This adds basic DTS configuration for the PIC32MZDA and in turn the
PIC32MZDA Starter Kit.
Signed-off-by: Joshua Henderson <joshua.hender...@microchip.com>
---
arch/mips/boot/dts/Makefile | 1 +
arch/mips/boot/dts/pic32/Makefile | 12 ++
arch/mips/boot/dts/pic32/pic32mzda-clk.dtsi | 251 ++++++++++++++++++++++++
arch/mips/boot/dts/pic32/pic32mzda.dtsi | 280 +++++++++++++++++++++++++++
arch/mips/boot/dts/pic32/pic32mzda_sk.dts | 150 ++++++++++++++
arch/mips/pic32/Kconfig | 16 ++
6 files changed, 710 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 a0bf516..fc7a0a9 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 0000000..7ac7905
--- /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 0000000..fa1d2bb
--- /dev/null
+++ b/arch/mips/boot/dts/pic32/pic32mzda-clk.dtsi
@@ -0,0 +1,251 @@
+/*
+ * Device Tree Source for PIC32MZDA clock data
+ *
+ * Purna Chandra Mandal <purna.man...@microchip.com>
+ * 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 UTMI 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,pic32-clk";
+ interrupts = <12>;
+ ranges;
+
+ /* secondary oscillator; external input on SOSCI pin */
+ SOSC:sosc_clk {
+ #clock-cells = <0>;
+ compatible = "microchip,pic32-sosc";
+ clock-frequency = <32768>;
+ reg = <0x1f801200 0x10 /* enable reg */
+ 0x1f8013d0 0x10>; /* status reg */
+ microchip,bit-mask = <0x02>; /* enable mask */
+ microchip,status-bit-mask = <0x10>; /* status-mask*/
+ };
+
+ FRCDIV:frcdiv_clk {
+ #clock-cells = <0>;
+ compatible = "microchip,pic32-frcdivclk";
+ clocks = <&FRC>;
+ clock-output-names = "frcdiv_clk";
+ };
+
+ /* System PLL clock */
+ SYSPLL:spll_clk {
+ #clock-cells = <0>;
+ compatible = "microchip,pic32-syspll";
+ reg = <0x1f801220 0x10 /* SPLL register */
+ 0x1f8013d0 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 {
+ #clock-cells = <0>;
+ compatible = "microchip,pic32-sysclk-v2";
+ reg = <0x1f8013c0 0x04>; /* SLEWCON */
+ clocks = <&FRCDIV>, <&SYSPLL>, <&POSC>, <&SOSC>,
+ <&LPRC>, <&FRCDIV>;
+ microchip,clock-indices = <0>, <1>, <2>, <4>, <5>, <7>;
+ clock-output-names = "sys_clk";
+ };
+
+ /* DDR Ctrl & DDR PHY PLL */
+ MPLL: CLK_MPLL {
+ #clock-cells = <0>;
+ compatible = "microchip,pic32-mpll";
+ reg = <0x1f800100 0x04>; /* CFGMPLL */
+ clocks = <&POSC>;
+ clock-output-names = "pic32-mpll";
+ status = "disabled";
+ };
+
+ /* Peripheral bus1 clock */
+ PBCLK1:pb1_clk {
+ reg = <0x1f801340 0x10>;
+ #clock-cells = <0>;
+ compatible = "microchip,pic32-pbclk";
+ clocks = <&SYSCLK>;
+ clock-output-names = "pb1_clk";
+ /* used by system modules, not gateable */
+ microchip,ignore-unused;
+ };
+
+ /* Peripheral bus2 clock */
+ PBCLK2:pb2_clk {
+ reg = <0x1f801350 0x10>;
+ #clock-cells = <0>;
+ compatible = "microchip,pic32-pbclk";
+ clocks = <&SYSCLK>;
+ clock-output-names = "pb2_clk";
+ /* avoid gating even if unused */
+ microchip,ignore-unused;
+ };
+
+ /* Peripheral bus3 clock */
+ PBCLK3:pb3_clk {
+ reg = <0x1f801360 0x10>;
+ #clock-cells = <0>;
+ compatible = "microchip,pic32-pbclk";
+ clocks = <&SYSCLK>;
+ clock-output-names = "pb3_clk";
+ };
+
+ /* Peripheral bus4 clock(I/O ports, GPIO) */
+ PBCLK4:pb4_clk {
+ reg = <0x1f801370 0x10>;
+ #clock-cells = <0>;
+ compatible = "microchip,pic32-pbclk";
+ clocks = <&SYSCLK>;
+ clock-output-names = "pb4_clk";
+ };
+
+ /* Peripheral bus clock */
+ PBCLK5:pb5_clk {
+ reg = <0x1f801380 0x10>;
+ #clock-cells = <0>;
+ compatible = "microchip,pic32-pbclk";
+ clocks = <&SYSCLK>;
+ clock-output-names = "pb5_clk";
+ };
+
+ /* Peripheral Bus6 clock; */
+ PBCLK6:pb6_clk {
+ reg = <0x1f801390 0x10>;
+ compatible = "microchip,pic32-pbclk";
+ clocks = <&SYSCLK>;
+ #clock-cells = <0>;
+ };
+
+ /* Peripheral bus7 clock */
+ PBCLK7:pb7_clk {
+ reg = <0x1f8013A0 0x10>;
+ #clock-cells = <0>;
+ compatible = "microchip,pic32-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 {
+ reg = <0x1f801280 0x20>;
+ #clock-cells = <0>;
+ compatible = "microchip,pic32-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";
+ clock-frequency = <10000000>; /* 10Mhz for I2S MCLK */
+ };
+
+ /* Reference Oscillator clock for SQI */
+ REFCLKO2:refo2_clk {
+ reg = <0x1f8012A0 0x20>;
+ #clock-cells = <0>;
+ compatible = "microchip,pic32-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";
+ clock-frequency = <50000000>; /* 50MHz for SQI */
+ };
+
+ /* Reference Oscillator clock, ADC */
+ REFCLKO3:refo3_clk {
+ reg = <0x1f8012C0 0x20>;
+ compatible = "microchip,pic32-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";
+ clock-frequency = <10000000>; /* 1Mhz */
+ };
+
+ /* Reference Oscillator clock */
+ REFCLKO4:refo4_clk {
+ reg = <0x1f8012E0 0x20>;
+ compatible = "microchip,pic32-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";
+ clock-frequency = <25000000>; /* 25Mhz */
+ };
+
+ /* Reference Oscillator clock, LCD */
+ REFCLKO5:refo5_clk {
+ reg = <0x1f801300 0x20>;
+ compatible = "microchip,pic32-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";
+ clock-frequency = <40000000>; /* 40Mhz */
+ };
+ };
+};
diff --git a/arch/mips/boot/dts/pic32/pic32mzda.dtsi
b/arch/mips/boot/dts/pic32/pic32mzda.dtsi
new file mode 100644
index 0000000..08d3156
--- /dev/null
+++ b/arch/mips/boot/dts/pic32/pic32mzda.dtsi
@@ -0,0 +1,280 @@
+/*
+ * 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 <dt-bindings/interrupt-controller/microchip,pic32mz-evic.h>
+
+#include "pic32mzda-clk.dtsi"
+
+/ {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ interrupt-parent = <&evic>;
+
+ aliases {
+ gpio0 = &pioA;
+ gpio1 = &pioB;
+ gpio2 = &pioC;
+ gpio3 = &pioD;
+ gpio4 = &pioE;
+ gpio5 = &pioF;
+ gpio6 = &pioG;
+ gpio7 = &pioH;
+ gpio8 = &pioJ;
+ gpio9 = &pioK;
+ serial1 = &usart2;
+ serial3 = &usart4;
+ serial5 = &usart6;
+ };
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu@0 {
+ compatible = "mti,mips14KEc";
+ device_type = "cpu";
+ };
+ };
+
+ evic: interrupt-controller@1f810000 {
+ compatible = "microchip,evic-v2";
+ interrupt-controller;
+ #interrupt-cells = <3>;
+ reg = <0x1f810000 0x1000>;
+ device_type="evic-v2";
+ };
+
+ pic32_pinctrl: pinctrl@1f800000{
+ #address-cells = <1>;
+ #size-cells = <1>;
+ #gpio-range-cells = <3>;
+ compatible = "microchip,pic32-pinctrl", "simple-bus";
+ ranges;
+ reg = <0x1f801400 0x100>, /* in */
+ <0x1f801500 0x200>; /* out */
+ clocks = <&PBCLK1>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-ranges = <&pic32_pinctrl 0 0 32
+ &pic32_pinctrl 0 32 32
+ &pic32_pinctrl 0 64 32
+ &pic32_pinctrl 0 96 32
+ &pic32_pinctrl 0 128 32
+ &pic32_pinctrl 0 160 32
+ &pic32_pinctrl 0 192 32
+ &pic32_pinctrl 0 224 32
+ &pic32_pinctrl 0 256 32
+ &pic32_pinctrl 0 288 32>;
+
+ /* GPIO banks */
+ pioA: gpio@1f860000 {
+ compatible = "microchip,pic32-gpio";
+ reg = <0x1f860000 0x24>;
+ interrupts = <PORTA_INPUT_CHANGE_INTERRUPT
+ DEFAULT_INT_PRI IRQ_TYPE_LEVEL_HIGH>;
+ #gpio-cells = <2>;
+ gpio-controller;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ clocks = <&PBCLK4>;
+ };
+
+ pioB: gpio@1f860100 {
+ compatible = "microchip,pic32-gpio";
+ reg = <0x1f860100 0x24>;
+ interrupts = <PORTB_INPUT_CHANGE_INTERRUPT
+ DEFAULT_INT_PRI IRQ_TYPE_LEVEL_HIGH>;
+ #gpio-cells = <2>;
+ gpio-controller;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ clocks = <&PBCLK4>;
+ };
+
+ pioC: gpio@1f860200 {
+ compatible = "microchip,pic32-gpio";
+ reg = <0x1f860200 0x24>;
+ interrupts = <PORTC_INPUT_CHANGE_INTERRUPT
+ DEFAULT_INT_PRI IRQ_TYPE_LEVEL_HIGH>;
+ #gpio-cells = <2>;
+ gpio-controller;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ clocks = <&PBCLK4>;
+ };
+
+ pioD: gpio@1f860300 {
+ compatible = "microchip,pic32-gpio";
+ reg = <0x1f860300 0x24>;
+ interrupts = <PORTD_INPUT_CHANGE_INTERRUPT
+ DEFAULT_INT_PRI IRQ_TYPE_LEVEL_HIGH>;
+ #gpio-cells = <2>;
+ gpio-controller;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ clocks = <&PBCLK4>;
+ };
+
+ pioE: gpio@1f860400 {
+ compatible = "microchip,pic32-gpio";
+ reg = <0x1f860400 0x24>;
+ interrupts = <PORTE_INPUT_CHANGE_INTERRUPT
+ DEFAULT_INT_PRI IRQ_TYPE_LEVEL_HIGH>;
+ #gpio-cells = <2>;
+ gpio-controller;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ clocks = <&PBCLK4>;
+ };
+
+ pioF: gpio@1f860500 {
+ compatible = "microchip,pic32-gpio";
+ reg = <0x1f860500 0x24>;
+ interrupts = <PORTF_INPUT_CHANGE_INTERRUPT
+ DEFAULT_INT_PRI IRQ_TYPE_LEVEL_HIGH>;
+ #gpio-cells = <2>;
+ gpio-controller;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ clocks = <&PBCLK4>;
+ };
+
+ pioG: gpio@1f860600 {
+ compatible = "microchip,pic32-gpio";
+ reg = <0x1f860600 0x24>;
+ interrupts = <PORTG_INPUT_CHANGE_INTERRUPT
+ DEFAULT_INT_PRI IRQ_TYPE_LEVEL_HIGH>;
+ #gpio-cells = <2>;
+ gpio-controller;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ clocks = <&PBCLK4>;
+ };
+
+ pioH: gpio@1f860700 {
+ compatible = "microchip,pic32-gpio";
+ reg = <0x1f860700 0x24>;
+ interrupts = <PORTH_INPUT_CHANGE_INTERRUPT
+ DEFAULT_INT_PRI IRQ_TYPE_LEVEL_HIGH>;
+ #gpio-cells = <2>;
+ gpio-controller;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ clocks = <&PBCLK4>;
+ };
+
+ /* There is no pioI */
+
+ pioJ: gpio@1f860800 {
+ compatible = "microchip,pic32-gpio";
+ reg = <0x1f860800 0x24>;
+ interrupts = <PORTJ_INPUT_CHANGE_INTERRUPT
+ DEFAULT_INT_PRI IRQ_TYPE_LEVEL_HIGH>;
+ #gpio-cells = <2>;
+ gpio-controller;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ clocks = <&PBCLK4>;
+ };
+
+ pioK: gpio@1f860900 {
+ compatible = "microchip,pic32-gpio";
+ reg = <0x1f860900 0x24>;
+ interrupts = <PORTK_INPUT_CHANGE_INTERRUPT
+ DEFAULT_INT_PRI IRQ_TYPE_LEVEL_HIGH>;
+ #gpio-cells = <2>;
+ gpio-controller;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ clocks = <&PBCLK4>;
+ };
+ };
+
+ sdhci: sdhci@1f8ec000 {
+ compatible = "microchip,pic32-sdhci";
+ reg = <0x1f8ec000 0x100>;
+ interrupts = <SDHC_EVENT DEFAULT_INT_PRI IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&REFCLKO4>, <&PBCLK5>;
+ clock-names = "base_clk", "sys_clk";
+ no-1-8-v;
+ status = "disabled";
+ };
+
+ usart1: serial@1f822000 {
+ compatible = "microchip,pic32-usart";
+ reg = <0x1f822000 0x50>;
+ interrupts = <UART1_FAULT DEFAULT_INT_PRI IRQ_TYPE_LEVEL_HIGH>,
+ <UART1_RECEIVE_DONE DEFAULT_INT_PRI
+ IRQ_TYPE_LEVEL_HIGH>,
+ <UART1_TRANSFER_DONE DEFAULT_INT_PRI
+ IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&PBCLK2>;
+ status = "disabled";
+ };
+
+ usart2: serial@1f822200 {
+ compatible = "microchip,pic32-usart";
+ reg = <0x1f822200 0x50>;
+ interrupts = <UART2_FAULT DEFAULT_INT_PRI IRQ_TYPE_LEVEL_HIGH>,
+ <UART2_RECEIVE_DONE DEFAULT_INT_PRI
+ IRQ_TYPE_LEVEL_HIGH>,
+ <UART2_TRANSFER_DONE DEFAULT_INT_PRI
+ IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&PBCLK2>;
+ status = "disabled";
+ };
+
+ usart3: serial@1f822400 {
+ compatible = "microchip,pic32-usart";
+ reg = <0x1f822400 0x50>;
+ interrupts = <UART3_FAULT DEFAULT_INT_PRI IRQ_TYPE_LEVEL_HIGH>,
+ <UART3_RECEIVE_DONE DEFAULT_INT_PRI
+ IRQ_TYPE_LEVEL_HIGH>,
+ <UART3_TRANSFER_DONE DEFAULT_INT_PRI
+ IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&PBCLK2>;
+ status = "disabled";
+ };
+
+ usart4: serial@1f822600 {
+ compatible = "microchip,pic32-usart";
+ reg = <0x1f822600 0x50>;
+ interrupts = <UART4_FAULT DEFAULT_INT_PRI IRQ_TYPE_LEVEL_HIGH>,
+ <UART4_RECEIVE_DONE DEFAULT_INT_PRI
+ IRQ_TYPE_LEVEL_HIGH>,
+ <UART4_TRANSFER_DONE DEFAULT_INT_PRI
+ IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&PBCLK2>;
+ status = "disabled";
+ };
+
+ usart5: serial@1f822800 {
+ compatible = "microchip,pic32-usart";
+ reg = <0x1f822800 0x50>;
+ interrupts = <UART5_FAULT DEFAULT_INT_PRI IRQ_TYPE_LEVEL_HIGH>,
+ <UART5_RECEIVE_DONE DEFAULT_INT_PRI
+ IRQ_TYPE_LEVEL_HIGH>,
+ <UART5_TRANSFER_DONE DEFAULT_INT_PRI
+ IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&PBCLK2>;
+ status = "disabled";
+ };
+
+ usart6: serial@1f822A00 {
+ compatible = "microchip,pic32-usart";
+ reg = <0x1f822A00 0x50>;
+ interrupts = <UART6_FAULT DEFAULT_INT_PRI IRQ_TYPE_LEVEL_HIGH>,
+ <UART6_RECEIVE_DONE DEFAULT_INT_PRI
+ IRQ_TYPE_LEVEL_HIGH>,
+ <UART6_TRANSFER_DONE DEFAULT_INT_PRI
+ 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 0000000..5c62228
--- /dev/null
+++ b/arch/mips/boot/dts/pic32/pic32mzda_sk.dts
@@ -0,0 +1,150 @@
+/*
+ * 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 <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/pinctrl/pic32mzda.h>
+
+#include "pic32mzda.dtsi"
+
+/ {
+ compatible = "microchip,pic32mzda-sk", "microchip,pic32mzda";
+ model = "Microchip PIC32MZDA Starter Kit";
+
+ memory {
+ device_type = "memory";
+ reg = <0x08000000 0x08000000>;
+ };
+
+ chosen {
+ bootargs = "earlyprintk=ttyS1,115200n8r console=ttyS1,115200n8";
+ };
+
+ leds0 {
+ compatible = "gpio-leds";
+ pinctrl-names = "default";
+ pinctrl-0 = <&user_leds_s0>;
+
+ led@1 {
+ label = "pic32mzda_sk:red:led1";
+ gpios = <&pioH 0 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger = "heartbeat";
+ };
+
+ led@2 {
+ label = "pic32mzda_sk:yellow:led2";
+ gpios = <&pioH 1 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger = "mmc0";
+ };
+
+ led@3 {
+ label = "pic32mzda_sk:green:led3";
+ gpios = <&pioH 2 GPIO_ACTIVE_HIGH>;
+ default-state = "on";
+ };
+ };
+
+ keys0 {
+ compatible = "gpio-keys-polled";
+ pinctrl-0 = <&user_buttons_s0>;
+ pinctrl-names = "default";
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+ poll-interval = <300>;
+
+ button@sw1 {
+ label = "ESC";
+ linux,code = <1>;
+ gpios = <&pioB 12 0>;
+ };
+
+ button@sw2 {
+ label = "Home";
+ linux,code = <102>;
+ gpios = <&pioB 13 0>;
+ };
+
+ button@sw3 {
+ label = "Menu";
+ linux,code = <139>;
+ gpios = <&pioB 14 0>;
+ };
+ };
+};
+
+&usart2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_uart2>;
+ status = "okay";
+};
+
+&usart4 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_uart4>;
+ status = "okay";
+};
+
+&sdhci {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_sdhc1>;
+ status = "okay";
+};
+
+&pic32_pinctrl {
+
+ sdhc1 {
+ pinctrl_sdhc1: sdhc1_pins0 {
+ /* SDCLK */
+ pic32,single-pins = <PORT_A 6 PIC32_PIN_CONF_DG>,
+ <PORT_D 4 PIC32_PIN_CONF_DG>, /* SDCMD */
+ <PORT_G 13 PIC32_PIN_CONF_DG>, /* SDDATA0 */
+ <PORT_G 12 PIC32_PIN_CONF_DG>, /* SDDATA1 */
+ <PORT_G 14 PIC32_PIN_CONF_DG>, /* SDDATA2 */
+ <PORT_A 7 PIC32_PIN_CONF_DG>, /* SDDATA3 */
+ <PORT_A 0 PIC32_PIN_CONF_DG>; /* SDCD */
+ };
+ };
+
+ leds {
+
+ user_leds_s0: user_leds_s0 {
+ pic32,single-pins = <PORT_H 0 PIC32_PIN_CONF_DG_OUT
+ PORT_H 1 PIC32_PIN_CONF_DG_OUT
+ PORT_H 2 PIC32_PIN_CONF_DG_OUT>;
+ };
+ };
+
+ buttons0 {
+ user_buttons_s0: user_buttons_s0 {
+ pic32,single-pins = <PORT_B 12 PIC32_PIN_CONF_PU_IN
+ PORT_B 13 PIC32_PIN_CONF_PU_IN
+ PORT_B 14 PIC32_PIN_CONF_PU_IN>;
+ };
+ };
+
+ uart2 {
+ pinctrl_uart2: uart2-0 {
+ pic32,pins = <PIC32_RP_OUT_RPG9 PIC32_PP_OUT_U2TX
+ PIC32_PIN_CONF_DG_OUT
+ PIC32_RP_IN_RPB0 PIC32_PP_IN_U2RX
+ PIC32_PIN_CONF_DG_IN>;
+ };
+ };
+
+ uart4 {
+ pinctrl_uart4: uart4-0 {
+ pic32,pins = <PIC32_RP_OUT_RPC3 PIC32_PP_OUT_U4TX
+ PIC32_PIN_CONF_DG_OUT
+ PIC32_RP_IN_RPE8 PIC32_PP_IN_U4RX
+ PIC32_PIN_CONF_DG_IN>;
+ };
+ };
+};
diff --git a/arch/mips/pic32/Kconfig b/arch/mips/pic32/Kconfig
index 0161f09..b1bd7ba 100644
--- a/arch/mips/pic32/Kconfig
+++ b/arch/mips/pic32/Kconfig
@@ -31,4 +31,20 @@ 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
--
1.7.9.5
--
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