|  | /* | 
|  | * Copyright (c) 2019, Synopsys, Inc. All rights reserved. | 
|  | * | 
|  | * SPDX-License-Identifier: Apache-2.0 | 
|  | */ | 
|  |  | 
|  | /dts-v1/; | 
|  |  | 
|  | #include <synopsys/arc_hsdk.dtsi> | 
|  |  | 
|  | / { | 
|  |  | 
|  | aliases { | 
|  | uart-0 = &uart0; | 
|  | led0 = &led0; | 
|  | led1 = &led1; | 
|  | led2 = &led2; | 
|  | led3 = &led3; | 
|  | }; | 
|  |  | 
|  | leds { | 
|  | compatible = "gpio-leds"; | 
|  | led0: led_0 { | 
|  | gpios = <&cy8c95xx_port1 4 GPIO_ACTIVE_HIGH>; | 
|  | label = "LED 0"; | 
|  | }; | 
|  | led1: led_1 { | 
|  | gpios = <&cy8c95xx_port1 5 GPIO_ACTIVE_HIGH>; | 
|  | label = "LED 1"; | 
|  | }; | 
|  | led2: led_2 { | 
|  | gpios = <&cy8c95xx_port1 6 GPIO_ACTIVE_HIGH>; | 
|  | label = "LED 2"; | 
|  | }; | 
|  | led3: led_3 { | 
|  | gpios = <&cy8c95xx_port1 7 GPIO_ACTIVE_HIGH>; | 
|  | label = "LED 3"; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | chosen { | 
|  | zephyr,sram = &ddr0; | 
|  | zephyr,console = &uart0; | 
|  | zephyr,shell-uart = &uart0; | 
|  | }; | 
|  |  | 
|  | arduino_header: connector { | 
|  | compatible = "arduino-header-r3"; | 
|  | #gpio-cells = <2>; | 
|  | gpio-map-mask = <0xffffffff 0xffffffc0>; | 
|  | gpio-map-pass-thru = <0 0x3f>; | 
|  | gpio-map = <0 0 &cy8c95xx_port0 2 0>,	/* A0 */ | 
|  | <1 0 &cy8c95xx_port0 3 0>,	/* A1 */ | 
|  | <2 0 &cy8c95xx_port0 4 0>,	/* A2 */ | 
|  | <3 0 &cy8c95xx_port0 5 0>,	/* A3 */ | 
|  | <4 0 &gpio0 18 0>,	/* A4 */ | 
|  | <5 0 &gpio0 19 0>,	/* A5 */ | 
|  | <6 0 &gpio0 23 0>,	/* D0 */ | 
|  | <7 0 &gpio0 22 0>,	/* D1 */ | 
|  | <8 0 &gpio0 16 0>,	/* D2 */ | 
|  | <9 0 &gpio0 17 0>,	/* D3 */ | 
|  | <10 0 &gpio0 11 0>,	/* D4 */ | 
|  | <11 0 &gpio0 9 0>,	/* D5 */ | 
|  | <12 0 &gpio0 21 0>,	/* D6 */ | 
|  | <13 0 &gpio0 20 0>,	/* D7 */ | 
|  | <14 0 &gpio0 10 0>,	/* D8 */ | 
|  | <15 0 &gpio0 8 0>,	/* D9 */ | 
|  | <16 0 &gpio0 12 0>,	/* D10 */ | 
|  | <17 0 &gpio0 13 0>,	/* D11 */ | 
|  | <18 0 &gpio0 14 0>,	/* D12 */ | 
|  | <19 0 &gpio0 15 0>,	/* D13 */ | 
|  | <20 0 &gpio0 18 0>,	/* D14 */ | 
|  | <21 0 &gpio0 19 0>;	/* D15 */ | 
|  | }; | 
|  | }; | 
|  |  | 
|  | arduino_spi: &spi2 {}; | 
|  |  | 
|  | &uart0 { | 
|  | status = "okay"; | 
|  | current-speed = <115200>; | 
|  | }; | 
|  |  | 
|  | &gpio0 { | 
|  | status = "okay"; | 
|  | interrupts = <56 1>; | 
|  | }; | 
|  |  | 
|  | &creg_gpio { | 
|  | status = "okay"; | 
|  | }; | 
|  |  | 
|  | &spi0 { | 
|  | status = "okay"; | 
|  | clock-frequency = <33333333>; | 
|  | cs-gpios = <&creg_gpio 0 GPIO_ACTIVE_HIGH>, | 
|  | <&creg_gpio 1 GPIO_ACTIVE_HIGH>, | 
|  | <&creg_gpio 2 GPIO_ACTIVE_HIGH>, | 
|  | <&creg_gpio 3 GPIO_ACTIVE_HIGH>; | 
|  | }; | 
|  |  | 
|  | &spi1 { | 
|  | status = "okay"; | 
|  | clock-frequency = <33333333>; | 
|  | cs-gpios = <&creg_gpio 4 GPIO_ACTIVE_HIGH>, | 
|  | <&creg_gpio 5 GPIO_ACTIVE_HIGH>, | 
|  | <&creg_gpio 6 GPIO_ACTIVE_HIGH>; | 
|  | }; | 
|  |  | 
|  | &spi2 { | 
|  | status = "okay"; | 
|  | clock-frequency = <33333333>; | 
|  | cs-gpios = <&creg_gpio 8 GPIO_ACTIVE_HIGH>, | 
|  | <&creg_gpio 9 GPIO_ACTIVE_HIGH>, | 
|  | <&creg_gpio 10 GPIO_ACTIVE_HIGH>; | 
|  | }; | 
|  |  | 
|  | &i2c0 { | 
|  | status = "okay"; | 
|  | clock-frequency = <I2C_BITRATE_STANDARD>; | 
|  |  | 
|  | cy8c95xx: cy8c95xx@20 { | 
|  | compatible = "cypress,cy8c95xx-gpio"; | 
|  | reg = <0x20>; | 
|  | ranges; | 
|  | #address-cells = <1>; | 
|  | #size-cells = <0>; | 
|  |  | 
|  | cy8c95xx_port0: cy8c95xx_port@0 { | 
|  | compatible = "cypress,cy8c95xx-gpio-port"; | 
|  | reg = <0x00>; | 
|  | gpio-controller; | 
|  | #gpio-cells = <2>; | 
|  | ngpios = <8>; | 
|  | status = "okay"; | 
|  | }; | 
|  |  | 
|  | cy8c95xx_port1: cy8c95xx_port@1 { | 
|  | compatible = "cypress,cy8c95xx-gpio-port"; | 
|  | reg = <0x01>; | 
|  | gpio-controller; | 
|  | #gpio-cells = <2>; | 
|  | ngpios = <8>; | 
|  | status = "okay"; | 
|  | }; | 
|  | }; | 
|  | }; |