diff options
author | Joshua Henderson <joshua.henderson@microchip.com> | 2016-01-13 18:15:46 -0700 |
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committer | Ralf Baechle <ralf@linux-mips.org> | 2016-01-24 02:54:00 +0100 |
commit | 842b6b16f5178c66da0959a935dafa80a979b745 (patch) | |
tree | 2a78f7d686b97d4080f064bb969f529124e7d2a0 /arch/mips/boot/dts/pic32/pic32mzda_sk.dts | |
parent | 2572f00db8a68bb46001678c1c98ad8b70e04b31 (diff) | |
download | linux-842b6b16f5178c66da0959a935dafa80a979b745.tar.bz2 |
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 <joshua.henderson@microchip.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: Andrew Bresticker <abrestic@chromium.org>
Cc: Paul Burton <paul.burton@imgtec.com>
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 <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/boot/dts/pic32/pic32mzda_sk.dts')
-rw-r--r-- | arch/mips/boot/dts/pic32/pic32mzda_sk.dts | 151 |
1 files changed, 151 insertions, 0 deletions
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 <dt-bindings/gpio/gpio.h> +#include <dt-bindings/interrupt-controller/irq.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=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; + }; + }; +}; |