From 930c54ff39fcbe988c2eecf1ae52764c780fe893 Mon Sep 17 00:00:00 2001 From: Antony Pavlov Date: Thu, 17 Mar 2016 06:34:23 +0300 Subject: [PATCH] MIPS: ath79: add initial support for Onion Omega The following features are supported: * UART; * SPI-flash; * USB host; * GPIO key and LED. Please see https://onion.io/omega for details. Signed-off-by: Antony Pavlov Cc: Gabor Juhos Cc: Alban Bedel Cc: L. D. Pinney Cc: Boken Lin Cc: Jacky Huang Cc: linux-mips@linux-mips.org Cc: devicetree@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/12884/ Signed-off-by: Ralf Baechle --- arch/mips/boot/dts/qca/Makefile | 1 + arch/mips/boot/dts/qca/ar9331_omega.dts | 78 +++++++++++++++++++++++++ 2 files changed, 79 insertions(+) create mode 100644 arch/mips/boot/dts/qca/ar9331_omega.dts diff --git a/arch/mips/boot/dts/qca/Makefile b/arch/mips/boot/dts/qca/Makefile index 245136478998..dc0b5a4071c4 100644 --- a/arch/mips/boot/dts/qca/Makefile +++ b/arch/mips/boot/dts/qca/Makefile @@ -1,6 +1,7 @@ # All DTBs dtb-$(CONFIG_ATH79) += ar9132_tl_wr1043nd_v1.dtb dtb-$(CONFIG_ATH79) += ar9331_dragino_ms14.dtb +dtb-$(CONFIG_ATH79) += ar9331_omega.dtb dtb-$(CONFIG_ATH79) += ar9331_tl_mr3020.dtb # Force kbuild to make empty built-in.o if necessary diff --git a/arch/mips/boot/dts/qca/ar9331_omega.dts b/arch/mips/boot/dts/qca/ar9331_omega.dts new file mode 100644 index 000000000000..b2be3b04479d --- /dev/null +++ b/arch/mips/boot/dts/qca/ar9331_omega.dts @@ -0,0 +1,78 @@ +/dts-v1/; + +#include +#include + +#include "ar9331.dtsi" + +/ { + model = "Onion Omega"; + compatible = "onion,omega"; + + aliases { + serial0 = &uart; + }; + + memory@0 { + device_type = "memory"; + reg = <0x0 0x4000000>; + }; + + leds { + compatible = "gpio-leds"; + + system { + label = "onion:amber:system"; + gpios = <&gpio 27 GPIO_ACTIVE_LOW>; + default-state = "off"; + }; + }; + + gpio-keys-polled { + compatible = "gpio-keys-polled"; + #address-cells = <1>; + #size-cells = <0>; + poll-interval = <100>; + + button@0 { + label = "reset"; + linux,code = ; + gpios = <&gpio 11 GPIO_ACTIVE_HIGH>; + }; + }; +}; + +&ref { + clock-frequency = <25000000>; +}; + +&uart { + status = "okay"; +}; + +&gpio { + status = "okay"; +}; + +&usb { + dr_mode = "host"; + status = "okay"; +}; + +&usb_phy { + status = "okay"; +}; + +&spi { + num-chipselects = <1>; + status = "okay"; + + /* Winbond 25Q128FVSG SPI flash */ + spiflash: w25q128@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "winbond,w25q128", "jedec,spi-nor"; + spi-max-frequency = <104000000>; + reg = <0>; + }; +}; -- 2.20.1