From 842b6b16f5178c66da0959a935dafa80a979b745 Mon Sep 17 00:00:00 2001 From: Joshua Henderson Date: Wed, 13 Jan 2016 18:15:46 -0700 Subject: [PATCH] MIPS: dts: Add initial DTS for the PIC32MZDA Starter Kit This adds basic DTS configuration for the PIC32MZDA chip and in turn the PIC32MZDA Starter Kit. Signed-off-by: Joshua Henderson Cc: Rob Herring Cc: Pawel Moll Cc: Mark Rutland Cc: Ian Campbell Cc: Kumar Gala Cc: Andrew Bresticker Cc: Paul Burton Cc: linux-kernel@vger.kernel.org Cc: linux-mips@linux-mips.org Cc: devicetree@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/12104/ Signed-off-by: Ralf Baechle --- arch/mips/boot/dts/Makefile | 1 + arch/mips/boot/dts/pic32/Makefile | 12 + arch/mips/boot/dts/pic32/pic32mzda-clk.dtsi | 236 ++++++++++++++++ arch/mips/boot/dts/pic32/pic32mzda.dtsi | 281 ++++++++++++++++++++ arch/mips/boot/dts/pic32/pic32mzda_sk.dts | 151 +++++++++++ arch/mips/pic32/Kconfig | 16 ++ 6 files changed, 697 insertions(+) create mode 100644 arch/mips/boot/dts/pic32/Makefile create mode 100644 arch/mips/boot/dts/pic32/pic32mzda-clk.dtsi create mode 100644 arch/mips/boot/dts/pic32/pic32mzda.dtsi create mode 100644 arch/mips/boot/dts/pic32/pic32mzda_sk.dts diff --git a/arch/mips/boot/dts/Makefile b/arch/mips/boot/dts/Makefile index a0bf516ec394..fc7a0a98e9bf 100644 --- a/arch/mips/boot/dts/Makefile +++ b/arch/mips/boot/dts/Makefile @@ -4,6 +4,7 @@ dts-dirs += ingenic dts-dirs += lantiq dts-dirs += mti dts-dirs += netlogic +dts-dirs += pic32 dts-dirs += qca dts-dirs += ralink dts-dirs += xilfpga diff --git a/arch/mips/boot/dts/pic32/Makefile b/arch/mips/boot/dts/pic32/Makefile new file mode 100644 index 000000000000..7ac790551ec9 --- /dev/null +++ b/arch/mips/boot/dts/pic32/Makefile @@ -0,0 +1,12 @@ +dtb-$(CONFIG_DTB_PIC32_MZDA_SK) += pic32mzda_sk.dtb + +dtb-$(CONFIG_DTB_PIC32_NONE) += \ + pic32mzda_sk.dtb + +obj-y += $(patsubst %.dtb, %.dtb.o, $(dtb-y)) + +# Force kbuild to make empty built-in.o if necessary +obj- += dummy.o + +always := $(dtb-y) +clean-files := *.dtb *.dtb.S diff --git a/arch/mips/boot/dts/pic32/pic32mzda-clk.dtsi b/arch/mips/boot/dts/pic32/pic32mzda-clk.dtsi new file mode 100644 index 000000000000..ef1335012f43 --- /dev/null +++ b/arch/mips/boot/dts/pic32/pic32mzda-clk.dtsi @@ -0,0 +1,236 @@ +/* + * Device Tree Source for PIC32MZDA clock data + * + * Purna Chandra Mandal + * Copyright (C) 2015 Microchip Technology Inc. All rights reserved. + * + * Licensed under GPLv2 or later. + */ + +/* all fixed rate clocks */ + +/ { + POSC:posc_clk { /* On-chip primary oscillator */ + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <24000000>; + }; + + FRC:frc_clk { /* internal FRC oscillator */ + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <8000000>; + }; + + BFRC:bfrc_clk { /* internal backup FRC oscillator */ + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <8000000>; + }; + + LPRC:lprc_clk { /* internal low-power FRC oscillator */ + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <32000>; + }; + + /* UPLL provides clock to USBCORE */ + UPLL:usb_phy_clk { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <24000000>; + clock-output-names = "usbphy_clk"; + }; + + TxCKI:txcki_clk { /* external clock input on TxCLKI pin */ + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <4000000>; + status = "disabled"; + }; + + /* external clock input on REFCLKIx pin */ + REFIx:refix_clk { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <24000000>; + status = "disabled"; + }; + + /* PIC32 specific clks */ + pic32_clktree { + #address-cells = <1>; + #size-cells = <1>; + reg = <0x1f801200 0x200>; + compatible = "microchip,pic32mzda-clk"; + ranges = <0 0x1f801200 0x200>; + + /* secondary oscillator; external input on SOSCI pin */ + SOSC:sosc_clk@0 { + #clock-cells = <0>; + compatible = "microchip,pic32mzda-sosc"; + clock-frequency = <32768>; + reg = <0x000 0x10>, /* enable reg */ + <0x1d0 0x10>; /* status reg */ + microchip,bit-mask = <0x02>; /* enable mask */ + microchip,status-bit-mask = <0x10>; /* status-mask*/ + }; + + FRCDIV:frcdiv_clk { + #clock-cells = <0>; + compatible = "microchip,pic32mzda-frcdivclk"; + clocks = <&FRC>; + clock-output-names = "frcdiv_clk"; + }; + + /* System PLL clock */ + SYSPLL:spll_clk@020 { + #clock-cells = <0>; + compatible = "microchip,pic32mzda-syspll"; + reg = <0x020 0x10>, /* SPLL register */ + <0x1d0 0x10>; /* CLKSTAT register */ + clocks = <&POSC>, <&FRC>; + clock-output-names = "sys_pll"; + microchip,status-bit-mask = <0x80>; /* SPLLRDY */ + }; + + /* system clock; mux with postdiv & slew */ + SYSCLK:sys_clk@1c0 { + #clock-cells = <0>; + compatible = "microchip,pic32mzda-sysclk-v2"; + reg = <0x1c0 0x04>; /* SLEWCON */ + clocks = <&FRCDIV>, <&SYSPLL>, <&POSC>, <&SOSC>, + <&LPRC>, <&FRCDIV>; + microchip,clock-indices = <0>, <1>, <2>, <4>, + <5>, <7>; + clock-output-names = "sys_clk"; + }; + + /* Peripheral bus1 clock */ + PBCLK1:pb1_clk@140 { + reg = <0x140 0x10>; + #clock-cells = <0>; + compatible = "microchip,pic32mzda-pbclk"; + clocks = <&SYSCLK>; + clock-output-names = "pb1_clk"; + /* used by system modules, not gateable */ + microchip,ignore-unused; + }; + + /* Peripheral bus2 clock */ + PBCLK2:pb2_clk@150 { + reg = <0x150 0x10>; + #clock-cells = <0>; + compatible = "microchip,pic32mzda-pbclk"; + clocks = <&SYSCLK>; + clock-output-names = "pb2_clk"; + /* avoid gating even if unused */ + microchip,ignore-unused; + }; + + /* Peripheral bus3 clock */ + PBCLK3:pb3_clk@160 { + reg = <0x160 0x10>; + #clock-cells = <0>; + compatible = "microchip,pic32mzda-pbclk"; + clocks = <&SYSCLK>; + clock-output-names = "pb3_clk"; + }; + + /* Peripheral bus4 clock(I/O ports, GPIO) */ + PBCLK4:pb4_clk@170 { + reg = <0x170 0x10>; + #clock-cells = <0>; + compatible = "microchip,pic32mzda-pbclk"; + clocks = <&SYSCLK>; + clock-output-names = "pb4_clk"; + }; + + /* Peripheral bus clock */ + PBCLK5:pb5_clk@180 { + reg = <0x180 0x10>; + #clock-cells = <0>; + compatible = "microchip,pic32mzda-pbclk"; + clocks = <&SYSCLK>; + clock-output-names = "pb5_clk"; + }; + + /* Peripheral Bus6 clock; */ + PBCLK6:pb6_clk@190 { + reg = <0x190 0x10>; + compatible = "microchip,pic32mzda-pbclk"; + clocks = <&SYSCLK>; + #clock-cells = <0>; + }; + + /* Peripheral bus7 clock */ + PBCLK7:pb7_clk@1a0 { + reg = <0x1a0 0x10>; + #clock-cells = <0>; + compatible = "microchip,pic32mzda-pbclk"; + /* CPU is driven by this clock; so named */ + clock-output-names = "cpu_clk"; + clocks = <&SYSCLK>; + }; + + /* Reference Oscillator clock for SPI/I2S */ + REFCLKO1:refo1_clk@80 { + reg = <0x080 0x20>; + #clock-cells = <0>; + compatible = "microchip,pic32mzda-refoclk"; + clocks = <&SYSCLK>, <&PBCLK1>, <&POSC>, <&FRC>, <&LPRC>, + <&SOSC>, <&SYSPLL>, <&REFIx>, <&BFRC>; + microchip,clock-indices = <0>, <1>, <2>, <3>, <4>, + <5>, <7>, <8>, <9>; + clock-output-names = "refo1_clk"; + }; + + /* Reference Oscillator clock for SQI */ + REFCLKO2:refo2_clk@a0 { + reg = <0x0a0 0x20>; + #clock-cells = <0>; + compatible = "microchip,pic32mzda-refoclk"; + clocks = <&SYSCLK>, <&PBCLK1>, <&POSC>, <&FRC>, <&LPRC>, + <&SOSC>, <&SYSPLL>, <&REFIx>, <&BFRC>; + microchip,clock-indices = <0>, <1>, <2>, <3>, <4>, + <5>, <7>, <8>, <9>; + clock-output-names = "refo2_clk"; + }; + + /* Reference Oscillator clock, ADC */ + REFCLKO3:refo3_clk@c0 { + reg = <0x0c0 0x20>; + compatible = "microchip,pic32mzda-refoclk"; + clocks = <&SYSCLK>, <&PBCLK1>, <&POSC>, <&FRC>, <&LPRC>, + <&SOSC>, <&SYSPLL>, <&REFIx>, <&BFRC>; + microchip,clock-indices = <0>, <1>, <2>, <3>, <4>, + <5>, <7>, <8>, <9>; + #clock-cells = <0>; + clock-output-names = "refo3_clk"; + }; + + /* Reference Oscillator clock */ + REFCLKO4:refo4_clk@e0 { + reg = <0x0e0 0x20>; + compatible = "microchip,pic32mzda-refoclk"; + clocks = <&SYSCLK>, <&PBCLK1>, <&POSC>, <&FRC>, <&LPRC>, + <&SOSC>, <&SYSPLL>, <&REFIx>, <&BFRC>; + microchip,clock-indices = <0>, <1>, <2>, <3>, <4>, + <5>, <7>, <8>, <9>; + #clock-cells = <0>; + clock-output-names = "refo4_clk"; + }; + + /* Reference Oscillator clock, LCD */ + REFCLKO5:refo5_clk@100 { + reg = <0x100 0x20>; + compatible = "microchip,pic32mzda-refoclk"; + clocks = <&SYSCLK>,<&PBCLK1>,<&POSC>,<&FRC>,<&LPRC>, + <&SOSC>,<&SYSPLL>,<&REFIx>,<&BFRC>; + microchip,clock-indices = <0>, <1>, <2>, <3>, <4>, + <5>, <7>, <8>, <9>; + #clock-cells = <0>; + clock-output-names = "refo5_clk"; + }; + }; +}; diff --git a/arch/mips/boot/dts/pic32/pic32mzda.dtsi b/arch/mips/boot/dts/pic32/pic32mzda.dtsi new file mode 100644 index 000000000000..ad9e3318c2ce --- /dev/null +++ b/arch/mips/boot/dts/pic32/pic32mzda.dtsi @@ -0,0 +1,281 @@ +/* + * Copyright (C) 2015 Microchip Technology Inc. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#include + +#include "pic32mzda-clk.dtsi" + +/ { + #address-cells = <1>; + #size-cells = <1>; + interrupt-parent = <&evic>; + + aliases { + gpio0 = &gpio0; + gpio1 = &gpio1; + gpio2 = &gpio2; + gpio3 = &gpio3; + gpio4 = &gpio4; + gpio5 = &gpio5; + gpio6 = &gpio6; + gpio7 = &gpio7; + gpio8 = &gpio8; + gpio9 = &gpio9; + serial0 = &uart1; + serial1 = &uart2; + serial2 = &uart3; + serial3 = &uart4; + serial4 = &uart5; + serial5 = &uart6; + }; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + compatible = "mti,mips14KEc"; + device_type = "cpu"; + }; + }; + + soc { + compatible = "microchip,pic32mzda-infra"; + interrupts = <0 IRQ_TYPE_EDGE_RISING>; + }; + + evic: interrupt-controller@1f810000 { + compatible = "microchip,pic32mzda-evic"; + interrupt-controller; + #interrupt-cells = <2>; + reg = <0x1f810000 0x1000>; + microchip,external-irqs = <3 8 13 18 23>; + }; + + pic32_pinctrl: pinctrl@1f801400{ + #address-cells = <1>; + #size-cells = <1>; + compatible = "microchip,pic32mzda-pinctrl"; + reg = <0x1f801400 0x400>; + clocks = <&PBCLK1>; + }; + + /* PORTA */ + gpio0: gpio0@1f860000 { + compatible = "microchip,pic32mzda-gpio"; + reg = <0x1f860000 0x100>; + interrupts = <118 IRQ_TYPE_LEVEL_HIGH>; + #gpio-cells = <2>; + gpio-controller; + interrupt-controller; + #interrupt-cells = <2>; + clocks = <&PBCLK4>; + microchip,gpio-bank = <0>; + gpio-ranges = <&pic32_pinctrl 0 0 16>; + }; + + /* PORTB */ + gpio1: gpio1@1f860100 { + compatible = "microchip,pic32mzda-gpio"; + reg = <0x1f860100 0x100>; + interrupts = <119 IRQ_TYPE_LEVEL_HIGH>; + #gpio-cells = <2>; + gpio-controller; + interrupt-controller; + #interrupt-cells = <2>; + clocks = <&PBCLK4>; + microchip,gpio-bank = <1>; + gpio-ranges = <&pic32_pinctrl 0 16 16>; + }; + + /* PORTC */ + gpio2: gpio2@1f860200 { + compatible = "microchip,pic32mzda-gpio"; + reg = <0x1f860200 0x100>; + interrupts = <120 IRQ_TYPE_LEVEL_HIGH>; + #gpio-cells = <2>; + gpio-controller; + interrupt-controller; + #interrupt-cells = <2>; + clocks = <&PBCLK4>; + microchip,gpio-bank = <2>; + gpio-ranges = <&pic32_pinctrl 0 32 16>; + }; + + /* PORTD */ + gpio3: gpio3@1f860300 { + compatible = "microchip,pic32mzda-gpio"; + reg = <0x1f860300 0x100>; + interrupts = <121 IRQ_TYPE_LEVEL_HIGH>; + #gpio-cells = <2>; + gpio-controller; + interrupt-controller; + #interrupt-cells = <2>; + clocks = <&PBCLK4>; + microchip,gpio-bank = <3>; + gpio-ranges = <&pic32_pinctrl 0 48 16>; + }; + + /* PORTE */ + gpio4: gpio4@1f860400 { + compatible = "microchip,pic32mzda-gpio"; + reg = <0x1f860400 0x100>; + interrupts = <122 IRQ_TYPE_LEVEL_HIGH>; + #gpio-cells = <2>; + gpio-controller; + interrupt-controller; + #interrupt-cells = <2>; + clocks = <&PBCLK4>; + microchip,gpio-bank = <4>; + gpio-ranges = <&pic32_pinctrl 0 64 16>; + }; + + /* PORTF */ + gpio5: gpio5@1f860500 { + compatible = "microchip,pic32mzda-gpio"; + reg = <0x1f860500 0x100>; + interrupts = <123 IRQ_TYPE_LEVEL_HIGH>; + #gpio-cells = <2>; + gpio-controller; + interrupt-controller; + #interrupt-cells = <2>; + clocks = <&PBCLK4>; + microchip,gpio-bank = <5>; + gpio-ranges = <&pic32_pinctrl 0 80 16>; + }; + + /* PORTG */ + gpio6: gpio6@1f860600 { + compatible = "microchip,pic32mzda-gpio"; + reg = <0x1f860600 0x100>; + interrupts = <124 IRQ_TYPE_LEVEL_HIGH>; + #gpio-cells = <2>; + gpio-controller; + interrupt-controller; + #interrupt-cells = <2>; + clocks = <&PBCLK4>; + microchip,gpio-bank = <6>; + gpio-ranges = <&pic32_pinctrl 0 96 16>; + }; + + /* PORTH */ + gpio7: gpio7@1f860700 { + compatible = "microchip,pic32mzda-gpio"; + reg = <0x1f860700 0x100>; + interrupts = <125 IRQ_TYPE_LEVEL_HIGH>; + #gpio-cells = <2>; + gpio-controller; + interrupt-controller; + #interrupt-cells = <2>; + clocks = <&PBCLK4>; + microchip,gpio-bank = <7>; + gpio-ranges = <&pic32_pinctrl 0 112 16>; + }; + + /* PORTI does not exist */ + + /* PORTJ */ + gpio8: gpio8@1f860800 { + compatible = "microchip,pic32mzda-gpio"; + reg = <0x1f860800 0x100>; + interrupts = <126 IRQ_TYPE_LEVEL_HIGH>; + #gpio-cells = <2>; + gpio-controller; + interrupt-controller; + #interrupt-cells = <2>; + clocks = <&PBCLK4>; + microchip,gpio-bank = <8>; + gpio-ranges = <&pic32_pinctrl 0 128 16>; + }; + + /* PORTK */ + gpio9: gpio9@1f860900 { + compatible = "microchip,pic32mzda-gpio"; + reg = <0x1f860900 0x100>; + interrupts = <127 IRQ_TYPE_LEVEL_HIGH>; + #gpio-cells = <2>; + gpio-controller; + interrupt-controller; + #interrupt-cells = <2>; + clocks = <&PBCLK4>; + microchip,gpio-bank = <9>; + gpio-ranges = <&pic32_pinctrl 0 144 16>; + }; + + sdhci: sdhci@1f8ec000 { + compatible = "microchip,pic32mzda-sdhci"; + reg = <0x1f8ec000 0x100>; + interrupts = <191 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&REFCLKO4>, <&PBCLK5>; + clock-names = "base_clk", "sys_clk"; + bus-width = <4>; + cap-sd-highspeed; + status = "disabled"; + }; + + uart1: serial@1f822000 { + compatible = "microchip,pic32mzda-uart"; + reg = <0x1f822000 0x50>; + interrupts = <112 IRQ_TYPE_LEVEL_HIGH>, + <113 IRQ_TYPE_LEVEL_HIGH>, + <114 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&PBCLK2>; + status = "disabled"; + }; + + uart2: serial@1f822200 { + compatible = "microchip,pic32mzda-uart"; + reg = <0x1f822200 0x50>; + interrupts = <145 IRQ_TYPE_LEVEL_HIGH>, + <146 IRQ_TYPE_LEVEL_HIGH>, + <147 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&PBCLK2>; + status = "disabled"; + }; + + uart3: serial@1f822400 { + compatible = "microchip,pic32mzda-uart"; + reg = <0x1f822400 0x50>; + interrupts = <157 IRQ_TYPE_LEVEL_HIGH>, + <158 IRQ_TYPE_LEVEL_HIGH>, + <159 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&PBCLK2>; + status = "disabled"; + }; + + uart4: serial@1f822600 { + compatible = "microchip,pic32mzda-uart"; + reg = <0x1f822600 0x50>; + interrupts = <170 IRQ_TYPE_LEVEL_HIGH>, + <171 IRQ_TYPE_LEVEL_HIGH>, + <172 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&PBCLK2>; + status = "disabled"; + }; + + uart5: serial@1f822800 { + compatible = "microchip,pic32mzda-uart"; + reg = <0x1f822800 0x50>; + interrupts = <179 IRQ_TYPE_LEVEL_HIGH>, + <180 IRQ_TYPE_LEVEL_HIGH>, + <181 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&PBCLK2>; + status = "disabled"; + }; + + uart6: serial@1f822A00 { + compatible = "microchip,pic32mzda-uart"; + reg = <0x1f822A00 0x50>; + interrupts = <188 IRQ_TYPE_LEVEL_HIGH>, + <189 IRQ_TYPE_LEVEL_HIGH>, + <190 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&PBCLK2>; + status = "disabled"; + }; +}; diff --git a/arch/mips/boot/dts/pic32/pic32mzda_sk.dts b/arch/mips/boot/dts/pic32/pic32mzda_sk.dts new file mode 100644 index 000000000000..5d434a50e85b --- /dev/null +++ b/arch/mips/boot/dts/pic32/pic32mzda_sk.dts @@ -0,0 +1,151 @@ +/* + * Copyright (C) 2015 Microchip Technology Inc. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +/dts-v1/; + +#include +#include + +#include "pic32mzda.dtsi" + +/ { + compatible = "microchip,pic32mzda-sk", "microchip,pic32mzda"; + model = "Microchip PIC32MZDA Starter Kit"; + + memory { + device_type = "memory"; + reg = <0x08000000 0x08000000>; + }; + + chosen { + bootargs = "earlyprintk=ttyPIC1,115200n8r console=ttyPIC1,115200n8"; + }; + + leds0 { + compatible = "gpio-leds"; + pinctrl-names = "default"; + pinctrl-0 = <&user_leds_s0>; + + led@1 { + label = "pic32mzda_sk:red:led1"; + gpios = <&gpio7 0 GPIO_ACTIVE_HIGH>; + linux,default-trigger = "heartbeat"; + }; + + led@2 { + label = "pic32mzda_sk:yellow:led2"; + gpios = <&gpio7 1 GPIO_ACTIVE_HIGH>; + linux,default-trigger = "mmc0"; + }; + + led@3 { + label = "pic32mzda_sk:green:led3"; + gpios = <&gpio7 2 GPIO_ACTIVE_HIGH>; + default-state = "on"; + }; + }; + + keys0 { + compatible = "gpio-keys"; + pinctrl-0 = <&user_buttons_s0>; + pinctrl-names = "default"; + + #address-cells = <1>; + #size-cells = <0>; + + button@sw1 { + label = "ESC"; + linux,code = <1>; + gpios = <&gpio1 12 0>; + }; + + button@sw2 { + label = "Home"; + linux,code = <102>; + gpios = <&gpio1 13 0>; + }; + + button@sw3 { + label = "Menu"; + linux,code = <139>; + gpios = <&gpio1 14 0>; + }; + }; +}; + +&uart2 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart2>; + status = "okay"; +}; + +&uart4 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart4>; + status = "okay"; +}; + +&sdhci { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_sdhc1>; + status = "okay"; + assigned-clocks = <&REFCLKO2>,<&REFCLKO4>,<&REFCLKO5>; + assigned-clock-rates = <50000000>,<25000000>,<40000000>; +}; + +&pic32_pinctrl { + + pinctrl_sdhc1: sdhc1_pins0 { + pins = "A6", "D4", "G13", "G12", "G14", "A7", "A0"; + microchip,digital; + }; + + user_leds_s0: user_leds_s0 { + pins = "H0", "H1", "H2"; + output-low; + microchip,digital; + }; + + user_buttons_s0: user_buttons_s0 { + pins = "B12", "B13", "B14"; + microchip,digital; + input-enable; + bias-pull-up; + }; + + pinctrl_uart2: pinctrl_uart2 { + uart2-tx { + pins = "G9"; + function = "U2TX"; + microchip,digital; + output-high; + }; + uart2-rx { + pins = "B0"; + function = "U2RX"; + microchip,digital; + input-enable; + }; + }; + + pinctrl_uart4: uart4-0 { + uart4-tx { + pins = "C3"; + function = "U4TX"; + microchip,digital; + output-high; + }; + uart4-rx { + pins = "E8"; + function = "U4RX"; + microchip,digital; + input-enable; + }; + }; +}; diff --git a/arch/mips/pic32/Kconfig b/arch/mips/pic32/Kconfig index 9be43c19a2af..fde56a8b85ca 100644 --- a/arch/mips/pic32/Kconfig +++ b/arch/mips/pic32/Kconfig @@ -32,4 +32,20 @@ config PIC32MZDA endchoice +choice + prompt "Devicetree selection" + default DTB_PIC32_NONE + help + Select the devicetree. + +config DTB_PIC32_NONE + bool "None" + +config DTB_PIC32_MZDA_SK + bool "PIC32MZDA Starter Kit" + depends on PIC32MZDA + select BUILTIN_DTB + +endchoice + endif # MACH_PIC32 -- 2.34.1