; + + switch0phy4: switch0phy4@4 { + reg = <0x4>; + }; + + switch0phy5: switch0phy5@5 { + reg = <0x5>; + }; + + switch0phy6: switch0phy6@6 { + reg = <0x6>; + }; + + switch0phy7: switch0phy7@7 { + reg = <0x7>; + }; + + switch0phy8: switch0phy8@8 { + reg = <0x8>; + }; + }; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@1 { + reg = <0x1>; + label = "lan1"; + phy-handle = <&switch0phy1>; + }; + + port@2 { + reg = <0x2>; + label = "lan2"; + phy-handle = <&switch0phy2>; + }; + + port@3 { + reg = <0x3>; + label = "lan3"; + phy-handle = <&switch0phy3>; + }; + + port@4 { + reg = <0x4>; + label = "lan4"; + phy-handle = <&switch0phy4>; + }; + + port@5 { + reg = <0x5>; + label = "lan5"; + phy-handle = <&switch0phy5>; + }; + + port@6 { + reg = <0x6>; + label = "lan6"; + phy-handle = <&switch0phy6>; + }; + + port@7 { + reg = <0x7>; + label = "lan7"; + phy-handle = <&switch0phy7>; + }; + + port@8 { + reg = <0x8>; + label = "lan8"; + phy-handle = <&switch0phy8>; + }; + + port@9 { + reg = <0x9>; + label = "cpu"; + ethernet = <ð1>; + phy-mode = "2500base-x"; + managed = "in-band-status"; + }; + + switch0port10: port@a { + reg = <0xa>; + label = "dsa"; + phy-mode = "2500base-x"; + managed = "in-band-status"; + link = <&switch1port9 &switch2port9>; + status = "disabled"; + }; + + port-sfp@a { + reg = <0xa>; + label = "sfp"; + sfp = <&sfp>; + phy-mode = "sgmii"; + managed = "in-band-status"; + status = "disabled"; + }; + }; + }; + + switch0@2 { + compatible = "marvell,mv88e6085"; + reg = <0x2 0>; + dsa,member = <0 0>; |