Add device tree based on evaluation board pcb110.
Signed-off-by: Horatiu Vultur horatiu.vultur@microchip.com --- MAINTAINERS | 1 + arch/mips/dts/jr2_pcb110.dts | 74 +++++++++++++++++ arch/mips/dts/mscc,jr2.dtsi | 187 +++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 262 insertions(+) create mode 100644 arch/mips/dts/jr2_pcb110.dts create mode 100644 arch/mips/dts/mscc,jr2.dtsi
diff --git a/MAINTAINERS b/MAINTAINERS index 495d3e5..f05c36b 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -521,6 +521,7 @@ F: arch/mips/mach-mscc/ F: arch/mips/dts/luton* F: arch/mips/dts/mscc* F: arch/mips/dts/ocelot* +F: arch/mips/dts/jr2* F: board/mscc/ F: configs/mscc* F: drivers/gpio/mscc_sgpio.c diff --git a/arch/mips/dts/jr2_pcb110.dts b/arch/mips/dts/jr2_pcb110.dts new file mode 100644 index 0000000..54b8988 --- /dev/null +++ b/arch/mips/dts/jr2_pcb110.dts @@ -0,0 +1,74 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2018 Microsemi Corporation + */ + +/dts-v1/; +#include "mscc,jr2.dtsi" + +/ { + model = "Jaguar2 Cu8-Sfp16 PCB110 Reference Board"; + compatible = "mscc,jr2-pcb110", "mscc,jr2"; + + aliases { + spi0 = &spi0; + serial0 = &uart0; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; + + gpio-leds { + compatible = "gpio-leds"; + + status_green { + label = "pcb110:green:status"; + gpios = <&gpio 12 0>; + default-state = "on"; + }; + + status_red { + label = "pcb110:red:status"; + gpios = <&gpio 13 0>; + default-state = "off"; + }; + }; +}; + +&uart0 { + status = "okay"; +}; + +&spi0 { + status = "okay"; + spi-flash@0 { + compatible = "spi-flash"; + spi-max-frequency = <18000000>; /* input clock */ + reg = <0>; /* CS0 */ + }; +}; + +&gpio { + /* SPIO only use DO, CLK, no inputs */ + sgpio1_pins: sgpio1-pins { + pins = "GPIO_4", "GPIO_5"; + function = "sio1"; + }; +}; + +&sgpio { + status = "okay"; + sgpio-ports = <0x00ffffff>; +}; + +&sgpio1 { + status = "okay"; + sgpio-ports = <0x00ff0000>; +}; + +&sgpio2 { + status = "okay"; + sgpio-ports = <0x3f00ffff>; + gpio-ranges = <&sgpio2 0 0 96>; +}; diff --git a/arch/mips/dts/mscc,jr2.dtsi b/arch/mips/dts/mscc,jr2.dtsi new file mode 100644 index 0000000..27baecc --- /dev/null +++ b/arch/mips/dts/mscc,jr2.dtsi @@ -0,0 +1,187 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2018 Microsemi Corporation + */ + +/ { + #address-cells = <1>; + #size-cells = <1>; + compatible = "mscc,jr2"; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + compatible = "mips,mips24KEc"; + device_type = "cpu"; + clocks = <&cpu_clk>; + reg = <0>; + }; + }; + + aliases { + serial0 = &uart0; + }; + + cpuintc: interrupt-controller@0 { + #address-cells = <0>; + #interrupt-cells = <1>; + interrupt-controller; + compatible = "mti,cpu-interrupt-controller"; + }; + + cpu_clk: cpu-clock { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <500000000>; + }; + + ahb_clk: ahb-clk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <250000000>; + }; + + ahb { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x70000000 0x2000000>; + + interrupt-parent = <&intc>; + + cpu_ctrl: syscon@0 { + compatible = "mscc,jr2-cpu-syscon", "syscon"; + reg = <0x0 0x2c>; + }; + + intc: interrupt-controller@70 { + compatible = "mscc,jr2-icpu-intr"; + reg = <0x70 0x94>; + #interrupt-cells = <1>; + interrupt-controller; + interrupt-parent = <&cpuintc>; + interrupts = <2>; + }; + + uart0: serial@100000 { + pinctrl-0 = <&uart_pins>; + pinctrl-names = "default"; + compatible = "ns16550a"; + reg = <0x100000 0x20>; + interrupts = <6>; + clocks = <&ahb_clk>; + reg-io-width = <4>; + reg-shift = <2>; + + status = "disabled"; + }; + + uart2: serial@100800 { + pinctrl-0 = <&uart2_pins>; + pinctrl-names = "default"; + compatible = "ns16550a"; + reg = <0x100800 0x20>; + interrupts = <7>; + clocks = <&ahb_clk>; + reg-io-width = <4>; + reg-shift = <2>; + + status = "disabled"; + }; + + spi0: spi-master@101000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "snps,dw-apb-ssi"; + reg = <0x101000 0x40>; + num-chipselect = <4>; + bus-num = <0>; + reg-io-width = <4>; + reg-shift = <2>; + spi-max-frequency = <18000000>; /* input clock */ + clocks = <&ahb_clk>; + + status = "disabled"; + }; + + reset@1010008 { + compatible = "mscc,jr2-chip-reset"; + reg = <0x1010008 0x4>; + }; + + gpio: pinctrl@1070034 { + compatible = "mscc,jaguar2-pinctrl"; + reg = <0x1010038 0x90>; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&gpio 0 0 64>; + + sgpio_pins: sgpio-pins { + pins = "GPIO_0", "GPIO_1", "GPIO_2", "GPIO_3"; + function = "sio"; + }; + + sgpio1_pins: sgpio1-pins { + pins = "GPIO_4", "GPIO_5", "GPIO_12", "GPIO_13"; + function = "sio1"; + }; + + sgpio2_pins: sgpio2-pins { + pins = "GPIO_30", "GPIO_31", + "GPIO_32", "GPIO_33"; + function = "sio2"; + }; + + uart_pins: uart-pins { + pins = "GPIO_10", "GPIO_11"; + function = "uart"; + }; + + uart2_pins: uart2-pins { + pins = "GPIO_24", "GPIO_25"; + function = "uart2"; + }; + }; + + sgpio: gpio@1010150 { + compatible = "mscc,ocelot-sgpio"; + status = "disabled"; + pinctrl-0 = <&sgpio_pins>; + pinctrl-names = "default"; + reg = <0x1010150 0x100>; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&sgpio 0 0 64>; + gpio-bank-name = "sgpio0_"; + sgpio-clock = <0x14>; + }; + + sgpio1: gpio@101025c { + compatible = "mscc,ocelot-sgpio"; + status = "disabled"; + pinctrl-0 = <&sgpio1_pins>; + pinctrl-names = "default"; + reg = <0x101025c 0x100>; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&sgpio1 0 0 64>; + gpio-bank-name = "sgpio1_"; + sgpio-clock = <0x14>; + }; + + sgpio2: gpio@1010368 { + compatible = "mscc,ocelot-sgpio"; + status = "disabled"; + pinctrl-0 = <&sgpio2_pins>; + pinctrl-names = "default"; + reg = <0x1010368 0x100>; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&sgpio2 0 0 64>; + gpio-bank-name = "sgpio2_"; + sgpio-clock = <0x14>; + }; + }; +};